[ Test Suite pet | Hossa ]
Positions 11 - 20
![[Diagram of position #11]](diagrams/pet11.png)
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Black to move
FEN : 8/6p1/7p/p1N5/6PP/2k5/8/3K4 b - -
Best Move : a4
Position ID: "PET011: pawns vs N"
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depth value time nodes pv
1 -2.34 0.00 2 1... Kd4
<1> -2.34 0.00 15 1... Kd4
3/2 -2.41 0.00 107 1... g6 2.Ke2
7/2 -2.39 0.00 181 1... g5 2.c5a4 Kd4
<2> -2.39 0.00 185 1... g5 2.c5a4 Kd4
3 -2.39 0.00 338 1... g5 2.c5a4 Kd4 3.h5
<3> -2.39 0.00 466 1... g5 2.c5a4 Kd4 3.h5
4/4 -2.44 0.01 1817 1... g6 2.Ke2 g5 3.c5a4 Kd4
<4> -2.44 0.01 1990 1... g6 2.Ke2 g5 3.c5a4 Kd4
5 -2.44 0.01 3418 1... g6 2.Ke2 h5 3.c5a4 Kd4
4.g5
5/5 -2.36 0.01 5540 1... Kc4 2.c5e6 g6 3.e6f4 g5
<5> -2.36 0.01 5742 1... Kc4 2.c5e6 g6 3.e6f4 g5
6 -2.19 0.03 7978 1... Kc4 2.c5e6 g6 3.Kc2 a4
4.Kb2 h5
<6> -2.19 0.03 9120 1... Kc4 2.c5e6 g6 3.Kc2 a4
4.Kb2 h5
7 -2.25 0.03 14908 1... Kc4 2.c5e6 g6 3.e6f4 g5
4.h4xg5 h6xg5 5.f4e6
<7> -2.25 0.05 23824 1... Kc4 2.c5e6 g6 3.e6f4 g5
4.h4xg5 h6xg5 5.f4e6
8 -2.22 0.09 53397 1... Kc4 2.c5e6 Kb3 3.e6d4 Kc3
4.d4c2 a4 5.c2a3 g5
<8> -2.22 0.12 78268 1... Kc4 2.c5e6 Kb3 3.e6d4 Kc3
4.d4c2 a4 5.c2a3 g5
9 -2.50 0.19 128457 1... Kc4 2.c5e6 g6 3.e6f4 g5
4.h4xg5 h6xg5 5.f4e6 a4 6.Kc2 a3
7.e6xg5
3/9 -2.45 0.28 200240 1... Kb4 2.c5e6 g6 3.e6f4 a4
4.f4xg6 a3 5.Kc2 Kc4 6.g6f4 a2
7.Kb2
7/9 -2.14 0.51 390278 1... g6 2.Kc1 Kc4 3.c5d7 a4
4.d7e5 Kb3 5.e5xg6 a3 6.Kb1 Kc3
<9> -2.14 0.53 400731 1... g6 2.Kc1 Kc4 3.c5d7 a4
4.d7e5 Kb3 5.e5xg6 a3 6.Kb1 Kc3
10 -2.29 0.80 628385 1... g6 2.Kc1 Kd4 3.c5d7 g5
4.h4xg5 h6xg5 5.Kb2 Ke4 6.d7f6 Ke5
7.f6d7 Kf4
<10> -2.29 0.84 651859 1... g6 2.Kc1 Kd4 3.c5d7 g5
4.h4xg5 h6xg5 5.Kb2 Ke4 6.d7f6 Ke5
7.f6d7 Kf4
11 -2.36 1.33 1075217 1... g6 2.Kc1 Kd4 3.c5d7 Ke4
4.Kb2 Kf4 5.d7f6 Kg3 6.g5 h6xg5
7.h4xg5 a4
<11> -2.36 1.50 1233754 1... g6 2.Kc1 Kd4 3.c5d7 Ke4
4.Kb2 Kf4 5.d7f6 Kg3 6.g5 h6xg5
7.h4xg5 a4
12 -2.43 2.56 2149091 1... g6 2.Kc1 Kd4 3.c5d7 Ke4
4.Kb2 Kf4 5.d7f6 Ke5 6.f6g8 h5
7.g5 a4 8.Ka3
<12> -2.43 4.12 3572415 1... g6 2.Kc1 Kd4 3.c5d7 Ke4
4.Kb2 Kf4 5.d7f6 Ke5 6.f6g8 h5
7.g5 a4 8.Ka3
! 13 -2.01 7.19 6209439 1... g6
! 13 -2.10 9.89 8578698 1... g6 2.c5d7 Kb2 3.d7b6 Kb3
4.Kc1 a4 5.g5 h6xg5 6.h4xg5 a3
7.Kb1 a2 8.Ka1 Ka3 9.b6d7 Kb3
10.d7e5
<13> -2.10 10.16 8809133 1... g6 2.c5d7 Kb2 3.d7b6 Kb3
4.Kc1 a4 5.g5 h6xg5 6.h4xg5 a3
7.Kb1 a2 8.Ka1 Ka3 9.b6d7 Kb3
10.d7e5
14 -2.06 14.37 12481038 1... g6 2.c5d7 Kb2 3.d7b6 Kb3
4.Kc1 a4 5.g5 h6xg5 6.h4xg5 a3
7.Kb1 Kc3 8.Ka2 Kb4 9.b6d7 Ka4
10.d7e5
<14> -2.06 15.36 13479156 1... g6 2.c5d7 Kb2 3.d7b6 Kb3
4.Kc1 a4 5.g5 h6xg5 6.h4xg5 a3
7.Kb1 Kc3 8.Ka2 Kb4 9.b6d7 Ka4
10.d7e5
15 -2.33 29.36 25362451 1... g6 2.g5 h6xg5 3.h4xg5 Kd4
4.c5e6 Ke5 5.e6f8 Kf4 6.f8h7 Kg4
7.Kc1 Kh5 8.Kb2 Kg4 9.Kb3 Kf4
10.Ka4 Kf5 11.Kxa5
<15> -2.33 31.95 27767829 1... g6 2.g5 h6xg5 3.h4xg5 Kd4
4.c5e6 Ke5 5.e6f8 Kf4 6.f8h7 Kg4
7.Kc1 Kh5 8.Kb2 Kg4 9.Kb3 Kf4
10.Ka4 Kf5 11.Kxa5
<16> -2.33 1:00 52912906 1... g6
Computed move : g6
NPS: 881881
no solution found [:-( [9/11]!
![[Diagram of position #12]](diagrams/pet12.png)
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White to move
FEN : 8/8/8/5Bp1/7k/8/4pPKP/8 w - -
Best Moves: Bg4 h3
Position ID: "PET012: pawns vs B"
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depth value time nodes pv
1 -7.09 0.00 3 1.Kf3 e2e1Q
16/1 -6.35 0.00 42 1.f4 e2e1Q 2.f4xg5 Kxg5
<1> -6.35 0.00 44 1.f4 e2e1Q 2.f4xg5 Kxg5
2 -6.35 0.00 54 1.f4 e2e1Q
<2> -6.35 0.00 87 1.f4 e2e1Q
3 -6.35 0.00 167 1.f4 e2e1Q 2.f4xg5
<3> -6.35 0.01 409 1.f4 e2e1Q 2.f4xg5
4 -6.66 0.01 634 1.f4 e2e1Q 2.f4xg5 e1e2 3.Kg1 Kxg5
<4> -6.66 0.01 962 1.f4 e2e1Q 2.f4xg5 e1e2 3.Kg1 Kxg5
? 2/5 -7.52 0.01 3694 1.Kf3 e2e1Q 2.Kg2 e1e2 3.f5g6
? 9/5 -7.20 0.01 4952 1.h3 e2e1Q 2.f5g4 e1e4 3.g4f3 e4e1
<5> -7.20 0.03 5152 1.h3 e2e1Q 2.f5g4 e1e4 3.g4f3 e4e1
6 -7.26 0.03 5725 1.h3 e2e1Q 2.f5g4 e1e4 3.g4f3 e4c2
4.f3g4 c2b2
<6> -7.26 0.03 7131 1.h3 e2e1Q 2.f5g4 e1e4 3.g4f3 e4c2
4.f3g4 c2b2
7 -7.20 0.05 10130 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1e1
4.e2f3
<7> -7.20 0.05 12095 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1e1
4.e2f3
8 -7.23 0.05 15520 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1b7
4.e2f3 b7b2 5.f3g4 b2c2
<8> -7.23 0.06 21891 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1b7
4.e2f3 b7b2 5.f3g4 b2c2
9 -7.25 0.08 29389 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1f5
4.e2g4 f5e4 5.g4f3 e4e1 6.f3g4 e1b1
7.g4e2 b1f5 8.e2g4 f5e4 9.g4f3 e4e1
10.f3g4 e1b1
<9> -7.25 0.09 35133 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1f5
4.e2g4 f5e4 5.g4f3 e4e1 6.f3g4 e1b1
7.g4e2 b1f5 8.e2g4 f5e4 9.g4f3 e4e1
10.f3g4 e1b1 11.g4e2 b1f5 12.e2g4 f5e4
13.g4f3 e4e1 14.f3g4 e1b1 15.g4e2
10 -7.20 0.11 44746 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1f5
4.e2g4 f5c2 5.g4f3 c2b2
<10> -7.20 0.12 53942 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1f5
4.e2g4 f5c2 5.g4f3 c2b2
11 -7.20 0.17 87728 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1f5
4.e2g4 f5c2 5.g4f3 c2b2 6.f3g4 b2d2
7.g4f3
<11> -7.20 0.30 174432 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1f5
4.e2g4 f5c2 5.g4f3 c2b2 6.f3g4 b2d2
7.g4f3
12 -7.20 0.42 260671 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1f5
4.e2g4 f5c2 5.g4f3 c2b2 6.f3g4 b2c1
7.g4f3 c1e1 8.f3g4 e1b1 9.g4e2 b1f5
10.e2g4 f5c2 11.g4f3
<12> -7.20 0.55 353586 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1f5
4.e2g4 f5c2 5.g4f3 c2b2 6.f3g4 b2c1
7.g4f3 c1e1 8.f3g4 e1b1 9.g4e2 b1f5
10.e2g4 f5c2 11.g4f3
13 -7.20 0.84 578263 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1f5
4.e2g4 f5c2 5.g4f3 c2b2 6.f3g4 b2c1
7.g4e2 c1d2 8.e2f3 d2e1 9.f3g4 e1b1
10.g4e2 b1f5 11.e2g4 f5c2 12.g4f3
<13> -7.20 1.14 806096 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1f5
4.e2g4 f5c2 5.g4f3 c2b2 6.f3g4 b2c1
7.g4e2 c1d2 8.e2f3 d2e1 9.f3g4 e1b1
10.g4e2 b1f5 11.e2g4 f5c2 12.g4f3
14 -7.19 2.06 1541430 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1f5
4.e2g4 f5c2 5.g4f3 c2b2 6.f3g4 b2c1
7.g4f3 c1c8 8.f3g4 c8b7 9.g4f3 b7b2
<14> -7.19 2.76 2089471 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1f5
4.e2g4 f5c2 5.g4f3 c2b2 6.f3g4 b2c1
7.g4f3 c1c8 8.f3g4 c8b7 9.g4f3 b7b2
15 -7.26 4.81 3736860 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1f5
4.e2g4 f5c2 5.g4f3 c2b2 6.f3d1 b2b7
7.d1f3 b7c8 8.f3g4 c8c6 9.g4f3 c6c2
10.f3g4 c2b2
<15> -7.26 6.42 4997375 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1f5
4.e2g4 f5c2 5.g4f3 c2b2 6.f3d1 b2b7
7.d1f3 b7c8 8.f3g4 c8c6 9.g4f3 c6c2
10.f3g4 c2b2
16 -7.22 14.26 11294640 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1f5
4.e2g4 f5c2 5.g4f3 c2b2 6.f3d1 b2b7
7.d1f3 b7c8 8.f3g4 c8c4 9.g4f3 c4f4
10.f3g4 f4d2
<16> -7.22 16.34 12959729 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1f5
4.e2g4 f5c2 5.g4f3 c2b2 6.f3d1 b2b7
7.d1f3 b7c8 8.f3g4 c8c4 9.g4f3 c4f4
10.f3g4 f4d2
17 -7.22 29.06 23409310 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1f5
4.e2g4 f5c2 5.g4f3 c2b2 6.f3d1 b2c1
7.d1f3 c1d2 8.f3g4 d2d3 9.g4f3 d3d4
10.f3g4 d4d2
<17> -7.22 32.92 26485367 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1f5
4.e2g4 f5c2 5.g4f3 c2b2 6.f3d1 b2c1
7.d1f3 c1d2 8.f3g4 d2d3 9.g4f3 d3d4
10.f3g4 d4d2
<18> -7.22 1:00 47610663 1.h3 e2e1Q 2.f5g4 e1b1 3.g4e2 b1f5
4.e2g4 f5c2 5.g4f3
Computed move : h3
NPS: 793511
solution found [10/12], time: 0.01, points: 25, nodes: 5152!
![[Diagram of position #13]](diagrams/pet13.png)
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White to move
FEN : 8/8/2p5/pkp3R1/7B/P7/2p3K1/8 w - -
Best Move : a4+
Position ID: "PET013: pawns vs R+B"
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depth value time nodes pv
1 -4.14 0.00 3 1.Kf3 c2c1Q
3/1 -2.29 0.00 40 1.h4f2 c2c1Q 2.g5xc5 c1xc5 3.f2xc5 Kxc5
20/1 +0.33 0.00 375 1.a4 Kb6 2.g5xc5 Kxc5
<1> +0.33 0.00 407 1.a4 Kb6 2.g5xc5 Kxc5
2 +0.33 0.02 532 1.a4 Kb6 2.g5xc5 Kxc5
<2> +0.33 0.02 653 1.a4 Kb6 2.g5xc5 Kxc5
3 +0.33 0.02 1357 1.a4 Kb6 2.g5xc5 Kxc5 3.h4e7 Kd4
<3> +0.33 0.02 1998 1.a4 Kb6 2.g5xc5 Kxc5 3.h4e7 Kd4
2/4 +0.00 0.03 4735 1.g5xc5 Kxc5 2.h4g5 c2c1Q 3.g5xc1 Kd4
4.c1h6
<4> +0.00 0.03 5874 1.g5xc5 Kxc5 2.h4g5 c2c1Q 3.g5xc1 Kd4
4.c1h6
5 +0.00 0.03 7140 1.g5xc5 Kxc5 2.h4g5 c2c1Q 3.g5xc1 Kd4
4.c1h6 Kc5
<5> +0.00 0.05 10327 1.g5xc5 Kxc5 2.h4g5 c2c1Q 3.g5xc1 Kd4
4.c1h6 Kc5
? 6 +0.00 0.08 26831 1.g5xc5 Kxc5 2.h4g5 Kc4 3.Kf2 c2c1Q
4.g5xc1 a4 5.Ke1
<6> +0.00 0.08 26852 1.g5xc5 Kxc5 2.h4g5 Kc4 3.Kf2 c2c1Q
4.g5xc1 a4 5.Ke1
7 +0.00 0.08 31633 1.g5xc5 Kxc5 2.h4g5 c2c1Q 3.g5xc1 Kd4
4.c1h6 Kc5 5.a4 Kd5 6.Kf2
<7> +0.00 0.11 44985 1.g5xc5 Kxc5 2.h4g5 c2c1Q 3.g5xc1 Kd4
4.c1h6 Kc5 5.a4 Kd5 6.Kf2
8 +0.00 0.13 52712 1.g5xc5 Kxc5 2.h4g5 c2c1Q 3.g5xc1 Kd4
4.c1h6 Kc5 5.Kf2 Kd5 6.h6d2 a4
<8> +0.00 0.18 82701 1.g5xc5 Kxc5 2.h4g5 c2c1Q 3.g5xc1 Kd4
4.c1h6 Kc5 5.Kf2 Kd5 6.h6d2 a4
9 +0.00 0.19 99461 1.g5xc5 Kxc5 2.h4g5 c2c1Q 3.g5xc1 Kd4
4.c1h6 Kc5 5.Kf2 Kd5 6.h6d2 a4
7.Ke1
<9> +0.00 0.30 161902 1.g5xc5 Kxc5 2.h4g5 c2c1Q 3.g5xc1 Kd4
4.c1h6 Kc5 5.Kf2 Kd5 6.h6d2 a4
7.Ke1
10 +0.00 0.33 203368 1.g5xc5 Kxc5 2.h4g5 c2c1Q 3.g5xc1 Kd4
4.c1h6 Kc5 5.Kf2 Kd5 6.h6d2 a4
7.Ke1 c5 8.d2c3
<10> +0.00 0.55 337035 1.g5xc5 Kxc5 2.h4g5 c2c1Q 3.g5xc1 Kd4
4.c1h6 Kc5 5.Kf2 Kd5 6.h6d2 a4
7.Ke1 c5 8.d2c3
11 +0.00 0.64 444480 1.g5xc5 Kxc5 2.h4g5 c2c1Q 3.g5xc1 Kd4
4.c1h6 Kc5 5.Kf2 Kd5 6.h6d2 a4
7.Ke1 c5 8.d2c3 c4
<11> +0.00 1.33 880639 1.g5xc5 Kxc5 2.h4g5 c2c1Q 3.g5xc1 Kd4
4.c1h6 Kc5 5.Kf2 Kd5 6.h6d2 a4
7.Ke1 c5 8.d2c3 c4
? 12 -1.19 7.64 5202161 1.g5xc5 Kxc5 2.h4g5 Kc4 3.Kf2 Kb3
4.Ke2 Kxa3 5.g5c1 Ka2 6.Kd3 Kb1
7.Kd2 c5 8.c1a3 c4 9.Kc3 a4
<12> -1.19 10.07 6709060 1.g5xc5 Kxc5 2.h4g5 Kc4 3.Kf2 Kb3
4.Ke2 Kxa3 5.g5c1 Ka2 6.Kd3 Kb1
7.Kd2 c5 8.c1a3 c4 9.Kc3 a4
13 -1.23 10.60 7159355 1.g5xc5 Kxc5 2.h4g5 Kc4 3.Kf2 Kb3
4.Ke2 Kxa3 5.g5c1 Ka2 6.Kd2 Kb1
7.c1a3 c5 8.a3c1 c4 9.c1a3 c3
10.Kd3 c2c1Q 11.a3xc1
<13> -1.23 18.05 11848549 1.g5xc5 Kxc5 2.h4g5 Kc4 3.Kf2 Kb3
4.Ke2 Kxa3 5.g5c1 Ka2 6.Kd2 Kb1
7.c1a3 c5 8.a3c1 c4 9.c1a3 c3
10.Kd3 c2c1Q 11.a3xc1
!2/14 -0.81 32.99 21623421 1.a4
! 14 -0.06 35.60 23454990 1.a4
! 14 +0.00 45.14 29743004 1.a4 Kb6 2.h4f2 c2c1Q 3.g5xc5 c1xc5
4.Kh1 c5xf2 5.c5xf2
<14> +0.00 51.24 33857131 1.a4 Kb6 2.h4f2 c2c1Q 3.g5xc5 c1xc5
4.Kh1 c5xf2 5.c5xf2
<15> +0.00 1:00 39724300 1.a4 Kb6 2.h4f2 c2c1Q 3.g5xc5 c1xc5
4.Kh1 c5xf2
Computed move : a4
NPS: 661851
solution found [11/13], time: 32.99, points: 12, nodes: 21623421!
![[Diagram of position #14]](diagrams/pet14.png)
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Black to move
FEN : 8/6k1/6p1/2n2PP1/3N3p/3pK3/8/8 b - -
Best Move : d2
Position ID: "PET014: Knight endgame"
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depth value time nodes pv
1 +2.88 0.00 4 1... h3 2.f5xg6 Kxg6
<1> +2.88 0.01 48 1... h3 2.f5xg6 Kxg6
? 2 +2.42 0.01 182 1... h3 2.f6 Kf7
<2> +2.42 0.01 269 1... h3 2.f6 Kf7
3/3 +2.34 0.01 521 1... g6xf5 2.d4xf5 Kg6 3.f5xh4 Kxg5
4/3 +2.40 0.01 740 1... Kf7 2.Kd2 h3 3.f5xg6 Kxg6
<3> +2.40 0.01 955 1... Kf7 2.Kd2 h3 3.f5xg6 Kxg6
2/4 +2.33 0.01 1635 1... g6xf5 2.d4xf5 Kg6 3.f5xh4 Kxg5
4.h4g2
<4> +2.33 0.03 2802 1... g6xf5 2.d4xf5 Kg6 3.f5xh4 Kxg5
4.h4g2
? 2/5 +1.69 0.04 11590 1... Kf7 2.d4f3 h3 3.f3e5 Ke8
4.f6
<5> +1.69 0.06 16516 1... Kf7 2.d4f3 h3 3.f3e5 Ke8
4.f6
6 +1.75 0.08 21746 1... Kf7 2.d4f3 g6xf5 3.f3xh4 f4
4.Kd2 c5e4 5.Kxd3 e4xg5
! 5/6 +2.11 0.11 47271 1... d2
! 6 +2.27 0.12 58632 1... d2 2.Kxd2 c5e4 3.Kd3 h3
4.d4e6 Kh8 5.f6 h2 6.f7 e4c5
7.e6xc5 Kg7
<6> +2.27 0.14 61943 1... d2 2.Kxd2 c5e4 3.Kd3 h3
4.d4e6 Kh8 5.f6 h2 6.f7 e4c5
7.e6xc5 Kg7
? 7 +1.38 0.25 145093 1... d2 2.f6 Kf7 3.Ke2 h3
4.d4f3 c5e4 5.Kd1 h2 6.f3xh2 e4xg5
7.h2g4
? 2/7 +1.55 0.31 176896 1... c5e4 2.d4e6 Kf7 3.e6f4 g6xf5
4.g6 Kg7 5.Kxd3 e4c5 6.Kc4 c5e4
? 3/7 +2.16 0.33 188824 1... h3 2.f6 Kg8 3.d4f3 c5e4
4.Kxd3 e4xg5 5.Ke2 g5xf3 6.Kxf3
<7> +2.16 0.33 188836 1... h3 2.f6 Kg8 3.d4f3 c5e4
4.Kxd3 e4xg5 5.Ke2 g5xf3 6.Kxf3
! 8 +2.58 0.36 208122 1... h3
! 8 +2.54 0.37 212740 1... h3 2.f6 Kg8 3.d4f3 c5e4
4.Kxd3 e4xg5 5.f3h2 Kf7 6.h2g4
<8> +2.54 0.45 265296 1... h3 2.f6 Kg8 3.d4f3 c5e4
4.Kxd3 e4xg5 5.f3h2 Kf7 6.h2g4
9 +2.68 0.51 314699 1... h3 2.f6 Kg8 3.d4f3 c5e4
4.Kxd3 e4xg5 5.f3h2 g5h7 6.h2g4 h7xf6
7.g4xf6 Kf7
<9> +2.68 0.75 465039 1... h3 2.f6 Kg8 3.d4f3 c5e4
4.Kxd3 e4xg5 5.f3h2 g5h7 6.h2g4 h7xf6
7.g4xf6 Kf7
! 10 +3.10 0.97 628549 1... h3
! 10 +3.59 1.12 736012 1... h3 2.f6 Kg8 3.d4f3 c5e4
4.Kxd3 e4xg5 5.Ke2 g5xf3 6.Kxf3 Kf7
7.Kg3 Kxf6 8.Kh2 Kf5
<10> +3.59 1.39 939342 1... h3 2.f6 Kg8 3.d4f3 c5e4
4.Kxd3 e4xg5 5.Ke2 g5xf3 6.Kxf3 Kf7
7.Kg3 Kxf6 8.Kh2 Kf5
! 11 +4.01 2.87 2046778 1... h3
! 11 +3.97 2.87 2050732 1... h3 2.f6 Kg8 3.d4f3 c5e4
4.Kxd3 e4xg5 5.f3h2 Kf7 6.Ke3 Kxf6
7.Kf4 g5f7 8.Kf3
<11> +3.97 2.87 2050746 1... h3 2.f6 Kg8 3.d4f3 c5e4
4.Kxd3 e4xg5 5.f3h2 Kf7 6.Ke3 Kxf6
7.Kf4 g5f7 8.Kf3
?2/12 +3.81 8.42 5780910 1... d2 2.f6 Kf7 3.Ke2 h3
4.d4f3 c5e4 5.f3e5 Kf8 6.e5xg6 Kg8
7.f7 Kxf7 8.g6e5 Ke6 9.e5f3 Kf5
10.g6 Kxg6 11.Kd1 Kf5 12.f3h2
<12> +3.81 8.44 5780923 1... d2 2.f6 Kf7 3.Ke2 h3
4.d4f3 c5e4 5.f3e5 Kf8 6.e5xg6 Kg8
7.f7 Kxf7 8.g6e5 Ke6 9.e5f3 Kf5
10.g6 Kxg6 11.Kd1 Kf5 12.f3h2
13 +3.60 10.54 7400386 1... d2 2.f6 Kf8 3.Ke2 c5e4
4.d4f3 h3 5.f3h2 e4xg5 6.Kxd2 g5h7
7.f7 Kxf7 8.Ke3 Kg7 9.Kf4 Kh6
10.h2g4 Kg7 11.g4h2 Kh6 12.h2g4 Kg7
13.g4h2 Kh6
<13> +3.60 13.29 9600547 1... d2 2.f6 Kf8 3.Ke2 c5e4
4.d4f3 h3 5.f3h2 e4xg5 6.Kxd2 g5h7
7.f7 Kxf7 8.Ke3 Kg7 9.Kf4 Kh6
10.h2g4 Kg7 11.g4h2 Kh6 12.h2g4 Kg7
13.g4h2 Kh6 14.h2g4 Kg7 15.g4h2 Kh6
16.h2g4
14 +3.81 16.45 12000235 1... d2 2.f6 Kf8 3.Ke2 c5e4
4.d4f3 h3 5.f3h2 Kf7 6.h2f3 Ke8
7.f3h2 e4xg5 8.Kxd2 g5e4 9.Ke2 e4xf6
10.Kf3 Ke7 11.Kf4
<14> +3.81 24.61 18026938 1... d2 2.f6 Kf8 3.Ke2 c5e4
4.d4f3 h3 5.f3h2 Kf7 6.h2f3 Ke8
7.f3h2 e4xg5 8.Kxd2 g5e4 9.Ke2 e4xf6
10.Kf3 Ke7 11.Kf4
<15> +3.81 1:00 43169189 1... d2
Computed move : d2
NPS: 719486
solution found [12/14], time: 8.42, points: 18, nodes: 5780923!
![[Diagram of position #15]](diagrams/pet15.png)
|
White to move
FEN : 8/1N6/1p1P1n2/p1p1p3/P1P5/1P2k3/2K5/8 w - -
Best Move : Nxc5
Position ID: "PET015: Knight endgame"
|
depth value time nodes pv
1 +0.55 0.00 2 1.b7d8
<1> +0.55 0.00 14 1.b7d8
? 2 +0.09 0.00 94 1.b7d8 f6d7
<2> +0.09 0.00 142 1.b7d8 f6d7
3 +0.25 0.00 225 1.b7d8 f6d7 2.Kc3
<3> +0.25 0.00 332 1.b7d8 f6d7 2.Kc3
4 +0.17 0.00 464 1.b7d8 f6d7 2.Kc3 Kf4
<4> +0.17 0.00 789 1.b7d8 f6d7 2.Kc3 Kf4
5 +0.29 0.00 1048 1.b7d8 f6d7 2.Kc3 Kf4 3.d8c6
<5> +0.29 0.01 1530 1.b7d8 f6d7 2.Kc3 Kf4 3.d8c6
6 +0.09 0.01 3217 1.b7d8 f6d7 2.d8f7 Kf3 3.f7g5 Kf4
4.g5f7
<6> +0.09 0.01 4201 1.b7d8 f6d7 2.d8f7 Kf3 3.f7g5 Kf4
4.g5f7
7 +0.04 0.01 7104 1.b7d8 f6d7 2.d8f7 Kf3 3.f7g5 Kf4
4.g5h3 Kf3 5.h3g1 Kf2 6.g1h3 Kf3
7.h3g1 Kf2 8.g1h3
<7> +0.04 0.03 9081 1.b7d8 f6d7 2.d8f7 Kf3 3.f7g5 Kf4
4.g5h3 Kf3 5.h3g1 Kf2 6.g1h3 Kf3
7.h3g1 Kf2 8.g1h3
8 +0.00 0.05 19374 1.b7d8 f6d7 2.Kc3 e4 3.d8e6 Kf3
4.e6g5 Kf4 5.g5e6 Kf3 6.e6g5 Kf4
7.g5e6 Kf3 8.e6g5
<8> +0.00 0.06 21899 1.b7d8 f6d7 2.Kc3 e4 3.d8e6 Kf3
4.e6g5 Kf4 5.g5e6 Kf3 6.e6g5 Kf4
7.g5e6 Kf3 8.e6g5 Kf4 9.g5e6 Kf3
10.e6g5 Kf4
? 9 -0.45 0.11 51549 1.b7d8 f6d7 2.Kc3 e4 3.d8e6 Kf3
4.e6g5 Kf4 5.g5e6 Ke5 6.e6g5 e3
7.Kd3
<9> -0.45 0.11 57315 1.b7d8 f6d7 2.Kc3 e4 3.d8e6 Kf3
4.e6g5 Kf4 5.g5e6 Ke5 6.e6g5 e3
7.Kd3
10 -0.44 0.14 70285 1.b7d8 f6d7 2.Kc3 e4 3.d8e6 Kf3
4.e6g5 Kf4 5.g5f7 e3 6.Kd3 Kf3
7.f7g5 Kf4
<10> -0.44 0.17 90803 1.b7d8 f6d7 2.Kc3 e4 3.d8e6 Kf3
4.e6g5 Kf4 5.g5f7 e3 6.Kd3 Kf3
7.f7g5 Kf4
11 -0.46 0.28 169549 1.b7d8 f6d7 2.Kc3 e4 3.d8e6 Kf3
4.e6g5 Kf4 5.g5f7 e3 6.Kd3 Kf3
7.f7g5 Kf4 8.g5f7 Kf3 9.f7g5
<11> -0.46 0.33 206821 1.b7d8 f6d7 2.Kc3 e4 3.d8e6 Kf3
4.e6g5 Kf4 5.g5f7 e3 6.Kd3 Kf3
7.f7g5 Kf4 8.g5f7 Kf3 9.f7g5
12 -0.40 0.58 374313 1.b7d8 f6d7 2.Kc3 e4 3.d8e6 Kf3
4.e6g5 Kf4 5.g5f7 e3 6.Kd3 Kf3
7.f7g5 Kg4 8.g5e6 Kf5
!2/12 -0.04 1.59 1074208 1.b4
! 12 +0.17 2.80 1891770 1.b4 c5xb4 2.b7xa5 Kd4 3.a5c6 Kc5
4.c6xe5 Kxd6 5.e5d3 f6d7 6.d3xb4 d7c5
7.b4d5 c5xa4 8.Kb3 a4c5 9.Kb4
<12> +0.17 2.86 1931988 1.b4 c5xb4 2.b7xa5 Kd4 3.a5c6 Kc5
4.c6xe5 Kxd6 5.e5d3 f6d7 6.d3xb4 d7c5
7.b4d5 c5xa4 8.Kb3 a4c5 9.Kb4
13 +0.00 4.31 2959462 1.b4 c5xb4 2.b7xa5 Kd4 3.a5c6 Kc5
4.c6xe5 Kxd6 5.e5d3 f6e4 6.d3xb4 e4c5
7.b4d5 c5xa4 8.Kb3 Kc5 9.Kxa4 Kxc4
10.d5xb6
!2/13 +0.59 5.98 4169574 1.b7xc5
! 13 +0.87 7.08 4936536 1.b7xc5 b6xc5 2.b4 a5xb4 3.a5 e4
4.a6 Kf2 5.a7 e3 6.a7a8Q e2
7.a8d8 e2e1Q 8.d8xf6 Kg3 9.f6g5 Kh3
10.g5f5 Kg3 11.f5g5 Kf3 12.g5xc5
<13> +0.87 7.25 5051980 1.b7xc5 b6xc5 2.b4 a5xb4 3.a5 e4
4.a6 Kf2 5.a7 e3 6.a7a8Q e2
7.a8d8 e2e1Q 8.d8xf6 Kg3 9.f6g5 Kh3
10.g5f5 Kg3 11.f5g5 Kf3 12.g5xc5
14 +0.94 9.44 6577238 1.b7xc5 b6xc5 2.b4 a5xb4 3.a5 e4
4.a6 Kf2 5.a7 e3 6.a7a8Q e2
7.a8d8 e2e1Q 8.d8xf6 Kg3 9.f6g5 Kh3
10.g5xc5 e1c3 11.Kb1 c3e1 12.Kb2 Kg4
<14> +0.94 9.95 6950447 1.b7xc5 b6xc5 2.b4 a5xb4 3.a5 e4
4.a6 Kf2 5.a7 e3 6.a7a8Q e2
7.a8d8 e2e1Q 8.d8xf6 Kg3 9.f6g5 Kh3
10.g5xc5 e1c3 11.Kb1 c3e1 12.Kb2 Kg4
15 +1.01 15.51 10712313 1.b7xc5 b6xc5 2.b4 a5xb4 3.a5 e4
4.a6 Kf2 5.a7 e3 6.a7a8Q e2
7.a8d8 e2e1Q 8.d8xf6 Kg3 9.f6g5 Kh3
10.g5xc5 e1c3 11.Kd1 c3d3 12.Ke1 d3e4
13.Kd2 e4g2 14.Kd3 b3
<15> +1.01 17.56 12138039 1.b7xc5 b6xc5 2.b4 a5xb4 3.a5 e4
4.a6 Kf2 5.a7 e3 6.a7a8Q e2
7.a8d8 e2e1Q 8.d8xf6 Kg3 9.f6g5 Kh3
10.g5xc5 e1c3 11.Kd1 c3d3 12.Ke1 d3e4
13.Kd2 e4g2 14.Kd3 b3
16 +1.17 40.22 26915411 1.b7xc5 b6xc5 2.b4 a5xb4 3.a5 e4
4.a6 Kf2 5.a7 e3 6.a7a8Q e2
7.a8d8 e2e1Q 8.d8xf6 Kg3 9.f6g5 Kh3
10.g5xc5 e1c3 11.Kd1 c3d3 12.Ke1 d3e4
13.Kd2 e4g2 14.Kc1 g2f1 15.Kb2 f1e1
<16> +1.17 44.81 30006177 1.b7xc5 b6xc5 2.b4 a5xb4 3.a5 e4
4.a6 Kf2 5.a7 e3 6.a7a8Q e2
7.a8d8 e2e1Q 8.d8xf6 Kg3 9.f6g5 Kh3
10.g5xc5 e1c3 11.Kd1 c3d3 12.Ke1 d3e4
13.Kd2 e4g2 14.Kc1 g2f1 15.Kb2 f1e1
<17> +1.17 1:00 39426487 1.b7xc5 b6xc5 2.b4 a5xb4
Computed move : b7xc5
NPS: 656998
solution found [13/15], time: 5.98, points: 20, nodes: 4169574!
![[Diagram of position #16]](diagrams/pet16.png)
|
White to move
FEN : 4k3/B1p4p/8/p2n1p2/5P2/5P2/1P2K2P/8 w - -
Avoid Move : Be3
Position ID: "PET016: bishop vs knight"
|
depth value time nodes pv
1 -0.76 0.00 9 1.a7c5 d5xf4 2.Ke3
<1> -0.76 0.00 89 1.a7c5 d5xf4 2.Ke3
2 -0.76 0.00 108 1.a7c5 d5xf4
<2> -0.76 0.00 172 1.a7c5 d5xf4
3 -0.85 0.00 865 1.a7c5 Kd7 2.Kd3 d5xf4 3.Kc3
2/3 -0.81 0.00 1157 1.a7d4 d5xf4 2.Ke3 f4d5 3.Kd3
<3> -0.81 0.00 1531 1.a7d4 d5xf4 2.Ke3 f4d5 3.Kd3
4 -0.93 0.00 1952 1.a7d4 d5xf4 2.Ke3 f4d5 3.Kd3 Kd7
7/4 -0.91 0.01 3285 1.a7f2 d5xf4 2.Ke3 f4d5 3.Kd4 c6
<4> -0.91 0.01 3624 1.a7f2 d5xf4 2.Ke3 f4d5 3.Kd4 c6
5 -0.92 0.01 4943 1.a7f2 d5xf4 2.Ke3 f4e6 3.f2e1 a4
<5> -0.92 0.03 7142 1.a7f2 d5xf4 2.Ke3 f4e6 3.f2e1 a4
6 -0.95 0.03 9105 1.a7f2 d5xf4 2.Ke3 f4e6 3.f2e1 a4
4.e1c3 Kd7
<6> -0.95 0.05 17438 1.a7f2 d5xf4 2.Ke3 f4e6 3.f2e1 a4
4.e1c3 Kd7
7 -0.87 0.05 22020 1.a7f2 d5xf4 2.Ke3 f4e6 3.f2e1 a4
4.e1c3 Kd7 5.c3e5
<7> -0.87 0.06 29880 1.a7f2 d5xf4 2.Ke3 f4e6 3.f2e1 a4
4.e1c3 Kd7 5.c3e5
8 -0.97 0.08 36607 1.a7f2 d5xf4 2.Ke3 f4e6 3.f2e1 a4
4.e1c3 Kd7 5.c3e5 Kc6 6.h4
<8> -0.97 0.11 54402 1.a7f2 d5xf4 2.Ke3 f4e6 3.f2e1 a4
4.e1c3 Kd7 5.c3e5 Kc6 6.h4
9 -0.99 0.14 75233 1.a7f2 d5xf4 2.Ke3 f4e6 3.f2g3 Kd7
4.g3e5 Kc6 5.b3 Kd5 6.e5f6
3/9 -0.97 0.20 115387 1.Kd3 Kd7 2.Kc4 Kc6 3.a7d4 d5xf4
4.d4e5 f4d5 5.b3 d5e3 6.Kc3 e3d5
7.Kc4
<9> -0.97 0.25 148611 1.Kd3 Kd7 2.Kc4 Kc6 3.a7d4 d5xf4
4.d4e5 f4d5 5.b3 d5e3 6.Kc3 e3d5
7.Kc4
10 -0.89 0.33 206798 1.Kd3 Kd7 2.Kc4 Kc6 3.a7d4 d5xf4
4.d4c3 a4 5.Kb4 f4d5 6.Kxa4 d5xc3
7.b2xc3 f4
<10> -0.89 0.44 274246 1.Kd3 Kd7 2.Kc4 Kc6 3.a7d4 d5xf4
4.d4c3 a4 5.Kb4 f4d5 6.Kxa4 d5xc3
7.b2xc3 f4
11 -1.03 1.30 882267 1.Kd3 d5xf4 2.Kc4 f4g6 3.Kd5 Kd7
4.a7c5 g6f4 5.Kc4 f4e6 6.c5e3 Kc6
7.b3 f4
2/11 -1.01 1.66 1136919 1.a7d4 d5xf4 2.Ke3 f4e6 3.d4c3 a4
4.h4 Kd7 5.c3f6 Kc6 6.h5 Kd5
7.h6
<11> -1.01 1.87 1291438 1.a7d4 d5xf4 2.Ke3 f4e6 3.d4c3 a4
4.h4 Kd7 5.c3f6 Kc6 6.h5 Kd5
7.h6
12 -0.99 2.53 1777641 1.a7d4 d5xf4 2.Ke3 f4e6 3.Kd3 Kd7
4.d4f6 Kd6 5.Kc4 c6 6.b3 h5
7.h3 e6f4 8.h4
<12> -0.99 3.14 2223131 1.a7d4 d5xf4 2.Ke3 f4e6 3.Kd3 Kd7
4.d4f6 Kd6 5.Kc4 c6 6.b3 h5
7.h3 e6f4 8.h4
13 -0.99 4.73 3407666 1.a7d4 d5xf4 2.Ke3 f4e6 3.d4c3 a4
4.Kd3 Kd7 5.Kc4 e6g5 6.f4 g5f3
7.h3 f3g1 8.h4 g1f3
<13> -0.99 6.12 4461383 1.a7d4 d5xf4 2.Ke3 f4e6 3.d4c3 a4
4.Kd3 Kd7 5.Kc4 e6g5 6.f4 g5f3
7.h3 f3g1 8.h4 g1f3
14 -0.96 11.47 8425925 1.a7d4 d5xf4 2.Ke3 f4e6 3.d4f6 Kd7
4.Kd3 Kd6 5.Kc4 Kc6 6.b3 e6c5
7.f6e5 a4 8.b3xa4 c5xa4 9.Kd3
<14> -0.96 14.94 11026040 1.a7d4 d5xf4 2.Ke3 f4e6 3.d4f6 Kd7
4.Kd3 Kd6 5.Kc4 Kc6 6.b3 e6c5
7.f6e5 a4 8.b3xa4 c5xa4 9.Kd3
15 -0.98 25.94 19184580 1.a7d4 d5xf4 2.Ke3 f4e6 3.d4f6 Kd7
4.Kd3 e6f4 5.Kc4 f4g2 6.Kd4 Ke6
7.f6d8 g2e1 8.Ke3 Kd6 9.d8f6 e1g2
10.Kd4 g2f4
<15> -0.98 43.73 32649058 1.a7d4 d5xf4 2.Ke3 f4e6 3.d4f6 Kd7
4.Kd3 e6f4 5.Kc4 f4g2 6.Kd4 Ke6
7.f6d8 g2e1 8.Ke3 Kd6 9.d8f6 e1g2
10.Kd4 g2f4
<16> -0.98 1:00 44938557 1.a7d4 d5xf4 2.Ke3 f4e6 3.d4f6 Kd7
4.Kd3 e6f4 5.Kc4 Kd6 6.b3 f4g6
7.Kd4 Ke6 8.f6g7
Computed move : a7d4
NPS: 748975
solution found [14/16], time: 0.00, points: 25, nodes: 89!
![[Diagram of position #17]](diagrams/pet17.png)
|
White to move
FEN : 8/8/p2k1p2/1p1p3p/1P1P3p/P3NPP1/5K2/1b6 w - -
Best Move : Ng2
Position ID: "PET017: bishop vs knight"
|
depth value time nodes pv
1 +0.04 0.00 2 1.g3xh4
<1> +0.04 0.00 42 1.g3xh4
2 -0.08 0.00 69 1.g3xh4 b1d3
<2> -0.08 0.02 207 1.g3xh4 b1d3
3 -0.05 0.02 273 1.g3xh4 b1d3 2.Kg3
<3> -0.05 0.02 516 1.g3xh4 b1d3 2.Kg3
4 -0.08 0.02 646 1.g3xh4 b1d3 2.Kg3 Ke6
<4> -0.08 0.02 1115 1.g3xh4 b1d3 2.Kg3 Ke6
5 +0.01 0.02 1439 1.g3xh4 b1d3 2.Kg3 Ke6 3.Kf4
<5> +0.01 0.02 2162 1.g3xh4 b1d3 2.Kg3 Ke6 3.Kf4
6 +0.01 0.03 3768 1.g3xh4 Ke6 2.Kg3 b1f5 3.Kf4 f5d3
<6> +0.01 0.03 5325 1.g3xh4 Ke6 2.Kg3 b1f5 3.Kf4 f5d3
7 +0.04 0.03 9390 1.g3xh4 b1d3 2.Kg3 Ke6 3.Kf4 Kd6
4.e3f5 Kc6 5.f5e3
<7> +0.04 0.05 11395 1.g3xh4 b1d3 2.Kg3 Ke6 3.Kf4 Kd6
4.e3f5 Kc6 5.f5e3
8 +0.28 0.07 23373 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6e8
4.Ke3 e8f7
<8> +0.28 0.07 23727 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6e8
4.Ke3 e8f7
9 +0.24 0.08 33170 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6e8
4.Ke3 e8f7 5.Kd3 f5
<9> +0.24 0.08 33770 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6e8
4.Ke3 e8f7 5.Kd3 f5
10 +0.28 0.11 50101 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6e8
4.Ke3 e8f7 5.f4d3 f7e6 6.d3f4 e6f7
7.f4d3 f7e6 8.d3f4 e6f7 9.f4d3
<10> +0.28 0.13 53694 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6e8
4.Ke3 e8f7 5.f4d3 f7e6 6.d3f4 e6f7
7.f4d3 f7e6 8.d3f4 e6f7 9.f4d3 f7e6
10.d3f4 e6f7 11.f4d3 f7e6
11 +0.28 0.14 66220 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6e8
4.Ke3 e8f7 5.f4d3 f7e6 6.d3c5 e6c8
7.f4
<11> +0.28 0.16 72795 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6e8
4.Ke3 e8f7 5.f4d3 f7e6 6.d3c5 e6c8
7.f4
12 +0.28 0.19 93136 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6e8
4.Ke3 e8f7 5.Kd2 f7e8 6.Kd3 f5
7.Ke3 e8f7
<12> +0.28 0.21 105315 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6e8
4.Ke3 e8f7 5.Kd2 f7e8 6.Kd3 f5
7.Ke3 e8f7
13 +0.28 0.27 146427 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6e8
4.Ke3 e8f7 5.Kd2 f7e8 6.Ke2 f5
7.Kf2 e8f7 8.Ke3 Kc6
<13> +0.28 0.32 171664 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6e8
4.Ke3 e8f7 5.Kd2 f7e8 6.Ke2 f5
7.Kf2 e8f7 8.Ke3 Kc6
14 +0.27 0.49 291186 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6e8
4.Ke3 e8f7 5.Kd2 f7e8 6.Ke2 f5
7.Kf2 e8f7 8.Ke3 Kc6 9.f4d3
<14> +0.27 0.55 331762 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6e8
4.Ke3 e8f7 5.Kd2 f7e8 6.Ke2 f5
7.Kf2 e8f7 8.Ke3 Kc6 9.f4d3
15 +0.28 0.74 464628 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6e8
4.Ke3 e8f7 5.Kd2 f7e8 6.Ke2 Kc6
7.Ke3 e8f7 8.f4d3 f7e6 9.d3f4 e6f7
10.f4d3
<15> +0.28 0.82 523646 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6e8
4.Ke3 e8f7 5.Kd2 f7e8 6.Ke2 Kc6
7.Ke3 e8f7 8.f4d3 f7e6 9.d3f4 e6f7
10.f4d3
16 +0.28 1.05 692777 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6e8
4.Ke3 e8f7 5.Kd2 f7e8 6.Ke2 Kc6
7.Ke3 Kd6 8.f4d3 e8d7 9.d3c5 d7c8
10.f4 Kc6
<16> +0.28 1.53 1005566 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6e8
4.Ke3 e8f7 5.Kd2 f7e8 6.Ke2 Kc6
7.Ke3 Kd6 8.f4d3 e8d7 9.d3c5 d7c8
10.f4 Kc6
17 +0.28 1.97 1327421 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6e8
4.Ke3 e8f7 5.Kd2 f7e8 6.Ke2 Kc6
7.Ke1 f5 8.Ke2 Kd6 9.Kf2 Kc6
10.Ke3 e8f7
<17> +0.28 2.57 1745748 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6e8
4.Ke3 e8f7 5.Kd2 f7e8 6.Ke2 Kc6
7.Ke1 f5 8.Ke2 Kd6 9.Kf2 Kc6
10.Ke3 e8f7
18 +0.27 5.39 3784076 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6f7
4.Ke2 Kc6 5.f4d3 f7e6 6.Ke1 Kd6
7.d3f4 e6f7 8.Kf1 Kc6 9.Kf2 Kd6
10.Ke2 Kc6 11.f4d3 f7e6 12.Ke1 Kd6
13.d3f4 e6f7 14.Kf1 Kc6
<18> +0.27 6.93 4818641 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6f7
4.Ke2 Kc6 5.f4d3 f7e6 6.Ke1 Kd6
7.d3f4 e6f7 8.Kf1 Kc6 9.Kf2 Kd6
10.Ke2 Kc6 11.f4d3 f7e6 12.Ke1 Kd6
13.d3f4 e6f7 14.Kf1 Kc6 15.Kf2 Kd6
16.Ke2 Kc6 17.f4d3 f7e6 18.Ke1 Kd6
19.d3f4 e6f7 20.Kf1 Kc6 21.Kf2
19 +0.28 10.05 7046148 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6f7
4.Ke2 Kc6 5.f4d3 f7e6 6.Ke1 Kd6
7.d3f4 e6f7 8.Kf2 f7e8
<19> +0.28 13.86 9501885 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6f7
4.Ke2 Kc6 5.f4d3 f7e6 6.Ke1 Kd6
7.d3f4 e6f7 8.Kf2 f7e8
20 +0.27 46.74 30047664 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6f7
4.Ke2 Kc6 5.f4d3 f7e6 6.Ke1 Kd6
7.d3f4 e6f7 8.Kf2 f7e8 9.Kg2 e8f7
10.Kf1
<20> +0.27 1:00 38702008 1.g3xh4 b1d3 2.e3g2 d3g6 3.g2f4 g6f7
4.Ke2 Kc6 5.f4d3 f7e6 6.Ke1 Kd6
7.d3f4 e6f7 8.Kf2 f7e8 9.Kg2 e8f7
10.Kf1
Computed move : g3xh4
NPS: 645033
no solution found [:-( [14/17]!
![[Diagram of position #18]](diagrams/pet18.png)
|
White to move
FEN : 8/3k4/3b4/1K6/7p/5B1P/PP6/8 w - -
Best Move : b4
Position ID: "PET018: opposite bishops"
|
depth value time nodes pv
1 +2.45 0.00 2 1.a4
<1> +2.45 0.00 70 1.a4
2 +2.31 0.00 91 1.a4 Ke6
<2> +2.31 0.00 248 1.a4 Ke6
3 +2.63 0.00 341 1.a4 Ke6 2.a5
<3> +2.63 0.00 527 1.a4 Ke6 2.a5
4 +2.56 0.00 914 1.a4 Ke6 2.a5 d6f4
<4> +2.56 0.01 1500 1.a4 Ke6 2.a5 d6f4
5 +2.69 0.01 2907 1.a4 Ke6 2.a5 d6e5 3.b3
<5> +2.69 0.01 3925 1.a4 Ke6 2.a5 d6e5 3.b3
6 +2.62 0.01 7159 1.a4 d6e5 2.b3 Kd6 3.a5 e5d4
<6> +2.62 0.03 9271 1.a4 d6e5 2.b3 Kd6 3.a5 e5d4
7 +2.77 0.04 19728 1.a4 d6f4 2.a5 f4e3 3.f3g4 Kd6
4.b3 Kd5 5.a6
<7> +2.77 0.04 21821 1.a4 d6f4 2.a5 f4e3 3.f3g4 Kd6
4.b3 Kd5 5.a6
8 +2.78 0.06 36785 1.a4 d6f4 2.a5 f4e3 3.b3 Ke6
4.f3c6 Kf5 5.a6 e3a7
<8> +2.78 0.08 44636 1.a4 d6f4 2.a5 f4e3 3.b3 Ke6
4.f3c6 Kf5 5.a6 e3a7
9 +2.94 0.14 91018 1.a4 d6f4 2.a5 Kd6 3.b4 f4d2
4.Kc4 Ke5 5.a6 d2e3
<9> +2.94 0.17 108258 1.a4 d6f4 2.a5 Kd6 3.b4 f4d2
4.Kc4 Ke5 5.a6 d2e3
10 +3.05 0.29 205839 1.a4 d6e5 2.b4 Kd6 3.Kc4 e5f4
4.a5 f4d2 5.a6 d2e3 6.f3d5
<10> +3.05 0.36 262046 1.a4 d6e5 2.b4 Kd6 3.Kc4 e5f4
4.a5 f4d2 5.a6 d2e3 6.f3d5
11 +3.14 0.64 480843 1.a4 d6e5 2.b4 e5b2 3.Kc5 b2c1
4.a5 Ke6 5.a6 c1e3 6.Kc6 Ke5
7.Kb7 Kd4
<11> +3.14 0.89 667362 1.a4 d6e5 2.b4 e5b2 3.Kc5 b2c1
4.a5 Ke6 5.a6 c1e3 6.Kc6 Ke5
7.Kb7 Kd4
! 12 +3.56 1.36 1039051 1.a4
! 12 +3.55 1.48 1149732 1.a4 d6e5 2.b4 Kd6 3.a5 e5d4
4.Kc4 d4f2 5.Kb3 Ke5 6.b5 Kf4
7.f3d5 Kg3
!2/12 +3.63 1.98 1562698 1.f3g4 Ke7 2.a4 d6e5 3.b4 Kd6
4.a5 e5f4 5.Ka4 Ke5 6.b5 f4e3
7.g4c8 e3d4 8.c8b7 Kf4
<12> +3.63 2.26 1786090 1.f3g4 Ke7 2.a4 d6e5 3.b4 Kd6
4.a5 e5f4 5.Ka4 Ke5 6.b5 f4e3
7.g4c8 e3d4 8.c8b7 Kf4
13 +3.63 2.92 2332590 1.f3g4 Ke7 2.a4 d6e5 3.b4 Kd6
4.a5 e5f4 5.Ka4 Ke5 6.b5 f4e3
7.g4c8 Kf4 8.c8e6 Ke5 9.e6f7 Ke4
<13> +3.63 4.03 3231984 1.f3g4 Ke7 2.a4 d6e5 3.b4 Kd6
4.a5 e5f4 5.Ka4 Ke5 6.b5 f4e3
7.g4c8 Kf4 8.c8e6 Ke5 9.e6f7 Ke4
14 +3.66 6.40 5198953 1.f3g4 Ke7 2.a4 d6e5 3.b4 Kd6
4.a5 e5f4 5.Ka4 Ke5 6.b5 f4e3
7.g4c8 Kf4 8.c8e6 Ke4 9.Kb4 e3d2
10.Ka4 d2e3
<14> +3.66 10.29 8384339 1.f3g4 Ke7 2.a4 d6e5 3.b4 Kd6
4.a5 e5f4 5.Ka4 Ke5 6.b5 f4e3
7.g4c8 Kf4 8.c8e6 Ke4 9.Kb4 e3d2
10.Ka4 d2e3
15 +3.75 20.15 16579775 1.f3g4 Ke7 2.a4 Kd8 3.a5 Kc7
4.b4 d6f8 5.g4h5 f8d6 6.h5f3 d6g3
7.Ka4 Kd7 8.b5 Ke6 9.f3g4 Kd5
10.g4f5
3/15 +4.01 27.37 22618915 1.b4 Kc7 2.a4 Kb8 3.a5 Ka7
4.Ka4 d6f4 5.b5 f4e3 6.f3d5 e3d2
7.d5c6 d2e3 8.Kb4 e3d2
<15> +4.01 33.51 27762687 1.b4 Kc7 2.a4 Kb8 3.a5 Ka7
4.Ka4 d6f4 5.b5 f4e3 6.f3d5 e3d2
7.d5c6 d2e3 8.Kb4 e3d2
16 +3.98 36.06 29904459 1.b4 Kc7 2.a4 Kb8 3.a5 Ka7
4.Ka4 d6f4 5.b5 f4e3 6.f3d5 e3d2
7.d5c6 d2c1 8.c6e4 c1d2 9.e4d5
<16> +3.98 1:00 50147986 1.b4 Kc7 2.a4 Kb8 3.a5 Ka7
4.Ka4 d6f4 5.b5 f4e3 6.f3d5 e3d2
7.d5c6 d2c1 8.c6e4 c1d2 9.e4d5
Computed move : b4
NPS: 835799
solution found [15/18], time: 27.37, points: 14, nodes: 27762687!
![[Diagram of position #19]](diagrams/pet19.png)
|
Black to move
FEN : 8/8/4kpp1/3p1b2/p6P/2B5/6P1/6K1 b - -
Best Move : Bh3
Position ID: "PET019: opposite bishops"
|
depth value time nodes pv
1 +3.06 0.00 2 1... a3
<1> +3.06 0.00 14 1... a3
2 +2.83 0.00 42 1... a3 2.c3d4
<2> +2.83 0.00 82 1... a3 2.c3d4
3 +2.93 0.00 231 1... a3 2.c3d4 f5d3
<3> +2.93 0.02 284 1... a3 2.c3d4 f5d3
4 +2.84 0.02 719 1... a3 2.c3d4 a2 3.d4a1 f5c2
<4> +2.84 0.02 1219 1... a3 2.c3d4 a2 3.d4a1 f5c2
5 +2.76 0.02 2631 1... a3 2.c3d4 f5d3 3.Kf2 d3c4
<5> +2.76 0.02 3399 1... a3 2.c3d4 f5d3 3.Kf2 d3c4
6 +2.73 0.03 9120 1... a3 2.Kf2 f5d3 3.Ke3 d3f1
4.c3b4
<6> +2.73 0.03 12586 1... a3 2.Kf2 f5d3 3.Ke3 d3f1
4.c3b4
7 +2.60 0.07 22146 1... a3 2.Kf2 f5g4 3.c3d4 a2
4.d4a1 Kd6 5.Ke3 Kc5
<7> +2.60 0.08 30312 1... a3 2.Kf2 f5g4 3.c3d4 a2
4.d4a1 Kd6 5.Ke3 Kc5
8 +2.66 0.11 57842 1... a3 2.Kf2 f5d3 3.Ke3 d3f1
4.g3 f1h3 5.Kd4 h3g4
<8> +2.66 0.13 63874 1... a3 2.Kf2 f5d3 3.Ke3 d3f1
4.g3 f1h3 5.Kd4 h3g4
9 +2.56 0.24 129003 1... a3 2.Kf2 f5e4 3.c3d4 e4d3
4.Ke3 d3c4 5.Kd2 a2 6.d4a1 Kd6
<9> +2.56 0.25 145345 1... a3 2.Kf2 f5e4 3.c3d4 e4d3
4.Ke3 d3c4 5.Kd2 a2 6.d4a1 Kd6
10 +2.66 0.35 208467 1... a3 2.Kf2 f5e4 3.c3d4 f5
4.g3 e4c2 5.Ke3 Kd6 6.Kd2 c2b3
<10> +2.66 0.39 233684 1... a3 2.Kf2 f5e4 3.c3d4 f5
4.g3 e4c2 5.Ke3 Kd6 6.Kd2 c2b3
11 +2.66 0.72 461102 1... a3 2.Kf2 f5e4 3.c3b4 a2
4.b4c3 f5 5.c3a1 f4 6.Kf1 Kd6
7.Kf2 e4d3
<11> +2.66 0.93 592767 1... a3 2.Kf2 f5e4 3.c3b4 a2
4.b4c3 f5 5.c3a1 f4 6.Kf1 Kd6
7.Kf2 e4d3
12 +2.59 1.97 1316018 1... a3 2.Kf2 f5c2 3.c3d4 f5
4.Ke3 Kd6 5.Kf4 c2a4 6.Kg5 a4e8
7.Kf4 e8b5 8.Ke3
<12> +2.59 2.39 1618426 1... a3 2.Kf2 f5c2 3.c3d4 f5
4.Ke3 Kd6 5.Kf4 c2a4 6.Kg5 a4e8
7.Kf4 e8b5 8.Ke3
13 +2.61 4.36 2986805 1... a3 2.Kf2 f5c2 3.c3d4 f5
4.Ke3 Kd6 5.Kf4 c2a4 6.h5 g6xh5
7.d4g7 a2 8.g7a1 a4c2 9.g3 Kc5
<13> +2.61 6.21 4297801 1... a3 2.Kf2 f5c2 3.c3d4 f5
4.Ke3 Kd6 5.Kf4 c2a4 6.h5 g6xh5
7.d4g7 a2 8.g7a1 a4c2 9.g3 Kc5
14 +2.58 12.72 8769513 1... a3 2.Kf2 f5c2 3.c3d4 f5
4.Ke3 c2e4 5.g3 e4g2 6.Kf2 g2h3
7.Ke2 h3g4 8.Kd3 Kd6 9.Kc2 g4f3
10.Kc3
2/14 +2.77 19.99 13788431 1... Kd6 2.c3d4 Kc6 3.Kf2 Kb5
4.d4xf6 Kc4 5.Ke3 a3 6.f6a1 f5e4
7.g4 Kb3 8.Kd2 e4f3 9.g5
<14> +2.77 22.41 15541737 1... Kd6 2.c3d4 Kc6 3.Kf2 Kb5
4.d4xf6 Kc4 5.Ke3 a3 6.f6a1 f5e4
7.g4 Kb3 8.Kd2 e4f3 9.g5
15 +2.71 29.50 20521384 1... Kd6 2.c3d4 Kc6 3.Kf2 Kb5
4.d4xf6 a3 5.Ke3 Kb4 6.f6d4 Kb3
7.Kd2 Kc4 8.d4g7 f5e4 9.g4 d4
10.g7e5
<15> +2.71 37.91 26557845 1... Kd6 2.c3d4 Kc6 3.Kf2 Kb5
4.d4xf6 a3 5.Ke3 Kb4 6.f6d4 Kb3
7.Kd2 Kc4 8.d4g7 f5e4 9.g4 d4
10.g7e5
<16> +2.71 1:00 41702613 1... Kd6 2.c3d4 Kc6 3.Kf2 Kb5
4.d4xf6 a3 5.Ke3 Kc4
Computed move : Kd6
NPS: 694811
no solution found [:-( [15/19]!
![[Diagram of position #20]](diagrams/pet20.png)
|
Black to move
FEN : 8/4k1p1/1p2B2p/4p3/8/4P2P/1PP1KbP1/8 b - -
Avoid Move : Bxe3
Position ID: "PET020: opposite bishops"
|
depth value time nodes pv
1 -1.85 0.00 3 1... Kxe6 2.Kxf2
2/1 -0.67 0.00 5 1... f2g3
15/1 +0.15 0.00 23 1... f2xe3 2.Kxe3 Kxe6
<1> +0.15 0.00 24 1... f2xe3 2.Kxe3 Kxe6
2 +0.15 0.00 55 1... f2xe3 2.Kxe3
<2> +0.15 0.00 131 1... f2xe3 2.Kxe3
3 -0.04 0.00 271 1... f2xe3 2.Kxe3 Kxe6 3.Ke4
<3> -0.04 0.00 397 1... f2xe3 2.Kxe3 Kxe6 3.Ke4
4 +0.10 0.02 924 1... f2xe3 2.Kxe3 Kxe6 3.Ke4 g6
<4> +0.10 0.02 1312 1... f2xe3 2.Kxe3 Kxe6 3.Ke4 g6
5 +0.03 0.02 2107 1... f2xe3 2.Kxe3 Kxe6 3.Ke4 Kd6
4.b3
<5> +0.03 0.02 3052 1... f2xe3 2.Kxe3 Kxe6 3.Ke4 Kd6
4.b3
6 +0.10 0.03 5197 1... f2xe3 2.Kxe3 Kxe6 3.Ke4 g6
4.b3 h5
<6> +0.10 0.03 6475 1... f2xe3 2.Kxe3 Kxe6 3.Ke4 g6
4.b3 h5
7 +0.03 0.03 10274 1... f2xe3 2.Kxe3 Kxe6 3.Ke4 g6
4.h4 Kd6 5.c3
<7> +0.03 0.05 14044 1... f2xe3 2.Kxe3 Kxe6 3.Ke4 g6
4.h4 Kd6 5.c3
8 +0.03 0.07 24043 1... f2xe3 2.Kxe3 Kxe6 3.Ke4 g6
4.h4 Kd6 5.c3 b5 6.b3
<8> +0.03 0.07 28807 1... f2xe3 2.Kxe3 Kxe6 3.Ke4 g6
4.h4 Kd6 5.c3 b5 6.b3
9 -0.04 0.11 64398 1... f2xe3 2.Kxe3 Kxe6 3.c4 h5
4.b4 g5 5.Ke4 g4 6.h3xg4 h5xg4
7.c5
<9> -0.04 0.14 76708 1... f2xe3 2.Kxe3 Kxe6 3.c4 h5
4.b4 g5 5.Ke4 g4 6.h3xg4 h5xg4
7.c5
10 -0.42 0.21 135005 1... f2xe3 2.Kxe3 Kxe6 3.c4 g6
4.Ke4 Kd6 5.b4 Ke6 6.c5 b6xc5
7.b4xc5 h5 8.h4 Kf6
<10> -0.42 0.25 163440 1... f2xe3 2.Kxe3 Kxe6 3.c4 g6
4.Ke4 Kd6 5.b4 Ke6 6.c5 b6xc5
7.b4xc5 h5 8.h4 Kf6
11 -0.42 0.46 332721 1... f2xe3 2.Kxe3 Kxe6 3.c4 g6
4.Ke4 g5 5.b4 h5 6.g4 h4
7.c5 b6xc5 8.b4xc5 Kf6
<11> -0.42 0.52 392639 1... f2xe3 2.Kxe3 Kxe6 3.c4 g6
4.Ke4 g5 5.b4 h5 6.g4 h4
7.c5 b6xc5 8.b4xc5 Kf6
12 -0.50 1.08 864420 1... f2xe3 2.Kxe3 Kxe6 3.c4 h5
4.Ke4 h4 5.b4 Kf6 6.c5 b6xc5
7.b4xc5 Ke6 8.c6 Kd6 9.c7 Kxc7
10.Kxe5 g6
<12> -0.50 1.28 1034286 1... f2xe3 2.Kxe3 Kxe6 3.c4 h5
4.Ke4 h4 5.b4 Kf6 6.c5 b6xc5
7.b4xc5 Ke6 8.c6 Kd6 9.c7 Kxc7
10.Kxe5 g6
13 -0.60 2.24 1848204 1... f2xe3 2.Kxe3 Kxe6 3.c4 h5
4.Ke4 h4 5.b4 g6 6.c5 b6xc5
7.b4xc5 g5 8.c6 Kd6 9.c7 Kxc7
10.Kxe5 Kd7 11.Kf5
<13> -0.60 2.72 2258265 1... f2xe3 2.Kxe3 Kxe6 3.c4 h5
4.Ke4 h4 5.b4 g6 6.c5 b6xc5
7.b4xc5 g5 8.c6 Kd6 9.c7 Kxc7
10.Kxe5 Kd7 11.Kf5
14 -0.79 6.93 5931731 1... f2xe3 2.Kxe3 Kxe6 3.c4 Kf5
4.b4 h5 5.h4 Kf6 6.Ke4 g6
7.c5 b6xc5 8.b4xc5 Ke6 9.g3
<14> -0.79 8.21 6997040 1... f2xe3 2.Kxe3 Kxe6 3.c4 Kf5
4.b4 h5 5.h4 Kf6 6.Ke4 g6
7.c5 b6xc5 8.b4xc5 Ke6 9.g3
15 -0.63 22.50 19060837 1... f2xe3 2.Kxe3 Kxe6 3.c4 Kd6
4.b4 Kd7 5.Ke4 Ke6 6.c5 b5
7.g4 g5
<15> -0.63 23.83 20215011 1... f2xe3 2.Kxe3 Kxe6 3.c4 Kd6
4.b4 Kd7 5.Ke4 Ke6 6.c5 b5
7.g4 g5
16 -0.74 37.44 31351185 1... f2xe3 2.Kxe3 Kxe6 3.c4 Kd6
4.b4 Kd7 5.Ke4 Ke6 6.c5 b5
7.h4 h5 8.g3 g6 9.Ke3 Ke7
10.Kf3 Kd7 11.Ke4
<16> -0.74 41.50 34896234 1... f2xe3 2.Kxe3 Kxe6 3.c4 Kd6
4.b4 Kd7 5.Ke4 Ke6 6.c5 b5
7.h4 h5 8.g3 g6 9.Ke3 Ke7
10.Kf3 Kd7 11.Ke4
<17> -0.74 1:00 49995834 1... f2xe3
Computed move : f2xe3
NPS: 832986
no solution found [:-( [15/20]!