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Subject: Re: Chess program crash generator

Author: Roman Hartmann

Date: 11:55:35 05/10/05

Go up one level in this thread


On May 10, 2005 at 14:49:02, Christopher Conkie wrote:

>[D]R6R/3Q4/1Q4Q1/4Q3/2Q4Q/Q4Q2/pp1Q4/kBNN1KB1 w - - 0 1
>
>You all know this position of course.
>
>Nenad Petrovic, 1964, 218 Legal Moves.
>
>In a legal position.
>
>Mate in one.......or is it?
>
>Regards
>
>Christopher

7 moves lead to instant mate and much more moves lead to a stalemate, of course.

roce: show
218 legal moves:
Kf1-e1[S]
Kf1-f2[S]
Kf1-g2[S]
Kf1-e2[S]
Bg1-f2[S]
Bg1-e3[S]
Bg1-d4[S]
Bg1-c5[S]
Bg1-h2[S]
Nd1-e3[S]
Nd1-f2[S]
Nd1xpb2[S]
Nd1-c3
Nc1-d3
Nc1-e2[S]
Nc1xpa2[S]
Nc1-b3[#]
Bb1xpa2[S]
Bb1-c2[S]
Bb1-d3[S]
Bb1-e4[S]
Bb1-f5[S]
Qd2-e2[S]
Qd2-f2[S]
Qd2-g2[S]
Qd2-h2[S]
Qd2-c2[S]
Qd2xpb2[#]
Qd2-d3[S]
Qd2-d4[S]
Qd2-d5[S]
Qd2-d6[S]
Qd2-e1[S]
Qd2-c3[S]
Qd2-b4[S]
Qd2-a5[S]
Qd2-e3[S]
Qd2-f4[S]
Qd2-g5[S]
Qd2-h6[S]
Qf3-g3[S]
Qf3-h3[S]
Qf3-e3[S]
Qf3-d3[S]
Qf3-c3[S]
Qf3-b3[S]
Qf3-f2[S]
Qf3-f4[S]
Qf3-f5[S]
Qf3-f6[S]
Qf3-f7[S]
Qf3-f8[S]
Qf3-e2[S]
Qf3-g2[S]
Qf3-h1[S]
Qf3-e4[S]
Qf3-d5[S]
Qf3-c6[S]
Qf3-b7[S]
Qf3-g4[S]
Qf3-h5[S]
Qa3-b3[S]
Qa3-c3[S]
Qa3-d3[S]
Qa3-e3[S]
Qa3xpa2[#]
Qa3-a4[S]
Qa3-a5[S]
Qa3-a6[S]
Qa3-a7[S]
Qa3xpb2[#]
Qa3-b4[S]
Qa3-c5[S]
Qa3-d6[S]
Qa3-e7[S]
Qa3-f8[S]
Qh4-g4[S]
Qh4-f4[S]
Qh4-e4[S]
Qh4-d4[S]
Qh4-h3[S]
Qh4-h2[S]
Qh4-h1[S]
Qh4-h5[S]
Qh4-h6[S]
Qh4-h7[S]
Qh4-g3[S]
Qh4-f2[S]
Qh4-e1[S]
Qh4-g5[S]
Qh4-f6[S]
Qh4-e7[S]
Qh4-d8[S]
Qc4-d4[S]
Qc4-e4[S]
Qc4-f4[S]
Qc4-g4[S]
Qc4-b4[S]
Qc4-a4[S]
Qc4-c3[S]
Qc4-c2[S]
Qc4-c5[S]
Qc4-c6[S]
Qc4-c7[S]
Qc4-c8[S]
Qc4-b3[S]
Qc4xpa2[#]
Qc4-d3[S]
Qc4-e2[S]
Qc4-b5[S]
Qc4-a6[S]
Qc4-d5[S]
Qc4-e6[S]
Qc4-f7[S]
Qc4-g8[S]
Qe5-f5
Qe5-g5
Qe5-h5
Qe5-d5
Qe5-c5
Qe5-b5
Qe5-a5
Qe5-e4
Qe5-e3
Qe5-e2
Qe5-e1
Qe5-e6
Qe5-e7
Qe5-e8
Qe5-d4[S]
Qe5-c3[S]
Qe5xpb2[#]
Qe5-f4
Qe5-g3
Qe5-h2
Qe5-d6
Qe5-c7
Qe5-b8
Qe5-f6[S]
Qe5-g7[S]
Qg6-h6
Qg6-f6
Qg6-e6
Qg6-d6
Qg6-c6
Qg6-g5
Qg6-g4
Qg6-g3
Qg6-g2
Qg6-g7
Qg6-g8
Qg6-f5[S]
Qg6-e4[S]
Qg6-d3[S]
Qg6-c2[S]
Qg6-h5
Qg6-f7
Qg6-e8
Qg6-h7[S]
Qb6-c6[S]
Qb6-d6[S]
Qb6-e6[S]
Qb6-f6[S]
Qb6-a6[S]
Qb6-b5[S]
Qb6-b4[S]
Qb6-b3[S]
Qb6xpb2[#]
Qb6-b7[S]
Qb6-b8[S]
Qb6-a5[S]
Qb6-c5[S]
Qb6-d4[S]
Qb6-e3[S]
Qb6-f2[S]
Qb6-a7[S]
Qb6-c7[S]
Qb6-d8[S]
Qd7-e7[S]
Qd7-f7[S]
Qd7-g7[S]
Qd7-h7[S]
Qd7-c7[S]
Qd7-b7[S]
Qd7-a7[S]
Qd7-d6[S]
Qd7-d5[S]
Qd7-d4[S]
Qd7-d3[S]
Qd7-d8[S]
Qd7-c6[S]
Qd7-b5[S]
Qd7-a4[S]
Qd7-e6[S]
Qd7-f5[S]
Qd7-g4[S]
Qd7-h3[S]
Qd7-c8[S]
Qd7-e8[S]
Rh8-g8[S]
Rh8-f8[S]
Rh8-e8[S]
Rh8-d8[S]
Rh8-c8[S]
Rh8-b8[S]
Rh8-h7[S]
Rh8-h6[S]
Rh8-h5[S]
Ra8-b8[S]
Ra8-c8[S]
Ra8-d8[S]
Ra8-e8[S]
Ra8-f8[S]
Ra8-g8[S]
Ra8-a7[S]
Ra8-a6[S]
Ra8-a5[S]
Ra8-a4[S]
roce:



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