2

I can find statistics on the number of moves until checkmate in the Syzygy endgame table for each material configuration. Let's say I am interested in "KQQvK" endgames. The statistics show that there are exactly 40 positions in which white can force mate in no less then 6 half-moves. Here is one such example given by their endgames.pgn file.

[FEN "8/8/8/1k6/8/3K4/3Q4/3Q4 b - - 0 1"]

Of course, I could mirror this position in every possible way, but this will not cover all 40 positions that require the maximum amount of moves. How is it possible to generate each position?

1
  • 1
    I'm not sure there is an easy way to do this. You could of course generate your own tablebases and keep track of this, but I think at least the syzygy files themselves don't give you easy access to that information.
    – koedem
    Mar 7, 2021 at 0:49

1 Answer 1

1

Kirill Kryukov's website is perhaps the best starting point. Here, all of the longest endgames for material configurations are given if for positions with 6 pieces or less and without a 5+1 piece count. For the moves, you could make a script to run each position through [Shredder](https://www.shredderchess.com/online/endgame-database.html} and record the best move sequence.

For reference, here is the entire list copied down and sorted by length, which the site has as an option.

KRNKNN 262 6k1/5n2/8/8/8/5n2/1RK5/1N6 w - - 0 1

KRPKNN 253 8/1P1k4/2R5/n7/1n6/K7/8/8 w - - 0 1 KRRPKQ 253 q7/7k/8/6R1/8/8/2P2R2/K7 w - - 0 1 KRNKNP 252 8/8/8/8/7k/8/1R2p2N/1K1n4 w - - 0 1

KRBKNN 238 8/8/8/8/2n2k2/2n5/5BR1/1K6 w - - 0 1

KRBKNP 229 8/8/2R5/3B4/k7/3np3/K7/8 w - - 0 1

KRRPKP 218 8/7k/8/8/PR3R2/8/p7/3K4 w - - 0 1 KRPPKQ 216 8/k1P5/8/8/1R5P/8/K7/7q w - - 0 1 KRPPKP 211 8/k1P5/8/8/1R5P/8/7p/3K4 w - - 0 1

KRNKBN 209 NbR5/8/n7/8/8/8/8/2K2k2 w - - 0 1 KRBKPP 208 8/8/8/8/7B/4k3/K1p1pR2/8 w - - 0 1 KRPKBN 204 8/1P6/8/n7/2K5/1b1R4/8/6k1 w - - 0 1

KRPKNP 198 4n3/6P1/5k2/8/8/8/1p1K4/R7 w - - 0 1 KRNKBP 194 8/8/7R/3kN3/1K6/8/5p1b/8 w - - 0 1

KRNKPP 188 8/2K5/R6N/8/8/2p5/5p2/3k4 w - - 0 1 KQPPKQ 182 8/4k3/8/Q7/8/7P/P7/q1K5 w - - 0 1 KBBPKR 180 2B5/4Br2/K1k5/8/8/8/6P1/8 w - - 0 1

KPPPKQ 178 6k1/P7/8/8/3q4/7P/P1K5/8 w - - 0 1 KQNKRR 174 3r2r1/8/k7/8/8/8/3K4/1Q4N1 w - - 0 1 KPPPKP 171 8/7k/2P5/1K6/8/5p1P/P7/8 w - - 0 1

KRPKBP 166 8/3R2P1/7k/8/8/8/5p2/K5b1 w - - 0 1 KQPKRR 165 8/3P2k1/8/3K4/8/8/r4r2/5Q2 w - - 0 1

KBPPKQ 158 8/5B1P/8/8/3k4/7P/4q3/1K6 w - - 0 1 KQBPKQ 158 8/5B1Q/8/8/3k4/6qP/8/1K6 w - - 0 1 KQPKRB 155 8/1kb5/8/8/3r4/8/4P3/2K1Q3 w - - 0 1 KRNKBB 152 8/7R/4b3/8/4k3/5b2/8/K6N w - - 0 1 KBPPKP 151 8/8/8/7B/4p2P/K2k3P/8/8 w - - 0 1 KQPKQP 151 8/3q4/2p4P/8/7Q/1k6/8/K7 w - - 0 1

KBPPKR 149 8/4P3/1r6/8/5B2/8/P7/K2k4 w - - 0 1 KBNPKR 141 3k4/8/r7/7N/8/8/K4BP1/8 w - - 0 1 KPPKPP 141 8/8/2p4P/5P2/1k6/4p3/K7/8 w - - 0 1 KQPKPP 141 2k5/2p5/1K6/7P/7Q/8/6p1/8 w - - 0 1

KRPKBB 136 8/8/3k2P1/1b6/8/8/K1R5/3b4 w - - 0 1 KQNPKQ 133 K3q3/3N4/8/8/8/k3P3/4Q3/8 w - - 0 1 KNPPKP 131 8/8/4NP2/8/1K6/3P4/p6k/8 w - - 0 1 KBBKNP 131 K7/8/8/k7/Bp6/7n/7B/8 w - - 0 1 KNPPKQ 130 8/5P2/4N3/8/8/K2P4/7k/6q1 w - - 0 1

KQPKQB 128 4b3/8/8/8/6Q1/k1K1P3/5q2/8 w - - 0 1 KQPKQN 128 4n1Q1/8/8/8/2K5/4P3/k4q2/8 w - - 0 1 KBNKNP 128 k7/6p1/8/1n1K4/8/5N2/8/4B3 w - - 0 1 KPPKP 127 8/8/8/8/1p2P3/4P3/1k6/3K4 w - - 0 1 KRBPKQ 127 8/7q/1R1P4/8/8/7B/3K4/k7 w - - 0 1 KQRPKQ 127 8/4R3/8/8/8/K1q1P1Q1/8/k7 w - - 0 1 KQPKQR 126 4r3/8/8/8/8/4P3/1k1K1Q2/1q6 w - - 0 1 KQPKRP 126 8/8/8/1K6/2Q5/1r2P3/1k4p1/8 w - - 0 1 KQPKBP 126 4b3/8/8/Q7/8/1k2P3/1p6/2K5 w - - 0 1 KQPKNP 125 4n3/8/8/8/8/3QP3/kp6/2K5 w - - 0 1 KPPKQ 124 8/4P3/7q/8/8/8/k1K1P3/8 w - - 0 1 KQPKQ 124 4Q3/8/7q/8/8/8/k3P3/2K5 w - - 0 1 KBNKPP 124 k1K5/7p/6NB/8/8/5p2/8/8 w - - 0 1 KQPKQQ 124 2Q5/8/7q/8/8/4P3/3q4/k1K5 w - - 0 1 KQRPKP 124 5Q1R/8/8/8/8/8/1p2P3/K1k5 w - - 0 1 KRNPKQ 123 7q/8/1NK5/4P3/1R6/8/8/k7 w - - 0 1 KQPPKP 123 8/8/8/Q7/8/8/1Pp1P3/1k1K4 w - - 0 1 KRBNKP 122 R3B3/N7/8/8/8/3K4/6p1/1k6 w - - 0 1 KQQPKQ 122 k1K1q3/8/8/8/8/8/6P1/5Q1Q w - - 0 1 KRNPKP 121 2N5/8/3K4/3P4/4k3/6R1/5p2/8 w - - 0 1 KRBNKQ 121 R3B3/8/8/1N6/8/3K4/8/1k4q1 w - - 0 1 KRBPKP 120 8/8/4P3/8/R2K4/B7/3p4/7k w - - 0 1

KRPKQR 118 6R1/5P2/8/2k1r2q/8/K7/8/8 w - - 0 1 KQRKQR 117 4q3/7R/8/4r2Q/8/4k3/8/2K5 w - - 0 1 KRPKRP 116 8/7P/1K5R/8/1r1k4/8/4p3/8 w - - 0 1 KNNKP 115 1N6/8/p7/8/8/8/2k1N3/K7 w - - 0 1 KQNPKP 115 8/8/8/8/5Q2/4P3/1pN5/K1k5 w - - 0 1 KNNPKP 114 1N6/8/p7/8/2Pk4/8/8/1K4N1 w - - 0 1 KBNPKQ 113 3N4/3P4/2K5/8/1k1q4/8/7B/8 w - - 0 1 KQRKRP 113 8/1K6/3Q3R/1r6/k7/8/4p3/8 w - - 0 1 KRBKBN 112 B7/8/8/4b3/8/1R6/3kn3/K7 w - - 0 1 KQBPKP 112 3B4/8/8/8/8/4P1Q1/1p6/K1k5 w - - 0 1 KBNPKN 111 5n2/8/8/2KN4/8/7k/B6P/8 w - - 0 1 KQPKRN 110 8/2n5/8/8/1K3r2/Q7/2kP4/8 w - - 0 1

KNNNKP 109 8/p7/8/8/8/4NN2/K3k3/7N w - - 0 1 KBNNKN 109 4k2N/3N4/2n5/8/8/3K4/2B5/8 w - - 0 1 KQQPKP 109 8/8/8/Q7/6Q1/8/1p1P4/K1k5 w - - 0 1 KBBNKN 108 8/8/8/8/8/8/1B4NB/2Kn3k w - - 0 1 KBNNKP 108 8/8/8/p3kB2/1K3N2/8/8/7N w - - 0 1 KRRNKQ 108 5R1N/8/5R2/8/7k/q7/8/K7 w - - 0 1 KBNKN 107 8/8/8/8/8/8/1n5B/2K1N2k w - - 0 1 KQBKRR 107 3r4/6Q1/5B2/8/8/5k2/2Kr4/8 w - - 0 1 KBNKQN 107 8/8/8/8/8/6B1/1n6/1Kq1N2k w - - 0 1 KBNKRN 107 8/8/8/8/8/6B1/1n6/1Kr1N2k w - - 0 1 KBNKBN 107 8/8/8/8/8/6B1/1n6/1Kb1N2k w - - 0 1 KBNKNN 107 8/8/8/8/8/6B1/1n6/1Kn1N2k w - - 0 1 KRBNKN 107 8/8/8/8/2R5/n5B1/8/1K2N2k w - - 0 1 KRNNKP 107 RN6/Nk6/p7/8/8/8/K7/8 w - - 0 1 KQBNKN 107 8/8/8/8/2Q5/n5B1/8/1K2N2k w - - 0 1 KBBKNN 106 4n3/8/8/B7/8/3K4/8/n1kB4 w - - 0 1 KBPKRR 106 8/r3P3/8/8/8/1r6/B7/2K3k1 w - - 0 1 KQPKP 105 8/8/8/8/3P2Q1/8/1p6/K1k5 w - - 0 1 KBPPKN 105 8/7P/6k1/5n2/3K3B/8/7P/8 w - - 0 1 KBBPKN 105 8/6n1/B3P3/8/2K5/8/7k/3B4 w - - 0 1 KQBKRP 105 8/Q7/8/K4rp1/5B2/8/6k1/8 w - - 0 1 KBNKQP 105 8/8/3q4/2K5/1p6/8/k7/5B1N w - - 0 1 KBNKRP 105 8/8/3r4/2K5/1p6/8/k7/5B1N w - - 0 1 KBNKBP 105 8/8/3b4/2K5/1p6/8/k7/5B1N w - - 0 1 KBNKP 104 8/8/3K4/8/8/1p6/k7/5B1N w - - 0 1 KQKRP 104 8/Q7/K7/5r2/5p2/8/6k1/8 w - - 0 1 KRPKQP 104 3R4/2P5/2K5/4q3/6k1/4p3/8/8 w - - 0 1 KBBKPP 104 B7/B7/8/5p2/8/2p5/1K1k4/8 w - - 0 1 KBPKRP 104 K7/8/4B2P/8/5p2/4r3/2k5/8 w - - 0 1 KPKRP 103 K7/7P/4r3/8/5p2/8/2k5/8 w - - 0 1 KBNPKP 103 8/8/3K4/8/8/1P6/1pk5/5B1N w - - 0 1 KBBNKP 103 8/8/3K4/8/8/kB1B4/1p6/N7 w - - 0 1 KQRKQP 103 2QR4/8/2K5/4q3/8/4p3/5k2/8 w - - 0 1 KQNKRP 103 8/K4r2/8/5N2/5p2/8/6k1/Q7 w - - 0 1 KRPKPP 103 8/2K3R1/8/3p4/8/4pP2/4k3/8 w - - 0 1 KBPKQN 102 3q4/2P5/7B/6n1/3K4/8/k7/8 w - - 0 1 KBPKRN 102 3r4/2P5/7B/6n1/3K4/8/k7/8 w - - 0 1 KRBKBP 101 8/8/8/8/8/K7/1pkb4/3R3B w - - 0 1 KBPKN 100 1n6/3P4/8/8/1K6/7B/8/k7 w - - 0 1

KBBPKQ 98 8/P1qB3k/4B3/8/8/8/K7/8 w - - 0 1 KNPKN 97 k7/3P4/2n5/K7/8/8/3N4/8 w - - 0 1 KQQKRP 97 8/8/1pk5/K7/8/8/Qr6/4Q3 w - - 0 1 KQRKPP 97 8/8/4QR2/8/8/4p3/1pk5/K7 w - - 0 1 KNPPKR 97 8/k1PN1r2/8/8/8/1P6/8/K7 w - - 0 1 KBBPKP 97 8/8/K6P/6B1/8/4B3/1p4k1/8 w - - 0 1 KNNNKB 96 6bN/8/8/8/8/1N6/2k5/K6N w - - 0 1 KQBBKQ 96 8/6k1/4B3/8/6B1/3q4/8/1K5Q w - - 0 1 KRPPKR 95 8/8/8/8/1k6/3r2P1/7P/K6R w - - 0 1

KNPPKN 93 7N/8/8/5k2/8/1P6/1P6/1K4n1 w - - 0 1 KNNPKN 92 N2n4/1P6/k7/4N3/3K4/8/8/8 w - - 0 1 KRBKBB 92 7k/4R2B/8/8/8/3K2bb/8/8 w - - 0 1 KQNNKP 92 8/8/8/1p6/QK6/5N2/8/4N2k w - - 0 1 KRBPKN 91 8/8/8/2K5/k7/3n1P1B/8/4R3 w - - 0 1 KQBPKN 91 8/8/8/2K5/k7/3n1P1B/8/4Q3 w - - 0 1 KBBKBN 90 8/8/k7/8/8/4B3/6n1/1BK4b w - - 0 1 KNNNKN 90 7N/N7/1k6/8/8/8/2K1n3/1N6 w - - 0 1 KRRBKQ 90 8/7B/8/k7/8/8/1R6/1RK1q3 w - - 0 1 KRPKQB 90 bK6/6P1/8/2q5/8/1k6/8/R7 w - - 0 1

KQRKQB 89 R7/8/1k6/8/3q4/8/8/bK4Q1 w - - 0 1 KRRKRN 89 r7/8/8/6n1/8/1k6/3RR3/2K5 w - - 0 1 KRRNKP 89 7N/8/8/2R5/8/R7/4p3/3K1k2 w - - 0 1 KNPPKB 88 8/8/N1b5/8/k7/8/2P1P3/K7 w - - 0 1 KRNPKN 88 1k6/R7/2nP4/K5N1/8/8/8/8 w - - 0 1 KPPPKN 87 8/5P2/2n1k3/8/3K4/1P6/1P6/8 w - - 0 1 KBBNKR 85 N7/1r4B1/8/8/8/7B/8/K1k5 w - - 0 1 KRNPKR 85 8/7N/8/8/8/2k5/4r2P/K2R4 w - - 0 1

KQPKBB 84 8/8/7P/8/4k3/3b4/3b4/1KQ5 w - - 0 1 KQBNKQ 84 7q/8/8/8/5B1N/2K4k/5Q2/8 w - - 0 1 KPKBB 83 8/8/7P/8/4k3/b7/8/1K3b2 w - - 0 1 KQRKQN 83 8/4nq2/8/k7/8/8/4Q3/3K2R1 w - - 0 1 KBPPKB 82 1k6/8/8/1P4B1/8/1K6/4P3/7b w - - 0 1 KQNKBB 82 8/8/8/3k4/4bb2/8/8/QKN5 w - - 0 1 KQKBB 81 8/1Q6/8/8/2bb4/8/3k4/K7 w - - 0 1 KQBKBB 81 8/1Q6/8/8/2bb4/3B4/3k4/K7 w - - 0 1 KQQKBB 81 8/8/3Q4/8/4k3/1b2b3/8/3KQ3 w - - 0 1 KQRKBB 81 5R2/8/7b/8/4k3/3b4/8/QK6 w - - 0 1 KQRKBP 81 2K5/4k3/8/8/5R2/7b/2p4Q/8 w - - 0 1 KNNPKB 80 1b6/8/2k5/3N4/8/6N1/3P4/K7 w - - 0 1 KQRKQQ 80 q3Q3/8/5q2/8/8/8/3k4/1K5R w - - 0 1 KBBKQN 80 8/8/8/5q2/1n6/B2k4/B7/2K5 w - - 0 1 KBBKRN 80 8/8/8/8/5n1B/3k3B/1r6/2K5 w - - 0 1 KQPKNN 80 8/2n5/8/K7/1Pn5/8/2k5/7Q w - - 0 1 KRRKRP 80 8/8/8/K7/8/kpR5/2R5/7r w - - 0 1 KRPKQQ 80 8/P7/5q2/8/8/5k2/KR6/7q w - - 0 1

KRPKQN 79 n7/1P6/7k/8/6R1/8/q7/2K5 w - - 0 1 KQBBKP 79 8/8/8/8/8/4Q3/1pkB3B/K7 w - - 0 1 KBBKN 78 7B/6n1/8/6k1/6B1/8/8/K7 w - - 0 1 KPPPKB 78 8/4k1P1/8/3K4/8/8/2bP3P/8 w - - 0 1 KBBBKN 78 8/8/8/8/8/1kn5/1B2B3/3K3B w - - 0 1 KRBBKN 78 8/8/8/8/8/1nk5/3RB3/K1B5 w - - 0 1 KRBKRP 77 k2r4/8/8/Kp6/8/8/4B3/7R w - - 0 1 KQRNKQ 77 8/6NR/8/8/8/2q5/5k2/K6Q w - - 0 1 KRBPKR 76 8/8/1B6/1k6/R7/2r5/6P1/K7 w - - 0 1 KRPKRB 76 8/2R5/8/8/2br1k2/8/1PK5/8 w - - 0 1 KRBBKP 76 8/8/8/8/8/8/4p1RB/3K1k1B w - - 0 1 KQBBKN 76 8/1B6/3Q4/1n6/3K4/8/2kB4/8 w - - 0 1 KBBKRP 76 8/8/8/2k5/6B1/1p2r3/8/3KB3 w - - 0 1 KBBBKR 75 6B1/8/8/6r1/8/7k/7B/K5B1 w - - 0 1 KNNPKQ 75 3K4/6P1/q3k3/8/8/8/8/2N2N2 w - - 0 1 KRRPKR 75 1R6/k7/8/8/6R1/8/6P1/1K2r3 w - - 0 1 KRPKRR 75 8/8/3r3k/8/8/8/rP1R4/3K4 w - - 0 1 KRPKRN 75 8/8/3n3k/8/8/8/rP1R4/3K4 w - - 0 1 KBBKBP 75 8/8/8/5k2/B5b1/1p2B3/3K4/8 w - - 0 1 KBBKQP 75 8/8/8/5k2/B5q1/1p2B3/3K4/8 w - - 0 1 KQRPKR 75 2k5/8/8/6R1/8/8/6P1/r1K2Q2 w - - 0 1

KBBKP 74 8/8/8/8/4k1B1/1p2B3/2K5/8 w - - 0 1 KRPKR 74 k7/8/8/8/8/4R3/6P1/1K5r w - - 0 1 KPKNN 74 8/8/7P/8/4n3/1k6/8/3K3n w - - 0 1 KBBBKP 74 8/8/5B2/8/8/8/4pkB1/3K3B w - - 0 1 KQNNKQ 74 2N2N2/8/8/8/8/q4k2/8/3K2Q1 w - - 0 1 KRPKB 73 8/8/R7/8/8/1k1P4/6b1/K7 w - - 0 1 KRRBKP 73 8/8/8/7R/8/8/1p6/K1k3BR w - - 0 1 KQBNKP 73 Q3B3/N7/8/8/8/8/1p6/K1k5 w - - 0 1 KQKNN 72 8/8/8/8/4n2Q/3k4/8/3K3n w - - 0 1 KQBKRB 72 8/b7/6Q1/8/8/5B2/3k4/K1r5 w - - 0 1 KQQKQB 71 8/8/1k6/2q5/6Q1/b7/8/2K4Q w - - 0 1 KQRKRB 71 8/R7/6Q1/8/3b4/8/1K1k4/5r2 w - - 0 1 KQNKRB 71 5Q2/8/8/r4b2/8/5k2/5N2/1K6 w - - 0 1 KRBPKB 71 7b/8/8/8/8/5k2/1K1P4/RB6 w - - 0 1 KRNPKB 71 8/8/8/8/4b3/1k2PN2/8/1KR5 w - - 0 1 KBPKRB 71 8/5P2/8/Bb1r4/8/8/4k3/1K6 w - - 0 1 KPKRB 70 8/4P3/b7/r7/8/8/8/1K4k1 w - - 0 1 KQKRB 70 8/4Q3/b7/r7/8/8/8/K5k1 w - - 0 1 KPPPKR 70 8/2P5/2P1r3/k7/8/2K5/5P2/8 w - - 0 1 KRPPKB 70 7b/8/8/8/1R6/3P4/2kP4/K7 w - - 0 1 KRRPKB 70 7b/8/8/8/8/3R4/2kP4/KR6 w - - 0 1 KBNPKB 70 8/8/8/8/7b/8/1K1k1P2/N5B1 w - - 0 1 KQQKRB 70 5Q2/8/8/Q7/8/r2b4/4k3/1K6 w - - 0 1 KRBBKR 70 1k6/R7/8/B6B/8/8/3K4/r7 w - - 0 1

KQKRN 69 8/5Q2/8/n7/8/4k3/8/3K2r1 w - - 0 1 KQBKNN 69 8/7Q/8/B3n1k1/8/1n6/8/K7 w - - 0 1 KQQKNN 69 8/7Q/8/Q3n1k1/8/1n6/8/K7 w - - 0 1 KQQKQR 69 Q5Q1/1r6/2k4q/8/8/8/8/1K6 w - - 0 1 KQRKNN 69 8/7Q/8/R3n1k1/8/1n6/8/K7 w - - 0 1 KQRKNP 69 8/5R2/8/K7/8/1n6/2p4Q/1k6 w - - 0 1 KQBKRN 69 8/2B1r3/6Q1/2k5/8/5n2/3K4/8 w - - 0 1 KQNKRN 69 8/8/8/Q7/6N1/6rk/n7/2K5 w - - 0 1 KRRBKR 69 8/1B6/8/5R2/7R/8/8/K1r3k1 w - - 0 1 KRRRKQ 69 1R4R1/8/8/7R/q7/8/5k2/3K4 w - - 0 1 KRPKQ 68 8/P1k5/8/8/8/1q6/R7/K7 w - - 0 1 KPKRN 68 1n6/1K1P4/8/8/8/8/4r3/1k6 w - - 0 1 KQNKNN 68 8/8/3Q4/8/2N1k3/n7/3n4/1K6 w - - 0 1 KRBKRN 68 8/7n/8/4R3/8/k2KB3/8/3r4 w - - 0 1 KRBNKR 68 8/8/8/4R3/5r1B/8/Nk1K4/8 w - - 0 1 KQQRKQ 68 8/8/8/q7/3Q4/6k1/8/KR5Q w - - 0 1 KQRBKR 68 3Q4/k7/4R3/8/8/8/6B1/rK6 w - - 0 1 KBPKQP 68 8/7p/8/8/8/q7/K6P/2k4B w - - 0 1 KBPKP 67 8/7p/8/8/8/1B6/K6P/2k5 w - - 0 1 KQRKQ 67 8/8/8/8/q7/6k1/8/KR5Q w - - 0 1 KRKNP 67 2K4k/7p/8/8/8/8/3R4/n7 w - - 0 1 KQRKRN 67 8/8/8/Q7/5R2/4k3/n7/2K3r1 w - - 0 1 KRRKRB 67 3b4/r7/8/8/4R3/8/k7/2K3R1 w - - 0 1 KRBKRR 67 2r5/8/B7/2R5/7r/3K4/8/5k2 w - - 0 1 KQRRKQ 67 8/8/8/q7/1R6/6k1/8/KR5Q w - - 0 1 KQRBKQ 67 8/7R/8/1B6/8/q7/5k2/K6Q w - - 0 1 KQRPKB 67 8/8/4Q3/3b4/8/8/K1kP4/R7 w - - 0 1 KNNPKR 66 8/8/4PN2/K7/8/7N/1r6/1k6 w - - 0 1 KQQKRN 66 8/8/8/8/1n3k2/1Q6/Q7/1K4r1 w - - 0 1 KQNKNP 66 8/8/8/2k5/2nN4/5Q2/1p1K4/8 w - - 0 1 KRRKNP 66 8/7k/8/6Rp/3K4/5n2/R7/8 w - - 0 1 KRBKR 65 8/3B4/8/1R6/5r2/8/3K4/5k2 w - - 0 1 KRBKQR 65 8/4B3/8/6R1/r7/3q4/2K5/k7 w - - 0 1 KRBKRB 65 2R5/8/8/B7/7b/3r4/8/k1K5 w - - 0 1 KQNKQP 65 8/2K1k3/2p5/1N6/8/8/1Q6/7q w - - 0 1

KQBKNP 63 8/6Q1/8/3n4/1K3B2/8/1pk5/8 w - - 0 1 KQBKQP 63 q7/p7/8/7k/QB6/8/8/3K4 w - - 0 1 KQNKPP 63 8/4k3/2p1N3/1K6/8/8/4Q2p/8 w - - 0 1 KPPKBN 61 8/8/8/P6P/K1k5/8/4b3/4n3 w - - 0 1 KQNPKN 61 8/K7/2n5/4Q3/8/8/P7/5k1N w - - 0 1 KQQKQN 60 7n/8/8/8/1k6/8/7Q/q1K3Q1 w - - 0 1 KQQKNP 60 8/8/8/8/7Q/2k5/2pnQ3/1K6 w - - 0 1 KQQKQP 60 QQ6/8/8/8/1K4q1/8/4p3/2k5 w - - 0 1

KPKNP 58 8/3K4/8/6p1/P7/8/6n1/7k w - - 0 1 KQBKQB 58 7q/1B5b/8/8/7Q/3k4/8/3K4 w - - 0 1 KQBKBP 58 5B2/8/1K6/8/2k5/8/7p/Q5b1 w - - 0 1 KBPKQB 58 6bq/3P4/1k6/8/K7/8/8/5B2 w - - 0 1 KNPKP 57 N7/8/K7/8/4p3/8/6P1/k7 w - - 0 1 KQRKRR 57 R7/7Q/8/8/8/8/8/2rKr1k1 w - - 0 1 KRPKP 56 R7/P7/8/K7/8/8/pk6/8 w - - 0 1 KBNNKR 56 4B3/8/5r2/8/3N1N2/8/3K4/7k w - - 0 1 KQPKBN 56 1K6/3n4/2k3P1/4Q3/8/8/5b2/8 w - - 0 1 KQRBKP 56 Q7/R7/8/1B6/8/8/1p6/K1k5 w - - 0 1 KPKBN 55 8/8/3P4/8/8/2k5/8/1K2n2b w - - 0 1 KQKNP 55 8/7Q/8/K7/8/8/3p4/n1k5 w - - 0 1

KPPKR 54 3K4/8/8/4P3/8/2r5/5P2/2k5 w - - 0 1 KRPKN 54 8/5n2/8/8/8/7k/7P/3K3R w - - 0 1 KBBPKB 54 b7/8/6B1/3K4/8/8/2P5/Bk6 w - - 0 1 KRPPKN 54 8/4R3/8/K1k1P3/2n5/4P3/8/8 w - - 0 1 KRRPKN 54 8/RK6/3n4/3k4/2R5/4P3/8/8 w - - 0 1 KQPPKR 54 Kr6/8/8/2P5/8/3P4/5Q2/7k w - - 0 1 KQKBN 53 8/8/8/8/3b4/1Q6/3kn3/K7 w - - 0 1 KQRKBN 53 8/8/8/1R6/3b4/1Q6/3kn3/K7 w - - 0 1 KQBKBN 53 8/8/8/8/3b4/1Q6/3kn3/K2B4 w - - 0 1 KQNKQR 53 1r6/8/8/7k/8/5N2/2K1Q3/q7 w - - 0 1 KQNKBN 53 8/8/8/2N5/3b4/1Q6/3kn3/K7 w - - 0 1 KBNNKB 53 5N2/8/3b4/8/8/8/8/K1Bk3N w - - 0 1 KBBNKB 53 8/8/B7/2N4B/3k4/8/8/1K1b4 w - - 0 1 KRBBKQ 53 4R1B1/1q6/5B2/k7/8/3K4/8/8 w - - 0 1 KRNKRN 52 7n/8/5R2/8/3r4/8/8/k2K3N w - - 0 1 KRNKRP 52 k7/8/1K4p1/8/r7/8/3N4/3R4 w - - 0 1 KBPKB 51 8/8/6B1/8/2P5/8/2K5/k4b2 w - - 0 1 KPKBP 51 3K4/8/1P6/8/6p1/8/4b3/7k w - - 0 1 KQQKBP 51 8/Q7/8/8/4b3/1k6/5p2/QK6 w - - 0 1 KQNKBP 51 2K5/8/8/8/6b1/1Q6/4N1pk/8 w - - 0 1 KQRPKN 51 8/7R/8/8/4Q3/6kP/3n4/1K6 w - - 0 1 KQBPKB 51 8/8/2B5/8/b7/1KP5/2Q5/k7 w - - 0 1 KPPKN 50 3n4/5P2/8/8/3K2P1/8/k7/8 w - - 0 1 KPKRR 50 3K4/4P3/1r2k3/8/8/8/8/7r w - - 0 1 KQKBP 50 3K4/8/8/8/8/1Q6/4b1pk/8 w - - 0 1 KQQKQQ 50 8/7k/8/1q1q4/8/8/8/K4QQ1 w - - 0 1

KQKRR 49 4r3/8/5Q2/8/5r2/1k6/8/1K6 w - - 0 1 KQBKQR 49 7q/4B2r/8/8/8/8/1Q6/3K3k w - - 0 1 KQRNKP 49 4Q2R/8/8/8/8/8/1p6/K1k3N1 w - - 0 1 KBPKQR 49 2q5/kP6/2K5/3r4/8/8/B7/8 w - - 0 1 KQQKBN 48 8/8/8/8/8/1kn5/4Q1Q1/1K3b2 w - - 0 1 KQQKRR 48 4Q3/8/7Q/8/8/2rk4/8/2K1r3 w - - 0 1 KRRKPP 48 8/8/k7/p7/1K6/3R4/2p1R3/8 w - - 0 1 KRRRKP 46 7R/8/5R2/8/8/5R2/1pk5/K7 w - - 0 1 KQBKPP 46 8/8/8/3K4/8/8/p2Q1B1p/5k2 w - - 0 1 KQQNKR 46 7N/8/8/8/8/6Q1/5Q2/K1r4k w - - 0 1 KQQPKR 46 k7/P5Q1/Q7/8/8/8/r7/K7 w - - 0 1 KBPKR 45 8/r1k5/5P2/3K4/B7/8/8/8 w - - 0 1 KRRKBB 45 8/8/1b6/3b4/4R3/8/5k2/K6R w - - 0 1 KRRNKR 45 7k/5R2/5N2/8/8/6R1/8/K4r2 w - - 0 1 KRRKQP 45 5k1q/R2R4/3p4/8/8/8/8/K7 w - - 0 1 KQQNKQ 45 4Q3/8/2N5/8/k7/8/7Q/q1K5 w - - 0 1 KQRRKP 45 8/R7/8/3Q4/5R2/2k5/1p6/K7 w - - 0 1 KQNPKR 45 K7/r7/3P4/8/8/3N2Q1/8/7k w - - 0 1

KNPKR 44 1N6/8/8/PK6/3r4/3k4/8/8 w - - 0 1 KQNKQB 44 6Q1/b7/8/3N4/8/8/k2K4/7q w - - 0 1 KRRKBN 44 4n1b1/8/8/8/2R5/8/4R3/1K1k4 w - - 0 1 KQRNKR 44 8/8/8/8/1R6/1Q6/2Kr1N2/k7 w - - 0 1 KQBNKR 44 8/8/8/4B3/8/5N2/7Q/K1r2k2 w - - 0 1 KQPPKN 44 8/8/8/8/8/3KP3/Q5P1/2n1k3 w - - 0 1 KPKR 43 8/5k2/2PK4/5r2/8/8/8/8 w - - 0 1 KPPKB 43 8/6P1/7k/8/6P1/1K6/8/1b6 w - - 0 1 KNPKB 43 8/8/8/8/2K5/b7/1k5P/2N5 w - - 0 1 KPKPP 43 8/8/7P/3K4/5p2/4p3/8/7k w - - 0 1 KPKQR 43 8/2P2k2/3q4/2K2r2/8/8/8/8 w - - 0 1 KQNKQN 43 6q1/n7/8/Q7/8/2K5/8/3Nk3 w - - 0 1 KRRKQN 43 7k/1n6/8/8/8/q7/2KR4/4R3 w - - 0 1 KRRKNN 43 8/2R5/8/8/2n4k/3n4/2R5/2K5 w - - 0 1 KRRKBP 43 8/5R2/8/8/k2K4/1R3b2/3p4/8 w - - 0 1 KQBPKR 43 8/8/2P2k2/8/8/r1K4Q/7B/8 w - - 0 1 KQBKQN 42 Q7/8/7q/8/2B5/3K4/n7/2k5 w - - 0 1 KQNKQQ 42 6q1/8/8/Q7/8/2qK4/8/1N1k4 w - - 0 1 KRBKQN 42 8/8/8/5n2/B7/3R4/2K3k1/7q w - - 0 1 KRNKQN 42 8/8/8/n7/2R4q/8/3k4/1K2N3 w - - 0 1 KRNNKR 42 8/8/8/6N1/8/1r6/6RN/K6k w - - 0 1 KQQBKR 42 8/8/8/8/8/6Q1/5Q2/K1r1B2k w - - 0 1 KQNPKB 42 8/8/8/8/1N6/4b3/7P/k1K3Q1 w - - 0 1 KNPKQ 41 8/4P3/8/N1K5/k7/8/7q/8 w - - 0 1 KQNKQ 41 6q1/8/8/Q7/8/2K5/8/3Nk3 w - - 0 1 KRKNN 41 8/5R2/8/8/k7/4n3/3K1n2/8 w - - 0 1 KRKBN 41 8/5R2/8/8/k7/4b3/3K1n2/8 w - - 0 1 KRKRN 41 8/5R2/8/8/k7/4r3/3K1n2/8 w - - 0 1 KRKQN 41 8/5R2/8/8/k7/4q3/3K1n2/8 w - - 0 1 KQKPP 41 8/8/8/2K5/5p2/8/1Q2pk2/8 w - - 0 1 KQRRKR 41 7k/1R6/8/5QR1/8/r7/8/K7 w - - 0 1 KRKN 40 8/2R5/8/8/7k/3K4/8/4n3 w - - 0 1 KRBKN 40 8/2R5/8/8/7k/4n3/6B1/3K4 w - - 0 1 KRRKN 40 8/2R5/8/8/7k/4n3/6R1/3K4 w - - 0 1 KQBKR 40 8/7B/8/7k/5Q2/8/8/Kr6 w - - 0 1 KQRKP 40 8/Q7/R7/8/8/8/1p6/K1k5 w - - 0 1 KQRKN 40 8/2R5/8/8/7k/4n3/6Q1/3K4 w - - 0 1 KRKPP 40 2K5/8/3pR3/5p2/7k/8/8/8 w - - 0 1 KRRKRR 40 1R6/rR1r4/k7/8/8/8/2K5/8 w - - 0 1 KBNKQB 40 6B1/7q/8/8/6N1/3k4/8/1Kb5 w - - 0 1 KBNKRB 40 6B1/7r/8/8/6N1/3k4/8/1Kb5 w - - 0 1 KBNKBB 40 6B1/7b/8/8/6N1/3k4/8/1Kb5 w - - 0 1 KQQKPP 40 6Q1/8/8/8/8/8/1pkp2Q1/K7 w - - 0 1 KQQBKQ 40 6Q1/8/5B2/8/8/8/3k4/QK1q4 w - - 0 1 KQBBKR 40 8/7B/8/7k/5Q2/8/1B6/Kr6 w - - 0 1

KBNKB 39 8/7B/8/4N3/8/8/3k4/K1b5 w - - 0 1 KRKBP 39 8/6bp/8/8/k1K5/8/8/2R5 w - - 0 1 KBNNKQ 39 8/8/1B6/8/2q3N1/2N5/8/K1k5 w - - 0 1 KBBNKQ 39 8/q7/8/8/8/2k3BB/1N6/1K6 w - - 0 1 KRBNKB 39 8/8/8/R7/Nb6/8/3K4/k5B1 w - - 0 1 KQBNKB 39 8/Q7/3B4/8/3K4/8/4Nb2/1k6 w - - 0 1 KQNNKR 39 k7/2Q5/8/8/5N2/3r4/8/1N1K4 w - - 0 1 KQNKR 38 k7/2Q5/8/8/8/8/3r4/1N1K4 w - - 0 1 KQKQR 38 8/8/6q1/8/8/8/2krQ3/K7 w - - 0 1 KRBKQP 38 1R6/8/B7/3q4/8/2K5/1p6/7k w - - 0 1 KRNKN 37 8/8/8/8/RN6/1k6/8/3K1n2 w - - 0 1 KRNKR 37 8/8/8/8/N2K4/R7/8/2k1r3 w - - 0 1 KQPKR 37 8/8/P7/3k4/r7/8/8/KQ6 w - - 0 1 KRNKQR 37 8/8/8/8/N2K4/8/R7/q1k1r3 w - - 0 1 KRNKRR 37 8/8/8/8/N2K4/8/R7/r1k1r3 w - - 0 1 KRNKRB 37 8/8/8/8/r7/8/3K4/kNRb4 w - - 0 1 KQQQKR 37 8/8/8/1Q6/2Q5/k7/3r2Q1/3K4 w - - 0 1 KQQRKR 37 8/8/8/1Q6/2Q5/k7/3r2R1/3K4 w - - 0 1 KQQRKP 37 7R/8/8/1Q6/7Q/2k5/3p4/2K5 w - - 0 1 KQQNKP 37 8/Q7/2Q5/2N5/8/8/1p6/K1k5 w - - 0 1 KBNKR 36 8/8/8/2r5/3B4/8/3N4/K3k3 w - - 0 1 KBNKQ 36 8/8/8/2q5/3B4/8/3N4/K3k3 w - - 0 1 KBNKQQ 36 8/8/8/8/3N4/1q6/7B/K1kq4 w - - 0 1 KBNKQR 36 8/8/8/8/3N4/1r6/7B/K1kq4 w - - 0 1 KBNKRR 36 8/8/8/8/3N4/1r6/7B/K1kr4 w - - 0 1 KQKR 35 8/8/8/8/2r5/8/2k5/K6Q w - - 0 1 KQQKR 35 8/8/8/6Q1/5Q2/7k/r7/K7 w - - 0 1 KBPKQ 35 8/3P1q2/2k5/6B1/8/8/8/K7 w - - 0 1 KBPKQQ 35 8/P7/2k5/8/4q3/5q2/8/KB6 w - - 0 1

KBNNK 34 8/8/8/6N1/6kB/6N1/8/K7 w - - 0 1 KQRKR 34 8/8/8/8/3RQ3/2k5/8/K4r2 w - - 0 1 KPKQP 34 k1q5/2K5/7p/8/8/8/6P1/8 w - - 0 1 KQBKQQ 34 8/8/7q/8/8/qQ1K4/B7/2k5 w - - 0 1 KRRKQB 34 8/R7/8/8/8/8/2RK1k2/5bq1 w - - 0 1 KRNNKN 34 8/8/8/2n5/8/6kN/3K2NR/8 w - - 0 1 KRRBKN 34 8/6Bk/4R3/2R5/5n2/3K4/8/8 w - - 0 1 KQRBKN 34 8/6Bk/4Q3/2R5/5n2/3K4/8/8 w - - 0 1 KQPPKB 34 8/8/8/8/1k6/2b3P1/1K4P1/Q7 w - - 0 1 KBNK 33 8/8/7N/8/8/8/8/K1k1B3 w - - 0 1 KPKP 33 2K5/k7/7p/8/8/8/6P1/8 w - - 0 1 KPPPK 33 K7/8/8/8/2k3P1/6P1/6P1/8 w - - 0 1 KBNPK 33 K1k5/2P5/8/7B/8/8/8/N7 w - - 0 1 KBBNK 33 8/8/8/8/8/B7/5Bk1/K6N w - - 0 1 KRRKP 33 8/8/6R1/8/8/8/4p1R1/3K1k2 w - - 0 1 KQBKQ 33 7q/8/8/k7/8/7B/3K4/4Q3 w - - 0 1 KRKRP 33 7R/8/8/k7/8/r7/Kp6/8 w - - 0 1 KRKQP 33 7R/8/8/k7/8/q7/Kp6/8 w - - 0 1 KRRKQR 33 8/k7/8/8/1q6/5rR1/8/1RK5 w - - 0 1 KRNNKQ 33 3q4/N6R/8/N7/8/k7/2K5/8 w - - 0 1 KRRNKN 33 8/8/8/RN3R2/1k6/4n3/2K5/8 w - - 0 1 KRRRKR 33 8/8/4R1R1/5k2/7R/8/r7/K7 w - - 0 1 KQRNKN 33 8/8/8/RN3Q2/1k6/4n3/2K5/8 w - - 0 1 KPPK 32 8/8/8/8/8/2k3P1/6P1/K7 w - - 0 1 KNPPK 32 7N/K5k1/8/8/8/6P1/6P1/8 w - - 0 1 KQBKP 32 8/Q7/2K3k1/8/8/8/7p/2B5 w - - 0 1 KRBKQB 32 8/8/8/8/2R5/B7/5k2/3K1bq1 w - - 0 1 KRNKQB 32 8/8/8/8/4b3/8/2RN3k/3K1q2 w - - 0 1 KRRRKN 32 8/R7/8/3R4/1R6/8/2n5/K1k5 w - - 0 1 KQQRKN 32 8/R7/8/3Q4/1Q6/8/2n5/K1k5 w - - 0 1 KQRRKN 32 8/R7/8/3R4/1Q6/8/2n5/K1k5 w - - 0 1 KBPK 31 8/3P4/KBk5/8/8/8/8/8 w - - 0 1 KRNKB 31 8/8/8/8/4b3/8/2R5/3K1Nk1 w - - 0 1 KRRKR 31 k7/6R1/8/8/1R6/2r5/8/2K5 w - - 0 1 KRKBB 31 8/8/8/b1R5/8/3K4/8/1k4b1 w - - 0 1 KQQQKQ 31 1Q6/Q7/8/8/3q4/8/2k5/K4Q2 w - - 0 1 KRNKQP 31 8/8/8/4R3/8/3p2q1/3k3N/K7 w - - 0 1 KBBPK 30 4B3/6P1/7k/8/8/8/K7/1B6 w - - 0 1 KRBKB 30 8/8/8/8/8/3R4/6k1/3K1bB1 w - - 0 1 KQPKN 30 8/Q7/2n5/1k6/3K4/8/7P/8 w - - 0 1 KQNKP 30 8/8/2K4N/8/8/5Q2/p1k5/8 w - - 0 1 KQQKQ 30 1Q6/Q7/8/8/8/8/2k5/K4q2 w - - 0 1 KRKRB 30 8/8/8/8/Rr6/3K4/8/1k4b1 w - - 0 1 KRKQB 30 8/8/8/8/Rq6/3K4/8/1k4b1 w - - 0 1 KRNNKB 30 8/8/8/8/8/3K4/5kNR/1b4N1 w - - 0 1 KQQBKP 30 3Q4/Q7/8/8/2B5/8/1p6/K1k5 w - - 0 1

KPKN 29 8/8/8/k7/8/n7/K5P1/8 w - - 0 1 KPKB 29 8/8/8/k7/8/b7/K5P1/8 w - - 0 1 KPKQ 29 8/8/8/k7/8/q7/K5P1/8 w - - 0 1 KRKB 29 8/8/8/8/8/2R5/8/3K1bk1 w - - 0 1 KRBNK 29 8/8/8/8/8/8/6kB/K5NR w - - 0 1 KRNKP 29 8/8/8/4R3/8/2k3N1/3p4/K7 w - - 0 1 KRRKB 29 8/7R/1R6/8/4b3/8/2K5/5k2 w - - 0 1 KRRKQ 29 k2q4/7R/8/8/8/8/8/2K3R1 w - - 0 1 KQRKB 29 8/8/8/5b2/8/R2K4/6k1/1Q6 w - - 0 1 KPKQN 29 8/n7/8/1k1q4/3K3P/8/8/8 w - - 0 1 KQKQP 29 2Qq4/2K5/8/8/8/8/4p3/2k5 w - - 0 1 KRRKQQ 29 8/8/8/8/8/RRq5/7q/K1k5 w - - 0 1 KRBBKB 29 8/b7/8/8/3K4/8/BBk5/R7 w - - 0 1 KPK 28 8/8/8/1k6/8/8/K5P1/8 w - - 0 1 KQKP 28 3Q4/3K4/8/8/8/3k4/3p4/8 w - - 0 1 KNNPK 28 N1N5/8/8/8/8/4k2P/8/K7 w - - 0 1 KRBKP 28 8/8/8/8/8/1R1K4/kB1p4/8 w - - 0 1 KQPKB 28 8/8/k7/8/1Q6/2K5/6P1/4b3 w - - 0 1 KRRNKB 28 5R2/6b1/8/8/8/R7/6k1/K6N w - - 0 1 KRRBKB 28 7b/8/3R4/4RB2/5k2/8/8/K7 w - - 0 1 KNPK 27 8/7N/8/8/8/5k2/7P/K7 w - - 0 1 KQRBKB 27 8/8/8/8/8/2kb4/Q7/RKB5 w - - 0 1 KQRNKB 27 8/8/8/4b3/5Q2/3kN3/7R/K7 w - - 0 1 KRKP 26 8/8/K7/3p4/8/3k4/4R3/8 w - - 0 1 KBBBKB 26 8/8/7b/8/8/5k2/2B5/1B1KB3 w - - 0 1 KQQQKP 26 k7/5Q2/8/4Q3/8/8/1p1Q4/2K5 w - - 0 1 KBPPK 25 B7/1K6/8/8/8/3k3P/7P/8 w - - 0 1 KNNNKR 25 8/8/8/6r1/8/8/5N2/KNk3N1 w - - 0 1

KPKQB 24 qk6/6P1/6b1/1K6/8/8/8/8 w - - 0 1 KQKQN 24 3q4/2n5/8/8/8/8/6Q1/k2K4 w - - 0 1 KQKQB 24 8/2b5/8/8/8/8/k2K1Q2/q7 w - - 0 1 KBBBKQ 24 8/8/8/8/6B1/5B2/5k1q/B2K4 w - - 0 1 KNNNKQ 24 8/8/8/8/2NN3q/8/8/K1k3N1 w - - 0 1 KQQPKN 24 8/8/8/P2Q4/1Q6/8/2n5/K1k5 w - - 0 1 KBBKR 23 4r3/8/8/8/8/8/8/k1K3BB w - - 0 1 KBBKBB 23 8/8/8/8/8/4k3/7B/1Kb3bB w - - 0 1 KBBKQR 23 4r3/8/8/8/3q4/8/8/k1K3BB w - - 0 1 KBBKQB 23 8/8/8/8/8/4k3/7B/1Kb3qB w - - 0 1 KBBKRR 23 4r3/8/8/8/3r4/8/8/k1K3BB w - - 0 1 KBBKRB 23 8/8/8/8/8/4k3/7B/1Kb3rB w - - 0 1 KQBBKB 23 8/8/4B1b1/8/8/k2K4/8/1Q2B3 w - - 0 1 KBBKB 22 8/8/8/2B5/8/8/3k4/K1b4B w - - 0 1 KQQKP 22 8/8/8/3Q4/7Q/2k5/1p6/K7 w - - 0 1 KQKN 21 8/8/8/8/8/2k5/2n5/KQ6 w - - 0 1 KNNNK 21 8/8/8/8/8/8/N4k2/KN4N1 w - - 0 1 KBBKQ 21 8/8/8/1q4B1/8/3k4/6B1/K7 w - - 0 1 KRBKQ 21 1q6/8/8/8/8/8/8/k1KR2B1 w - - 0 1 KQNKN 21 8/8/8/8/3N4/2k5/1n2Q3/3K4 w - - 0 1 KQBKN 21 8/8/8/8/8/2kB4/1n2Q3/3K4 w - - 0 1 KRBKQQ 21 1q6/8/8/8/3B4/2R1q3/8/k1K5 w - - 0 1 KBBKQQ 21 8/3q4/8/8/BB6/8/3q4/K1k5 w - - 0 1 KRNKQ 20 8/8/8/8/R7/6q1/5N2/K1k5 w - - 0 1 KRKRR 20 8/8/R2r4/8/8/3k4/1r6/K7 w - - 0 1 KRKQR 20 8/8/R2q4/8/8/3k4/1r6/K7 w - - 0 1 KRNKQQ 20 8/8/8/8/R1q5/6q1/5N2/K1k5 w - - 0 1

KBBK 19 8/8/8/8/7B/8/3k4/K2B4 w - - 0 1 KRKR 19 8/8/8/8/8/1R6/6r1/K1k5 w - - 0 1 KRKQ 19 8/8/8/8/8/1R6/6q1/K1k5 w - - 0 1 KQQKN 19 8/8/8/4k3/2Q5/n7/3Q4/1K6 w - - 0 1 KRKQQ 19 8/8/8/8/8/8/1R4q1/Kqk5 w - - 0 1 KRRRKB 18 8/2R5/8/4b3/5R2/4k3/7R/K7 w - - 0 1 KQRRKB 18 8/8/8/8/6b1/3k4/8/2RKQR2 w - - 0 1 KQKB 17 8/6Q1/8/4b3/3k4/8/8/K7 w - - 0 1 KRNPK 17 6k1/6NR/7P/8/8/8/8/K7 w - - 0 1 KQNKB 17 8/8/8/4b3/8/8/N1k5/K4Q2 w - - 0 1 KQBKB 17 8/8/8/4k3/3b4/8/5Q2/K3B3 w - - 0 1 KNKPP 17 8/p1p5/8/8/8/8/8/kNK5 w - - 0 1 KQNNKB 17 8/1N6/8/7N/3bk3/8/1Q6/K7 w - - 0 1 KRK 16 8/8/8/8/8/2k5/1R6/K7 w - - 0 1 KRPK 16 8/8/1R6/2kP4/8/8/8/K7 w - - 0 1 KRNK 16 8/8/8/8/3N4/3k4/2R5/K7 w - - 0 1 KRBK 16 8/8/8/8/3B4/3k4/2R5/K7 w - - 0 1 KBBBK 16 8/8/8/3B4/3B4/3k4/3B4/3K4 w - - 0 1 KRBPK 16 8/8/8/8/BR6/kP6/8/K7 w - - 0 1 KQQBKN 16 8/8/8/8/2kB3Q/5Q2/3n4/1K6 w - - 0 1 KQQPKB 16 8/8/8/4b3/5Q2/1P1k4/Q7/K7 w - - 0 1 KRPPK 15 8/8/8/8/2kP4/8/1R1P4/K7 w - - 0 1 KRNNK 15 8/5NR1/5kN1/8/8/8/8/K7 w - - 0 1 KQQKB 15 8/8/8/8/8/3k1b2/8/2QKQ3 w - - 0 1

KRRPK 14 8/K7/8/8/5k2/4RPR1/8/8 w - - 0 1 KQQRKB 14 8/8/8/8/5R2/2k1b3/8/1QKQ4 w - - 0 1 KQQBKB 14 3Q4/8/8/8/8/2b5/Q1B5/K1k5 w - - 0 1 KQQNKB 14 3Q4/8/8/8/8/2b5/Q1N5/K1k5 w - - 0 1 KQKQ 13 8/8/8/8/8/8/8/qk1K2Q1 w - - 0 1 KPKQQ 13 qk4q1/5P2/8/1K6/8/8/8/8 w - - 0 1 KQKQQ 13 8/8/8/8/8/8/3q4/qk1K2Q1 w - - 0 1 KQQNKN 13 N6Q/8/8/8/4k3/1n6/3Q4/K7 w - - 0 1 KQNNKN 13 8/N7/8/8/8/2k5/2nN4/KQ6 w - - 0 1 KRBBK 12 8/8/8/8/3B4/3k4/2RB4/K7 w - - 0 1 KQK 10 8/8/8/5k2/8/8/1Q6/K7 w - - 0 1 KQPK 10 8/8/8/3k4/8/4P3/8/K1Q5 w - - 0 1 KRRNK 10 8/8/6R1/6Nk/6R1/8/8/K7 w - - 0 1 KRRBK 10 8/6R1/6Bk/6R1/8/8/8/K7 w - - 0 1 KNNKBN 10 7n/8/8/4b3/8/3N4/k7/1NK5 w - - 0 1

KQNK 9 8/8/5k2/8/8/8/8/KN4Q1 w - - 0 1 KQPPK 9 8/8/8/8/8/3kP3/3P4/K1Q5 w - - 0 1 KQNPK 9 NQ6/8/8/8/4k3/8/1P6/K7 w - - 0 1 KQBPK 9 8/8/8/8/8/8/k1PK4/2QB4 w - - 0 1 KBKNP 9 1B6/8/8/8/8/8/p7/k2K2n1 w - - 0 1 KNNKNN 9 7n/8/8/8/2N5/8/4N3/knK5 w - - 0 1 KQBK 8 8/5B2/5k2/8/8/8/8/KQ6 w - - 0 1 KQNNK 8 N7/N7/8/8/8/5k2/8/K1Q5 w - - 0 1 KNKBP 8 8/8/8/b7/8/p7/3N4/k1K5 w - - 0 1 KNKRP 8 8/8/8/8/3N4/p7/3r4/k1K5 w - - 0 1 KNKQP 8 8/8/8/q7/8/p7/3N4/k1K5 w - - 0 1 KQQQKN 8 Q7/8/Q7/8/1Q6/8/2n5/K1k5 w - - 0 1 KRRK 7 8/8/8/8/8/3k4/2R5/KR6 w - - 0 1 KNKP 7 8/8/8/8/p7/8/N7/k1K5 w - - 0 1 KQBNK 7 8/8/8/8/4N3/3kB3/Q7/K7 w - - 0 1 KQRPK 7 6Q1/8/8/8/8/8/6Pk/K5R1 w - - 0 1 KNNKN 7 7n/8/8/8/8/8/2NK4/1kN5 w - - 0 1 KNKNP 7 8/8/8/8/pn6/8/N7/k1K5 w - - 0 1 KNNKRN 7 7n/8/8/4r3/8/8/3N4/kNK5 w - - 0 1 KNNKQN 7 7n/8/8/8/2N5/1q6/8/k1NK4 w - - 0 1 KQRK 6 8/8/8/8/3k4/2R5/8/K6Q w - - 0 1 KQBBK 6 8/8/8/8/8/1B6/Q1B1k3/K7 w - - 0 1 KRRRK 5 8/8/8/8/4k3/5R2/R7/RK6 w - - 0 1 KQRNK 5 Q7/N7/8/8/8/8/3k4/K1R5 w - - 0 1 KQRBK 5 1Q6/8/8/8/3B4/3k4/2R5/K7 w - - 0 1 KNNKRB 5 8/8/8/8/1N6/1r6/1b6/1k1K1N2 w - - 0 1 KQQQKB 5 5Q2/8/8/8/3b4/5Q2/Q7/K1k5 w - - 0 1

KQQK 4 1Q6/Q7/8/8/8/5k2/8/K7 w - - 0 1 KQRRK 4 5Q2/5R2/8/8/8/3k4/4R3/K7 w - - 0 1 KQQPK 4 3Q4/3Q4/8/8/8/3P4/8/K1k5 w - - 0 1 KQQNK 4 1Q6/2N5/1Q6/8/8/8/4k3/K7 w - - 0 1 KQQBK 4 3Q3Q/8/8/8/3B4/8/4k3/K7 w - - 0 1 KQQRK 4 8/8/8/8/4k3/8/1K6/QR1Q4 w - - 0 1 KNNKB 4 8/8/8/8/1N6/8/1b6/k1NK4 w - - 0 1 KBKPP 4 8/8/8/1p6/8/8/p7/k2KB3 w - - 0 1 KNNKQB 4 8/8/8/8/1N6/1q6/1b6/k1NK4 w - - 0 1 KNNKBB 4 8/8/8/8/8/3N4/k7/bNK3b1 w - - 0 1 KQQQK 3 8/8/1Q6/Q7/1Q6/8/8/K4k2 w - - 0 1 KNNKR 3 8/8/8/8/3N4/r7/8/k1K1N3 w - - 0 1 KBKBP 3 8/8/8/8/8/8/p7/kbBK4 w - - 0 1 KNNKQR 3 8/8/8/8/3N4/r7/2q5/k1K1N3 w - - 0 1 KNNKRR 3 8/8/8/8/3N4/r7/2r5/k1K1N3 w - - 0 1 KBKBN 2 8/8/8/8/2n5/8/b7/k1K1B3 w - - 0 1 KBKBB 2 8/8/8/8/8/8/b7/k1K1b1B1 w - - 0 1 KBKRP 2 8/8/8/8/8/8/p2r3B/k1K5 w - - 0 1 KBKRB 2 8/8/8/8/8/8/b2r3B/k1K5 w - - 0 1 KBKQP 2 8/8/8/8/8/8/p3q3/k1K1B3 w - - 0 1 KBKQB 2 8/8/8/8/8/8/b3q3/k1K1B3 w - - 0 1

KNNK 1 8/8/8/8/8/4N3/3N4/K1k5 w - - 0 1 KNKN 1 8/8/8/8/8/8/n1K5/k1N5 w - - 0 1 KNKB 1 8/8/8/8/8/8/b7/k1K1N3 w - - 0 1 KNKR 1 8/8/8/8/8/8/r2N4/k1K5 w - - 0 1 KBKP 1 8/8/8/8/8/8/p7/k1K1B3 w - - 0 1 KBKN 1 8/8/8/8/8/8/n1K5/k1B5 w - - 0 1 KBKB 1 8/8/8/8/8/8/b7/k1K1B3 w - - 0 1 KNNKQ 1 8/8/8/8/8/4N3/3N4/K1k1q3 w - - 0 1 KNKNN 1 8/8/8/8/n7/kn6/8/NK6 w - - 0 1 KNKBN 1 8/8/8/8/b7/kn6/8/NK6 w - - 0 1 KNKBB 1 8/8/8/8/8/N7/b7/k1K1b3 w - - 0 1 KNKRN 1 8/8/8/8/8/8/2rN4/K1kn4 w - - 0 1 KNKRB 1 8/8/8/8/8/8/2rN4/K1kb4 w - - 0 1 KNKRR 1 8/8/8/8/8/8/2rN4/K1kr4 w - - 0 1 KNKQN 1 8/8/8/8/q7/kn6/8/NK6 w - - 0 1 KNKQB 1 8/8/8/8/8/8/b1q5/k1K1N3 w - - 0 1 KNKQR 1 8/8/8/8/8/8/2rN4/K1kq4 w - - 0 1 KBKNN 1 8/8/8/8/8/8/n1K5/knB5 w - - 0 1 KBKRN 1 8/8/8/8/8/8/n1K5/k1Br4 w - - 0 1 KBKQN 1 8/8/8/8/8/8/n1K5/k1B1q3 w - - 0 1 KNNKQQ 1 8/8/8/8/8/4N3/3N4/K1k1qq2 w - - 0 1

KNK - - KBK - - KNKQ - - KBKR - - KBKQ - - KNKQQ - - KBKRR - - KBKQR - - KBKQQ - -

4
  • The endgames.pgn file mentioned in my question is a strictly better source when it comes to finding a longest endgame. I am interested in all (!) longest endgames rather than just one. Feb 3, 2022 at 23:56
  • @WilfredMontoya What do you mean "one"? I have listed literally all of them for up to 6 pieces (minus 5 to 1). Feb 4, 2022 at 17:29
  • Take KRNvKNN for example. You provided exactly one endgame (6k1/5n2/8/8/8/5n2/1RK5/1N6 w - - 0 1), which is indeed a longest endgame for the given piece configuration. But your list has to be incomplete since we can mirror this position and get another longest endgame, for example (1k6/2n5/8/8/8/2n5/5KR1/6N1 w - - 0 1). For any given piece configuration I'd like to know all longest endgames. Feb 6, 2022 at 20:02
  • @WilfredMontoya That seems rather arbitrary, but alrighty. Good luck with your endeavor. Feb 6, 2022 at 20:26

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct.

Not the answer you're looking for? Browse other questions tagged or ask your own question.