[ Test Suite pet | Hossa ]
Positions 31 - 40
![[Diagram of position #31]](diagrams/pet31.png)
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Black to move
FEN : 8/1r3pkp/8/5p2/8/5PP1/1P1R3P/6K1 b - -
Best Move : f4
Position ID: "PET031: rook endgame"
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depth value time nodes pv
1 -1.50 0.00 2 1... Kf6
<1> -1.50 0.00 22 1... Kf6
2 -1.82 0.00 56 1... Kf6 2.Kf2
18/2 -1.65 0.00 224 1... f4 2.g4
<2> -1.65 0.00 232 1... f4 2.g4
3 -1.53 0.00 363 1... f4 2.g4 Kf6
<3> -1.53 0.00 492 1... f4 2.g4 Kf6
4 -1.85 0.00 771 1... f4 2.g4 Kf6 3.Kf2
2/4 -1.82 0.00 1453 1... Kf6 2.Kf2 b7e7 3.b4
<4> -1.82 0.01 2344 1... Kf6 2.Kf2 b7e7 3.b4
5 -1.77 0.01 4503 1... Kf6 2.Kf2 f4 3.g4 Ke5
<5> -1.77 0.01 8157 1... Kf6 2.Kf2 f4 3.g4 Ke5
6 -1.80 0.03 13547 1... Kf6 2.f4 b7b3 3.Kf2 Ke6
4.h4
13/6 -1.65 0.04 19243 1... f4 2.g4 f5 3.g5 Kg6
4.h4
<6> -1.65 0.04 19963 1... f4 2.g4 f5 3.g5 Kg6
4.h4
7 -1.69 0.04 24287 1... f4 2.g4 f5 3.g5 Kg6
4.h4 Kh5 5.d2h2
<7> -1.69 0.06 30567 1... f4 2.g4 f5 3.g5 Kg6
4.h4 Kh5 5.d2h2
8 -1.50 0.07 38893 1... f4 2.g4 f5 3.g5 Kg6
4.h4 Kh5 5.d2h2 Kg6
<8> -1.50 0.07 41713 1... f4 2.g4 f5 3.g5 Kg6
4.h4 Kh5 5.d2h2 Kg6
9 -1.20 0.18 105013 1... f4 2.g3xf4 b7b4 3.Kf2 b4xf4
4.d2d1 Kf6 5.Ke3 f4c4 6.b3
<9> -1.20 0.20 113755 1... f4 2.g3xf4 b7b4 3.Kf2 b4xf4
4.d2d1 Kf6 5.Ke3 f4c4 6.b3
10 -1.30 0.31 189242 1... f4 2.g3xf4 b7b4 3.Kf2 b4xf4
4.b3 f4b4 5.d2b2 Kf6 6.Ke3 Ke5
7.Kd3
<10> -1.30 0.34 211922 1... f4 2.g3xf4 b7b4 3.Kf2 b4xf4
4.b3 f4b4 5.d2b2 Kf6 6.Ke3 Ke5
7.Kd3
11 -1.19 0.67 432034 1... f4 2.g3xf4 b7b4 3.Kf2 b4xf4
4.b3 f4b4 5.d2b2 Kf6 6.Ke3 Ke5
7.Kd3 b4d4 8.Kc3 Kd5
<11> -1.19 0.76 491173 1... f4 2.g3xf4 b7b4 3.Kf2 b4xf4
4.b3 f4b4 5.d2b2 Kf6 6.Ke3 Ke5
7.Kd3 b4d4 8.Kc3 Kd5
12 -1.19 2.54 1690370 1... f4 2.Kg2 f4xg3 3.h2xg3 Kf6
4.g4 b7b3 5.d2e2 b3b4 6.Kg3 h6
7.Kf2 b4b3 8.f4
<12> -1.19 2.78 1858075 1... f4 2.Kg2 f4xg3 3.h2xg3 Kf6
4.g4 b7b3 5.d2e2 b3b4 6.Kg3 h6
7.Kf2 b4b3 8.f4
13 -1.17 6.20 4195076 1... f4 2.g4 f5 3.h3 f5xg4
4.h3xg4 Kf6 5.d2e2 b7b3 6.Kf2 b3b4
7.Kg2 Kg5 8.e2d2 Kf6
<13> -1.17 6.67 4546693 1... f4 2.g4 f5 3.h3 f5xg4
4.h3xg4 Kf6 5.d2e2 b7b3 6.Kf2 b3b4
7.Kg2 Kg5 8.e2d2 Kf6
14 -1.10 18.92 13042529 1... f4 2.g4 f5 3.h3 f5xg4
4.h3xg4 Kf6 5.d2e2 b7b3 6.Kf2 b3b5
7.Kg2 b5b3 8.e2c2
<14> -1.10 20.12 13944023 1... f4 2.g4 f5 3.h3 f5xg4
4.h3xg4 Kf6 5.d2e2 b7b3 6.Kf2 b3b5
7.Kg2 b5b3 8.e2c2
15 -1.11 41.15 28727961 1... f4 2.g3xf4 Kf6 3.Kg2 Kf5
4.Kg3 f6 5.d2d5 Ke6 6.d5h5 b7g7
7.Kf2 g7b7 8.b4 b7xb4 9.h5xh7 b4xf4
10.h7h8 f4c4 11.h8e8 Kd5 12.Ke3
<15> -1.11 44.84 31426399 1... f4 2.g3xf4 Kf6 3.Kg2 Kf5
4.Kg3 f6 5.d2d5 Ke6 6.d5h5 b7g7
7.Kf2 g7b7 8.b4 b7xb4 9.h5xh7 b4xf4
10.h7h8 f4c4 11.h8e8 Kd5 12.Ke3
<16> -1.11 1:00 42112470 1... f4 2.g3xf4 Kf6 3.Kg2 Kf5
4.Kg3 b7b6 5.h4 b6g6 6.Kf2 g6b6
7.d2d5 Kxf4 8.d5d4 Ke5 9.d4e4 Kd6
10.b4 f5 11.e4d4 Ke5 12.Ke3 b6b5
Computed move : f4
NPS: 701874
solution found [23/31], time: 0.04, points: 25, nodes: 19963!
![[Diagram of position #32]](diagrams/pet32.png)
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White to move
FEN : 8/5pk1/r5pp/P7/3R3P/6P1/5PK1/8 w - -
Best Move : Ra4
Position ID: "PET032: rook endgame"
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depth value time nodes pv
1 +1.61 0.00 2 1.d4a4
<1> +1.61 0.00 24 1.d4a4
2 +1.45 0.00 48 1.d4a4 Kf6
<2> +1.45 0.00 119 1.d4a4 Kf6
3 +1.61 0.02 202 1.d4a4 Kf6 2.Kf3
<3> +1.61 0.02 281 1.d4a4 Kf6 2.Kf3
4 +1.51 0.02 511 1.d4a4 Kf6 2.Kf3 Ke5
<4> +1.51 0.02 1508 1.d4a4 Kf6 2.Kf3 Ke5
5 +1.55 0.02 1824 1.d4a4 Kf6 2.Kf3 Ke5 3.Ke3
<5> +1.55 0.02 2677 1.d4a4 Kf6 2.Kf3 Ke5 3.Ke3
6 +1.55 0.02 4255 1.d4a4 Kf6 2.Kf3 Ke5 3.Ke3 g5
4.h5
<6> +1.55 0.03 6002 1.d4a4 Kf6 2.Kf3 Ke5 3.Ke3 g5
4.h5
7 +1.59 0.03 10921 1.d4a4 Kf6 2.f4 Ke6 3.Kf3 Kd5
4.Ke3 f6
<7> +1.59 0.05 12952 1.d4a4 Kf6 2.f4 Ke6 3.Kf3 Kd5
4.Ke3 f6
8 +1.57 0.06 20472 1.d4a4 Kf6 2.f4 Kf5 3.Kf3 h5
4.a4a2 f6
<8> +1.57 0.06 22834 1.d4a4 Kf6 2.f4 Kf5 3.Kf3 h5
4.a4a2 f6
9 +1.62 0.09 43264 1.d4a4 Kf6 2.f4 Kf5 3.Kf3 h5
4.a4a2 f6 5.a2a4 Ke6
<9> +1.62 0.11 55863 1.d4a4 Kf6 2.f4 Kf5 3.Kf3 h5
4.a4a2 f6 5.a2a4 Ke6
10 +1.59 0.22 126405 1.d4a4 Kf6 2.f4 Ke6 3.Kf3 Kd5
4.Ke3 f6 5.a4d4 Ke6 6.d4e4 Kd5
7.e4a4 f5
<10> +1.59 0.37 231791 1.d4a4 Kf6 2.f4 Ke6 3.Kf3 Kd5
4.Ke3 f6 5.a4d4 Ke6 6.d4e4 Kd5
7.e4a4 f5
11 +1.56 0.66 419090 1.d4a4 Kf6 2.Kf3 Ke5 3.Ke3 Kd5
4.Kd3 g5 5.h5 Ke5 6.Ke3 f6
7.Kd3
2/11 +1.68 1.75 1126559 1.d4d5 Kf6 2.Kf3 Ke6 3.d5b5 Kd6
4.Ke4 Kc6 5.b5d5 Kc7 6.Kd4 f6
<11> +1.68 1.98 1295218 1.d4d5 Kf6 2.Kf3 Ke6 3.d5b5 Kd6
4.Ke4 Kc6 5.b5d5 Kc7 6.Kd4 f6
12 +1.68 5.92 3746628 1.d4d5 Kf6 2.d5b5 Ke6 3.Kf3 Kd6
4.Ke4 Kc6 5.b5d5 Kc7 6.Kd4 f6
7.h5 g6xh5 8.d5xh5
<12> +1.68 6.39 4101415 1.d4d5 Kf6 2.d5b5 Ke6 3.Kf3 Kd6
4.Ke4 Kc6 5.b5d5 Kc7 6.Kd4 f6
7.h5 g6xh5 8.d5xh5
13 +1.69 10.77 7018536 1.d4d5 Kf6 2.d5b5 Ke6 3.Kf3 Kd6
4.Ke4 h5 5.Kd4 f6 6.f4 f5
7.b5e5 Kc7 8.e5d5
<13> +1.69 12.55 8301367 1.d4d5 Kf6 2.d5b5 Ke6 3.Kf3 Kd6
4.Ke4 h5 5.Kd4 f6 6.f4 f5
7.b5e5 Kc7 8.e5d5
14 +1.66 24.97 16573124 1.d4d5 Kf6 2.d5b5 Ke6 3.Kf3 Kd6
4.Ke4 h5 5.Kd4 f6 6.Ke4 f5
7.Kd4 f4 8.b5g5 Kc7 9.g3xf4
<14> +1.66 30.52 20654509 1.d4d5 Kf6 2.d5b5 Ke6 3.Kf3 Kd6
4.Ke4 h5 5.Kd4 f6 6.Ke4 f5
7.Kd4 f4 8.b5g5 Kc7 9.g3xf4
<15> +1.66 1:00 40044777 1.d4d5 Kf6 2.d5b5 Ke6
Computed move : d4d5
NPS: 667190
no solution found [:-( [23/32]!
![[Diagram of position #33]](diagrams/pet33.png)
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White to move
FEN : 8/4k3/2P2p2/6p1/1P4R1/4K3/7r/8 w - -
Best Move : Rd4
Position ID: "PET033: rook endgame"
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depth value time nodes pv
1 +1.66 0.00 2 1.b5
<1> +1.66 0.00 49 1.b5
2 +1.27 0.00 86 1.b5 h2b2
<2> +1.27 0.00 211 1.b5 h2b2
3 +1.12 0.00 417 1.b5 h2b2 2.g4e4 Kd6
<3> +1.12 0.00 1025 1.b5 h2b2 2.g4e4 Kd6
4 +1.07 0.01 1757 1.b5 h2b2 2.c7 b2b3 3.Kd4 Kd7
<4> +1.07 0.01 4200 1.b5 h2b2 2.c7 b2b3 3.Kd4 Kd7
5 +0.88 0.01 6832 1.b5 h2b2 2.g4e4 Kd6 3.e4d4 Kc5
4.c7 b2b3 5.Ke4
<5> +0.88 0.04 20111 1.b5 h2b2 2.g4e4 Kd6 3.e4d4 Kc5
4.c7 b2b3 5.Ke4
6 +0.96 0.06 25631 1.b5 h2b2 2.g4c4 Kd8 3.c4c5 Kc7
<6> +0.96 0.09 40069 1.b5 h2b2 2.g4c4 Kd8 3.c4c5 Kc7
7 +0.90 0.11 53368 1.b5 h2b2 2.g4c4 Kd8 3.c4d4 Kc7
<7> +0.90 0.18 96290 1.b5 h2b2 2.g4c4 Kd8 3.c4d4 Kc7
8 +0.91 0.32 176623 1.b5 h2h3 2.Kd4 Kd6 3.g4g2 h3h4
4.Kc3 Kc7 5.g2b2 Kb6 6.Kd3
<8> +0.91 0.48 273060 1.b5 h2h3 2.Kd4 Kd6 3.g4g2 h3h4
4.Kc3 Kc7 5.g2b2 Kb6 6.Kd3
9 +0.87 0.61 352764 1.b5 h2h3 2.Kd4 Kd6 3.g4g2 h3h4
4.Kc3 h4h3 5.Kb4 h3h4 6.Kb3 Kc7
7.Kc3 Kb6 8.g2b2
<9> +0.87 1.84 1107010 1.b5 h2h3 2.Kd4 Kd6 3.g4g2 h3h4
4.Kc3 h4h3 5.Kb4 h3h4 6.Kb3 Kc7
7.Kc3 Kb6 8.g2b2
10 +0.96 3.32 2033286 1.b5 h2b2 2.g4e4 Kd8 3.e4d4 Kc8
4.d4d5 b2b4 5.Kd3 Kc7 6.Kc3 b4b1
7.Kd4
<10> +0.96 3.93 2428414 1.b5 h2b2 2.g4e4 Kd8 3.e4d4 Kc8
4.d4d5 b2b4 5.Kd3 Kc7 6.Kc3 b4b1
7.Kd4
11 +0.95 4.67 2906535 1.b5 h2b2 2.g4e4 Kd8 3.e4d4 Kc8
4.d4d5 b2b4 5.Kd3 g4 6.Kc3 b4b1
7.Kc2 b1b4
<11> +0.95 6.57 4185379 1.b5 h2b2 2.g4e4 Kd8 3.e4d4 Kc8
4.d4d5 b2b4 5.Kd3 g4 6.Kc3 b4b1
7.Kc2 b1b4
12 +0.77 11.53 7475478 1.b5 h2h3 2.Kd4 Kd6 3.g4e4 f5
4.e4e8 h3h4 5.Kd3 h4h3 6.Kd2 Kc7
7.e8e5 h3f3 8.e5e7 Kb6 9.e7b7 Kc5
3/12 +0.86 19.67 12743299 1.g4d4 h2h3 2.Ke2 h3h2 3.Kd3 h2h3
4.Kc2 h3h2 5.Kb3 h2h3 6.Ka4 f5
7.d4c4 Kd8 8.c4c5 h3f3 9.b5 Kc7
10.Kb4
<12> +0.86 21.98 14341950 1.g4d4 h2h3 2.Ke2 h3h2 3.Kd3 h2h3
4.Kc2 h3h2 5.Kb3 h2h3 6.Ka4 f5
7.d4c4 Kd8 8.c4c5 h3f3 9.b5 Kc7
10.Kb4
! 13 +1.28 48.03 30400552 1.g4d4
! 13 +0.94 50.03 31697559 1.g4d4 h2h3 2.Kf2 h3h2 3.Kg3 h2c2
4.b5 f5 5.d4b4 c2c3 6.Kf2 c3c2
7.Ke3 f4 8.Kd3 c2c5 9.Ke2 c5e5
10.Kf3 e5e3 11.Kg4
<13> +0.94 59.98 38601012 1.g4d4 h2h3 2.Kf2 h3h2 3.Kg3 h2c2
4.b5 f5 5.d4b4 c2c3 6.Kf2 c3c2
7.Ke3 f4 8.Kd3 c2c5 9.Ke2 c5e5
10.Kf3 e5e3 11.Kg4
<14> +0.94 1:00 38613691 1.g4d4 h2h3 2.Kf2 h3h2 3.Kg3 h2c2
4.b5 f5 5.d4b4 c2c3 6.Kf2
Computed move : g4d4
NPS: 643454
solution found [24/33], time: 19.67, points: 14, nodes: 14341950!
![[Diagram of position #34]](diagrams/pet34.png)
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Black to move
FEN : 3r4/7p/Rp4k1/5p2/4p3/2P5/PP3P1P/5K2 b - -
Best Move : Rd2
Position ID: "PET034: rook endgame"
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depth value time nodes pv
1 -1.04 0.00 130 1... d8d1 2.Kg2 d1d6
8/1 -0.91 0.00 176 1... d8d6
<1> -0.91 0.00 193 1... d8d6
2 -1.12 0.00 219 1... d8d6 2.a6a8
<2> -1.12 0.00 542 1... d8d6 2.a6a8
3 -1.12 0.00 675 1... d8d6 2.a6a7 h6
19/3 -1.10 0.00 1787 1... d8b8 2.Kg2 Kf6
<3> -1.10 0.00 1889 1... d8b8 2.Kg2 Kf6
4 -1.31 0.01 2162 1... d8b8 2.Kg2 Kf6 3.a6a7
2/4 -1.12 0.01 2525 1... d8d6 2.a6a7 d6d2 3.b3
<4> -1.12 0.01 4281 1... d8d6 2.a6a7 d6d2 3.b3
5 -1.05 0.01 6487 1... d8d6 2.a6a4 d6d2 3.a4b4 d2d6
<5> -1.05 0.03 9428 1... d8d6 2.a6a4 d6d2 3.a4b4 d2d6
6 -1.28 0.04 15535 1... d8d6 2.a6a4 b5 3.a4d4 d6a6
4.a3
<6> -1.28 0.17 88604 1... d8d6 2.a6a4 b5 3.a4d4 d6a6
4.a3
7 -1.29 0.18 98475 1... d8d6 2.a6a4 Kf6 3.a4d4 d6e6
4.Ke2 b5
3/7 -1.27 0.25 128238 1... d8b8 2.Ke2 f4 3.a6a7 b8d8
4.a7e7 f3 5.Ke3
<7> -1.27 0.26 135583 1... d8b8 2.Ke2 f4 3.a6a7 b8d8
4.a7e7 f3 5.Ke3
8 -1.40 0.36 196907 1... d8b8 2.Ke2 f4 3.a6a7 h6
4.a7d7 f3 5.Ke3 b8e8
2/8 -1.26 0.42 234011 1... d8d6 2.a6a4 Kg5 3.a4d4 d6g6
4.d4d7 h6 5.Ke2 Kf4
<8> -1.26 0.48 265229 1... d8d6 2.a6a4 Kg5 3.a4d4 d6g6
4.d4d7 h6 5.Ke2 Kf4
2/9 -1.34 0.87 493637 1... d8b8 2.Ke2 h6 3.a6a4 Kf6
4.a4d4 Ke5 5.a3 b8g8 6.Ke3
<9> -1.34 1.04 598625 1... d8b8 2.Ke2 h6 3.a6a4 Kf6
4.a4d4 Ke5 5.a3 b8g8 6.Ke3
10 -1.42 1.56 908503 1... d8b8 2.Ke2 f4 3.a6a7 h5
4.a7d7 Kf6 5.d7d5 h4 6.b4
<10> -1.42 1.78 1039057 1... d8b8 2.Ke2 f4 3.a6a7 h5
4.a7d7 Kf6 5.d7d5 h4 6.b4
11 -1.35 3.43 2013490 1... d8b8 2.Ke2 f4 3.a4 Kf5
4.a6a7 h6 5.a7d7 Ke5 6.d7e7 Kd5
7.c4 Kxc4 8.e7xe4 Kb3
<11> -1.35 3.98 2343871 1... d8b8 2.Ke2 f4 3.a4 Kf5
4.a6a7 h6 5.a7d7 Ke5 6.d7e7 Kd5
7.c4 Kxc4 8.e7xe4 Kb3
12 -1.40 7.06 4175033 1... d8b8 2.Ke2 f4 3.a4 Kf5
4.a6a7 h5 5.a7d7 Kg4 6.d7d4 b8e8
7.d4d6 f3 8.Ke3
<12> -1.40 8.93 5259014 1... d8b8 2.Ke2 f4 3.a4 Kf5
4.a6a7 h5 5.a7d7 Kg4 6.d7d4 b8e8
7.d4d6 f3 8.Ke3
13 -1.41 18.07 10691672 1... d8b8 2.Ke2 Kg5 3.a6a7 h5
4.a7d7 Kf4 5.d7d6 b5 6.d6d5 b8b6
7.Kd2 b6b7 8.Ke2
<13> -1.41 20.11 11922613 1... d8b8 2.Ke2 Kg5 3.a6a7 h5
4.a7d7 Kf4 5.d7d6 b5 6.d6d5 b8b6
7.Kd2 b6b7 8.Ke2
14 -1.42 38.37 22772603 1... d8b8 2.Ke2 Kg5 3.a6a7 h5
4.a7d7 Kf4 5.d7d6 b5 6.d6d5 b8b6
7.a3 b6b7 8.h3 b7b6 9.d5d8
<14> -1.42 44.65 26509477 1... d8b8 2.Ke2 Kg5 3.a6a7 h5
4.a7d7 Kf4 5.d7d6 b5 6.d6d5 b8b6
7.a3 b6b7 8.h3 b7b6 9.d5d8
<15> -1.42 1:00 35594811 1... d8b8 2.Ke2 Kg5 3.a6a7 h5
4.a7d7 Kf4 5.d7d6 b5 6.d6d5 b8b6
7.a3 b6b7 8.h3 b7b6 9.Kd1 b6b7
10.Ke2
Computed move : d8b8
NPS: 593147
no solution found [:-( [24/34]!
![[Diagram of position #35]](diagrams/pet35.png)
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Black to move
FEN : 8/8/p2k3p/1P1p1pp1/P1r5/1R1K1PP1/7P/8 b - -
Best Move : a5
Position ID: "PET035: rook endgame"
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depth value time nodes pv
1 +1.30 0.00 4 1... c4xa4
<1> +1.30 0.00 54 1... c4xa4
? 2 +0.23 0.00 286 1... c4xa4 2.b6
<2> +0.23 0.02 446 1... c4xa4 2.b6
3 +0.45 0.02 575 1... c4xa4 2.b6 Ke5
<3> +0.45 0.02 1173 1... c4xa4 2.b6 Ke5
4 +0.15 0.02 1803 1... c4xa4 2.b6 Ke5 3.b7 a4d4
4.Ke3
<4> +0.15 0.02 3480 1... c4xa4 2.b6 Ke5 3.b7 a4d4
4.Ke3
? 4/5 -0.41 0.06 23413 1... Kc7 2.a5 c4a4 3.b5xa6 a4xa5
4.Kd4 a5xa6 5.Kxd5
<5> -0.41 0.08 27720 1... Kc7 2.a5 c4a4 3.b5xa6 a4xa5
4.Kd4 a5xa6 5.Kxd5
6 -0.41 0.09 33629 1... Kc7 2.a5 c4a4 3.b5xa6 a4xa5
4.Kd4 a5xa6 5.Kxd5
<6> -0.41 0.11 43842 1... Kc7 2.a5 c4a4 3.b5xa6 a4xa5
4.Kd4 a5xa6 5.Kxd5
7 -0.38 0.16 66980 1... Kc7 2.a5 c4a4 3.b5xa6 a4xa5
4.Kd4 a5xa6 5.Kxd5 a6c6
<7> -0.38 0.22 96035 1... Kc7 2.a5 c4a4 3.b5xa6 a4xa5
4.Kd4 a5xa6 5.Kxd5 a6c6
8 -0.70 0.31 160852 1... Kc7 2.b3c3 c4xc3 3.Kxc3 a6xb5
4.a4xb5 Kb6 5.Kd4 Kxb5 6.Kxd5 Kb4
7.Ke5 g4
13/8 -0.68 0.49 250704 1... a6xb5 2.a4xb5 c4c7 3.b6 c7b7
4.Kd4 f4 5.g3xf4 g5xf4
<8> -0.68 0.49 255690 1... a6xb5 2.a4xb5 c4c7 3.b6 c7b7
4.Kd4 f4 5.g3xf4 g5xf4
9 -0.40 0.55 289927 1... a6xb5 2.a4xb5 c4c7 3.b6 c7b7
4.Kd4 Kc6 5.f4 b7xb6 6.b3xb6 Kxb6
7.f4xg5 h6xg5 8.Kxd5
<9> -0.40 0.70 390081 1... a6xb5 2.a4xb5 c4c7 3.b6 c7b7
4.Kd4 Kc6 5.f4 b7xb6 6.b3xb6 Kxb6
7.f4xg5 h6xg5 8.Kxd5
10 -0.51 0.84 468834 1... a6xb5 2.a4xb5 c4c7 3.b6 c7b7
4.Kd4 Kc6 5.f4 g5xf4 6.g3xf4 b7xb6
7.b3xb6 Kxb6 8.Kxd5 Kc7
<10> -0.51 1.33 749477 1... a6xb5 2.a4xb5 c4c7 3.b6 c7b7
4.Kd4 Kc6 5.f4 g5xf4 6.g3xf4 b7xb6
7.b3xb6 Kxb6 8.Kxd5 Kc7
11 -0.64 1.56 892710 1... a6xb5 2.a4xb5 c4c7 3.b6 c7b7
4.Kd4 Kc6 5.f4 g5xf4 6.g3xf4 h5
7.b3c3 Kd6 8.c3b3 Kc6 9.b3c3 Kd6
10.c3b3 Kc6 11.b3c3
<11> -0.64 2.42 1375854 1... a6xb5 2.a4xb5 c4c7 3.b6 c7b7
4.Kd4 Kc6 5.f4 g5xf4 6.g3xf4 h5
7.b3c3 Kd6 8.c3b3 Kc6 9.b3c3 Kd6
10.c3b3 Kc6 11.b3c3 Kd6 12.c3b3 Kc6
13.b3c3 Kd6
12 -0.65 3.99 2270898 1... a6xb5 2.a4xb5 c4c7 3.b6 c7b7
4.Kd4 Kc6 5.f4 g4 6.Ke5 h5
7.b3c3 Kd7 8.c3d3 b7xb6 9.d3xd5 Kc6
<12> -0.65 9.14 5393815 1... a6xb5 2.a4xb5 c4c7 3.b6 c7b7
4.Kd4 Kc6 5.f4 g4 6.Ke5 h5
7.b3c3 Kd7 8.c3d3 b7xb6 9.d3xd5 Kc6
13 -0.70 14.67 8678841 1... a6xb5 2.a4xb5 c4c8 3.b6 g4
4.f3xg4 f5xg4 5.Kd4 c8b8 6.b3b5 Kc6
7.b5xd5 b8xb6 8.Ke5 h5 9.d5d6 Kc5
10.d6xb6 Kxb6
<13> -0.70 21.64 12933782 1... a6xb5 2.a4xb5 c4c8 3.b6 g4
4.f3xg4 f5xg4 5.Kd4 c8b8 6.b3b5 Kc6
7.b5xd5 b8xb6 8.Ke5 h5 9.d5d6 Kc5
10.d6xb6 Kxb6
14 -0.68 32.52 19453850 1... a6xb5 2.a4xb5 c4c8 3.b6 g4
4.f4 c8e8 5.b7 e8b8 6.Kd4 Kc6
7.Ke5 h5 8.b3c3 Kd7 9.Kxd5 b8xb7
10.Ke5 b7b5
<14> -0.68 1:00 34309056 1... a6xb5 2.a4xb5 c4c8 3.b6 g4
4.f4 c8e8 5.b7 e8b8 6.Kd4 Kc6
7.Ke5 h5 8.b3c3 Kd7 9.Kxd5 b8xb7
10.Ke5 b7b5
Computed move : a6xb5
NPS: 571627
no solution found [:-( [24/35]!
![[Diagram of position #36]](diagrams/pet36.png)
|
Black to move
FEN : 8/1r3pkp/R7/6Pp/8/4P3/5PK1/8 b - -
Best Move : Re7
Position ID: "PET036: rook endgame"
|
depth value time nodes pv
1 +0.12 0.00 2 1... h4
<1> +0.12 0.00 19 1... h4
5/2 -0.18 0.00 140 1... b7b5 2.f4
<2> -0.18 0.02 196 1... b7b5 2.f4
3 +0.12 0.02 396 1... b7b5 2.f4 h4
<3> +0.12 0.02 498 1... b7b5 2.f4 h4
4 -0.08 0.02 1254 1... b7b5 2.f4 b5b2 3.Kg3 b2e2
<4> -0.08 0.02 2732 1... b7b5 2.f4 b5b2 3.Kg3 b2e2
5 +0.04 0.02 4454 1... b7b5 2.f4 b5b3 3.Kf3 h4
<5> +0.04 0.03 5602 1... b7b5 2.f4 b5b3 3.Kf3 h4
3/6 -0.18 0.05 13530 1... b7b4 2.f4 b4e4 3.Kf3 e4e6
4.a6a7
<6> -0.18 0.05 16122 1... b7b4 2.f4 b4e4 3.Kf3 e4e6
4.a6a7
7 -0.13 0.06 27525 1... b7b4 2.f4 b4e4 3.Kf3 e4e6
4.a6a8 h4 5.f5
<7> -0.13 0.08 34594 1... b7b4 2.f4 b4e4 3.Kf3 e4e6
4.a6a8 h4 5.f5
8 -0.13 0.14 64992 1... b7b4 2.f4 b4e4 3.Kf3 e4e6
4.a6a8 h4 5.f5 e6e7
2/8 -0.10 0.22 118893 1... b7e7 2.Kg3 e7e4 3.Kh3 e4e6
4.a6a5 h6 5.Kh4
<8> -0.10 0.24 124176 1... b7e7 2.Kg3 e7e4 3.Kh3 e4e6
4.a6a5 h6 5.Kh4
9 -0.12 0.31 178930 1... b7e7 2.Kh3 e7e6 3.a6xe6 f7xe6
4.Kh4 Kg6 5.f3 e5 6.f4 e5xf4
7.e3xf4
<9> -0.12 0.36 202679 1... b7e7 2.Kh3 e7e6 3.a6xe6 f7xe6
4.Kh4 Kg6 5.f3 e5 6.f4 e5xf4
7.e3xf4
10 -0.05 0.61 358342 1... b7e7 2.Kh3 e7e6 3.a6a8 e6e4
4.a8a6
<10> -0.05 0.67 403303 1... b7e7 2.Kh3 e7e6 3.a6a8 e6e4
4.a8a6
11 -0.02 1.19 743305 1... b7e7 2.Kh3 e7e6 3.a6a8 e6e4
4.a8d8 e4g4 5.f4 h6 6.g5xh6 Kxh6
7.d8h8 Kg6 8.Kh2 f6
<11> -0.02 1.42 899601 1... b7e7 2.Kh3 e7e6 3.a6a8 e6e4
4.a8d8 e4g4 5.f4 h6 6.g5xh6 Kxh6
7.d8h8 Kg6 8.Kh2 f6
12 -0.01 2.41 1589952 1... b7e7 2.Kh3 e7e6 3.a6xe6 f7xe6
4.Kh4 Kg6 5.f3 e5 6.f4 e5xf4
7.e3xf4 h6 8.g5xh6 Kxh6 9.f5 Kh7
10.Kxh5 Kg7
<12> -0.01 3.03 2013963 1... b7e7 2.Kh3 e7e6 3.a6xe6 f7xe6
4.Kh4 Kg6 5.f3 e5 6.f4 e5xf4
7.e3xf4 h6 8.g5xh6 Kxh6 9.f5 Kh7
10.Kxh5 Kg7
13 -0.35 5.13 3536943 1... b7e7 2.a6h6 e7e5 3.h6xh5 Kg6
4.h5h6 Kg7 5.f4 e5xe3 6.f5 Kg8
7.f6 e3a3 8.h6h5 a3d3 9.h5h4 d3e3
10.h4h1
<13> -0.35 8.49 5823286 1... b7e7 2.a6h6 e7e5 3.h6xh5 Kg6
4.h5h6 Kg7 5.f4 e5xe3 6.f5 Kg8
7.f6 e3a3 8.h6h5 a3d3 9.h5h4 d3e3
10.h4h1
14 -0.35 13.22 9222507 1... b7e7 2.a6h6 e7e5 3.h6xh5 Kg6
4.h5h6 Kg7 5.f4 e5xe3 6.f5 Kg8
7.f6 e3a3 8.h6h5 a3d3 9.h5h4 d3e3
10.h4h1 e3d3
<14> -0.35 18.83 13146585 1... b7e7 2.a6h6 e7e5 3.h6xh5 Kg6
4.h5h6 Kg7 5.f4 e5xe3 6.f5 Kg8
7.f6 e3a3 8.h6h5 a3d3 9.h5h4 d3e3
10.h4h1 e3d3
15 -0.27 32.89 23327134 1... b7e7 2.a6h6 e7e5 3.h6xh5 Kg6
4.h5h6 Kg7 5.f4 e5xe3 6.Kf2 e3e6
7.h6h1 e6e7 8.Kf3 f6 9.g5xf6 Kxf6
10.h1h6 Kg7 11.h6d6 e7f7
<15> -0.27 47.28 33339838 1... b7e7 2.a6h6 e7e5 3.h6xh5 Kg6
4.h5h6 Kg7 5.f4 e5xe3 6.Kf2 e3e6
7.h6h1 e6e7 8.Kf3 f6 9.g5xf6 Kxf6
10.h1h6 Kg7 11.h6d6 e7f7
<16> -0.27 1:00 42750623 1... b7e7 2.a6h6 e7e5 3.h6xh5 Kg6
4.h5h6 Kg7 5.f4 e5xe3 6.Kf2 e3e6
7.h6h1 e6e7 8.Kf3 f6 9.h1h6 f6xg5
10.f4xg5 e7f7 11.Ke4 f7e7 12.Kf5 e7f7
Computed move : b7e7
NPS: 712272
solution found [25/36], time: 0.22, points: 25, nodes: 124176!
![[Diagram of position #37]](diagrams/pet37.png)
|
Black to move
FEN : 8/pR4pk/1b6/2p5/N1p5/8/PP1r2PP/6K1 b - -
Best Move : Rxb2
Position ID: "PET037: RN vs RB"
|
depth value time nodes pv
1 -1.49 0.00 4 1... b6d8 2.b7xa7
3/1 -0.80 0.00 256 1... d2d1 2.Kf2 d1d2 3.Kf3
8/1 -0.60 0.01 280 1... d2d6
<1> -0.60 0.01 316 1... d2d6
2 -0.90 0.01 359 1... d2d6 2.a4c3
2/2 -0.71 0.01 1839 1... d2d1 2.Kf2 d1d6 3.Kf3 Kg6
<2> -0.71 0.01 1957 1... d2d1 2.Kf2 d1d6 3.Kf3 Kg6
3 -0.76 0.03 5939 1... d2d1 2.Kf2 d1d6 3.b7e7 d6d2
4.Kf3 c3
2/3 -0.70 0.03 6151 1... d2d6 2.a4c3 d6f6
<3> -0.70 0.03 6727 1... d2d6 2.a4c3 d6f6
4 -0.69 0.03 7656 1... d2d6 2.Kf2 d6f6 3.Ke3 Kg6
<4> -0.69 0.06 18584 1... d2d6 2.Kf2 d6f6 3.Ke3 Kg6
5 -0.62 0.07 22098 1... d2d6 2.h3 d6d2 3.Kh2 d2d6
<5> -0.62 0.10 38233 1... d2d6 2.h3 d6d2 3.Kh2 d2d6
6 -0.71 0.15 63339 1... d2d6 2.h3 Kg6 3.Kf2 d6f6
4.Ke3 f6d6
<6> -0.71 0.29 136120 1... d2d6 2.h3 Kg6 3.Kf2 d6f6
4.Ke3 f6d6
7 -0.75 0.37 169311 1... d2d6 2.Kf2 d6f6 3.Ke3 f6g6
4.Kf3 g6f6 5.Ke4 Kg6
2/7 -0.71 0.56 275154 1... d2d1 2.Kf2 d1d2 3.Kf3 c3
4.b2xc3 d2xa2 5.a4xb6 a7xb6 6.b7xb6 a2a3
7.Ke4 a3xc3 8.b6c6 c4
3/7 -0.60 0.65 320348 1... Kg6 2.h3 d2d6 3.Kf2 Kf6
4.Kf3 d6e6
<7> -0.60 0.68 336289 1... Kg6 2.h3 d2d6 3.Kf2 Kf6
4.Kf3 d6e6
8 -0.72 0.85 427812 1... Kg6 2.h3 d2d6 3.Kf2 d6d3
4.Ke2 d3d6 5.a4c3 d6d3
2/8 -0.60 1.18 605684 1... d2d1 2.Kf2 d1d2 3.Kf3 c3
4.b2xc3 d2xa2 5.a4xb6 a7xb6 6.b7xb6 a2a3
7.b6c6 a3xc3 8.Ke4 c4 9.g3
! 4/8 -0.18 1.90 969357 1... b6d8
! 8 -0.19 2.12 1079968 1... b6d8 2.a3 d8f6 3.g3 Kg6
4.Kh1 d2f2 5.a4c3 f6xc3 6.b2xc3
<8> -0.19 2.14 1087035 1... b6d8 2.a3 d8f6 3.g3 Kg6
4.Kh1 d2f2 5.a4c3 f6xc3 6.b2xc3
9 -0.19 2.43 1249658 1... b6d8 2.a3 d8f6 3.g3 Kg6
4.Kh1 d2f2 5.a4c3 f6xc3 6.b2xc3 a5
<9> -0.19 2.50 1280264 1... b6d8 2.a3 d8f6 3.g3 Kg6
4.Kh1 d2f2 5.a4c3 f6xc3 6.b2xc3 a5
10 -0.09 3.64 1885869 1... b6d8 2.a3 d8f6 3.g3 Kg6
4.Kh1 d2f2 5.b7xa7 f6xb2 6.a4xc5 f2f1
7.Kg2 f1a1
<10> -0.09 3.79 1971112 1... b6d8 2.a3 d8f6 3.g3 Kg6
4.Kh1 d2f2 5.b7xa7 f6xb2 6.a4xc5 f2f1
7.Kg2 f1a1
11 -0.08 6.18 3264158 1... b6d8 2.a3 d8f6 3.g3 Kg6
4.Kh1 d2f2 5.b7xa7 f6xb2 6.a4xc5 b2e5
7.a7a6 Kf5 8.a6e6
<11> -0.08 6.54 3474881 1... b6d8 2.a3 d8f6 3.g3 Kg6
4.Kh1 d2f2 5.b7xa7 f6xb2 6.a4xc5 b2e5
7.a7a6 Kf5 8.a6e6
12 -0.14 10.31 5585380 1... b6d8 2.g3 d8f6 3.Kh1 c3
4.a4xc3 f6xc3 5.b2xc3 d2xa2 6.b7c7 a2c2
7.c7xc5 Kg6 8.c5c6 Kf5 9.c4
<12> -0.14 11.39 6241868 1... b6d8 2.g3 d8f6 3.Kh1 c3
4.a4xc3 f6xc3 5.b2xc3 d2xa2 6.b7c7 a2c2
7.c7xc5 Kg6 8.c5c6 Kf5 9.c4
13 -0.01 22.23 12251068 1... b6d8 2.g3 d8f6 3.Kh1 Kg6
4.b7xa7 f6xb2 5.a7c7 b2d4 6.a4xc5 Kf5
7.c5a4 d2xa2 8.c7xc4 a2d2 9.a4c5
<13> -0.01 24.48 13611616 1... b6d8 2.g3 d8f6 3.Kh1 Kg6
4.b7xa7 f6xb2 5.a7c7 b2d4 6.a4xc5 Kf5
7.c5a4 d2xa2 8.c7xc4 a2d2 9.a4c5
14 +0.00 48.35 27156131 1... b6d8 2.g3 d8f6 3.Kh1 Kg6
4.a3 d2f2 5.a4c3 f2c2 6.c3a4 c2f2
7.a4c3 f2c2 8.c3a4 c2f2 9.a4c3
<14> +0.00 1:00 34516734 1... b6d8 2.g3 d8f6 3.Kh1 Kg6
4.a3 d2f2 5.a4c3 f2c2 6.c3a4 c2f2
7.a4c3 f2c2 8.c3a4 c2f2 9.a4c3 f2c2
10.c3a4 c2f2 11.a4c3 f2c2
Computed move : b6d8
NPS: 575278
no solution found [:-( [25/37]!
![[Diagram of position #38]](diagrams/pet38.png)
|
Black to move
FEN : 4k3/2p1b3/4p1p1/1pp1P3/5PP1/1PBK4/r1P2R2/8 b - -
Best Move : c4+
Position ID: "PET038: RB vs RB"
|
depth value time nodes pv
1 -0.74 0.00 2 1... a2a8
<1> -0.74 0.00 57 1... a2a8
2 -0.83 0.00 91 1... a2a8 2.Ke4
14/2 -0.69 0.02 292 1... b4 2.c3d2
<2> -0.69 0.02 329 1... b4 2.c3d2
3 -0.54 0.02 463 1... b4 2.c3d2 Kf7
<3> -0.54 0.02 855 1... b4 2.c3d2 Kf7
4 -0.64 0.02 1424 1... b4 2.c3d2 Kf7 3.d2c1
<4> -0.64 0.02 2846 1... b4 2.c3d2 Kf7 3.d2c1
5 -0.53 0.03 4957 1... b4 2.c3d2 Kd7 3.f2h2 Kc6
<5> -0.53 0.03 7271 1... b4 2.c3d2 Kd7 3.f2h2 Kc6
6 -0.66 0.03 10036 1... b4 2.c3d2 Kd7 3.f2h2 a2a1
4.d2e3
<6> -0.66 0.09 37793 1... b4 2.c3d2 Kd7 3.f2h2 a2a1
4.d2e3
7 -0.66 0.12 46537 1... b4 2.c3d2 Kd7 3.f2h2 a2a8
4.d2e3 Kc6 5.Ke4
<7> -0.66 0.23 100682 1... b4 2.c3d2 Kd7 3.f2h2 a2a8
4.d2e3 Kc6 5.Ke4
8 -0.61 0.27 117400 1... b4 2.c3d2 Kd7 3.f2h2 a2a8
4.d2e3 Kc6 5.h2h7 a8d8 6.Ke4
<8> -0.61 0.31 147544 1... b4 2.c3d2 Kd7 3.f2h2 a2a8
4.d2e3 Kc6 5.h2h7 a8d8 6.Ke4
9 -0.66 0.39 187808 1... b4 2.c3d2 Kd7 3.f2h2 a2a8
4.d2e3 a8d8 5.Ke4 Kc6 6.g5
3/9 -0.52 0.91 455864 1... a2a3 2.c3b2 c4 3.Kc3 a3a6
4.b3xc4 a6c6 5.Kd3 c6xc4 6.b2d4 Kf7
<9> -0.52 0.95 475925 1... a2a3 2.c3b2 c4 3.Kc3 a3a6
4.b3xc4 a6c6 5.Kd3 c6xc4 6.b2d4 Kf7
10 -0.48 1.47 753458 1... a2a3 2.c3b2 c4 3.Kc3 a3a6
4.b3xc4 a6c6 5.Kd3 c6xc4 6.b2d4 Kf7
7.f2h2 c4a4
<10> -0.48 1.67 864497 1... a2a3 2.c3b2 c4 3.Kc3 a3a6
4.b3xc4 a6c6 5.Kd3 c6xc4 6.b2d4 Kf7
7.f2h2 c4a4
11 -0.54 2.27 1171079 1... a2a3 2.c3b2 c4 3.Kc3 a3a6
4.b3xc4 a6c6 5.Kd3 c6xc4 6.b2d4 c4a4
7.f2d2 Kf7 8.Ke4
<11> -0.54 2.89 1509206 1... a2a3 2.c3b2 c4 3.Kc3 a3a6
4.b3xc4 a6c6 5.Kd3 c6xc4 6.b2d4 c4a4
7.f2d2 Kf7 8.Ke4
12 -0.47 4.62 2416980 1... a2a3 2.c3b2 c4 3.Kc3 a3a6
4.b3xc4 a6c6 5.Kd3 c6xc4 6.b2d4 c4a4
7.f2h2 Kd7 8.h2d2 c5 9.d4e3
<12> -0.47 5.75 3022926 1... a2a3 2.c3b2 c4 3.Kc3 a3a6
4.b3xc4 a6c6 5.Kd3 c6xc4 6.b2d4 c4a4
7.f2h2 Kd7 8.h2d2 c5 9.d4e3
13 -0.41 12.19 6431085 1... a2a3 2.c3b2 c4 3.Kc3 a3a6
4.b3xc4 a6c6 5.Kd3 c6xc4 6.b2d4 c4a4
7.f2h2 c5 8.d4e3 Kd7 9.h2h7 a4a1
2/13 -0.28 17.25 9366638 1... c4 2.b3xc4 a2a3 3.Kd2 e7c5
4.f2f1 c5e3 5.Kxe3 a3xc3 6.Kd2 c3xc4
7.Kd3 Kd7 8.g5 Kc6 9.f1f2 c4a4
10.Kc3
<13> -0.28 17.69 9605762 1... c4 2.b3xc4 a2a3 3.Kd2 e7c5
4.f2f1 c5e3 5.Kxe3 a3xc3 6.Kd2 c3xc4
7.Kd3 Kd7 8.g5 Kc6 9.f1f2 c4a4
10.Kc3
14 -0.21 25.56 14105279 1... c4 2.b3xc4 a2a3 3.Kd2 e7c5
4.f2f1 c5e3 5.Kxe3 a3xc3 6.Kd2 c3xc4
7.g5 Kd7 8.f1f3 Kc6 9.f3c3 c4xc3
10.Kxc3 Kd5 11.Kd3 b4 12.Ke3
<14> -0.21 26.25 14490791 1... c4 2.b3xc4 a2a3 3.Kd2 e7c5
4.f2f1 c5e3 5.Kxe3 a3xc3 6.Kd2 c3xc4
7.g5 Kd7 8.f1f3 Kc6 9.f3c3 c4xc3
10.Kxc3 Kd5 11.Kd3 b4 12.Ke3
15 -0.17 49.94 28013013 1... c4 2.b3xc4 a2a3 3.Kd2 e7c5
4.f2f1 c5e3 5.Kxe3 a3xc3 6.Kd2 c3xc4
7.g5 Kd7 8.f1f3 c5 9.f3d3 Ke7
10.d3c3 c4xf4 11.c3xc5 b4 12.c5c7 Kd8
13.Ke3 f4f2
<15> -0.17 54.87 30828465 1... c4 2.b3xc4 a2a3 3.Kd2 e7c5
4.f2f1 c5e3 5.Kxe3 a3xc3 6.Kd2 c3xc4
7.g5 Kd7 8.f1f3 c5 9.f3d3 Ke7
10.d3c3 c4xf4 11.c3xc5 b4 12.c5c7 Kd8
13.Ke3 f4f2
<16> -0.17 1:00 34003477 1... c4 2.b3xc4 a2a3 3.Kd2 e7c5
4.f2f1 c5e3 5.Kxe3 a3xc3 6.Kd2 c3xc4
7.g5 Kd7 8.f1f3 c5 9.Kd3 c4a4
10.f3f1 Kc6 11.f1f2 Kd5 12.c3 a4a1
Computed move : c4
NPS: 566724
solution found [26/38], time: 17.25, points: 14, nodes: 9605762!
![[Diagram of position #39]](diagrams/pet39.png)
|
Black to move
FEN : 1r6/1pb1k1p1/4p2p/1p1p4/3Pp2P/1R2P1PB/1P2PK2/8 b - -
Best Move : b4
Position ID: "PET039: RB vs RB"
|
depth value time nodes pv
1 +0.24 0.00 3 1... c7d6 2.b3xb5
3/1 +0.73 0.02 125 1... b8f8 2.Kg2 b6 3.b3xb5
<1> +0.73 0.02 192 1... b8f8 2.Kg2 b6 3.b3xb5
2 +0.73 0.02 424 1... b8f8 2.Kg2 b6 3.b3xb5
<2> +0.73 0.02 586 1... b8f8 2.Kg2 b6 3.b3xb5
3 +0.75 0.02 2630 1... b8f8 2.Kg2 b6 3.h3g4 Kf6
4.b3xb5
<3> +0.75 0.04 3354 1... b8f8 2.Kg2 b6 3.h3g4 Kf6
4.b3xb5
4 +0.65 0.04 6777 1... b8f8 2.Kg2 b6 3.b3xb5 Kf6
4.b5b3
<4> +0.65 0.05 9378 1... b8f8 2.Kg2 b6 3.b3xb5 Kf6
4.b5b3
5 +0.63 0.07 17527 1... b8f8 2.Kg2 b6 3.b3xb5 g6
4.b5b3 Kf6 5.Kf2
<5> +0.63 0.08 20323 1... b8f8 2.Kg2 b6 3.b3xb5 g6
4.b5b3 Kf6 5.Kf2
6 +0.63 0.10 33230 1... b8f8 2.Kg2 b6 3.b3xb5 g5
4.h4xg5 h6xg5 5.b5b3 Kf6
<6> +0.63 0.11 38369 1... b8f8 2.Kg2 b6 3.b3xb5 g5
4.h4xg5 h6xg5 5.b5b3 Kf6
7 +0.52 0.19 76789 1... b8f8 2.Kg2 b6 3.b3xb5 Kf7
4.b5b3 Kf6 5.Kh2 f8f7
<7> +0.52 0.25 108074 1... b8f8 2.Kg2 b6 3.b3xb5 Kf7
4.b5b3 Kf6 5.Kh2 f8f7
8 +0.46 0.41 194581 1... b8f8 2.Kg2 b6 3.b3xb5 Kf7
4.b5b3 Kf6 5.Kh2 f8f7 6.b3c3 c7d6
7.h3g4
! 8/8 +0.94 0.49 234384 1... b4
! 8 +1.42 0.52 249000 1... b4 2.b3xb4 b5 3.h5 c7d6
4.b4b3 b8f8 5.Ke1 b4 6.Kd2
<8> +1.42 0.52 251170 1... b4 2.b3xb4 b5 3.h5 c7d6
4.b4b3 b8f8 5.Ke1 b4 6.Kd2
9 +1.49 0.57 270342 1... b4 2.b3xb4 b5 3.Kg2 c7d6
4.b4b3 b4 5.Kh2 b8f8 6.h3g4
<9> +1.49 0.58 279510 1... b4 2.b3xb4 b5 3.Kg2 c7d6
4.b4b3 b4 5.Kh2 b8f8 6.h3g4
10 +1.60 0.68 330163 1... b4 2.b3xb4 b5 3.Kg2 c7d6
4.b4b3 b4 5.h3g4 b8f8 6.h5 Kf6
7.Kf2
<10> +1.60 0.71 349194 1... b4 2.b3xb4 b5 3.Kg2 c7d6
4.b4b3 b4 5.h3g4 b8f8 6.h5 Kf6
7.Kf2
11 +1.53 0.85 424417 1... b4 2.b3xb4 b5 3.b4b3 b4
4.g4 c7d6 5.h3g2 b8f8 6.Ke1 Kf6
7.Kd2 f8c8 8.h5
<11> +1.53 0.93 469104 1... b4 2.b3xb4 b5 3.b4b3 b4
4.g4 c7d6 5.h3g2 b8f8 6.Ke1 Kf6
7.Kd2 f8c8 8.h5
12 +1.59 1.18 615153 1... b4 2.b3xb4 b5 3.b4b3 b4
4.g4 c7d6 5.h3g2 b8f8 6.Ke1 Kf6
7.Kd2 f8c8 8.h5 c8c6 9.Ke1
<12> +1.59 1.32 694858 1... b4 2.b3xb4 b5 3.b4b3 b4
4.g4 c7d6 5.h3g2 b8f8 6.Ke1 Kf6
7.Kd2 f8c8 8.h5 c8c6 9.Ke1
13 +1.60 1.91 1021883 1... b4 2.b3xb4 b5 3.b4b3 b4
4.g4 c7d6 5.h3g2 Kf6 6.h5 b8f8
7.Ke1 Kg5 8.g2h3 Kf6 9.Kd2
<13> +1.60 2.10 1146370 1... b4 2.b3xb4 b5 3.b4b3 b4
4.g4 c7d6 5.h3g2 Kf6 6.h5 b8f8
7.Ke1 Kg5 8.g2h3 Kf6 9.Kd2
14 +1.61 3.33 1812477 1... b4 2.b3xb4 b5 3.b4b3 b4
4.g4 c7d6 5.h3g2 Kf6 6.g2f1 b8f8
7.Ke1 g5 8.h5 f8b8 9.f1g2 b8f8
<14> +1.61 3.68 2024647 1... b4 2.b3xb4 b5 3.b4b3 b4
4.g4 c7d6 5.h3g2 Kf6 6.g2f1 b8f8
7.Ke1 g5 8.h5 f8b8 9.f1g2 b8f8
15 +1.61 5.38 2961245 1... b4 2.b3xb4 b5 3.b4b3 b4
4.g4 c7d6 5.h5 b8f8 6.Ke1 Kf6
7.Kd1 f8c8 8.Kd2 c8c7 9.h3g2 Kg5
10.g2h3 Kf6 11.h3g2 Kg5 12.g2h3 Kf6
13.h3g2
<15> +1.61 5.96 3317973 1... b4 2.b3xb4 b5 3.b4b3 b4
4.g4 c7d6 5.h5 b8f8 6.Ke1 Kf6
7.Kd1 f8c8 8.Kd2 c8c7 9.h3g2 Kg5
10.g2h3 Kf6 11.h3g2 Kg5 12.g2h3 Kf6
13.h3g2 Kg5 14.g2h3 Kf6 15.h3g2 Kg5
16 +1.65 10.30 5696569 1... b4 2.b3xb4 b5 3.b4b3 b4
4.Kg2 c7d6 5.h3g4 b8f8 6.g4h5 Kf6
7.h5g4
<16> +1.65 11.41 6366720 1... b4 2.b3xb4 b5 3.b4b3 b4
4.Kg2 c7d6 5.h3g4 b8f8 6.g4h5 Kf6
7.h5g4
17 +1.65 14.75 8280929 1... b4 2.b3xb4 b5 3.b4b3 b4
4.Kg2 c7d6 5.h3g4 b8f8 6.h5 Kf6
7.Kg1 f8b8 8.Kf2 Ke7 9.Kg2 b8f8
10.Kh2 f8f2 11.Kh3 Kf6
<17> +1.65 16.64 9428626 1... b4 2.b3xb4 b5 3.b4b3 b4
4.Kg2 c7d6 5.h3g4 b8f8 6.h5 Kf6
7.Kg1 f8b8 8.Kf2 Ke7 9.Kg2 b8f8
10.Kh2 f8f2 11.Kh3 Kf6
18 +1.73 33.18 18573117 1... b4 2.b3xb4 b5 3.b4b3 b4
4.Kg2 c7d6 5.h3g4 b8f8 6.g4h3 g6
7.g4 Kd7 8.g5 h5 9.Kg1 f8f7
10.Kg2 Ke7 11.Kg1 Kd7 12.h3g2 Ke8
13.g2h3 Ke7 14.h3g2 Kd7
<18> +1.73 36.41 20494051 1... b4 2.b3xb4 b5 3.b4b3 b4
4.Kg2 c7d6 5.h3g4 b8f8 6.g4h3 g6
7.g4 Kd7 8.g5 h5 9.Kg1 f8f7
10.Kg2 Ke7 11.Kg1 Kd7 12.h3g2 Ke8
13.g2h3 Ke7 14.h3g2 Kd7
19 +1.73 45.54 25790530 1... b4 2.b3xb4 b5 3.b4b3 b4
4.Kg2 c7d6 5.h3g4 b8f8 6.g4h3 g6
7.h3g4 Kd7 8.Kg1 h5 9.g4h3 f8f6
10.g4 h5xg4 11.h3xg4 f6f7 12.Kg2 f7f8
<19> +1.73 51.97 29581030 1... b4 2.b3xb4 b5 3.b4b3 b4
4.Kg2 c7d6 5.h3g4 b8f8 6.g4h3 g6
7.h3g4 Kd7 8.Kg1 h5 9.g4h3 f8f6
10.g4 h5xg4 11.h3xg4 f6f7 12.Kg2 f7f8
<20> +1.73 1:00 33972256 1... b4 2.b3xb4 b5 3.b4b3 b4
4.Kg2 c7d6 5.h3g4 g6 6.Kf2 b8f8
7.Kg1 h5 8.g4h3 f8g8 9.h3g2 g5
10.Kh1 g5xh4 11.g3xh4 Kf6 12.Kg1 g8g4
13.Kf2 g4xh4
Computed move : b4
NPS: 566015
solution found [27/39], time: 0.49, points: 25, nodes: 234384!
![[Diagram of position #40]](diagrams/pet40.png)
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White to move
FEN : 7r/3bk3/2p2p2/2P1P3/1P3P2/6Kp/R7/5B2 w - -
Best Move : e6
Position ID: "PET040: RB vs RB"
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depth value time nodes pv
1 +0.64 0.00 82 1.e5xf6 Kxf6 2.a2h2
2/1 +0.79 0.00 88 1.Kh2
<1> +0.79 0.00 118 1.Kh2
2 +0.68 0.00 169 1.Kh2 d7g4
2/2 +0.95 0.02 654 1.e5xf6 Kxf6 2.a2h2 h8g8 3.Kf3
3/2 +1.00 0.02 967 1.a2h2 f6xe5 2.f4xe5
<2> +1.00 0.02 1124 1.a2h2 f6xe5 2.f4xe5
3 +0.87 0.02 1685 1.a2h2 h8g8 2.Kf3 g8h8
<3> +0.87 0.02 2244 1.a2h2 h8g8 2.Kf3 g8h8
4 +0.78 0.04 3286 1.a2h2 h8g8 2.Kf3 d7g4 3.Ke4 g8h8
<4> +0.78 0.04 5915 1.a2h2 h8g8 2.Kf3 d7g4 3.Ke4 g8h8
5 +0.91 0.05 8851 1.a2h2 h8g8 2.Kf3 g8h8 3.f1c4 d7e6
<5> +0.91 0.05 12784 1.a2h2 h8g8 2.Kf3 g8h8 3.f1c4 d7e6
6 +0.90 0.07 20052 1.a2h2 h8g8 2.Kf3 g8h8 3.f1d3 Ke6
4.e5xf6 Kxf6
<6> +0.90 0.10 32704 1.a2h2 h8g8 2.Kf3 g8h8 3.f1d3 Ke6
4.e5xf6 Kxf6
7 +0.60 0.18 71929 1.a2h2 h8g8 2.Kf2 f6xe5 3.f4xe5 g8f8
4.Ke1 f8h8 5.f1c4 d7e6
2/7 +0.76 0.25 114359 1.e5xf6 Kxf6 2.a2h2 h8g8 3.Kf2 g8h8
4.Kf3 h8h7 5.Kg3 h7g7 6.Kf3 g7h7
7.Kg3 h7g7
<7> +0.76 0.36 171812 1.e5xf6 Kxf6 2.a2h2 h8g8 3.Kf2 g8h8
4.Kf3 h8h7 5.Kg3 h7g7 6.Kf3 g7h7
7.Kg3 h7g7
8 +0.76 0.47 231025 1.e5xf6 Kxf6 2.a2h2 h8g8 3.Kf2 g8h8
4.Kf3 h8h7 5.Kg3 h7g7 6.Kf2 g7h7
7.Kf3
3/8 +0.92 0.66 326109 1.Kh2 h8h4 2.a2a7 Kd8 3.e5xf6 h4xf4
4.f1xh3 d7xh3 5.Kxh3 f4xf6
<8> +0.92 0.71 349825 1.Kh2 h8h4 2.a2a7 Kd8 3.e5xf6 h4xf4
4.f1xh3 d7xh3 5.Kxh3 f4xf6
9 +0.78 0.93 465583 1.Kh2 f6xe5 2.f4xe5 h8h5 3.a2e2 d7e6
4.e2e3 Kd7 5.e3d3 Kc8 6.d3e3 Kd7
7.e3d3 Kc8 8.d3e3 Kd7 9.e3d3
<9> +0.78 1.21 615204 1.Kh2 f6xe5 2.f4xe5 h8h5 3.a2e2 d7e6
4.e2e3 Kd7 5.e3d3 Kc8 6.d3e3 Kd7
7.e3d3 Kc8 8.d3e3 Kd7 9.e3d3 Kc8
10.d3e3 Kd7 11.e3d3 Kc8
10 +0.79 1.64 859425 1.Kh2 f6xe5 2.a2e2 d7f5 3.f4xe5 f5d3
4.e2f2 d3xf1 5.f2xf1 Ke6 6.f1f6 Kxe5
7.f6xc6
5/10 +0.89 4.71 2565709 1.e5xf6 Kxf6 2.Kh2 h8h4 3.a2f2 Kg6
4.f1d3 d7f5 5.d3e2 Kg7 6.b5 c6xb5
7.e2xb5 Kf6
<10> +0.89 5.11 2778500 1.e5xf6 Kxf6 2.Kh2 h8h4 3.a2f2 Kg6
4.f1d3 d7f5 5.d3e2 Kg7 6.b5 c6xb5
7.e2xb5 Kf6
11 +0.93 8.80 4894172 1.e5xf6 Kxf6 2.Kh2 h8h4 3.a2f2 Kg6
4.f1d3 d7f5 5.d3e2 f5d7 6.f2f1 h4h8
7.f1d1 h8h7 8.e2c4
<11> +0.93 11.22 6250787 1.e5xf6 Kxf6 2.Kh2 h8h4 3.a2f2 Kg6
4.f1d3 d7f5 5.d3e2 f5d7 6.f2f1 h4h8
7.f1d1 h8h7 8.e2c4
12 +0.93 23.10 13114603 1.e5xf6 Kxf6 2.Kh2 h8h4 3.a2f2 Kg6
4.f1d3 Kf6 5.d3e4 Ke7 6.f2f3 Kf6
7.f3f1 Ke7 8.f1f2 Kf6 9.f2f1 Ke7
<12> +0.93 30.52 17307347 1.e5xf6 Kxf6 2.Kh2 h8h4 3.a2f2 Kg6
4.f1d3 Kf6 5.d3e4 Ke7 6.f2f3 Kf6
7.f3f1 Ke7 8.f1f2 Kf6 9.f2f1 Ke7
<13> +0.93 1:00 34465516 1.e5xf6 Kxf6 2.Kh2 h8h4 3.a2f2 d7e6
4.b5 c6xb5 5.f1xb5 h4h5 6.f2c2 h5f5
7.Kg3 f5h5 8.b5c6 e6b3 9.c6f3
Computed move : e5xf6
NPS: 574425
no solution found [:-( [27/40]!