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Nine Card Problem: Difference between revisions
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The '''Nine Card Problem''' is a trick invented by [[Jim Steinmeyer]]. | The '''Nine Card Problem''' is a trick invented by [[Jim Steinmeyer]]. | ||
The effect is that a spectator selects any nine cards from a deck of cards and looks at one of them. She mixes the cards by spelling the name of the viewed card and cutting the cards there. The performer, who does not know the name of the card, is able to identify the location of the card at the conclusion of the mixing process. The effect is especially suitable for use in distance magic effects over the phone or video recording. | |||
able to identify the location of the card | |||
This effect has been made famous by [[David Copperfield]] in one of his television shows. More recently the effect has been shown by Justin Flom in the Ellen DeGeneres show. | |||
The method of this trick is based on a mathematical principle, which has been discussed in the 2015 edition of ''Mathematics Magazine'', which provides a method to generalise the method and construct new versions. | |||
==Publications== | ==Publications== | ||
| Line 56: | Line 59: | ||
** '''Flushed with Magic''' (Dougie Gibbard): ''The Linking Ring'', Vol. 92 No. 4 (April 2012, pp. 71-72). | ** '''Flushed with Magic''' (Dougie Gibbard): ''The Linking Ring'', Vol. 92 No. 4 (April 2012, pp. 71-72). | ||
* Swart, B. B., & Shelton, B. (2015). Revelations and generalizations of the nine card problem. ''Mathematics Magazine'', 88(2), 137. | |||
[[Category:Card Routines]] | [[Category:Card Routines]] | ||
Revision as of 23:52, 1 August 2015
The Nine Card Problem is a trick invented by Jim Steinmeyer.
The effect is that a spectator selects any nine cards from a deck of cards and looks at one of them. She mixes the cards by spelling the name of the viewed card and cutting the cards there. The performer, who does not know the name of the card, is able to identify the location of the card at the conclusion of the mixing process. The effect is especially suitable for use in distance magic effects over the phone or video recording.
This effect has been made famous by David Copperfield in one of his television shows. More recently the effect has been shown by Justin Flom in the Ellen DeGeneres show.
The method of this trick is based on a mathematical principle, which has been discussed in the 2015 edition of Mathematics Magazine, which provides a method to generalise the method and construct new versions.
Publications
- Remote Control (Jim Steinmeyer): The New Invocation, No. 43 (February 1988).
- A Nine Card Problem (Jim Steinmeyer): MAGIC, Vol. 3 No. 9 (May 1993, pp. 56-58).
- Jim Steinmeyer, Impuzzibilities (2002, pp. 5-8).
- The Wizard of Odds (Jim Steinmeyer): Karl Fulves, Self-Working Close-Up Card Magic (1995, pp. 55-57).
- The Impossible Nine (Jim Steinmeyer): Bob Longe, World's Greatest Card Tricks (1996, pp. 40-42).
- Nine-Card Spell (Jim Steinmeyer): Martin Gardner, Mental Magic (1999, p. 76).
- Dunbury Lie Speller (Jon Racherbaumer): MAGIC, Vol. 2 No. 9 (May 1993, p. 58).
- The New Tops, Vol. 33 No. 6 (June 1993, pp. 31-34).
- Jon Racherbaumer, Pastiche II (1993, pp. 10-12).
- Jon Racherbaumer, Big-Easy Card-Cunning (1994, pp. 38-40).
- Dunbury Lie Speller--Extended (Nick Trost): The New Tops, Vol. 34 No. 1 (January 1994, p. 43).
- A Cavort in the Casbah to Capture Ali the Dope Dealer (Mel Stover): MAGIC, Vol. 2 No. 10 (June 1993, p. 54).
- Getting To Nine (Larry Jennings): MAGIC, Vol. 2 No. 11 (July 1993, pp. 53-54).
- Eight-Card Solution (J. K. Hartman): MAGIC, Vol. 2 No. 12 (August 1993, pp. 52-53).
- Nine Card Problem with Seven Cards (David Solomon): Eugene Burger, Solomon's Mind (1997, pp. 19-22).
- The Gift of the Magi (Marty Kane): Genii, Vol. 60 No. 12 (October 1997, p. 63).
- Phone Zone No. 2 (Peter Duffie): Peter Duffie, Deck Direct (1998).
- The Nine Card Problem Recycled (Gene Castillon): The Linking Ring, Vol. 79 No. 6 (June 1999, pp. 105-106).
- A Stitch in Nine (Gene Castillon): The Linking Ring, Vol. 79 No. 6 (June 1999, pp. 106-107).
- Another Stitch in Nine (Gene Castillon): The Linking Ring, Vol. 79 No. 6 (June 1999, pp. 107-108).
- A Colorful Stitch in Nine (Gene Castillon): The Linking Ring, Vol. 79 No. 6 (June 1999, pp. 108-109).
- A Triumphant Stitch in Nine (Gene Castillon): The Linking Ring, Vol. 79 No. 6 (June 1999, pp. 109-110).
- An Out of This World Stitch in Nine (Gene Castillon): The Linking Ring, Vol. 79 No. 6 (June 1999, p. 110).
- A Double Stitch in Nine (Gene Castillon): The Linking Ring, Vol. 79 No. 6 (June 1999, p. 111).
- An Unravelling Stitch in Nine (Gene Castillon): The Linking Ring, Vol. 79 No. 6 (June 1999, pp. 111-112).
- Cardboard Lie Detector (Terry LaGerould): Scott Cram, Terry LaGerould's Pasteboard Presentations II (2001, pp. 50-51).
- Killer's Pair (Marty Kane): Precursor, No. 80 (November 2001, pp. 10-11).
- Rank Prank (Marty Kane): Precursor, No. 80 (November 2001, pp. 11-12).
- Red Handed (David Regal): Constant Fooling, Vol. 2 (2002. pp. 12-15).
- Nothing But the Truth (David Regal): Constant Fooling, Vol. 2 (2002. p. 15).
- Variations on "The Nine Problem" (Cushing Strout): Cushing Strout, On the Other Side of the Mirror (2005, pp. 9-12).
- Anytime, Anyplace--Any Deck (Aldo Colombini): M-U-M, Vol. 100 No. 5 (October 2010, p. 80).
- Thanks to JS (Dougie Gibbard): The Linking Ring, Vol. 92 No. 4 (April 2012, pp. 69-70).
- Locator Cards (Dougie Gibbard): The Linking Ring, Vol. 92 No. 4 (April 2012, pp. 70-71).
- Flushed with Magic (Dougie Gibbard): The Linking Ring, Vol. 92 No. 4 (April 2012, pp. 71-72).
- Swart, B. B., & Shelton, B. (2015). Revelations and generalizations of the nine card problem. Mathematics Magazine, 88(2), 137.