personality test \n face-up/face-down prediction of number of cards, weird, cato related, personality type presentation \n bob hummer \n personality test \n bob hummer \n personality quest \n lorenz schär \n strike out \n steve beam \n personalized personality test \n steve beam \n the randomized lie detector \n steve beam
1945
3 pets Bob Hummer
Personality Test
face-up/face-down prediction of number of cards, weird, CATO related, personality type presentation
hummer's 18 card mystery \n spectator takes eighteen cards and turns over the top two cards and cuts the pile, that step is repeated as often as he likes, then the performer takes the cards behind his back and divines the amount of reversed cards, see collected secrets for links to variations \n bob hummer \n hummer's 18 card mystery \n bob hummer
1946
face up face down mysteries Bob Hummer
Hummer's 18 Card Mystery
spectator takes eighteen cards and turns over the top two cards and cuts the pile, that step is repeated as often as he likes, then the performer takes the cards behind his back and divines the amount of reversed cards, see Collected Secrets for links to variations
hummer's swindle \n spectator takes sixteen cards and turns over the top two cards and cuts the pile behind his back, that step is repeated as often as he likes, then the performer takes the cards behind his back and without looking reverses all cards back in order \n bob hummer \n hummer's swindle \n bob hummer
1946
face up face down mysteries Bob Hummer
Hummer's Swindle
spectator takes sixteen cards and turns over the top two cards and cuts the pile behind his back, that step is repeated as often as he likes, then the performer takes the cards behind his back and without looking reverses all cards back in order
the lonely card \n cato routine, cards turned face up, performer takes packet behind back and reverses all cards except selection \n bob hummer \n the lonely card \n bob hummer \n return of the lonely card \n peter duffie \n robin robertson
1946
face up face down mysteries Bob Hummer
The Lonely Card
CATO routine, cards turned face up, performer takes packet behind back and reverses all cards except selection
the little moonies \n cato routine, cards with moon faces printed on them, one way they are smiling held the other way the are sad, spectator marks two cards on the pack and cuts them in the deck, performer takes cards behind back, all moons are in smiling orientation except marked two \n bob hummer \n the little moonies \n bob hummer \n the little moonies \n bob hummer
1946
face up face down mysteries Bob Hummer
The Little Moonies
CATO routine, cards with moon faces printed on them, one way they are smiling held the other way the are sad, spectator marks two cards on the pack and cuts them in the deck, performer takes cards behind back, all moons are in smiling orientation except marked two
color scheme \n no. 47, cards mixed face up/down, spectator separates face up/down, as well as red/black \n oscar weigle \n color scheme \n oscar weigle \n still scheming \n peter duffie
1950
scarne on card tricks Oscar Weigle
Color Scheme
No. 47, Cards mixed face up/down, spectator separates face up/down, as well as red/black
hummer's reversal mystery \n cato trick, magician can name correctly number of face up cards after cut and turn over procedure. oscar weigle variation: colors are also separated \n bob hummer \n oscar weigle \n the little moonies \n bob hummer \n stitches in time \n stephen tucker
1956
mathematics, magic and mystery Bob Hummer, Oscar Weigle
Hummer's Reversal Mystery
CATO trick, magician can name correctly number of face up cards after cut and turn over procedure. Oscar Weigle variation: colors are also separated
the little moonies \n cato trick, uses cards with drawing of either smiling/frowning face. two cards are marked on the back and after mixing, shown to be the only ones frowning while other cards are smiling \n bob hummer \n the little moonies \n bob hummer \n hummer's reversal mystery \n bob hummer \n oscar weigle
1956
mathematics, magic and mystery Bob Hummer
The Little Moonies
CATO trick, uses cards with drawing of either smiling/frowning face. Two cards are marked on the back and after mixing, shown to be the only ones frowning while other cards are smiling
hummer addition \n spectator reverses some cards, below table magician reverses more so named total is achieved, as kicker all are one color \n harry lorayne \n face up prediction \n bob hummer
1965
my favorite card tricks Harry Lorayne
Hummer Addition
spectator reverses some cards, below table magician reverses more so named total is achieved, as kicker all are one color
all but one \n cato red black separation routine, p. 241 for further reference \n robert page \n p. 240 for variation by walter setty \n the lonely card \n bob hummer
1968
the pallbearers review vol. 1-4 Robert Page
All But One
CATO red black separation routine, p. 241 for further reference
paradox papers \n paper with numbers in a 4x4 grid is folded into small square, edges cut off, then all even numbers are one way and the odds another, application with cards, steve shimm suggestion, tapestry handling, see also p. 521 for gene nielson handling, h. e. dudeney \n martin gardner \n henry dudeny puzzle from "modern puzzles" (1926) \n news test \n edmund rowland \n paradox papers \n martin gardner \n wraparound \n karl fulves \n foldover notes \n karl fulves \n paper folding note \n karl fulves \n paradox redux \n philip t. goldstein \n folding numbers \n jack avis \n the core \n pit hartling \n disparity \n ramón riobóo
1971
the pallbearers review vol. 5-8 Martin Gardner
Paradox Papers
paper with numbers in a 4x4 grid is folded into small square, edges cut off, then all even numbers are one way and the odds another, application with cards, Steve Shimm suggestion, tapestry handling, see also p. 521 for Gene Nielson handling, H. E. Dudeney
hummer - 4 \n four cards mixed face up face down by spectator, values of face up cards predicted, cato \n charles hudson \n number hummer \n robert e. neale
1972
epilogue Charles Hudson
Hummer - 4
four cards mixed face up face down by spectator, values of face up cards predicted, CATO
number hummer \n four cards mixed face up face down by spectator, values of face up cards divined or predicted \n robert e. neale \n "baby hummer" (charles hudson, linking ring) \n hummer - 4 \n charles hudson \n toddler \n philip t. goldstein \n robert e. neale
1973
the pallbearers review vol. 5-8 Robert E. Neale
Number Hummer
four cards mixed face up face down by spectator, values of face up cards divined or predicted
color scheme \n with face-up/face-down mix of twenty cards behind spectator's back \n oscar weigle \n color scheme \n oscar weigle \n addenda \n karl fulves \n further ideas \n martin gardner \n clayton rawson \n this is it \n bob hummer
1974
the pallbearers review vol. 9-10 Oscar Weigle
Color Scheme
with face-up/face-down mix of twenty cards behind spectator's back
further ideas \n \n martin gardner \n clayton rawson \n color scheme \n oscar weigle
1974
the pallbearers review vol. 9-10 Martin Gardner, Clayton Rawson
type casting \n face-up/face-down prediction of number of cards, weird, cato related \n karl fulves \n 5-4 \n karl fulves \n personality test \n bob hummer
1979
four color problems Karl Fulves
Type Casting
face-up/face-down prediction of number of cards, weird, CATO related
symbolike \n two sets of esp cards are placed face-up and face down into a pile and are further mixed, when divided into two piles both have same amount of face up cards, when assembled again five esp cards are face-up and five face-down \n howard a. adams
1979
oicufesp Howard A. Adams
Symbolike
two sets of ESP cards are placed face-up and face down into a pile and are further mixed, when divided into two piles both have same amount of face up cards, when assembled again five ESP cards are face-up and five face-down
1979
OICUFESP
(Issue 2 - ten MORE brand new esp card miracles)
lone impromptu \n cards mixed face-up and face-down, performer rightens them behind back except for selection \n karl fulves \n the lonely card \n bob hummer
1980
color quik Karl Fulves
Lone Impromptu
cards mixed face-up and face-down, performer rightens them behind back except for selection
hummer's 18 card mystery \n spectator takes eighteen cards and turns over the top two cards and cuts the pile, that step is repeated as often as he likes, then the performer takes the cards behind his back and divines the amount of reversed cards \n bob hummer \n hummer's 18 card mystery \n bob hummer \n still scheming \n peter duffie \n informant \n karl fulves \n 37 threes \n karl fulves \n the rule for red \n karl fulves
1980
bob hummer's collected secrets Bob Hummer
Hummer's 18 Card Mystery
spectator takes eighteen cards and turns over the top two cards and cuts the pile, that step is repeated as often as he likes, then the performer takes the cards behind his back and divines the amount of reversed cards
hummer's swindle \n spectator takes sixteen cards and turns over the top two cards and cuts the pile behind his back, that step is repeated as often as he likes, then the performer takes the cards behind his back and without looking reverses all cards back in order \n bob hummer \n hummer's swindle \n bob hummer
1980
bob hummer's collected secrets Bob Hummer
Hummer's Swindle
spectator takes sixteen cards and turns over the top two cards and cuts the pile behind his back, that step is repeated as often as he likes, then the performer takes the cards behind his back and without looking reverses all cards back in order
the lonely card \n cato routine, cards turned face up, performer takes packet behind back and reverses all cards except selection \n bob hummer \n the lonely card \n bob hummer \n all but one \n robert page \n lone impromptu \n karl fulves
1980
bob hummer's collected secrets Bob Hummer
The Lonely Card
CATO routine, cards turned face up, performer takes packet behind back and reverses all cards except selection
the little moonies \n cato routine, cards with moon faces printed on them, one way they are smiling held the other way the are sad, spectator marks two cards on the pack and cuts them in the deck, performer takes cards behind back, all moons are in smiling orientation except marked two \n bob hummer \n the little moonies \n bob hummer
1980
bob hummer's collected secrets Bob Hummer
The Little Moonies
CATO routine, cards with moon faces printed on them, one way they are smiling held the other way the are sad, spectator marks two cards on the pack and cuts them in the deck, performer takes cards behind back, all moons are in smiling orientation except marked two
personality test \n face-up/face-down prediction of number of cards, weird, cato related, personality type presentation \n bob hummer \n personality test \n bob hummer \n type casting \n karl fulves \n triple humdinger \n peter duffie
1980
bob hummer's collected secrets Bob Hummer
Personality Test
face-up/face-down prediction of number of cards, weird, CATO related, personality type presentation
sum hummer \n ace to ten packet, mixed face up and down by spectator, number of reversed cards and their total predicted, cato principle \n charles hudson \n a couple of pages \n harry lorayne \n sum hummer explored \n richard vollmer
1982
best of friends Charles Hudson
Sum Hummer
Ace to Ten packet, mixed face up and down by spectator, number of reversed cards and their total predicted, CATO principle
the royal computer \n kings and queens are given to spectator for cato procedure, two card turned over, two previous selections \n charles hudson \n spur of the moment \n harry lorayne
1982
best of friends Charles Hudson
The Royal Computer
Kings and Queens are given to spectator for CATO procedure, two card turned over, two previous selections
the dating game \n no. 3, spectator turns cards over, at the end only a king-queen pair is face-up \n karl fulves \n odd color out \n karl fulves
1984
more self-working card tricks Karl Fulves
The Dating Game
No. 3, spectator turns cards over, at the end only a King-Queen pair is face-up
odd color out \n no. 19, cards shuffled face-up/face-down via cato by spectator, two selections made, performer handles cards and all face-up cards are red with a black selection and vice versa \n karl fulves \n the dating game \n karl fulves
1984
more self-working card tricks Karl Fulves
Odd Color Out
No. 19, cards shuffled face-up/face-down via CATO by spectator, two selections made, performer handles cards and all face-up cards are red with a black selection and vice versa
clubbed \n in one half selection turns over, in other half all cards from the same suit are found reversed \n aldo colombini
1985
the trapdoor — volume one Aldo Colombini
Clubbed
in one half selection turns over, in other half all cards from the same suit are found reversed
paradox papers \n no. 9, paper with numbers in a 4x4 grid is folded into small square, edges cut off, then all even numbers are one way and the odds another, application with card values on paper or card layout (chosen card turned over is only odd-colored at the end) \n martin gardner \n paradox papers \n martin gardner
1985
self-working paper magic Martin Gardner
Paradox Papers
No. 9, paper with numbers in a 4x4 grid is folded into small square, edges cut off, then all even numbers are one way and the odds another, application with card values on paper or card layout (chosen card turned over is only odd-colored at the end)
toddler \n packet mixed face-up/face-down, values added up is force number \n philip t. goldstein \n robert e. neale \n "baby hummer" (charles hudson, linking ring) \n number hummer \n robert e. neale
1989
fifth Philip T. Goldstein, Robert E. Neale
Toddler
packet mixed face-up/face-down, values added up is force number
parity prophet \n cards dealt in pairs, one turned over, again dealt in pairs, cards on both side of reversed card are mates or predicted, gemini twins relation \n karl fulves
1993
rigmarole Karl Fulves
Parity Prophet
cards dealt in pairs, one turned over, again dealt in pairs, cards on both side of reversed card are mates or predicted, Gemini Twins relation
principles and deceptions \n "an easy trip through the arithmetical principles of card magic - part 4"
- two unique principles of bob hummer
- principle one
- principle two (cato) \n peter duffie
1993
profile Peter Duffie
Principles and Deceptions
"An Easy Trip Through The Arithmetical Principles Of Card Magic - Part 4"
beyond hummer \n four cards, selection is only one reversed after some procedure \n persi diaconis \n beyond hummer \n persi diaconis
1993
card file Persi Diaconis
Beyond Hummer
four cards, selection is only one reversed after some procedure
day one \n date chosen by choosing some face-up and face-down cards from grid layout, looked up in diary, card noted there predicted, tapestry \n karl fulves \n three card tricks \n mel bennett
1994
crooked tales Karl Fulves
Day One
date chosen by choosing some face-up and face-down cards from grid layout, looked up in diary, card noted there predicted, tapestry
moves and removes \n marker moved on 3x3 layout, final card predicted, with 4x4 "sixteen card version" on p. 30 \n simon aronson \n martin gardner presents (1993), p. 149
1995
simply simon Simon Aronson
Moves and Removes
marker moved on 3x3 layout, final card predicted, with 4x4 "Sixteen Card Version" on p. 30
still scheming \n play it straight triumph type of effect with cato procedure, use half a deck \n peter duffie \n color scheme \n oscar weigle \n hummer's 18 card mystery \n bob hummer
1997
effortless card magic Peter Duffie
Still Scheming
Play it Straight Triumph type of effect with CATO procedure, use half a deck
paradox redux \n "dot com - tricks and stunts with numbers"
tapestry parity principle, credit information, 4x4 number matrix, 19 or 61 \n philip t. goldstein \n paradox papers \n martin gardner
1998
the fine print Philip T. Goldstein
Paradox Redux
"Dot Com - Tricks and stunts with numbers"
tapestry parity principle, credit information, 4x4 number matrix, 19 or 61
cut-rate hummer \n "dot com - tricks and stunts with numbers"
twenty cards spread, about five are reversed, spectator remembers one and turns it over, something done behind back by performer, selection located and other reversed cards are now aces \n karl fulves \n hofzinser + math \n karl fulves
1998
the fine print Karl Fulves
Cut-Rate Hummer
"Dot Com - Tricks and stunts with numbers"
twenty cards spread, about five are reversed, spectator remembers one and turns it over, something done behind back by performer, selection located and other reversed cards are now Aces
intuitive \n cards with colored spots and numbers, some selected, a prediction is matched \n peter duffie \n triple humdinger \n peter duffie
1998
five times five — scotland Peter Duffie
Intuitive
cards with colored spots and numbers, some selected, a prediction is matched
letter perfect \n spectator mixes stack of alphabet cards face up/down, the face down cards spell his/her name \n david regal
1999
close-up & personal David Regal
Letter Perfect
Spectator mixes stack of alphabet cards face up/down, the face down cards spell his/her name
37 threes \n "dot com - tricks and stunts with numbers"
small packet, spectator cuts and turns over pairs, then two red threes are only reversed cards, comedy prediction is shown to fit \n karl fulves \n hummer's 18 card mystery \n bob hummer \n informant \n karl fulves
1999
the fine print Karl Fulves
37 Threes
"Dot Com - Tricks and stunts with numbers"
small packet, spectator cuts and turns over pairs, then two red Threes are only reversed cards, comedy prediction is shown to fit
basic hummer \n baby hummer, four cards flipped face up and down, end with selection being the only one reversed. \n unknown \n basic hummer \n unknown \n baby hummer \n charles hudson
1999
cunning card miracles
Unknown
Basic Hummer
Baby Hummer, four cards flipped face up and down, end with selection being the only one reversed.
hummer - odd back \n basic hummer, but selected card is reversed and also odd-backed \n tom craven \n hummer - odd back \n tom craven
1999
cunning card miracles Tom Craven
Hummer - Odd Back
Basic Hummer, but selected card is reversed and also odd-backed
hofzinser + math \n aces shuffled reversed into packet, another card chosen, face-up/face-down mix, all cards right except a chosen ace but selection instead \n karl fulves \n "automatic ace triumph" (kuniyasu fujiwara, genii, may 2000) \n cut-rate hummer \n karl fulves \n surprise ace triumph \n reinhard müller
2000
latter day secrets Karl Fulves
Hofzinser + Math
Aces shuffled reversed into packet, another card chosen, face-up/face-down mix, all cards right except a chosen Ace but selection instead
symmetry \n comment on the fujiwara effect, two card location \n karl fulves \n "automatic ace triumph" (kuniyasu fujiwara, genii, may 2000)
2000
latter day secrets Karl Fulves
Symmetry
comment on the Fujiwara effect, two card location
Inspired by
"Automatic Ace Triumph" (Kuniyasu Fujiwara, Genii, May 2000)
hummer clean-up \n four cards, selection is only one reversed after some procedure \n tom craven \n "baby hummer" (charles hudson, linking ring) \n hummer clean-up \n tom craven
2000
card file two Tom Craven
Hummer Clean-Up
four cards, selection is only one reversed after some procedure
hummer - odd back \n selection also has odd back \n tom craven \n "baby hummer" (charles hudson, linking ring) \n hummer - odd back \n tom craven
2000
card file two Tom Craven
tomorrow's card \n no. 47, eight cards shuffled face-up/face-down, number of reversed cards and their identity predicted \n karl fulves \n "baby hummer" (charles hudson, linking ring)
2001
new self-working card tricks Karl Fulves
Tomorrow's Card
No. 47, eight cards shuffled face-up/face-down, number of reversed cards and their identity predicted
psychic map \n no. 69, fifteen cards in matrix layout on table, some are turned over, covered with newspaper, performer reaches underneath and adjusts, when newspaper is removed all face-up cards are red and vice versa \n karl fulves \n bob hummer
2001
new self-working card tricks Karl Fulves, Bob Hummer
Psychic Map
No. 69, fifteen cards in matrix layout on table, some are turned over, covered with newspaper, performer reaches underneath and adjusts, when newspaper is removed all face-up cards are red and vice versa
darn! i couldn't... \n four tens on table, three cards on each, cato ("leave or reverse"), aces are only cards reversed cards in the end \n harry lorayne \n "automatic ace triumph" (kuniyasu fujiwara, genii, may 2000) \n incredible flush control \n harry lorayne
2001
personal collection Harry Lorayne
Darn! I Couldn't...
four Tens on table, three cards on each, CATO ("leave or reverse"), Aces are only cards reversed cards in the end
Related to
"Automatic Ace Triumph" (Kuniyasu Fujiwara, Genii, May 2000)
a couple of pages \n sixteen cards mixed face up and down by spectator, number of reversed cards and their total predicted \n harry lorayne \n sum hummer \n charles hudson
2001
personal collection Harry Lorayne
A Couple of Pages
sixteen cards mixed face up and down by spectator, number of reversed cards and their total predicted
symbiotic \n sixteen cards shuffled face-up/face-down, aces are only cards reversed at the end, faro \n harry lorayne
2001
personal collection Harry Lorayne
Symbiotic
sixteen cards shuffled face-up/face-down, Aces are only cards reversed at the end, faro
spur of the moment \n two selections are only reversed cards in packet after cato procedure \n harry lorayne \n the royal computer \n charles hudson
2001
personal collection Harry Lorayne
Spur of the Moment
two selections are only reversed cards in packet after CATO procedure
another moment \n cato procedure with twelve-card packet, reversed cards at end are known, or total predicted, or... \n harry lorayne
2001
personal collection Harry Lorayne
Another Moment
CATO procedure with twelve-card packet, reversed cards at end are known, or total predicted, or...
triple humdinger \n face-up/face-down prediction of number of cards in packet, three predictions \n peter duffie \n personality test \n bob hummer \n intuitive \n peter duffie \n strike out \n steve beam
2001
cards by all means Peter Duffie
Triple Humdinger
face-up/face-down prediction of number of cards in packet, three predictions
automatic poker \n ten cards are "mixed" by spectator, then red-black separated or poker deal, pseudo-cato \n jim steinmeyer \n chapter 11 - pseudo-cato \n peter duffie \n robin robertson \n deal three \n jim steinmeyer
2002
impuzzibilities Jim Steinmeyer
Automatic Poker
ten cards are "mixed" by spectator, then red-black separated or poker deal, Pseudo-CATO
the rule for red \n different handling than cato, switching two cards \n karl fulves \n hummer's 18 card mystery \n bob hummer
2002
latter day secrets Karl Fulves
hummer principle (cato) \n explanation and credit information \n peter duffie \n robin robertson
2003
card conspiracy — vol. 1 Peter Duffie, Robin Robertson
thought process \n selection ends up reversed in packet \n peter duffie \n robin robertson \n cato by numbers \n roy walton
2003
card conspiracy — vol. 1 Peter Duffie, Robin Robertson
cato by numbers \n simplified \n roy walton \n thought process \n peter duffie \n robin robertson \n cato gets married \n peter duffie \n robin robertson
2003
card conspiracy — vol. 1 Roy Walton
cato gets married \n kings and queens, in the end a matching pair ends up reversed \n peter duffie \n robin robertson \n cato by numbers \n roy walton \n cato gets married - again \n peter duffie \n robin robertson
2003
card conspiracy — vol. 1 Peter Duffie, Robin Robertson
CATO Gets Married
Kings and Queens, in the end a matching pair ends up reversed
cato gets married - again \n \n peter duffie \n robin robertson \n cato gets married \n peter duffie \n robin robertson
2003
card conspiracy — vol. 1 Peter Duffie, Robin Robertson
hummer plays poker \n packet mixed via cato, royal flush shows up at the end \n peter duffie \n robin robertson \n remote control poker \n peter duffie \n robin robertson \n two for the road \n peter duffie \n robin robertson
2003
card conspiracy — vol. 1 Peter Duffie, Robin Robertson
Hummer Plays Poker
packet mixed via CATO, Royal Flush shows up at the end
remote control poker \n royal flush shows up at the end \n peter duffie \n robin robertson \n hummer plays poker \n peter duffie \n robin robertson \n two for the road \n peter duffie \n robin robertson
2003
card conspiracy — vol. 1 Peter Duffie, Robin Robertson
degrees of freedom \n cato, koenig's tapestry, combo to produce royal flush \n john bannon \n folded discovery \n david solomon
2004
dear mr. fantasy John Bannon
Degrees Of Freedom
CATO, Koenig's Tapestry, combo to produce royal flush
perfect strangers \n cato, koenig's tapestry, prediction combo with rainbow packet \n john bannon \n imperfect strangers \n robin robertson \n strange but perfect \n jerry k. hartman
2004
dear mr. fantasy John Bannon
Perfect Strangers
CATO, Koenig's Tapestry, prediction combo with rainbow packet
postcards prediction \n cato, koenig's tapestry, prediction combo with postcards instead of playing cards \n william goodwin
2004
dear mr. fantasy William Goodwin
Postcards Prediction
CATO, Koenig's Tapestry, prediction combo with postcards instead of playing cards
the works \n explanation of cato principle and the koenig's tapestry fold (dudeney folding)
- first principles
- isolating target cards
- rlues of engagement
- the folding phase \n john bannon \n disparity \n ramón riobóo
2004
dear mr. fantasy John Bannon
The Works
explanation of CATO principle and the Koenig's Tapestry fold (Dudeney Folding)
chapter 11 - pseudo-cato \n intro, cato with turning three instead of two cards over, "cato preserves the face-up/face-down orientation while mixingthe positions. in contrast, pseudo-cato preserves the relative odd/even alternating positions while mixing their face-up/face-down orientation." \n peter duffie \n robin robertson \n automatic poker \n jim steinmeyer
2004
diamonds from coal Peter Duffie, Robin Robertson
Chapter 11 - Pseudo-CATO
intro, CATO with turning three instead of two cards over, "CATO preserves the face-up/face-down orientation while mixingthe positions. In contrast, Pseudo-CATO preserves the relative odd/even alternating positions while mixing their face-up/face-down orientation."
guessing colors \n selection ends up in odd-colored pile, pseudo-cato \n peter duffie \n robin robertson
2004
diamonds from coal Peter Duffie, Robin Robertson
Guessing Colors
selection ends up in odd-colored pile, pseudo-CATO
moving colors \n packet, two selections (one red, one black) end up in odd-colored pile, pseudo-cato \n peter duffie \n robin robertson
2004
diamonds from coal Peter Duffie, Robin Robertson
Moving Colors
packet, two selections (one red, one black) end up in odd-colored pile, pseudo-CATO
uncertain separation \n after some mixing the cards are eventually sorted either red/black or picture/spots, pseudo-cato \n peter duffie \n robin robertson \n indeterminate conclusion \n peter duffie \n robin robertson
2004
diamonds from coal Peter Duffie, Robin Robertson
Uncertain Separation
after some mixing the cards are eventually sorted either red/black or picture/spots, pseudo-CATO
indeterminate conclusion \n same with two selections ending up in opposite group, pseudo-cato \n peter duffie \n robin robertson \n uncertain separation \n peter duffie \n robin robertson
2004
diamonds from coal Peter Duffie, Robin Robertson
Indeterminate Conclusion
same with two selections ending up in opposite group, pseudo-CATO
tapgac \n "turn any pairs, gather and cut", alternative way of doing hummer's cato
- the tapgac fix
- end notes \n peter duffie \n robin robertson
2004
diamonds from coal Peter Duffie, Robin Robertson
TAPGAC
"Turn any Pairs, Gather and Cut", alternative way of doing Hummer's CATO
chao theory \n red-black separation with letter cards, using tapgac \n peter duffie \n robin robertson
2004
diamonds from coal Peter Duffie, Robin Robertson
Chao Theory
red-black separation with letter cards, using TAPGAC
the royal clans \n red-black separation with procedure and picture cards, using tapgac \n peter duffie \n robin robertson
2004
diamonds from coal Peter Duffie, Robin Robertson
The Royal Clans
red-black separation with procedure and picture cards, using TAPGAC
return of the lonely card \n all reversed except selection after mixing process, using tapgac \n peter duffie \n robin robertson \n the lonely card \n bob hummer
2004
diamonds from coal Peter Duffie, Robin Robertson
Return of the Lonely Card
all reversed except selection after mixing process, using TAPGAC
princes and peasants \n red-black separation with procedure, using tapgac \n peter duffie \n robin robertson
2004
diamonds from coal Peter Duffie, Robin Robertson
deduction production \n selection and rest of four-of-a-kind eventually found, using tapgac \n peter duffie \n robin robertson
2004
diamonds from coal Peter Duffie, Robin Robertson
Deduction Production
selection and rest of four-of-a-kind eventually found, using TAPGAC
two for the road \n after packet mixing process only five cards are face-up - a previously selected poker hand, then fulves's riffle shuffle control after which position of first selection is announced, second stabbed to
- phase i: tapgac poker
- phase ii: riffle shuffle bored \n peter duffie \n robin robertson \n "automatic ace triumph" (kunyasu fujiwara, genii, may 2000) \n hummer plays poker \n peter duffie \n robin robertson \n remote control poker \n peter duffie \n robin robertson
2004
diamonds from coal Peter Duffie, Robin Robertson
Two for the Road
after packet mixing process only five cards are face-up - a previously selected poker hand, then Fulves's Riffle Shuffle Control after which position of first selection is announced, second stabbed to
Phase I: TAPGAC Poker
Phase II: Riffle Shuffle Bored
Inspired by
"Automatic Ace Triumph" (Kunyasu Fujiwara, Genii, May 2000)
raising baby hummer \n selection is reversed, variation with odd-colored back
- off-color baby hummer \n tom craven \n charles hudson's "baby hummer" in "the linking ring" december, 1967.
2006
semi-automatic card tricks — volume 6 Tom Craven
Raising Baby Hummer
selection is reversed, variation with odd-colored back
Off-Color Baby Hummer
Inspired by
Charles Hudson's "Baby Hummer" in "The Linking Ring" December, 1967.
sum hummer explored \n packet mixed face up and down by spectator, number of reversed cards and their total predicted, cato principle \n richard vollmer \n sum hummer \n charles hudson \n sum hummer explored \n harry lorayne \n richard vollmer
2007
best of friends — volume iii Richard Vollmer
Sum Hummer Explored
packet mixed face up and down by spectator, number of reversed cards and their total predicted, CATO principle
outdoing "hummer outdone" \n twenty cards shuffled face-up/face-down with cato under table by spectator, one remembered, performer rights all except selection under the table, ten double facers \n david solomon
2007
the wisdom of solomon David Solomon
Outdoing "Hummer Outdone"
twenty cards shuffled face-up/face-down with CATO under table by spectator, one remembered, performer rights all except selection under the table, ten double facers
mathematics in the air \n chapter intro that describes the cato principle and the mathematics behind it, along with tricks \n persi diaconis \n ron graham \n baby hummer \n charles hudson \n hummer's ten card mystery \n bob hummer
2012
magical mathematics Persi Diaconis, Ron Graham
Mathematics in the Air
Chapter intro that describes the CATO Principle and the mathematics behind it, along with tricks
baby hummer \n used to demonstrate the cato principle, uses four cards \n charles hudson \n basic hummer \n unknown \n mathematics in the air \n persi diaconis \n ron graham \n baby boom \n reinhard müller
2012
magical mathematics Charles Hudson
Baby Hummer
Used to demonstrate the CATO principle, uses four cards
hummer's ten card mystery \n original use of the cato principle, based on the 18 card mystery in the original manuscript, magician can name how many face up cards there are after mixing it up \n bob hummer \n "18 card mystery" (bob hummer, face-up / face-down mysteries, 1942) \n mathematics in the air \n persi diaconis \n ron graham
2012
magical mathematics Bob Hummer
Hummer's Ten Card Mystery
Original use of the CATO Principle, based on the 18 Card Mystery in the original manuscript, magician can name how many face up cards there are after mixing it up
royal hummer \n cards are mixed face up and face down haphazardly, later all cards are face down except a royal flush \n steve freeman \n back to magic \n persi diaconis \n ron graham
2012
magical mathematics Steve Freeman
Royal Hummer
Cards are mixed face up and face down haphazardly, later all cards are face down except a royal flush
back to magic \n end of chapter, describes steve's own variation on steve freeman's handling of royal hummer \n persi diaconis \n ron graham \n royal hummer \n steve freeman
2012
magical mathematics Persi Diaconis, Ron Graham
Back to Magic
End of chapter, describes Steve's own variation on Steve Freeman's handling of Royal Hummer
disparity \n updated handling of the dudeney parity principle. cards are dealt into a grid on the table as directed by the audience. the cards are reassembled by folding rows and columns onto each other - again controlled by the audience - yet the selections are found reversed in the packet. \n ramón riobóo \n paradox papers \n martin gardner \n the works \n john bannon
2015
semi-automatic card tricks — volume 10 Ramón Riobóo
Disparity
Updated handling of the Dudeney Parity Principle. Cards are dealt into a grid on the table as directed by the audience. The cards are reassembled by folding rows and columns onto each other - again controlled by the audience - yet the selections are found reversed in the packet.
matsunoma principle \n procedure which allows you to perform the petal force by mitsunobu matsuyama without a down-under deal. \n lewis jones \n pat hand \n steve beam
2015
semi-automatic card tricks — volume 9 Lewis Jones
MatsuNOma Principle
Procedure which allows you to perform the petal force by Mitsunobu Matsuyama without a down-under deal.
the top-level test \n twenty cards mixed face-up and face-down including a royal flush, royal flush is only face-up cards \n harry lorayne \n "really!" (harry lorayne, lecture notes) \n another top-level test \n harry lorayne
2015
jawdroppers! Harry Lorayne
The Top-Level Test
twenty cards mixed face-up and face-down including a Royal Flush, Royal Flush is only face-up cards
incredible flush control \n diamond royal flush mixed in twenty-card packet, cato procedure, at the end the royal flush in spades is reversed \n harry lorayne \n darn! i couldn't... \n harry lorayne
2015
jawdroppers! Harry Lorayne
Incredible Flush Control
diamond Royal Flush mixed in twenty-card packet, CATO procedure, at the end the Royal Flush in Spades is reversed
sum hummer explored \n packet mixed face up and down by spectator, number of reversed cards and their total predicted, cato principle \n harry lorayne \n richard vollmer \n sum hummer explored \n richard vollmer
2017
jawdroppers! two Harry Lorayne, Richard Vollmer
Sum Hummer Explored
packet mixed face up and down by spectator, number of reversed cards and their total predicted, CATO principle
three new toacs \n toac = turn over and cut, all with twelve-card packet
- prediction
- one to twelve (named value of a suit only reversed at end)
- incredible 2-card location \n harry lorayne
2017
jawdroppers! two Harry Lorayne
Three New TOACS
TOAC = Turn Over And Cut, all with twelve-card packet
Prediction
One To Twelve (named value of a suit only reversed at end)
"that's impossible!" \n only four aces reversed after cato procedure with sixteen cards \n harry lorayne \n "really!" (harry lorayne, lecture notes)
2017
jawdroppers! two Harry Lorayne
"That's Impossible!"
only four Aces reversed after CATO procedure with sixteen cards
eight/great - nine/fine \n - one of eight-card packet remembered (force), found with cato
- one of nine-card packet remembered, found with reverse faros \n harry lorayne
2017
jawdroppers! two Harry Lorayne
Eight/Great - Nine/Fine
one of eight-card packet remembered (force), found with CATO
one of nine-card packet remembered, found with reverse faros
folded discovery \n 4x4 matrix layout, folding tapestry, all of one color end up reversed except selection \n david solomon \n degrees of freedom \n john bannon
2018
solomon's secrets David Solomon
Folded Discovery
4x4 matrix layout, folding tapestry, all of one color end up reversed except selection
really! \n four-of-a-kind ends up reversed after cato/toac procedure \n harry lorayne \n "really!" (harry lorayne, lecture notes)
2018
and finally! Harry Lorayne
Really!
four-of-a-kind ends up reversed after CATO/TOAC procedure
personality quest \n face-up/face-down prediction of number of cards, minor variation of hummer's personality test \n lorenz schär \n personality test \n bob hummer
2020
semi-automatic card tricks — volume 12 Lorenz Schär
Personality Quest
face-up/face-down prediction of number of cards, minor variation of Hummer's Personality Test
strike out \n face-up/face-down prediction of number of cards \n steve beam \n personality test \n bob hummer \n triple humdinger \n peter duffie
2020
semi-automatic card tricks — volume 12 Steve Beam
personalized personality test \n face-up/face-down prediction of number of cards \n steve beam \n personality test \n bob hummer
2020
semi-automatic card tricks — volume 12 Steve Beam
the randomized lie detector \n face-up/face-down cards to form a number and to find selection \n steve beam \n personality test \n bob hummer
2020
semi-automatic card tricks — volume 12 Steve Beam
The Randomized Lie Detector
face-up/face-down cards to form a number and to find selection