[ Test Suite pet | Hossa ]
Positions 41 - 50
![[Diagram of position #41]](diagrams/pet41.png)
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Black to move
FEN : 1r6/4k3/r2p2p1/2pR1p1p/2P1pP1P/pPK1P1P1/P7/1B6 b - -
Best Move : Rxb3+
Position ID: "PET041: RR vs RB"
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depth value time nodes pv
1 +2.35 0.00 2 1... Kf6
<1> +2.35 0.00 45 1... Kf6
2 +2.14 0.00 78 1... Kf6 2.d5d2
<2> +2.14 0.00 226 1... Kf6 2.d5d2
3 +2.27 0.00 354 1... Kf6 2.d5d2 a6b6
<3> +2.27 0.00 581 1... Kf6 2.d5d2 a6b6
4 +2.24 0.00 988 1... Kf6 2.d5d1 a6b6 3.b1c2
<4> +2.24 0.01 2715 1... Kf6 2.d5d1 a6b6 3.b1c2
5 +2.24 0.01 3184 1... Kf6 2.d5d1 a6b6 3.b1c2 b8b7
<5> +2.24 0.01 4874 1... Kf6 2.d5d1 a6b6 3.b1c2 b8b7
6 +2.27 0.01 6229 1... Kf6 2.d5d1 a6b6 3.b1c2 b8b7
4.c2b1 b7b8 5.b1c2 b8b7 6.c2b1 b7b8
7.b1c2
<6> +2.27 0.03 9010 1... Kf6 2.d5d1 a6b6 3.b1c2 b8b7
4.c2b1 b7b8 5.b1c2 b8b7 6.c2b1 b7b8
7.b1c2 b8b7 8.c2b1 b7b8 9.b1c2 b8b7
7 +2.27 0.03 12830 1... Kf6 2.d5d1 a6c6 3.b1c2 c6b6
4.c2b1 b8b7
<7> +2.27 0.04 17199 1... Kf6 2.d5d1 a6c6 3.b1c2 c6b6
4.c2b1 b8b7
8 +2.24 0.06 22045 1... Kf6 2.d5d1 a6c6 3.b1c2 c6b6
4.c2b1 b8b7 5.b1c2 b7b8 6.c2b1 b8b7
7.b1c2 b7b8 8.c2b1
<8> +2.24 0.07 33414 1... Kf6 2.d5d1 a6c6 3.b1c2 c6b6
4.c2b1 b8b7 5.b1c2 b7b8 6.c2b1 b8b7
7.b1c2 b7b8 8.c2b1 b8b7 9.b1c2 b7b8
10.c2b1 b8b7
9 +2.24 0.10 41995 1... Kf6 2.d5d1 a6c6 3.b1c2 c6b6
4.d1d2 b8b7 5.c2d1 b7b8 6.d1e2
<9> +2.24 0.12 55958 1... Kf6 2.d5d1 a6c6 3.b1c2 c6b6
4.d1d2 b8b7 5.c2d1 b7b8 6.d1e2
10 +2.22 0.25 122022 1... Kf6 2.b1c2 a6c6 3.d5d1 c6b6
4.d1d2
<10> +2.22 0.43 232376 1... Kf6 2.b1c2 a6c6 3.d5d1 c6b6
4.d1d2
11 +2.20 0.60 322383 1... Kf6 2.b1c2 a6c6 3.d5d1 c6b6
4.d1d2 b8b7 5.c2d1 Ke6 6.d1e2 b7b8
7.d2d1 Kf6
<11> +2.20 0.89 485653 1... Kf6 2.b1c2 a6c6 3.d5d1 c6b6
4.d1d2 b8b7 5.c2d1 Ke6 6.d1e2 b7b8
7.d2d1 Kf6
12 +2.20 0.98 535714 1... Kf6 2.b1c2 a6c6 3.d5d1 c6b6
4.d1d5 Ke6 5.c2d1 b8d8 6.d1e2 Kf6
7.d5d2 d8b8 8.d2d1
<12> +2.20 1.37 756508 1... Kf6 2.b1c2 a6c6 3.d5d1 c6b6
4.d1d5 Ke6 5.c2d1 b8d8 6.d1e2 Kf6
7.d5d2 d8b8 8.d2d1
13 +2.20 1.57 873797 1... Kf6 2.b1c2 a6c6 3.d5d1 c6b6
4.d1d2 b8b7 5.c2d1 Ke6 6.d2d5 b7d7
7.d1e2 Kf6 8.d5d1 d7b7
7/13 +2.21 2.37 1305969 1... Kd7 2.b1c2 Kc7 3.c2d1 a6a7
4.d5d2 Kc6 5.d1e2 a7d7 6.d2d1 d5
7.c4xd5 d7xd5 8.d1c1 d5d7 9.Kc4
<13> +2.21 2.42 1332533 1... Kd7 2.b1c2 Kc7 3.c2d1 a6a7
4.d5d2 Kc6 5.d1e2 a7d7 6.d2d1 d5
7.c4xd5 d7xd5 8.d1c1 d5d7 9.Kc4
14 +2.21 3.34 1833052 1... Kd7 2.b1c2 a6a7 3.c2d1 Kc6
4.d5d2 a7b7 5.d1e2 b8d8 6.d2d5 d8d7
7.d5d1 d5 8.c4xd5 d7xd5
<14> +2.21 3.60 1976357 1... Kd7 2.b1c2 a6a7 3.c2d1 Kc6
4.d5d2 a7b7 5.d1e2 b8d8 6.d2d5 d8d7
7.d5d1 d5 8.c4xd5 d7xd5
15 +2.21 4.23 2317922 1... Kd7 2.b1c2 a6a7 3.c2d1 Kc6
4.d5d2 a7d7 5.d1e2 b8d8 6.d2d5 d7c7
7.d5d2 c7b7
<15> +2.21 4.75 2594070 1... Kd7 2.b1c2 a6a7 3.c2d1 Kc6
4.d5d2 a7d7 5.d1e2 b8d8 6.d2d5 d7c7
7.d5d2 c7b7
16 +2.25 7.39 3925951 1... Kd7 2.b1c2 a6a7 3.c2d1 Kc6
4.d5d2 a7d7 5.d1e2 b8d8 6.d2d5 d7c7
7.e2d1 c7b7 8.d1c2 d8d7 9.d5d1 d5
10.c4xd5 d7xd5 11.d1c1
<16> +2.25 8.23 4379383 1... Kd7 2.b1c2 a6a7 3.c2d1 Kc6
4.d5d2 a7d7 5.d1e2 b8d8 6.d2d5 d7c7
7.e2d1 c7b7 8.d1c2 d8d7 9.d5d1 d5
10.c4xd5 d7xd5 11.d1c1
17 +2.25 10.04 5362204 1... Kd7 2.b1c2 a6a7 3.c2d1 Kc6
4.d5d2 a7d7 5.d1e2 b8d8 6.d2d5 d7c7
7.e2d1 c7b7 8.d1e2 d8d7 9.Kc2 b7b8
10.Kc3 b8d8 11.d5d2 d5
<17> +2.25 13.10 6937616 1... Kd7 2.b1c2 a6a7 3.c2d1 Kc6
4.d5d2 a7d7 5.d1e2 b8d8 6.d2d5 d7c7
7.e2d1 c7b7 8.d1e2 d8d7 9.Kc2 b7b8
10.Kc3 b8d8 11.d5d2 d5
18 +2.22 23.54 12212331 1... Kd7 2.b1c2 a6a7 3.c2d1 Kc6
4.d5d2 a7d7 5.d1e2 b8d8 6.d2d5 d7c7
7.e2d1 c7b7 8.d1e2 d8d7 9.Kc2 b7b8
10.Kc3 b8d8 11.e2d1
<18> +2.22 32.68 16815177 1... Kd7 2.b1c2 a6a7 3.c2d1 Kc6
4.d5d2 a7d7 5.d1e2 b8d8 6.d2d5 d7c7
7.e2d1 c7b7 8.d1e2 d8d7 9.Kc2 b7b8
10.Kc3 b8d8 11.e2d1
19 +2.22 41.01 21206104 1... Kd7 2.b1c2 a6a7 3.c2d1 Kc6
4.d5d2 a7d7 5.d1e2 b8d8 6.d2d5 d7c7
7.e2d1 c7b7 8.Kd2 Kb6 9.d1e2 d8d7
10.Kc3 Kc6
<19> +2.22 54.46 28150954 1... Kd7 2.b1c2 a6a7 3.c2d1 Kc6
4.d5d2 a7d7 5.d1e2 b8d8 6.d2d5 d7c7
7.e2d1 c7b7 8.Kd2 Kb6 9.d1e2 d8d7
10.Kc3 Kc6
<20> +2.22 1:00 31132974 1... Kd7 2.b1c2 a6a7 3.c2d1 Kc6
4.d5d2 a7d7 5.d1e2 b8d8 6.d2d5 d7c7
7.e2d1 c7b7 8.d1e2 d8d7
Computed move : Kd7
NPS: 518882
no solution found [:-( [27/41]!
![[Diagram of position #42]](diagrams/pet42.png)
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White to move
FEN : 8/8/5P1k/8/2K5/pr2r3/4R3/2R5 w - -
Best Move : f7
Position ID: "PET042: double rook endgame"
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depth value time nodes pv
1 +0.46 0.00 147 1.e2h2 Kg6 2.c1f1
2/1 +0.86 0.00 149 1.e2a2
<1> +0.86 0.00 222 1.e2a2
2 +0.47 0.00 264 1.e2a2 e3f3
7/2 +0.51 0.00 681 1.e2xe3 b3xe3
<2> +0.51 0.00 848 1.e2xe3 b3xe3
3 +0.87 0.00 1000 1.e2xe3 b3xe3 2.c1g1
<3> +0.87 0.00 2652 1.e2xe3 b3xe3 2.c1g1
4 +0.49 0.00 2934 1.e2xe3 b3xe3 2.c1g1 e3f3
4/4 +0.54 0.01 8865 1.f7 Kg7 2.e2xe3 b3xe3 3.Kd4
11/4 +0.79 0.03 13424 1.e2g2 e3h3 2.c1h1 h3xh1 3.Kxb3
<4> +0.79 0.03 14974 1.e2g2 e3h3 2.c1h1 h3xh1 3.Kxb3
5 +0.88 0.04 21091 1.e2g2 e3h3 2.c1g1 b3c3 3.Kd4 h3f3
<5> +0.88 0.06 31814 1.e2g2 e3h3 2.c1g1 b3c3 3.Kd4 h3f3
6 +1.01 0.09 48128 1.e2g2 e3h3 2.c1g1 b3f3 3.g2g6 Kh7
4.g6g7 Kh6 5.g1g6 Kh5
<6> +1.01 0.14 75799 1.e2g2 e3h3 2.c1g1 b3f3 3.g2g6 Kh7
4.g6g7 Kh6 5.g1g6 Kh5
7 +0.90 0.20 106658 1.e2g2 e3h3 2.c1g1 h3c3 3.Kd4 c3d3
4.Ke5 d3e3 5.Kd6 e3d3 6.Ke6 d3e3
7.Kf5 b3b4
<7> +0.90 0.32 183351 1.e2g2 e3h3 2.c1g1 h3c3 3.Kd4 c3d3
4.Ke5 d3e3 5.Kd6 e3d3 6.Ke6 d3e3
7.Kf5 b3b4
8 +0.84 0.62 341722 1.e2g2 e3h3 2.c1g1 b3c3 3.Kd4 c3d3
4.Ke5 d3e3 5.Kd6 e3d3 6.Kc5 d3c3
7.Kd6 h3f3
<8> +0.84 0.89 511087 1.e2g2 e3h3 2.c1g1 b3c3 3.Kd4 c3d3
4.Ke5 d3e3 5.Kd6 e3d3 6.Kc5 d3c3
7.Kd6 h3f3
9 +0.69 1.48 851877 1.e2g2 e3h3 2.c1g1 b3c3 3.Kd4 c3d3
4.Kc5 d3c3 5.Kb5 c3b3 6.Kc6 b3c3
7.Kd5
! 4/9 +1.26 2.34 1443985 1.f7
! 9 +2.01 2.42 1502999 1.f7
! 9 +5.01 2.73 1717054 1.f7 Kg7 2.f7f8Q Kxf8 3.c1f1 Kg7
4.e2g2 e3g3 5.f1g1 b3c3 6.Kb4 c3b3
7.Ka4 b3b8 8.g2xg3 Kf6 9.g3f3 Ke5
10.Kxa3
<9> +5.01 2.85 1784996 1.f7 Kg7 2.f7f8Q Kxf8 3.c1f1 Kg7
4.e2g2 e3g3 5.f1g1 b3c3 6.Kb4 c3b3
7.Ka4 b3b8 8.g2xg3 Kf6 9.g3f3 Ke5
10.Kxa3
10 +5.01 5.28 3259601 1.f7 Kg7 2.f7f8Q Kxf8 3.c1f1 Kg7
4.e2g2 e3g3 5.f1g1 b3c3 6.Kb4 c3b3
7.Ka4 b3b7 8.g2xg3 Kf6 9.g3f3 Ke5
10.g1e1 Kd4 11.Kxa3
<10> +5.01 6.71 4254592 1.f7 Kg7 2.f7f8Q Kxf8 3.c1f1 Kg7
4.e2g2 e3g3 5.f1g1 b3c3 6.Kb4 c3b3
7.Ka4 b3b7 8.g2xg3 Kf6 9.g3f3 Ke5
10.g1e1 Kd4 11.Kxa3
11 +5.03 9.59 6029907 1.f7 Kg7 2.f7f8Q Kxf8 3.c1f1 Kg7
4.e2g2 e3g3 5.f1g1 b3c3 6.Kb4 c3b3
7.Ka4 b3b7 8.g2xg3 Kf6 9.g3f3 Ke5
10.g1e1 Kd4 11.Kxa3 b7b8 12.f3e3
<11> +5.03 18.45 11570669 1.f7 Kg7 2.f7f8Q Kxf8 3.c1f1 Kg7
4.e2g2 e3g3 5.f1g1 b3c3 6.Kb4 c3b3
7.Ka4 b3b7 8.g2xg3 Kf6 9.g3f3 Ke5
10.g1e1 Kd4 11.Kxa3 b7b8 12.f3e3
12 +5.23 29.20 18485225 1.f7 Kg7 2.f7f8Q Kxf8 3.c1f1 Kg7
4.e2g2 Kh6 5.f1h1 e3h3 6.g2h2 b3c3
7.Kb4 c3b3 8.Ka4 Kg5 9.h2xh3 b3b7
10.Kxa3 Kf6 11.h3b3 b7a7
<12> +5.23 55.50 35194030 1.f7 Kg7 2.f7f8Q Kxf8 3.c1f1 Kg7
4.e2g2 Kh6 5.f1h1 e3h3 6.g2h2 b3c3
7.Kb4 c3b3 8.Ka4 Kg5 9.h2xh3 b3b7
10.Kxa3 Kf6 11.h3b3 b7a7
<13> +5.23 1:00 38353125 1.f7 Kg7 2.f7f8Q Kxf8 3.c1f1 Kg7
4.e2g2 Kh6 5.f1h1 e3h3 6.g2h2 b3c3
7.Kb4 c3b3 8.Ka4 Kg5 9.h2xh3 b3b7
Computed move : f7
NPS: 639218
solution found [28/42], time: 2.34, points: 23, nodes: 1443985!
![[Diagram of position #43]](diagrams/pet43.png)
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Black to move
FEN : r5k1/5pp1/1P5p/3R4/2r5/P3P3/2p2PPP/2R3K1 b - -
Best Move : Rxa3
Position ID: "PET043: double rook endgame"
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depth value time nodes pv
1 -1.53 0.00 2 1... a8xa3
<1> -1.53 0.00 31 1... a8xa3
2 -1.72 0.02 69 1... a8xa3 2.b7
<2> -1.72 0.02 282 1... a8xa3 2.b7
? 2/3 -2.68 0.02 2042 1... f6 2.d5d4 c4c5
? 3/3 -2.50 0.02 2593 1... c4c3 2.b7 a8b8 3.d5b5
? 5/3 -2.49 0.02 3167 1... c4c6 2.b7 a8b8 3.d5b5
<3> -2.49 0.03 3847 1... c4c6 2.b7 a8b8 3.d5b5
4 -2.49 0.03 5334 1... c4c6 2.b7 a8b8 3.d5b5 f6
<4> -2.49 0.03 7986 1... c4c6 2.b7 a8b8 3.d5b5 f6
5 -2.39 0.05 12731 1... c4c6 2.b7 a8b8 3.d5b5 c6c7
4.a4 b8xb7 5.b5xb7 c7xb7 6.c1xc2
<5> -2.39 0.08 24219 1... c4c6 2.b7 a8b8 3.d5b5 c6c7
4.a4 b8xb7 5.b5xb7 c7xb7 6.c1xc2
6 -2.39 0.09 30396 1... c4c6 2.b7 a8b8 3.d5b5 c6c7
4.a4 b8xb7 5.b5xb7
<6> -2.39 0.17 68692 1... c4c6 2.b7 a8b8 3.d5b5 c6c7
4.a4 b8xb7 5.b5xb7
7 -2.39 0.20 84786 1... c4c6 2.b7 a8b8 3.d5b5 c6c7
4.a4 b8xb7 5.b5xb7 c7xb7 6.c1xc2
<7> -2.39 0.25 113363 1... c4c6 2.b7 a8b8 3.d5b5 c6c7
4.a4 b8xb7 5.b5xb7 c7xb7 6.c1xc2
8 -2.04 0.37 186549 1... c4c6 2.b7 a8b8 3.d5d7 c6b6
4.d7c7 b8xb7 5.c7xc2 b6b1 6.a4
<8> -2.04 0.45 221275 1... c4c6 2.b7 a8b8 3.d5d7 c6b6
4.d7c7 b8xb7 5.c7xc2 b6b1 6.a4
9 -2.14 0.64 334351 1... c4c6 2.b7 a8b8 3.d5d7 c6b6
4.d7c7 b6xb7 5.c7xc2 b7b1 6.Kf1 b1b7
<9> -2.14 0.72 376815 1... c4c6 2.b7 a8b8 3.d5d7 c6b6
4.d7c7 b6xb7 5.c7xc2 b7b1 6.Kf1 b1b7
10 -2.02 1.11 602109 1... c4c6 2.b7 a8b8 3.d5d7 c6b6
4.d7c7 b6xb7 5.c7xc2 b7b3 6.a4 b3a3
7.c2c4 Kh7
<10> -2.02 1.55 850372 1... c4c6 2.b7 a8b8 3.d5d7 c6b6
4.d7c7 b6xb7 5.c7xc2 b7b3 6.a4 b3a3
7.c2c4 Kh7
11 -1.99 2.42 1361022 1... c4c6 2.b7 a8b8 3.d5d7 c6b6
4.d7c7 b8xb7 5.c7xc2 b6b3 6.c2c8 Kh7
7.a4 b3a3 8.c8c4 b7d7
<11> -1.99 2.73 1542610 1... c4c6 2.b7 a8b8 3.d5d7 c6b6
4.d7c7 b8xb7 5.c7xc2 b6b3 6.c2c8 Kh7
7.a4 b3a3 8.c8c4 b7d7
12 -2.08 4.94 2861400 1... c4c6 2.b7 a8b8 3.d5d7 Kf8
4.Kf1 Ke8 5.d7d2 b8xb7 6.c1xc2 c6xc2
7.d2xc2 b7b1 8.Ke2 b1a1 9.c2c8 Ke7
10.c8c3
<12> -2.08 5.55 3209908 1... c4c6 2.b7 a8b8 3.d5d7 Kf8
4.Kf1 Ke8 5.d7d2 b8xb7 6.c1xc2 c6xc2
7.d2xc2 b7b1 8.Ke2 b1a1 9.c2c8 Ke7
10.c8c3
13 -2.19 11.02 6471296 1... c4c6 2.b7 a8b8 3.d5d7 Kf8
4.Kf1 Ke8 5.d7d2 b8xb7 6.c1xc2 c6xc2
7.d2xc2 b7b1 8.Ke2 b1a1 9.c2c8 Ke7
10.c8c3 Kf6 11.Kf3
4/13 -2.13 25.06 14107802 1... Kh7 2.b7 a8b8 3.d5d7 Kg6
4.Kf1 Kf6 5.a4 Ke6 6.d7d4 c4c7
7.d4e4 Kf5 8.e4b4 c7xb7 9.b4xb7 b8xb7
10.c1xc2
<13> -2.13 25.77 14504616 1... Kh7 2.b7 a8b8 3.d5d7 Kg6
4.Kf1 Kf6 5.a4 Ke6 6.d7d4 c4c7
7.d4e4 Kf5 8.e4b4 c7xb7 9.b4xb7 b8xb7
10.c1xc2
14 -2.18 39.87 22373661 1... Kh7 2.b7 a8b8 3.d5d7 Kg6
4.Kf1 Kf6 5.Ke2 Ke6 6.d7d2 b8xb7
7.c1xc2 c4a4 8.c2c6 Ke5 9.c6c5 Kf6
10.d2a2 b7b3 11.c5c6 Ke5
7/14 -2.08 55.09 31443777 1... a8b8 2.d5d6 Kf8 3.Kf1 Ke7
4.d6d4 c4c6 5.d4b4 c6xb6 6.b4xb6 b8xb6
7.c1xc2 b6b1 8.Ke2 b1h1 9.h3 h1a1
10.c2c3
<14> -2.08 1:00 34238081 1... a8b8 2.d5d6 Kf8 3.Kf1 Ke7
4.d6d4 c4c6 5.d4b4 c6xb6 6.b4xb6 b8xb6
7.c1xc2 b6b1 8.Ke2 b1h1 9.h3 h1a1
10.c2c3
Computed move : a8b8
NPS: 570444
no solution found [:-( [28/43]!
![[Diagram of position #44]](diagrams/pet44.png)
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White to move
FEN : 1r6/Rp2rp2/1Pp2kp1/N1Pp3p/3Pp1nP/4P1P1/R4P2/6K1 w - -
Best Move : Nxb7
Position ID: "PET044: RRN vs RRN"
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depth value time nodes pv
1 +0.22 0.00 2 1.a5b3
<1> +0.22 0.02 30 1.a5b3
2 +0.15 0.02 76 1.a5b3 e7e8
<2> +0.15 0.02 144 1.a5b3 e7e8
3 +0.27 0.02 321 1.a5b3 e7e8 2.a7a4
<3> +0.27 0.02 514 1.a5b3 e7e8 2.a7a4
4 +0.22 0.02 947 1.a5b3 e7e8 2.a7a4 Ke6
<4> +0.22 0.02 1712 1.a5b3 e7e8 2.a7a4 Ke6
5 +0.31 0.02 3294 1.a5b3 e7e8 2.a7a4 Ke6 3.Kg2
<5> +0.31 0.03 4359 1.a5b3 e7e8 2.a7a4 Ke6 3.Kg2
6 +0.27 0.03 6897 1.a5b3 e7e8 2.a7a4 Ke6 3.Kg2 f5
4.a2a1
<6> +0.27 0.03 9849 1.a5b3 e7e8 2.a7a4 Ke6 3.Kg2 f5
4.a2a1
7 +0.27 0.06 19254 1.a5b3 e7e8 2.a2a1 Ke6 3.a7a2 g4f6
4.Kg2 e8f8
<7> +0.27 0.08 24591 1.a5b3 e7e8 2.a2a1 Ke6 3.a7a2 g4f6
4.Kg2 e8f8
8 +0.27 0.09 36306 1.a5b3 e7e8 2.a2a1 Ke6 3.a7a2 g4f6
4.Kg2 e8f8 5.f4
<8> +0.27 0.11 41529 1.a5b3 e7e8 2.a2a1 Ke6 3.a7a2 g4f6
4.Kg2 e8f8 5.f4
9 +0.26 0.16 67386 1.a5b3 e7e8 2.a2a1 Ke6 3.a7a2 g4f6
4.Kg2 e8f8 5.b3d2 b8c8
<9> +0.26 0.17 79464 1.a5b3 e7e8 2.a2a1 Ke6 3.a7a2 g4f6
4.Kg2 e8f8 5.b3d2 b8c8
10 +0.27 0.42 209442 1.a5b3 e7e8 2.a2a1 Ke6 3.a7a2 g4f6
4.Kg2 e8f8 5.b3d2 b8c8 6.d2b3 Kf5
<10> +0.27 0.45 222016 1.a5b3 e7e8 2.a2a1 Ke6 3.a7a2 g4f6
4.Kg2 e8f8 5.b3d2 b8c8 6.d2b3 Kf5
11 +0.26 0.59 299097 1.a5b3 e7e8 2.a2a1 Ke6 3.a7a2 g4f6
4.Kg2 e8f8 5.b3d2 b8c8 6.Kh3 Kf5
7.Kg2
<11> +0.26 0.72 364932 1.a5b3 e7e8 2.a2a1 Ke6 3.a7a2 g4f6
4.Kg2 e8f8 5.b3d2 b8c8 6.Kh3 Kf5
7.Kg2
12 +0.26 0.97 500559 1.a5b3 e7e8 2.a2a1 Ke6 3.a7a2 g4f6
4.Kg2 e8g8 5.b3c1 g5 6.h4xg5 g8xg5
7.c1e2 b8g8
<12> +0.26 1.13 591423 1.a5b3 e7e8 2.a2a1 Ke6 3.a7a2 g4f6
4.Kg2 e8g8 5.b3c1 g5 6.h4xg5 g8xg5
7.c1e2 b8g8
13 +0.15 2.72 1423144 1.a5b3 Ke6 2.Kg2 f6 3.Kh3 g5
4.b3a5 g5xh4 5.Kxh4 g4h2 6.a5b3 h2f3
7.Kh3 b8g8 8.a7a4
<13> +0.15 3.72 1969692 1.a5b3 Ke6 2.Kg2 f6 3.Kh3 g5
4.b3a5 g5xh4 5.Kxh4 g4h2 6.a5b3 h2f3
7.Kh3 b8g8 8.a7a4
14 +0.13 6.56 3482611 1.a5b3 Ke6 2.Kg2 f6 3.a7a8 e7e8
4.a8xb8 e8xb8 5.a2a7 Kd7 6.a7a4 b8h8
7.a4a3 f5 8.a3a2 Ke6
<14> +0.13 7.95 4244430 1.a5b3 Ke6 2.Kg2 f6 3.a7a8 e7e8
4.a8xb8 e8xb8 5.a2a7 Kd7 6.a7a4 b8h8
7.a4a3 f5 8.a3a2 Ke6
15 +0.14 9.33 5023183 1.a5b3 Ke6 2.Kg2 f6 3.a7a8 e7e8
4.a8xb8 e8xb8 5.a2a7 Kd7 6.a7a1 g5
7.a1h1 b8h8 8.b3a5 Kc8 9.h1a1 g5xh4
10.g3xh4
<15> +0.14 10.58 5736128 1.a5b3 Ke6 2.Kg2 f6 3.a7a8 e7e8
4.a8xb8 e8xb8 5.a2a7 Kd7 6.a7a1 g5
7.a1h1 b8h8 8.b3a5 Kc8 9.h1a1 g5xh4
10.g3xh4
16 +0.11 19.19 10453514 1.a5b3 Ke6 2.Kg2 f6 3.a7a8 e7e8
4.a8a4 g5 5.Kh3 e8d8 6.b3c1 Ke7
7.a4a3 Ke6 8.a3a7
3/16 +0.14 26.63 14356314 1.Kg2 Ke6 2.a2a1 f6 3.a1h1 e7f7
4.a5b3 g5 5.a7a2 b8f8 6.b3c1 f7h7
7.c1e2 g4h6 8.h1a1 h6f5 9.Kh3 g5xh4
<16> +0.14 29.53 15888479 1.Kg2 Ke6 2.a2a1 f6 3.a1h1 e7f7
4.a5b3 g5 5.a7a2 b8f8 6.b3c1 f7h7
7.c1e2 g4h6 8.h1a1 h6f5 9.Kh3 g5xh4
17 +0.20 34.31 18519442 1.Kg2 Ke6 2.a2a1 f6 3.a5xb7 b8xb7
4.a7xb7 e7xb7 5.a1a7 b7b8 6.a7c7 Kf5
7.c7xc6 g4h6 8.c6d6 h6f7 9.d6d7 Ke6
10.d7a7 b8c8 11.a7a2
<17> +0.20 39.59 21377180 1.Kg2 Ke6 2.a2a1 f6 3.a5xb7 b8xb7
4.a7xb7 e7xb7 5.a1a7 b7b8 6.a7c7 Kf5
7.c7xc6 g4h6 8.c6d6 h6f7 9.d6d7 Ke6
10.d7a7 b8c8 11.a7a2
18 +0.20 44.28 24045760 1.Kg2 Ke6 2.a2a1 f6 3.a5xb7 b8xb7
4.a7xb7 e7xb7 5.a1a7 b7b8 6.a7c7 Kf5
7.c7xc6 g4h6 8.c6d6 h6f7 9.d6d7 Ke6
10.d7a7 f5 11.Kh3 b8c8 12.Kg2
<18> +0.20 57.47 31002959 1.Kg2 Ke6 2.a2a1 f6 3.a5xb7 b8xb7
4.a7xb7 e7xb7 5.a1a7 b7b8 6.a7c7 Kf5
7.c7xc6 g4h6 8.c6d6 h6f7 9.d6d7 Ke6
10.d7a7 f5 11.Kh3 b8c8 12.Kg2
<19> +0.20 1:00 32360959 1.Kg2 Ke6 2.a2a1 f6 3.a5xb7 b8xb7
Computed move : Kg2
NPS: 539349
no solution found [:-( [28/44]!
![[Diagram of position #45]](diagrams/pet45.png)
|
White to move
FEN : 5k2/4p3/3p2Q1/3Pq1pP/5pP1/2P4K/8/8 w - -
Best Move : Qf5+
Position ID: "PET045: Queen endgame"
|
depth value time nodes pv
1 -1.43 0.00 17 1.g6h7 e5xd5
3/1 +0.06 0.00 27 1.c4
5/1 +0.18 0.00 32 1.g6d3
<1> +0.18 0.01 101 1.g6d3
2 -0.12 0.01 141 1.g6d3 e6
<2> -0.12 0.01 485 1.g6d3 e6
3 -0.18 0.01 594 1.g6d3 e6 2.d5xe6 e5xe6
2/3 -0.17 0.01 1401 1.g6h6 Ke8 2.h6g6 Kd7 3.g6d3 e6
<3> -0.17 0.01 1789 1.g6h6 Ke8 2.h6g6 Kd7 3.g6d3 e6
4 -0.28 0.03 4321 1.g6h6 e5g7 2.h6xg7 Kxg7 3.Kg2 Kf7
4.Kf3 e5
2/4 +0.00 0.03 5001 1.g6d3 Kg7 2.d3g6 Kf8 3.g6h6 e5g7
4.h6xg7 Kxg7 5.Kg2 Kf7 6.Kf3 e5
<4> +0.00 0.03 5707 1.g6d3 Kg7 2.d3g6 Kf8 3.g6h6 e5g7
4.h6xg7 Kxg7 5.Kg2 Kf7 6.Kf3 e5
5 -0.04 0.04 10743 1.g6d3 e5e3 2.d3xe3 f4xe3 3.Kg3 e2
4.Kf2
2/5 -0.02 0.06 14703 1.g6h6 e5g7 2.h6xg7 Kxg7 3.Kg2 Kh7
4.Kf3 Kg7 5.Ke4
<5> -0.02 0.06 15708 1.g6h6 e5g7 2.h6xg7 Kxg7 3.Kg2 Kh7
4.Kf3 Kg7 5.Ke4
6 -0.08 0.09 29528 1.g6h6 Ke8 2.h6g6 Kd8 3.g6d3 e6
4.d5xe6 e5xe6 5.d3f3 e6a2
2/6 -0.03 0.10 34362 1.g6d3 e6 2.d5xe6 e5xe6 3.d3f3 e6e3
4.f3xe3 f4xe3
<6> -0.03 0.10 38603 1.g6d3 e6 2.d5xe6 e5xe6 3.d3f3 e6e3
4.f3xe3 f4xe3
7 -0.18 0.14 48855 1.g6d3 e6 2.d5xe6 e5xe6 3.d3f3 Kg7
4.f3b7 Kh6 5.b7f3
2/7 +0.00 0.18 75031 1.g6h6 Ke8 2.h6g6 Kf8 3.g6d3 e6
4.d5xe6 e5xe6 5.d3f3 d5 6.Kg2
<7> +0.00 0.20 85243 1.g6h6 Ke8 2.h6g6 Kf8 3.g6d3 e6
4.d5xe6 e5xe6 5.d3f3 d5 6.Kg2
8 +0.00 0.31 141542 1.g6h6 Ke8 2.h6g6 Kf8 3.g6h6 Ke8
4.h6g6 Kf8 5.g6h6
<8> +0.00 0.34 159722 1.g6h6 Ke8 2.h6g6 Kf8 3.g6h6 Ke8
4.h6g6 Kf8 5.g6h6 Ke8 6.h6g6 Kf8
7.g6h6 Ke8
9 +0.00 0.48 240445 1.g6h6 Ke8 2.h6g6 Kf8 3.g6h6 Ke8
4.h6g6 Kf8 5.g6h6
<9> +0.00 1.12 597770 1.g6h6 Ke8 2.h6g6 Kf8 3.g6h6 Ke8
4.h6g6 Kf8 5.g6h6 Ke8 6.h6g6 Kf8
7.g6h6 Ke8
10 +0.00 1.62 891011 1.g6h6 Ke8 2.h6g6 Kf8 3.g6h6 Ke8
4.h6g6 Kf8 5.g6h6
<10> +0.00 3.06 1736347 1.g6h6 Ke8 2.h6g6 Kf8 3.g6h6 Ke8
4.h6g6 Kf8 5.g6h6 Ke8 6.h6g6 Kf8
7.g6h6 Ke8
11 +0.00 5.10 2896325 1.g6h6 Ke8 2.h6g6 Kf8 3.g6h6 Ke8
4.h6g6 Kf8 5.g6h6
<11> +0.00 10.12 5755881 1.g6h6 Ke8 2.h6g6 Kf8 3.g6h6 Ke8
4.h6g6 Kf8 5.g6h6 Ke8 6.h6g6 Kf8
7.g6h6 Ke8
12 +0.00 14.25 8167479 1.g6h6 Ke8 2.h6g6 Kf8 3.g6h6 Ke8
4.h6g6 Kf8 5.g6h6
<12> +0.00 23.48 13666692 1.g6h6 Ke8 2.h6g6 Kf8 3.g6h6 Ke8
4.h6g6 Kf8 5.g6h6 Ke8 6.h6g6 Kf8
7.g6h6 Ke8
13 +0.00 36.59 21177019 1.g6h6 Ke8 2.h6g6 Kf8 3.g6h6 Ke8
4.h6g6 Kf8 5.g6h6
<13> +0.00 1:00 34616780 1.g6h6 Ke8 2.h6g6 Kf8 3.g6h6 Ke8
4.h6g6 Kf8 5.g6h6 Ke8 6.h6g6 Kf8
7.g6h6 Ke8
Computed move : g6h6
NPS: 576850
no solution found [:-( [28/45]!
![[Diagram of position #46]](diagrams/pet46.png)
|
White to move
FEN : 8/8/1P1k2p1/8/5P1p/4Qb2/1q4PK/8 w - -
Best Move : Qe5+
Position ID: "PET046: Q+B vs Q"
|
depth value time nodes pv
1 -0.09 0.00 3 1.e3xf3 b2xb6
12/1 +0.03 0.00 110 1.e3e5 b2xe5 2.f4xe5 Kxe5 3.g2xf3
<1> +0.03 0.00 163 1.e3e5 b2xe5 2.f4xe5 Kxe5 3.g2xf3
2 +0.03 0.00 267 1.e3e5 b2xe5 2.f4xe5 Kxe5 3.g2xf3
<2> +0.03 0.00 597 1.e3e5 b2xe5 2.f4xe5 Kxe5 3.g2xf3
3 +0.27 0.00 894 1.e3e5 b2xe5 2.f4xe5 Kxe5 3.g2xf3 Kd6
4.Kh3
<3> +0.27 0.02 1711 1.e3e5 b2xe5 2.f4xe5 Kxe5 3.g2xf3 Kd6
4.Kh3
4 +0.24 0.02 2512 1.e3e5 b2xe5 2.f4xe5 Kxe5 3.g2xf3 Kd6
4.Kh3 g5
<4> +0.24 0.03 4826 1.e3e5 b2xe5 2.f4xe5 Kxe5 3.g2xf3 Kd6
4.Kh3 g5
5 +0.00 0.03 6965 1.e3e5 b2xe5 2.f4xe5 Kxe5 3.g2xf3 Kd6
4.Kh3 g5 5.f4 g5xf4 6.Kxh4
3/5 +0.56 0.05 12756 1.e3xf3 b2xb6 2.Kh3 b6b1 3.f3a3 Ke6
4.Kxh4
<5> +0.56 0.05 14930 1.e3xf3 b2xb6 2.Kh3 b6b1 3.f3a3 Ke6
4.Kxh4
6 +0.94 0.08 26709 1.e3xf3 b2xb6 2.Kh3 b6c7 3.Kxh4 c7e7
4.Kg4 e7e1
<6> +0.94 0.11 39956 1.e3xf3 b2xb6 2.Kh3 b6c7 3.Kxh4 c7e7
4.Kg4 e7e1
7 +0.94 0.14 64491 1.e3xf3 b2xb6 2.Kh3 b6c7 3.Kxh4 c7e7
4.Kg4 e7e6 5.Kg3 e6e1 6.Kg4
! 4/7 +1.36 0.22 105162 1.e3e5
! 7 +1.98 0.22 113995 1.e3e5 b2xe5 2.f4xe5 Kxe5 3.g2xf3 Kd6
4.f4 Kc6 5.Kh3 Kb7 6.Kxh4 Kc6
<7> +1.98 0.24 120053 1.e3e5 b2xe5 2.f4xe5 Kxe5 3.g2xf3 Kd6
4.f4 Kc6 5.Kh3 Kb7 6.Kxh4 Kc6
! 8 +2.40 0.27 133699 1.e3e5
! 8 +3.15 0.28 151820 1.e3e5
! 8 +3.16 0.30 171202 1.e3e5 b2xe5 2.f4xe5 Kc6 3.g2xf3 Kxb6
4.f4 Kc6 5.Kh3 Kd7 6.Kxh4 Ke7
7.Kg5 Kf7 8.e6 Kg7
<8> +3.16 0.39 220993 1.e3e5 b2xe5 2.f4xe5 Kc6 3.g2xf3 Kxb6
4.f4 Kc6 5.Kh3 Kd7 6.Kxh4 Ke7
7.Kg5 Kf7 8.e6 Kg7
! 9 +3.58 0.42 243855 1.e3e5
! 9 +3.87 0.47 287610 1.e3e5 b2xe5 2.f4xe5 Kc6 3.g2xf3 Kxb6
4.f4 Kc6 5.Kh3 Kd7 6.Kxh4 Ke7
7.Kg5 Kf7 8.e6 Kf8 9.Kxg6 Ke7
<9> +3.87 0.91 557541 1.e3e5 b2xe5 2.f4xe5 Kc6 3.g2xf3 Kxb6
4.f4 Kc6 5.Kh3 Kd7 6.Kxh4 Ke7
7.Kg5 Kf7 8.e6 Kf8 9.Kxg6 Ke7
! 10 +4.29 0.97 602094 1.e3e5
! 10 +4.20 1.03 654179 1.e3e5 b2xe5 2.f4xe5 Kc6 3.g2xf3 Kxb6
4.f4 Kc6 5.Kh3 g5 6.f4xg5 Kd7
7.Kxh4 Ke6 8.Kg4 Kf7 9.Kf5 Ke7
<10> +4.20 3.02 1932739 1.e3e5 b2xe5 2.f4xe5 Kc6 3.g2xf3 Kxb6
4.f4 Kc6 5.Kh3 g5 6.f4xg5 Kd7
7.Kxh4 Ke6 8.Kg4 Kf7 9.Kf5 Ke7
! 11 +4.62 3.16 2033488 1.e3e5
! 11 +5.37 3.24 2113690 1.e3e5
! 11 +8.57 3.41 2242731 1.e3e5
<11> +8.57 3.41 2242731 1.e3e5
Computed move : e3e5
NPS: 657692
solution found [29/46], time: 0.22, points: 25, nodes: 105162!
![[Diagram of position #47]](diagrams/pet47.png)
|
Black to move
FEN : 8/p4k2/1p1p1qp1/1P1P4/P5P1/7P/4Q1K1/2b5 b - -
Avoid Move : Qb2
Position ID: "PET047: Q+B vs Q"
|
depth value time nodes pv
1 +3.16 0.02 2 1... f6a1
24/1 +3.24 0.02 49 1... f6b2
<1> +3.24 0.02 89 1... f6b2
2 +3.24 0.02 128 1... f6b2 2.Kf3 b2xe2 3.Kxe2
<2> +3.24 0.02 382 1... f6b2 2.Kf3 b2xe2 3.Kxe2
3 +3.32 0.02 609 1... f6b2 2.e2xb2 c1xb2
<3> +3.32 0.02 1063 1... f6b2 2.e2xb2 c1xb2
4 +3.29 0.02 1559 1... f6b2 2.e2xb2 c1xb2 3.Kf3 Kf6
<4> +3.29 0.03 3331 1... f6b2 2.e2xb2 c1xb2 3.Kf3 Kf6
5 +3.20 0.03 3729 1... f6b2 2.e2xb2 c1xb2 3.Kf3 Kf6
4.Ke4
<5> +3.20 0.05 10030 1... f6b2 2.e2xb2 c1xb2 3.Kf3 Kf6
4.Ke4
6 +3.26 0.07 19496 1... f6b2 2.e2xb2 c1xb2 3.Kf3 Kf6
4.Ke4 b2c3
<6> +3.26 0.10 31058 1... f6b2 2.e2xb2 c1xb2 3.Kf3 Kf6
4.Ke4 b2c3
7 +3.29 0.10 35400 1... f6b2 2.e2xb2 c1xb2 3.Kf3 Kf6
4.Ke4 g5 5.Kf3
<7> +3.29 0.16 67037 1... f6b2 2.e2xb2 c1xb2 3.Kf3 Kf6
4.Ke4 g5 5.Kf3
8 +3.35 0.22 100202 1... f6b2 2.e2xb2 c1xb2 3.Kf3 Kf6
4.Kf4 g5 5.Ke4 b2c3 6.Kf3
<8> +3.35 0.30 137067 1... f6b2 2.e2xb2 c1xb2 3.Kf3 Kf6
4.Kf4 g5 5.Ke4 b2c3 6.Kf3
9 +3.27 0.33 162530 1... f6b2 2.e2xb2 c1xb2 3.g5 b2c1
4.h4 c1d2 5.Kf3 d2e1 6.Kg4
<9> +3.27 0.77 398507 1... f6b2 2.e2xb2 c1xb2 3.g5 b2c1
4.h4 c1d2 5.Kf3 d2e1 6.Kg4
10 +3.32 0.86 455079 1... f6b2 2.e2xb2 c1xb2 3.g5 b2c1
4.h4 c1d2 5.Kf3 d2e1 6.Kg4 e1f2
7.h5
<10> +3.32 1.35 730196 1... f6b2 2.e2xb2 c1xb2 3.g5 b2c1
4.h4 c1d2 5.Kf3 d2e1 6.Kg4 e1f2
7.h5
11 +3.24 1.49 818414 1... f6b2 2.e2xb2 c1xb2 3.g5 b2c1
4.h4 c1d2 5.Kf3 d2b4 6.Ke2 b4c3
7.Kd3 c3e5
<11> +3.24 5.44 2999620 1... f6b2 2.e2xb2 c1xb2 3.g5 b2c1
4.h4 c1d2 5.Kf3 d2b4 6.Ke2 b4c3
7.Kd3 c3e5
12 +3.21 6.21 3445305 1... f6b2 2.e2xb2 c1xb2 3.g5 Kg7
4.Kf3 b2c3 5.Kf4 Kf7 6.Kf3 c3h8
7.Ke4 h8c3 8.h4
4/12 +3.34 28.30 15422286 1... Kg7 2.e2c4 c1e3 3.c4c7 Kh6
4.c7c2 f6e5 5.Kf3 e3g5 6.c2a2 e5f4
7.Kg2 f4e4 8.Kf2 e4e3 9.Kg2 e3e1
<12> +3.34 28.97 15821262 1... Kg7 2.e2c4 c1e3 3.c4c7 Kh6
4.c7c2 f6e5 5.Kf3 e3g5 6.c2a2 e5f4
7.Kg2 f4e4 8.Kf2 e4e3 9.Kg2 e3e1
13 +3.64 44.24 24162641 1... Kg7 2.e2c4 c1e3 3.c4c2 Kh6
4.c2e2 f6d4 5.e2f3 d4d2 6.Kf1 e3f4
7.f3b3 f4e5 8.Kg1 Kg7
<13> +3.64 45.10 24696805 1... Kg7 2.e2c4 c1e3 3.c4c2 Kh6
4.c2e2 f6d4 5.e2f3 d4d2 6.Kf1 e3f4
7.f3b3 f4e5 8.Kg1 Kg7
<14> +3.64 1:00 32879089 1... Kg7 2.e2c4 c1e3 3.c4c2 f6f4
4.c2e2 Kf6 5.e2f3 Ke5 6.h4 f4xf3
7.Kxf3 e3h6 8.h5 g6xh5 9.g4xh5 Kxd5
10.Kg4
Computed move : Kg7
NPS: 547802
solution found [30/47], time: 28.30, points: 14, nodes: 15821262!
![[Diagram of position #48]](diagrams/pet48.png)
|
White to move
FEN : 6qk/1p4pn/8/3p4/2P5/p3P1P1/P1Q3K1/1B6 w - -
Avoid Move : Qxh7+
Position ID: "PET048: Q+B vs Q+N"
|
depth value time nodes pv
1 +0.09 0.00 10 1.c4xd5 g8xd5 2.e4
23/1 +2.21 0.00 66 1.c2xh7 g8xh7 2.b1xh7 d5xc4
<1> +2.21 0.00 68 1.c2xh7 g8xh7 2.b1xh7 d5xc4
2 +2.49 0.00 217 1.c2xh7 g8xh7 2.b1xh7 d5xc4 3.h7g6
<2> +2.49 0.00 348 1.c2xh7 g8xh7 2.b1xh7 d5xc4 3.h7g6
3 +2.43 0.02 843 1.c2xh7 g8xh7 2.b1xh7 d5xc4 3.h7e4 b5
4.Kf3
<3> +2.43 0.02 1196 1.c2xh7 g8xh7 2.b1xh7 d5xc4 3.h7e4 b5
4.Kf3
4 +2.27 0.02 2193 1.c2xh7 g8xh7 2.b1xh7 d5xc4 3.h7c2 Kg8
4.c2g6
<4> +2.27 0.03 3461 1.c2xh7 g8xh7 2.b1xh7 d5xc4 3.h7c2 Kg8
4.c2g6
5 +2.43 0.03 7263 1.c2xh7 g8xh7 2.b1xh7 d5xc4 3.h7e4 b6
4.Kf3 b5
<5> +2.43 0.05 9589 1.c2xh7 g8xh7 2.b1xh7 d5xc4 3.h7e4 b6
4.Kf3 b5
6 +2.23 0.07 17822 1.c2xh7 g8xh7 2.b1xh7 d5xc4 3.h7e4 c3
4.Kf3 Kg8 5.Kf2 b6 6.e4c2
<6> +2.23 0.08 30945 1.c2xh7 g8xh7 2.b1xh7 d5xc4 3.h7e4 c3
4.Kf3 Kg8 5.Kf2 b6 6.e4c2
7 +2.13 0.11 51768 1.c2xh7 g8xh7 2.b1xh7 d5xc4 3.h7e4 c3
4.e4c2 Kg8 5.e4 b5 6.e5 b4
<7> +2.13 0.19 86993 1.c2xh7 g8xh7 2.b1xh7 d5xc4 3.h7e4 c3
4.e4c2 Kg8 5.e4 b5 6.e5 b4
8 +2.06 0.25 134573 1.c2xh7 g8xh7 2.b1xh7 d5xc4 3.h7e4 c3
4.e4g6 Kg8 5.Kf3 b5 6.g6c2 b4
7.e4
<8> +2.06 0.35 182371 1.c2xh7 g8xh7 2.b1xh7 d5xc4 3.h7e4 c3
4.e4g6 Kg8 5.Kf3 b5 6.g6c2 b4
7.e4
9 +2.16 0.50 291336 1.c2xh7 g8xh7 2.b1xh7 d5xc4 3.h7e4 c3
4.e4g6 Kg8 5.Kf3 b5 6.g6c2 b4
7.e4 Kf7 8.e5
<9> +2.16 0.63 364056 1.c2xh7 g8xh7 2.b1xh7 d5xc4 3.h7e4 c3
4.e4g6 Kg8 5.Kf3 b5 6.g6c2 b4
7.e4 Kf7 8.e5
10 +2.26 1.35 858341 1.c2xh7 g8xh7 2.b1xh7 d5xc4 3.h7b1 Kg8
4.Kf3 b5 5.Ke4 Kf7 6.Kd5 g6
7.Kc5 Kf6 8.Kxb5 c3
<10> +2.26 1.66 1044304 1.c2xh7 g8xh7 2.b1xh7 d5xc4 3.h7b1 Kg8
4.Kf3 b5 5.Ke4 Kf7 6.Kd5 g6
7.Kc5 Kf6 8.Kxb5 c3
? 11 -0.53 14.22 8550213 1.c2xh7 g8xh7 2.b1xh7 Kxh7 3.c4xd5 Kg6
4.d6 Kf7 5.g4 b5 6.Kf1 b4
7.Ke1 b3 8.d7 b3xa2 9.d7d8Q a2a1Q
10.Ke2 a1c3
?2/11 +0.51 31.99 18117217 1.c4xd5 g8xd5 2.e4 d5d7 3.c2d3 h7f6
4.e5 d7c6 5.d3f3 c6b5 6.e5xf6 b5xb1
7.f6xg7 Kxg7 8.f3xa3 b1c2 9.Kf3 c2d2
<11> +0.51 33.11 18759555 1.c4xd5 g8xd5 2.e4 d5d7 3.c2d3 h7f6
4.e5 d7c6 5.d3f3 c6b5 6.e5xf6 b5xb1
7.f6xg7 Kxg7 8.f3xa3 b1c2 9.Kf3 c2d2
12 +0.63 46.25 26112445 1.c4xd5 g8xd5 2.e4 d5d8 3.c2d3 d8a8
4.e5 h7g5 5.d3d5 a8c8 6.b1g6 b6
7.Kf2 g5e6 8.Ke3
<12> +0.63 47.83 27120512 1.c4xd5 g8xd5 2.e4 d5d8 3.c2d3 d8a8
4.e5 h7g5 5.d3d5 a8c8 6.b1g6 b6
7.Kf2 g5e6 8.Ke3
<13> +0.63 1:00 33677811 1.c4xd5 g8xd5 2.e4 d5d8 3.c2d3 d8xd3
4.b1xd3 h7g5 5.e5 Kg8 6.d3g6 b6
7.g4 g5e6 8.Kf3 Kf8 9.Ke4
Computed move : c4xd5
NPS: 561296
solution found [31/48], time: 31.99, points: 12, nodes: 18759555!
![[Diagram of position #49]](diagrams/pet49.png)
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White to move
FEN : 1Q6/Nn3pbp/2N2p2/1Pqk1P1P/8/8/6P1/7K w - -
Avoid Move : Qxb7
Position ID: "PET049: QNN vs QBN"
|
depth value time nodes pv
1 +5.82 0.00 2 1.b8xb7
<1> +5.82 0.00 139 1.b8xb7
2 +5.58 0.00 217 1.b8xb7 c5c1 2.Kh2
<2> +5.58 0.01 572 1.b8xb7 c5c1 2.Kh2
3 +5.65 0.01 1181 1.b8xb7 c5c1 2.Kh2 c1f4 3.Kg1 f4c1
4.Kf2
<3> +5.65 0.01 2095 1.b8xb7 c5c1 2.Kh2 c1f4 3.Kg1 f4c1
4.Kf2
? 4 +4.66 0.03 8815 1.b8xb7 c5c1 2.Kh2 c1f4 3.Kg1 f4c1
4.Kf2 c1f4 5.Ke2 f4e4 6.Kd2 e4xg2
7.Kc3
<4> +4.66 0.06 16712 1.b8xb7 c5c1 2.Kh2 c1f4 3.Kg1 f4c1
4.Kf2 c1f4 5.Ke2 f4e4 6.Kd2 e4xg2
7.Kc3
5 +4.66 0.06 19999 1.b8xb7 c5c1 2.Kh2 c1f4 3.Kg1 f4c1
4.Kf2 c1f4 5.Ke2 f4e4 6.Kd2 e4xg2
<5> +4.66 0.11 39512 1.b8xb7 c5c1 2.Kh2 c1f4 3.Kg1 f4c1
4.Kf2 c1f4 5.Ke2 f4e4 6.Kd2 e4xg2
6 +4.66 0.14 51069 1.b8xb7 c5c1 2.Kh2 c1f4 3.Kg1 f4c1
4.Kf2 c1f4 5.Ke2 f4e4 6.Kd1 e4g4
7.Kd2 g4xg2
<6> +4.66 0.25 102164 1.b8xb7 c5c1 2.Kh2 c1f4 3.Kg1 f4c1
4.Kf2 c1f4 5.Ke2 f4e4 6.Kd1 e4g4
7.Kd2 g4xg2
7 +4.52 0.33 140283 1.b8xb7 c5c1 2.Kh2 c1f4 3.Kg1 f4c1
4.Kf2 c1d2 5.Kf3 d2d3 6.Kg4 d3e4
7.Kh3 e4xf5 8.g4 f5f3 9.Kh4
<7> +4.52 0.62 289663 1.b8xb7 c5c1 2.Kh2 c1f4 3.Kg1 f4c1
4.Kf2 c1d2 5.Kf3 d2d3 6.Kg4 d3e4
7.Kh3 e4xf5 8.g4 f5f3 9.Kh4
8 +4.17 0.98 464745 1.b8xb7 c5c1 2.Kh2 c1f4 3.Kg1 f4e3
4.Kf1 e3d3 5.Kf2 d3xf5 6.Kg1 f5xh5
7.b7d7 Ke4 8.d7d4 Kf5 9.d4d5 Kg4
10.d5xh5 Kxh5
9/8 +4.22 2.45 1215676 1.b8g3 c5c1 2.Kh2 c1d1 3.g3xg7 d1xh5
4.Kg1 b7d6 5.g4 h5g5 6.g7xg5 f6xg5
7.f6
<8> +4.22 2.61 1292854 1.b8g3 c5c1 2.Kh2 c1d1 3.g3xg7 d1xh5
4.Kg1 b7d6 5.g4 h5g5 6.g7xg5 f6xg5
7.f6
9 +4.24 3.56 1786704 1.b8g3 c5c1 2.Kh2 c1d1 3.g3xg7 d1xh5
4.Kg3 b7d6 5.g7g4 d6e4 6.Kf4 h5g5
7.g4xg5 f6xg5 8.Kf3 e4d2 9.Ke3 d2c4
10.Kd3
<9> +4.24 6.03 3127810 1.b8g3 c5c1 2.Kh2 c1d1 3.g3xg7 d1xh5
4.Kg3 b7d6 5.g7g4 d6e4 6.Kf4 h5g5
7.g4xg5 f6xg5 8.Kf3 e4d2 9.Ke3 d2c4
10.Kd3
10 +4.31 7.84 4091548 1.b8g3 c5c1 2.Kh2 c1d1 3.g3xg7 d1xh5
4.Kg3 b7d6 5.g7g4 d6e4 6.Kf4 h5g5
7.g4xg5 f6xg5 8.Kf3 e4d6 9.Kg4 Ke4
10.Kxg5 d6xf5
<10> +4.31 16.12 8641545 1.b8g3 c5c1 2.Kh2 c1d1 3.g3xg7 d1xh5
4.Kg3 b7d6 5.g7g4 d6e4 6.Kf4 h5g5
7.g4xg5 f6xg5 8.Kf3 e4d6 9.Kg4 Ke4
10.Kxg5 d6xf5
11 +4.10 24.93 13182215 1.b8g3 c5c1 2.Kh2 c1d1 3.g3xg7 d1xh5
4.Kg3 b7d6 5.c6e7 Kc5 6.g7f8 h5d1
7.Kh2 d1h5 8.Kg1 h5d1 9.Kf2
<11> +4.10 1:00 32180548 1.b8g3 c5c1 2.Kh2 c1d1 3.g3xg7 d1xh5
4.Kg3 b7d6 5.c6e7 Kc5 6.g7f8 h5d1
7.Kh2 d1h5 8.Kg1 h5d1 9.Kf2
Computed move : b8g3
NPS: 536253
solution found [32/49], time: 2.45, points: 23, nodes: 1292854!
![[Diagram of position #50]](diagrams/pet50.png)
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White to move
FEN : 7k/7p/1p4p1/n2p4/1K1p3R/2NB4/3Q1P2/q1r5 w - -
Best Move : Rxh7+
Position ID: "PET050: QNBR vs QNR"
|
depth value time nodes pv
1 -0.46 0.00 2 1.c3xd5
<1> -0.46 0.00 82 1.c3xd5
? 2 -1.80 0.00 1112 1.c3xd5 a5c6 2.Kb5
<2> -1.80 0.00 1484 1.c3xd5 a5c6 2.Kb5
! 3 -1.38 0.00 2351 1.c3xd5
! 3 -1.17 0.01 3444 1.c3xd5 a5c6 2.Kb3 c1d1 3.d2c2
<3> -1.17 0.01 5052 1.c3xd5 a5c6 2.Kb3 c1d1 3.d2c2
? 2/4 -3.74 0.08 36252 1.c3a4 a5c4 2.d2h6 c1b1 3.d3xb1 a1xb1
4.a4b2 b1xb2 5.Ka4
<4> -3.74 0.11 50432 1.c3a4 a5c4 2.d2h6 c1b1 3.d3xb1 a1xb1
4.a4b2 b1xb2 5.Ka4
? 5 -4.88 0.28 149317 1.c3a4 a5c4 2.d2e2 a1a3 3.Kb5 a3b3
4.Kc6 b3xa4 5.Kxd5 a4d7 6.Ke4
<5> -4.88 0.29 149358 1.c3a4 a5c4 2.d2e2 a1a3 3.Kb5 a3b3
4.Kc6 b3xa4 5.Kxd5 a4d7 6.Ke4
6 -5.18 0.33 178063 1.c3a4 a5c4 2.d2xc1 a1xc1 3.h4xd4 c1e1
4.a4c3 e1xf2 5.d4xd5
! 6/6 -4.46 0.48 278173 1.d3xg6
! 6 -3.71 0.53 310059 1.d3xg6
! 6 -3.60 0.61 365545 1.d3xg6 a5c6 2.Kb5 a1a5 3.Kxc6 c1xc3
4.Kd6 c3c6 5.Kxc6 a5xd2 6.h4xh7 Kg8
7.h7b7 d2xf2 8.Kxd5
<6> -3.60 0.72 428106 1.d3xg6 a5c6 2.Kb5 a1a5 3.Kxc6 c1xc3
4.Kd6 c3c6 5.Kxc6 a5xd2 6.h4xh7 Kg8
7.h7b7 d2xf2 8.Kxd5
7 -3.61 1.01 649667 1.d3xg6 a5c6 2.Kb5 a1a5 3.Kxc6 c1xc3
4.Kd7 c3c7 5.Kxc7 a5xd2 6.h4xh7 Kg8
7.Kxb6 d2xf2 8.g6d3
<7> -3.61 1.45 941547 1.d3xg6 a5c6 2.Kb5 a1a5 3.Kxc6 c1xc3
4.Kd7 c3c7 5.Kxc7 a5xd2 6.h4xh7 Kg8
7.Kxb6 d2xf2 8.g6d3
8 -3.69 1.83 1264031 1.d3xg6 a5c6 2.Kb5 a1a5 3.Kxc6 c1xc3
4.Kd7 c3c7 5.Kxc7 a5xd2 6.h4xh7 Kg8
7.Kxb6 d2xf2 8.Kc5 f2g3
<8> -3.69 3.70 2494036 1.d3xg6 a5c6 2.Kb5 a1a5 3.Kxc6 c1xc3
4.Kd7 c3c7 5.Kxc7 a5xd2 6.h4xh7 Kg8
7.Kxb6 d2xf2 8.Kc5 f2g3
9 -3.63 5.22 3703938 1.d3xg6 a5c6 2.Kb5 a1a5 3.Kxc6 c1xc3
4.Kd7 c3c7 5.Kxc7 a5xd2 6.h4xh7 Kg8
7.Kxb6 d2xf2 8.Kc5 f2e3 9.h7d7
<9> -3.63 13.50 8680161 1.d3xg6 a5c6 2.Kb5 a1a5 3.Kxc6 c1xc3
4.Kd7 c3c7 5.Kxc7 a5xd2 6.h4xh7 Kg8
7.Kxb6 d2xf2 8.Kc5 f2e3 9.h7d7
10 -3.70 19.11 13176514 1.d3xg6 a5c6 2.Kb5 a1a5 3.Kxc6 c1xc3
4.Kd7 c3c7 5.Kxc7 a5xd2 6.h4xh7 Kg8
7.Kxb6 d2xf2 8.Kc5 f2e3 9.g6f5 e3f3
10.f5g6
<10> -3.70 32.61 20930850 1.d3xg6 a5c6 2.Kb5 a1a5 3.Kxc6 c1xc3
4.Kd7 c3c7 5.Kxc7 a5xd2 6.h4xh7 Kg8
7.Kxb6 d2xf2 8.Kc5 f2e3 9.g6f5 e3f3
10.f5g6
11 -3.67 54.34 38454824 1.d3xg6 a5c6 2.Kb5 a1a5 3.Kxc6 c1xc3
4.Kd7 c3c7 5.Kxc7 a5xd2 6.h4xh7 Kg8
7.h7d7 d2xf2 8.g6f7 Kh8 9.Kxb6 d3
10.Kc6 d4 11.Kc5
<11> -3.67 1:00 41559969 1.d3xg6 a5c6 2.Kb5 a1a5 3.Kxc6 c1xc3
4.Kd7 c3c7 5.Kxc7 a5xd2 6.h4xh7 Kg8
7.h7d7 d2xf2 8.g6f7 Kh8 9.Kxb6 d3
10.Kc6 d4 11.Kc5
Computed move : d3xg6
NPS: 692666
no solution found [:-( [32/50]!