已經有很多版本了 你可以google一下
http://www.geniimagazine.com/wiki/index.php/Open_Prediction我有在使用Nick Trost的版本
使用很簡單的手法(大部分的魔友都會)
而且也很好做clean up
Paul Curry's A Cur(r)i-ous Prediction (premiss) in More Card Manipulations No. 3 (1940)
Gerald Kosky's A Sure-fire Card Prediction in The Phoenix, dec. 30th 1949, page 772.
Ed Marlo's Open Prediction in The Cardician (1953)
Alex Elmsley's Open Intruder in The Pentagram, Vol. 10, no. 12, September 1956. Reprint in The Collected Works of Alex Elmsley, Vol. 2 (1994)
Bruce Cervon's Open Prediction in Pallbearers Review - Volume 3, Number 2, December, 1967, page 145.
Robert Parrish’s On The Open Prediction Second Folio of the Pallbearers Review: Winter, 1968
Paul Curry's Open Prediction in Special Effects (1977)
Ed Marlo's The Re-Opened Prediction in Marlo's Magazine, Vol. 3 (1979)
Ed Marlo's Application to Open Prediction in Marlo's Magazine, Vol. 5 (1984)
Ed Marlo's Olram's Open Prediction in Marlo Without Tears (1983)
Steve Rogers' Central Limit in Apocalypse Vol. 10, no. 8, august 1987.
Bruce Cervon's Open Prediction in The Cervon File (1988)
Tom Craven's Unclosed Prediction in Apocalypse, Vol. 12, no. 8, august 1989.
Paul Cummins' Almost Open Prediction in From a Shuffled Deck in Use... Part Two (1996)
Paul Curry & Bernard Bilis, The Open Prediction in Card College, Vol. 3 (1998)
David Regal's Open from the Bottom in Constant Fooling 1 (2002)
David Regal's Roughly Identical in Constant Fooling 2 (2002)
David Ben's Window To The Soul in Tricks (2003)
Nick Trost's Open Prediction in Subtle Card Creations, Vol. 1 (2007)
