Brief overview: white got two pawns for the piece and the remaining pawns are stationated on the kingside. White can hope to trade off everything and rely on the fact that K vs NN is draw. Is there any winning prospects for black here?
[d]6k1/5pp1/4n2p/B7/1P6/P1n2P2/6PP/6K1 w - - 0 33
Drawish endgame
Moderators: hgm, Rebel, chrisw
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- Posts: 2821
- Joined: Fri Sep 25, 2015 9:38 pm
- Location: Sortland, Norway
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- Posts: 5228
- Joined: Thu Mar 09, 2006 9:40 am
- Full name: Vincent Lejeune
Re: Drawish endgame
SF likes the line :
[Event "Computer chess game"]
[Site "VINVIN-PC"]
[Date "2019.06.05"]
[Round "?"]
[White "Vinvin"]
[Black "Vinvin"]
[Result "*"]
[FEN "6k1/5pp1/4n2p/B7/1P6/P1n2P2/6PP/6K1 w - - 0 33"]
33. Kf2 Nd5 34. b5 Kf8 35. Ke2 Nc5 36. g4 Nb3 37. Be1 Nd4+ 38. Kd3 Nxb5 39.
Kc4 Nbc7 40. Kc5 Ke7 41. Kc6 Ke6 *
Analyze at the end :
[Event "Computer chess game"]
[Site "VINVIN-PC"]
[Date "2019.06.05"]
[Round "?"]
[White "Vinvin"]
[Black "Vinvin"]
[Result "*"]
[FEN "6k1/5pp1/4n2p/B7/1P6/P1n2P2/6PP/6K1 w - - 0 33"]
33. Kf2 Nd5 34. b5 Kf8 35. Ke2 Nc5 36. g4 Nb3 37. Be1 Nd4+ 38. Kd3 Nxb5 39.
Kc4 Nbc7 40. Kc5 Ke7 41. Kc6 Ke6 *
Analyze at the end :
Code: Select all
FEN: 8/2n2pp1/2K1k2p/3n4/6P1/P4P2/7P/4B3 w - - 6 42
Stockfish_19052509_x64_modern:
37/72 01:21 818 125 882 10 037 245 -2,64 42.f4 g6 43.Ba5 Ne8 44.f5+ gxf5 45.gxf5+ Ke5 46.Bd2 Nd6 47.Bxh6 Nxf5 48.Bd2 Nd4+ 49.Kb7 Ke6 50.Bh6 Nf5 51.Bc1 Nc3 52.Kb6 Kd5 53.Bg5 Ne4 54.Bc1 Nc5 55.Bg5 Nd6 56.h4 Nc4+ 57.Ka7 Ne6 58.Bc1 Ke4 59.Kb7 Nc5+ 60.Kc7 Kf5 61.Kc6 Nd3 62.Kb5
38/55 01:21 818 125 882 10 037 245 -2,74 42.a4 Ne8
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- Posts: 4565
- Joined: Sun Mar 12, 2006 2:40 am
- Full name:
Re: Drawish endgame
I have one deep search with a somewhat rising score, so I think it is promising. But Stockfish probably should have a better kingwalk score or something. I did not get the high score at the end of your PV for some reason, maybe because I had no tablebases, but I get much more drawish score, could be your result is because of the much deeper search at the start position.
This is not the best Kaissa_IV I think. But this is what has been running.
Code: Select all
6k1/5pp1/4n2p/B7/1P6/P1n2P2/5KPP/8 b - -
Engine: Kaissa IV NoContempt (512 MB)
by T. Romstad, M. Costalba, J. Kiiski, G. Linscott
30/52 0:01 -1.06 1...Nd5 2.Ke2 Kf8 3.Kd3 Ke7 4.g3 Kd6
5.b5 Kc5 6.a4 Ng5 7.Be1 Nf6 8.Kc3 Nxf3
9.Bf2+ Kd6 10.Kb3 Nd5 11.a5 Nd2+
12.Ka3 Ne4 13.Bd4 Nec3 14.Bxc3 Nxc3 (4.654.773) 2377
31/55 0:03 -0.96-- 1...Nd5 2.Ke2 (7.635.320) 2329
31/68 0:04 -1.06++ 1...Nd5 (11.271.362) 2258
31/68 0:05 -1.15 1...Nd5 2.Ke2 Kf8 3.Kd3 Ke7 4.g3 Kd6
5.b5 f6 6.h4 Nc5+ 7.Kc4 g5 8.Bb4 Nxb4
9.Kxb4 gxh4 10.gxh4 Nd3+ 11.Ka5 Ne5
12.f4 Ng6 13.b6 Nxf4 14.Ka6 Nd3 (11.764.875) 2258
32/48 0:05 -1.24++ 1...Nd1+ (12.696.610) 2266
32/48 0:05 -1.17 1...Nd1+ 2.Ke2 Nb2 3.a4 Nf8 4.Ke3 Nd7
5.Kd4 Kf8 6.Kd5 Nxa4 7.b5 Ke7 8.Kc6 Ne5+
9.Kd5 f6 10.b6 Kd7 11.b7 Nc6 12.h4 Nb2
13.Bb6 Nd3 14.g4 Ndb4+ (13.013.975) 2275
33/46 0:05 -1.26++ 1...Nd1+ (13.047.214) 2275
33/47 0:05 -1.36++ 1...Nd1+ (13.126.953) 2274
33/55 0:05 -1.07-- 1...Nd1+ 2.Ke2 (13.627.490) 2280
33/58 0:07 -1.14 1...Nd1+ 2.Ke2 Nb2 3.a4 Nf8 4.Ke3 Nxa4
5.Kd4 f6 6.b5 Kf7 7.Kd5 Ng6 8.b6 Nf4+
9.Kc4 Nxb6+ 10.Bxb6 Nxg2 11.Kd5 g5
12.Kd4 Nh4 13.Ke3 Ke6 14.Ke4 Ng6 (17.034.600) 2290
34/53 0:07 -1.23++ 1...Nd1+ (18.119.300) 2284
34/53 0:08 -1.30 1...Nd1+ 2.Ke2 Nb2 3.a4 Nf8 4.Ke3 Nxa4
5.Kd4 f6 6.Kc4 Nd7 7.b5 Kf8 8.Kb4 Nac5
9.Kc4 Ke8 10.Kd5 Nd3 11.Bc7 N7e5
12.Bxe5 Nxe5 13.Kd6 Kd8 14.b6 Nc4+ (19.221.764) 2278
35/47 0:09 -1.20-- 1...Nd1+ 2.Ke2 (20.726.445) 2280
35/49 0:09 -1.30++ 1...Nd1+ (21.006.268) 2278
35/53 0:10 -1.31 1...Nd1+ 2.Ke2 Nb2 3.a4 Nf8 4.Ke3 Nxa4
5.Kd4 f6 6.Kd5 Nc3+ 7.Kc6 Ne6 8.b5 Nd4+
9.Kc5 Ncxb5 10.Bb6 Kf7 11.Kc4 Nf5
12.Kxb5 Nh4 13.Kc4 Nxg2 14.Kd5 g5 (24.203.119) 2281
36/60 0:11 -1.22-- 1...Nd1+ 2.Ke2 (26.606.070) 2296
36/60 0:12 -1.12-- 1...Nd1+ 2.Ke2 (29.582.758) 2291
36/60 0:12 -1.22++ 1...Nd1+ (29.728.148) 2290
36/60 0:13 -1.30 1...Nd1+ 2.Ke2 Nb2 3.a4 Nf8 4.Ke3 Nxa4
5.Kd4 f6 6.b5 Kf7 7.Kd5 Ng6 8.b6 Nf4+
9.Kc4 Nxb6+ 10.Bxb6 Nxg2 11.Kd5 g5
12.Bf2 Nf4+ 13.Ke4 Ng6 14.Be3 Ke6 (30.661.405) 2285
37/67 0:14 -1.21-- 1...Nd1+ 2.Ke2 (32.970.505) 2282
37/67 0:14 -1.21 1...Nd1+ 2.Ke2 Nb2 3.a4 Nf8 4.Ke3 Nxa4
5.Kd4 f6 6.b5 Kf7 7.Kd5 Ng6 8.b6 Nf4+
9.Kc4 Nxb6+ 10.Bxb6 Nxg2 11.Kd5 g5
12.Bf2 Nf4+ 13.Ke4 Ke6 14.Be3 Ng6 (33.636.280) 2288
38/51 0:17 -1.12-- 1...Nd1+ 2.Ke2 (39.504.999) 2282
38/52 0:17 -1.21++ 1...Nd1+ (39.820.667) 2283
38/52 0:18 -1.27 1...Nd1+ 2.Ke2 Nb2 3.a4 Nf8 4.Ke3 Nxa4
5.Kd4 f6 6.b5 Kf7 7.Kd5 Ng6 8.b6 Nf4+
9.Kc4 Nxb6+ 10.Bxb6 Nxg2 11.Kd5 g5
12.Bf2 Nf4+ 13.Ke4 Ke6 14.Be3 Ng6 (42.058.423) 2285
39/52 0:19 -1.36++ 1...Nd1+ (45.035.897) 2287
39/79 0:20 -1.31 1...Nd1+ 2.Ke2 Nb2 3.a4 Nf8 4.Ke3 Nxa4
5.Kd4 f6 6.b5 Kf7 7.Kd5 Ng6 8.b6 Nf4+
9.Kc4 Nxb6+ 10.Bxb6 Nxg2 11.Kd5 g5
12.Bc7 Nh4 13.Ke4 Ke6 14.Bb6 Nf5 (47.102.232) 2285
40/69 0:22 -1.36 1...Nd1+ 2.Ke2 Nb2 3.a4 Nf8 4.Ke3 Nxa4
5.Kd4 f6 6.b5 Kf7 7.Kd5 Ng6 8.b6 Nf4+
9.Kc4 Nxb6+ 10.Bxb6 Nxg2 11.Kd5 g5
12.Bc7 Nh4 13.Ke4 Ke6 14.Bb6 Nf5 (50.834.025) 2287
41/67 0:24 -1.36 1...Nd1+ 2.Ke2 Nb2 3.a4 Nf8 4.Ke3 Nxa4
5.Kd4 f6 6.b5 Kf7 7.Kd5 Ng6 8.b6 Nf4+
9.Kc4 Nxb6+ 10.Bxb6 Nxg2 11.Kd5 g5
12.Bc7 Nh4 13.Ke4 Ke6 14.Bb6 Nf5 (56.034.710) 2293
42/55 0:26 -1.36 1...Nd1+ 2.Ke2 Nb2 3.a4 Nf8 4.Ke3 Nxa4
5.Kd4 f6 6.b5 Kf7 7.Kd5 Ng6 8.b6 Nf4+
9.Kc4 Nxb6+ 10.Bxb6 Nxg2 11.Kd5 g5
12.Bc7 Nh4 13.Ke4 Ke6 14.Bb6 Nf5 (61.565.724) 2286
43/95 0:31 -1.37 1...Nd1+ 2.Ke2 Nb2 3.a4 Nf8 4.Ke3 Nxa4
5.Kd4 f6 6.b5 Kf7 7.Kd5 Ng6 8.b6 Nf4+
9.Kc4 Nxb6+ 10.Bxb6 Nxg2 11.Kd5 g5
12.Bc7 Nh4 13.Ke4 Ke6 14.Bb6 Nf5 (71.824.471) 2291
44/58 0:35 -1.37 1...Nd1+ 2.Ke2 Nb2 3.a4 Nf8 4.Ke3 Nxa4
5.Kd4 f6 6.b5 Kf7 7.Kd5 Ng6 8.b6 Nf4+
9.Kc4 Nxb6+ 10.Bxb6 Nxg2 11.Kd5 g5
12.Bc7 Nh4 13.Ke4 Ke6 14.Bb6 Nf5 (81.387.827) 2290
45/86 0:39 -1.37 1...Nd1+ 2.Ke2 Nb2 3.a4 Nf8 4.Ke3 Nxa4
5.Kd4 f6 6.b5 Kf7 7.Kd5 Ng6 8.b6 Nf4+
9.Kc4 Nxb6+ 10.Bxb6 Nxg2 11.Kd5 g5
12.Bc7 Nh4 13.Ke4 Ke6 14.Bb6 Nf5 (89.541.504) 2291
46/65 0:46 -1.37 1...Nd1+ 2.Ke2 Nb2 3.a4 Nf8 4.Ke3 Nxa4
5.Kd4 f6 6.b5 Kf7 7.Kd5 Ng6 8.b6 Nf4+
9.Kc4 Nxb6+ 10.Bxb6 Nxg2 11.Kd5 g5
12.Bc7 Nh4 13.Ke4 Ke6 14.Bb6 Nf5 (107.568.473) 2292
47/68 1:06 -1.27-- 1...Nd1+ 2.Ke2 (153.099.367) 2297
47/68 1:20 -1.18-- 1...Nd1+ 2.Ke2 (184.855.183) 2292
47/68 1:25 -1.27++ 1...Nd1+ (196.268.290) 2289
47/68 2:07 -1.04-- 1...Nd1+ 2.Ke2 (289.476.439) 2262
47/91 2:50 -1.25++ 1...Nd5 (386.615.118) 2269
47/91 3:05 -1.61++ 1...Nd5 (420.240.046) 2263
47/146 8:06 -1.61 1...Nd5 2.Ke2 Ndf4+ 3.Kf1 Kf8 4.b5 Nd5
5.Be1 Ke7 6.a4 Kd6 7.a5 Kc5 8.b6 Kc6
9.Kf2 Nc5 10.Bd2 Kb5 11.g4 Ka6
12.Kg3 Nb3 13.Be1 Nd4 14.Kf2 g5 (1.069.052.682) 2198
48/66 9:19 -1.61 1...Nd5 2.Ke2 Ndf4+ 3.Kf1 Kf8 4.b5 Nd5
5.Be1 Ke7 6.a4 Kd6 7.a5 Kc5 8.b6 Kc6
9.Kf2 Nc5 10.Bd2 Kb5 11.g4 Ka6
12.Kg3 Nb3 13.Be1 Nd4 14.Bf2 Ne2+ (1.222.364.084) 2182
49/71 10:07 -1.51-- 1...Nd5 2.Ke2 (1.322.213.929) 2176
49/71 10:54 -1.42-- 1...Nd5 2.Ke2 (1.418.911.389) 2168
49/74 11:38 -1.42 1...Nd5 2.Ke2 Ndf4+ 3.Kf1 Kf8 4.b5 Ke8
5.a4 Nd5 6.Be1 Kd7 7.h4 Nd4 8.Bf2 Nb3
9.Ke2 Kd6 10.Be1 Nf4+ 11.Kf1 Kc5
12.Bf2+ Kc4 13.b6 Na5 14.Be1 Nb7 (1.513.920.728) 2166
50/63 12:02 -1.42 1...Nd5 2.Ke2 Ndf4+ 3.Kf1 Kf8 4.b5 Ke8
5.a4 Nd5 6.Be1 Kd7 7.h4 Nd4 8.Bf2 Nb3
9.Ke2 Kd6 10.Be1 Nf4+ 11.Kf1 Kc5
12.Bf2+ Kd5 13.Be1 Kc4 14.b6 Nc5 (1.566.102.468) 2166
51/77 12:36 -1.42 1...Nd5 2.Ke2 Ndf4+ 3.Kf1 Kf8 4.b5 Ke8
5.a4 Nd5 6.Be1 Kd7 7.h4 Kc8 8.Ke2 Ndf4+
9.Kf1 Kb7 10.a5 Nd5 11.g4 Nec7 12.b6 Ne6
13.h5 Nd4 14.Kf2 Nc6 (1.638.494.528) 2165
52/105 14:45 -1.41 1...Nd5 2.Ke2 Ndf4+ 3.Kf1 Kf8 4.b5 Ke8
5.a4 Nd5 6.Be1 Kd7 7.h4 Kc8 8.Ke2 Ndf4+
9.Kf1 Kb7 10.a5 Nd5 11.g4 Nec7 12.b6 Ne6
13.h5 Nd4 14.Kf2 Nc6 (1.920.718.228) 2169
53/68 16:52 -1.31-- 1...Nd5 2.Ke2 (2.192.950.847) 2166
53/73 18:03 -1.41++ 1...Nd5 (2.344.468.699) 2164
53/80 20:04 -1.52 1...Nd5 2.Ke2 Ndf4+ 3.Kf1 Kf8 4.b5 Nd5
5.Ke2 Nc5 6.Be1 Nf4+ 7.Kd2 Nxg2
8.Bf2 Nb7 9.a4 Ke7 10.Kc3 Kd7 11.Kb4 Nf4
12.Bd4 f6 13.a5 Nd5+ 14.Ka4 Nd6 (2.606.911.072) 2164
54/68 21:31 -1.61++ 1...Nd5 (2.791.797.593) 2161
54/74 25:27 -1.71++ 1...Nd5 (3.299.479.228) 2160
54/79 29:54 -1.47 1...Nd5 2.b5 Kf8 3.Bd2 Ke7 4.a4 Kd6
5.a5 Nd4 6.b6 Kc6 7.g4 Kb7 8.Kg2 Nb3
9.Be1 g6 10.Kg3 Nd4 11.Bd2 g5 12.Kf2 Nb3
13.Be1 Nc1 14.Bd2 Nd3+ (3.892.111.220) 2169
55/85 33:02 -1.43 1...Nd5 2.b5 Kf8 3.Bd2 Ke7 4.a4 Kd6
5.a5 Nd4 6.b6 Kc6 7.g4 Nb3 8.Be1 Kb7
9.Kg3 g6 10.Kh3 Nd4 11.Bd2 g5 12.Kg3 Ka6
13.Kf2 Nb3 14.Be1 Nc5 (4.305.798.432) 2171
56/90 35:23 -1.43 1...Nd5 2.b5 Kf8 3.Bd2 Ke7 4.a4 Kd6
5.a5 Nd4 6.b6 Kc6 7.g4 Kb7 8.Kg2 Nb3
9.Be1 Ka6 10.Kg3 g6 11.Kh4 f6 12.Kg3 Nd4
13.Bd2 g5 14.Kf2 Nb3 (4.614.551.515) 2173
57/76 37:12 -1.43 1...Nd5 2.b5 Kf8 3.Bd2 Ke7 4.a4 Kd6
5.a5 Nd4 6.b6 Kc6 7.g4 Kb7 8.Kg2 Nb3
9.Be1 Ka6 10.Kg3 g6 11.Kh4 f6 12.Kg3 Nd4
13.Bd2 g5 14.Kf2 Nb3 (4.856.648.981) 2175
58/72 39:33 -1.43 1...Nd5 2.b5 Kf8 3.Bd2 Ke7 4.a4 Kd6
5.a5 Nd4 6.b6 Kc6 7.g4 Kb7 8.Kg2 Nb3
9.Be1 Ka6 10.Kg3 g6 11.Kh4 f6 12.Kg3 Nd4
13.Bd2 g5 14.Kf2 Nb3 (5.161.738.782) 2174
59/77 43:19 -1.43 1...Nd5 2.b5 Kf8 3.Bd2 Ke7 4.a4 Kd6
5.a5 Nd4 6.b6 Kc6 7.g4 Kb7 8.Kg2 Nb3
9.Be1 Ka6 10.Kg3 g6 11.Kh4 f6 12.Kg3 Nd4
13.Bd2 g5 14.Kf2 Nb3 (5.657.772.717) 2176
60/78 48:10 -1.43 1...Nd5 2.b5 Kf8 3.Bd2 Ke7 4.a4 Kd6
5.a5 Nd4 6.b6 Kc6 7.g4 Kb7 8.Kg2 Nb3
9.Be1 Ka6 10.Kg3 g6 11.Kh4 f6 12.Kg3 Nd4
13.Bd2 g5 14.Kf2 Nb3 (6.302.511.987) 2180
61/79 53:23 -1.43 1...Nd5 2.b5 Kf8 3.Bd2 Ke7 4.a4 Kd6
5.a5 Nd4 6.b6 Kc6 7.g4 Kb7 8.Kg2 Nb3
9.Be1 Ka6 10.Kg3 g6 11.Kh4 f6 12.Kg3 Nd4
13.Bd2 g5 14.Kf2 Nb3 (7.001.904.591) 2185
62/92 58:47 -1.43 1...Nd5 2.b5 Kf8 3.Bd2 Ke7 4.a4 Kd6
5.a5 Nd4 6.b6 Kc6 7.g4 Kb7 8.Kg2 Nb3
9.Be1 Ka6 10.Kg3 g6 11.Kh4 f6 12.Kg3 Nd4
13.Bd2 g5 14.Kf2 Nb3 (7.721.572.461) 2189
63/89 90:54 -1.52++ 1...Nd5 (11.899.936.265) 2181
63/89 110:22 -1.33-- 1...Nd5 2.b5 (14.500.308.533) 2189
63/89 113:46 -1.33 1...Nd5 2.b5 Kf8 3.Bd2 Ke7 4.a4 Kd7
5.a5 Nd4 6.b6 Kc6 7.g4 Kb7 8.Be1 g6
9.Bd2 Nb3 10.Be1 g5 11.Kf1 Nd4
12.Kf2 Ka6 13.Bd2 Nb3 14.Be1 Nc5 (14.961.695.929) 2191
64/86 118:12 -1.33 1...Nd5 2.b5 Kf8 3.Bd2 Ke7 4.a4 Kd7
5.a5 Nd4 6.b6 Kc6 7.g4 Kb7 8.Be1 g6
9.Bd2 Nb3 10.Be1 g5 11.Kf1 Nd4
12.Kf2 Ka6 13.Bd2 Nb3 14.Be1 Nc5 (15.566.614.466) 2194
65/88 121:28 -1.43++ 1...Nd5 (16.002.859.127) 2195
65/112 134:14 -1.52++ 1...Nd5 (17.764.314.815) 2205
65/112 137:46 -1.38 1...Nd5 2.b5 Kf8 3.Bd2 Ke7 4.a4 Kd7
5.a5 Nd4 6.b6 Kc6 7.g4 Kb7 8.Be1 Nb3
9.Kg3 g6 10.Kf2 g5 11.Kg3 Nd4 12.Bf2 Ne2+
13.Kg2 Nc1 14.Kf1 Nb3 (18.272.191.965) 2210
66/81 149:56 -1.38 1...Nd5 2.b5 Kf8 3.Bd2 Ke7 4.a4 Kd7
5.a5 Nd4 6.b6 Kc6 7.g4 Kb7 8.Be1 Nb3
9.Kg3 g6 10.Kf2 g5 11.Kg3 Nd4 12.Bf2 Ne2+
13.Kg2 Nc1 14.Kf1 Nb3 (19.918.548.660) 2214
67/87 172:21 -1.38 1...Nd5 2.b5 Kf8 3.Bd2 Ke7 4.a4 Kd7
5.a5 Nd4 6.b6 Kc6 7.g4 Kb7 8.Be1 Nb3
9.Kg3 g6 10.Kf2 g5 11.Kg3 Nd4 12.Bf2 Ne2+
13.Kg2 Nc1 14.Kf1 Nb3 (22.909.455.389) 2215
68/93 211:13 -1.48++ 1...Kf8 (28.213.601.252) 2226
68/93 218:27 -1.57++ 1...Kf8 (29.156.802.404) 2224
68/109 237:20 -1.71++ 1...Kf8 (31.682.185.193) 2224
68/178 308:53 -1.33 1...Nd5 2.b5 Kf8 3.Bd2 Ke7 4.a4 Kd7
5.a5 Nd4 6.b6 Kc6 7.g4 Kb7 8.Be1 Nb3
9.Kg3 g6 10.Kf2 Ka6 11.Kg3 Nd4
12.Bf2 Ne2+ 13.Kg2 h5 14.Bg3 Nd4 (41.051.860.178) 2214
69/90 324:22 -1.33 1...Nd5 2.b5 Kf8 3.Bd2 Ke7 4.a4 Kd7
5.a5 Nd4 6.b6 Kc6 7.g4 Kb7 8.Be1 Nb3
9.Kg3 g6 10.Kf2 Ka6 11.Kg3 Nd4
12.Bf2 Ne2+ 13.Kg2 h5 14.Bg3 Nd4 (43.119.069.435) 2215
70/101 365:04 -1.43++ 1...Kf8 (48.549.676.075) 2216
70/101 376:50 -1.52++ 1...Kf8 (50.116.856.122) 2216
70/171 411:22 -1.66++ 1...Kf8 (54.724.528.363) 2217
70/171 430:46 -1.86++ 1...Kf8 (57.346.413.603) 2218
70/186 583:42 -1.53 1...Kf8 2.Ke3 Ke7 3.Kd3 Nd5 4.g3 Kd6
5.b5 Kc5 6.a4 Nd4 7.f4 Nf5 8.Be1 Nd6
9.Bf2+ Kb4 10.Bd4 f6 11.b6 h5 12.a5 Kb5
13.Bb2 Nb4+ 14.Kd4 Kxa5 (78.102.455.010) 2230
71/88 607:26 -1.44-- 1...Kf8 2.Ke3 (81.456.376.104) 2234
71/88 651:16 -1.35-- 1...Kf8 2.Ke3 (87.709.364.581) 2244
71/102 683:42 -1.44++ 1...Kf8 (92.209.688.028) 2247
71/102 696:32 -1.64++ 1...Kf8 (93.953.169.118) 2248
71/177 765:00 -1.91++ 1...Kf8 (103.192.807.186) 2248
71/184 837:52 -1.80 1...Kf8 2.Ke3 Ke7 3.Kd3 Nd5 4.b5 Kd6
5.g3 Kc5 6.a4 Nd4 7.f4 Nf3 8.h3 f5
9.Ke2 Nd4+ 10.Kd3 h5 11.Be1 h4
12.gxh4 Nxf4+ 13.Kc3 Nxh3 14.Bd2 f4 (112.710.293.763) 2241
72/90 847:39 -1.70-- 1...Kf8 2.Ke3 (114.092.673.310) 2243
72/94 864:22 -1.80++ 1...Kf8 (116.353.639.912) 2243
72/98 909:49 -1.94++ 1...Kf8 (122.638.913.430) 2246
72/183 1043:36-2.14++ 1...Kf8 (140.712.315.906) 2247
72/183 1120:13-1.61-- 1...Kf8 2.Ke3 (151.136.061.525) 2248
72/183 1149:48-2.00++ 1...Kf8 (155.110.598.923) 2248
72/199 1828:40-2.25 1...Kf8 2.Ke3 Ke7 3.Kd3 Nd5 4.g3 Kd6
5.b5 Kc5 6.a4 Ng5 7.f4 Nf3 8.h3 f5
9.Ke2 Nd4+ 10.Kd3 Nb3 11.Be1 Nf6
12.Kc3 Nd4 13.Kd3 Ne4 14.b6 g6 (248.743.482.337) 2267
73/88 1837:28-2.15-- 1...Kf8 2.Ke3 (249.974.345.552) 2267
73/88 1840:09-2.06-- 1...Kf8 2.Ke3 (250.344.962.157) 2267
73/98 1878:11-2.15++ 1...Kf8 (255.456.539.190) 2266
73/167 2010:34-1.92-- 1...Kf8 2.Ke3 (274.669.085.799) 2276
73/167 2021:20-2.14++ 1...Kf8 (276.239.899.715) 2277
73/180 2279:28-2.35 1...Kf8 2.Ke3 Ke7 3.Kd3 Nd5 4.g3 Kd6
5.b5 Kc5 6.a4 Ng5 7.Ke2 Kc4 8.b6 Ne6
9.b7 Nd4+ 10.Kd2 Nc6 11.g4 Kc5 12.f4 Kd6
13.g5 Nb8 14.gxh6 gxh6 (313.887.984.249) 2295
74/83 2284:35-2.26-- 1...Kf8 2.Ke3 (314.671.545.240) 2295
74/83 2286:55-2.16-- 1...Kf8 2.Ke3 (315.032.926.885) 2295
74/83 2296:03-2.26++ 1...Kf8 (316.365.072.692) 2296
74/163 2511:13-2.02-- 1...Kf8 2.Ke3 (346.279.954.448) 2298
74/163 2530:19-2.24++ 1...Kf8 (348.769.797.522) 2297
74/190 2950:12-2.44 1...Kf8 2.Ke3 Ke7 3.Kd3 Nd5 4.g3 Kd6
5.b5 Kc5 6.a4 Ng5 7.Ke2 Kc4 8.b6 Ne6
9.b7 Nd4+ 10.Kf1 Nc6 11.Ke2 Kc5
12.Kd3 Nb8 13.Ke4 Nd7 14.Kd3 Kc6 (404.504.923.976) 2285
75/96 2956:43-2.35-- 1...Kf8 2.Ke3 (405.386.803.181) 2285
Debugging is twice as hard as writing the code in the first
place. Therefore, if you write the code as cleverly as possible, you
are, by definition, not smart enough to debug it.
-- Brian W. Kernighan
place. Therefore, if you write the code as cleverly as possible, you
are, by definition, not smart enough to debug it.
-- Brian W. Kernighan
-
- Posts: 2821
- Joined: Fri Sep 25, 2015 9:38 pm
- Location: Sortland, Norway
Re: Drawish endgame
Black's material advantage of an mere pawn is probably not enough to convert this endgame.
-
- Posts: 4565
- Joined: Sun Mar 12, 2006 2:40 am
- Full name:
Re: Drawish endgame
Yes, you are probably right. In the position at the end of Vincent's PV Black has a Knight against a passed pawn, but they seem to keep each other in equilibrium
[d]8/2n2pp1/2K1k2p/3n4/6P1/P4P2/7P/4B3 w - -
[pgn]
[Event "Computer chess game"]
[Site "VINVIN-PC"]
[Date "2019.06.05"]
[Round "?"]
[White "Vinvin"]
[Black "Vinvin"]
[Result "*"]
[FEN "6k1/5pp1/4n2p/B7/1P6/P1n2P2/6PP/6K1 w - - 0 33"]
33. Kf2 Nd5 34. b5 Kf8 35. Ke2 Nc5 36. g4 Nb3 37. Be1 Nd4+ 38. Kd3 Nxb5 39.
Kc4 Nbc7 40. Kc5 Ke7 41. Kc6 Ke6 42. a4 Ne8 43. a5 Ne7+ 44. Kb7 Nd6+ 45. Kb6 Kd7
46. h4 Nd5+ 47. Kc5 Nc7 48. Bc3 Ne6+ 49. Kd5 Nb5 50. Bd2 Ned4 51. Ke4 Nc6
52. Be1 Ke6 53. f4 Nd6+ 54. Kf3 Ne8 55.Bc3 {Without tablebases I can't tell if this is winning for Black. I do get a Fail High for 55... f6}
[/pgn]
[d]8/2n2pp1/2K1k2p/3n4/6P1/P4P2/7P/4B3 w - -
Code: Select all
Engine: Kaissa IV NoContempt (512 MB)
by T. Romstad, M. Costalba, J. Kiiski, G.
24/44 0:01 -0.68 10.a4 Na6 11.Kb5 Ndc7+ 12.Kc6 Ke7
13.h4 Kd8 14.Kb6 Kc8 15.Bg3 Kd7
16.Be1 g6 17.a5 h5 18.g5 Kc8 19.Bg3 Kd8
20.Bxc7+ Nxc7 21.a6 Nxa6 22.Kxa6 Kd7
23.Kb5 (3.192.437) 1989
25/42 0:02 -0.75 10.a4 Na6 11.Kb5 Ndc7+ 12.Kb6 Kd7
13.h4 g6 14.a5 h5 15.g5 Kc8 16.Bg3 Kd8
17.Kc6 Ne6 18.Kb6 Nac5 19.a6 Nd7+
20.Kc6 Nd4+ 21.Kd5 Nf5 22.Bf4 Kc8
23.Kc6 (4.041.125) 2009
26/39 0:02 -0.84 10.a4 Ne8 11.a5 Ne7+ 12.Kb7 Kd7
13.Bg3 Nc8 14.a6 Ned6+ 15.Bxd6 Nxd6+
16.Kb8 Nb5 17.Kb7 g5 18.h3 Nd6+
19.Kb8 Nc8 20.Kb7 f6 21.Kb8 Ne7
22.a7 Nc6+ 23.Kb7 (4.939.301) 2021
27/40 0:02 -0.84 10.a4 Ne8 11.a5 Ne7+ 12.Kb7 Kd7
13.Bg3 Nc8 14.a6 Ned6+ 15.Bxd6 Nxd6+
16.Kb8 Nb5 17.Kb7 g5 18.h3 Nd6+
19.Kb8 Nc8 20.Kb7 f6 21.Kb8 Ne7
22.a7 Nc6+ 23.Kb7 (5.527.260) 2040
28/44 0:03 -0.93-- 10.a4 Ne8 (6.695.093) 2061
28/44 0:03 -1.03-- 10.a4 Ne8 (7.202.741) 2066
28/44 0:03 -1.17-- 10.a4 Ne8 (7.977.484) 2064
28/44 0:04 -1.05++ 10.f4 (9.501.658) 2075
28/44 0:04 -0.78++ 10.f4 (9.945.631) 2084
28/44 0:05 -1.37-- 10.f4 g6 (10.647.502) 2091
28/47 0:06 -0.90++ 10.a4 (13.590.988) 2083
28/47 0:06 -1.36 10.a4 Ne8 11.a5 Ne7+ 12.Kb7 Kd7
13.Bg3 Nc8 14.a6 Ned6+ 15.Bxd6 Nxd6+
16.Kb6 Nc8+ 17.Kb7 g5 18.Kb8 Ne7
19.Kb7 Nc6 20.h3 f6 21.Kb6 Kd6
22.Kb7 Kc5 23.Kc7 (13.895.659) 2088
29/45 0:06 -1.27++ 10.a4 (14.160.339) 2090
29/45 0:06 -1.17++ 10.a4 (14.180.982) 2091
29/45 0:06 -1.03++ 10.a4 (14.211.160) 2092
29/45 0:06 -0.84++ 10.a4 (14.301.487) 2092
29/45 0:07 -0.90 10.a4 Na6 11.Bg3 Nab4+ 12.Kb5 Nc2
13.a5 Kd7 14.a6 Nc7+ 15.Kb6 Nxa6
16.Kxa6 Kc6 17.Ka5 Kd5 18.Kb6 Nd4
19.f4 Ne2 20.Kc7 Nxg3 21.hxg3 Ke4
22.Kd6 Kf3 23.Ke7 (15.337.351) 2078
30/45 0:08 -0.81++ 10.a4 (17.978.485) 2063
30/45 0:08 -0.71++ 10.a4 (18.625.432) 2070
30/48 0:10 -0.57++ 10.a4 (20.678.888) 2064
30/53 0:11 -0.61 10.a4 Na6 11.Kb5 Ndc7+ 12.Kc6 Ke7
13.a5 g6 14.h4 h5 15.gxh5 gxh5
16.Bf2 Kd8 17.Bg3 Ne6 18.Kb6 Nac7
19.a6 Nxa6 20.Kxa6 Nd4 21.f4 Kd7
22.Bf2 Nf5 23.Kb5 (23.045.889) 2051
31/44 0:13 -0.70-- 10.a4 Ne8 (27.286.105) 2044
31/44 0:13 -0.79-- 10.a4 Ne8 (27.958.869) 2044
31/46 0:14 -0.70++ 10.Bg3 (29.842.974) 2048
31/46 0:15 -0.50++ 10.Bg3 (31.163.314) 2047
31/48 0:15 -0.70 10.Bg3 Ne8 11.a4 Ne7+ 12.Kb7 Nf6
13.a5 Nd7 14.Bf2 Kd5 15.a6 Nc6 16.f4 Nf6
17.g5 Ne4 18.Be3 h5 19.Kb6 Kd6
20.Kb7 Nc5+ 21.Bxc5+ Kxc5 22.f5 h4
23.f6 (32.716.953) 2050
32/44 0:16 -0.61++ 10.Bg3 (33.916.676) 2047
32/59 0:16 -0.52++ 10.Bg3 (34.717.379) 2046
32/59 0:18 -0.38++ 10.Bg3 (37.540.885) 2045
32/59 0:19 -0.57 10.Bg3 Ne8 11.a4 Ne7+ 12.Kb7 Nf6
13.a5 Nd7 14.Bf2 Kd5 15.a6 Nc6 16.f4 Nf6
17.h3 h5 18.g5 Ne4 19.Bg1 Nd6+
20.Kc7 Nb5+ 21.Kb6 Nc3 22.Kc7 f5
23.gxf6 (39.109.229) 2042
33/51 0:19 -0.66-- 10.Bg3 Ne8 (40.399.928) 2036
33/53 0:20 -0.76-- 10.Bg3 Ne8 (41.731.606) 2035
33/56 0:21 -0.66++ 10.Bg3 (43.615.912) 2034
33/56 0:22 -0.81 10.Bg3 Ne8 11.a4 Ne7+ 12.Kb7 Nf6
13.a5 Nd7 14.Bf2 Kd5 15.a6 Nc6 16.f4 Nf6
17.h3 h5 18.gxh5 Nxh5 19.f5 Nf6
20.Kc7 Ne4 21.a7 Nxa7 22.Bxa7 Ke5
23.Kd7 (44.676.853) 2027
34/47 0:23 -0.90-- 10.Bg3 Ne8 (48.300.638) 2025
34/54 0:24 -0.87 10.Bg3 Ne8 11.a4 Ne7+ 12.Kb7 Nf6
13.a5 Nd7 14.Bf2 Kd5 15.a6 Nc6 16.f4 Nf6
17.h3 h5 18.gxh5 Nxh5 19.Be3 f5
20.Bd2 Ng3 21.Bc3 g6 22.Bd4 Nh5
23.Be5 (49.908.949) 2025
35/52 0:27 -0.90 10.Bg3 Ne8 11.a4 Ne7+ 12.Kb7 Nf6
13.a5 Nd7 14.Bf2 Kd5 15.a6 Nc6 16.f4 Nf6
17.h3 h5 18.gxh5 Nxh5 19.Be3 f5
20.Bd2 Ng3 21.Bc3 g6 22.Bd4 Nh5
23.Be5 (56.162.547) 2025
36/53 0:29 -1.00-- 10.Bg3 Ne8 (60.217.316) 2026
36/53 0:29 -0.90++ 10.Bg3 (60.767.342) 2026
36/53 0:31 -0.76++ 10.Bg3 (63.673.518) 2030
36/59 0:32 -0.56++ 10.Bg3 (65.567.031) 2033
36/61 0:34 -0.38 10.Bg3 Ne8 11.a4 Ne7+ 12.Kb7 Kd7
13.a5 Nc8 14.a6 Ned6+ 15.Bxd6 Nxd6+
16.Kb8 Nb5 17.Kb7 g5 18.Kb6 Nd6
19.Kc5 Nc8 20.Kd5 Ke8 21.Ke5 Ke7
22.Kd5 Na7 23.Kc5 (69.541.735) 2034
37/58 0:37 -0.47-- 10.Bg3 Ne8 (76.371.834) 2040
37/58 0:38 -0.56-- 10.Bg3 Ne8 (77.649.004) 2041
37/58 0:41 -0.47++ 10.Bg3 (84.698.058) 2045
37/60 0:46 -0.70-- 10.Bg3 Ne8 (95.696.373) 2050
37/60 0:49 -0.69 10.Bg3 Ne8 11.a4 Ne7+ 12.Kb7 Kd7
13.a5 Nc6 14.a6 Nf6 15.a7 Nxa7
16.Kxa7 Nd5 17.Ka6 Kc6 18.Ka7 Nb6
19.Kb8 Kd7 20.h3 g6 21.Bf4 h5 22.Kb7 Nd5
23.Bh6 (102.033.602) 2054
38/60 0:52 -0.78-- 10.Bg3 Ne8 (108.058.344) 2055
38/60 0:54 -0.69++ 10.Bg3 (111.152.131) 2056
38/69 0:57 -0.54++ 10.Bg3 (119.185.353) 2063
38/69 0:58 -0.67 10.Bg3 Ne8 11.a4 Ne7+ 12.Kb7 Kd7
13.a5 Nc6 14.a6 Nf6 15.a7 Nxa7
16.Kxa7 Nd5 17.Kb7 f6 18.h3 g6
19.Be1 h5 20.gxh5 gxh5 21.Bd2 Kd6
22.Kc8 Ke6 23.Kd8 (120.399.194) 2064
39/55 1:02 -0.58++ 10.Bg3 (129.740.542) 2061
39/55 1:03 -0.58 10.Bg3 Ne8 11.a4 Ne7+ 12.Kb7 Kd7
13.a5 Nc6 14.a6 Nf6 15.a7 Nxa7
16.Kxa7 Nd5 17.Kb7 f6 18.h3 g6
19.Be1 h5 20.gxh5 gxh5 21.Bd2 Kd6
22.Kc8 Ke6 23.Kd8 (131.234.696) 2063
40/58 1:06 -0.67-- 10.Bg3 Ne8 (136.797.668) 2062
40/58 1:07 -0.76-- 10.Bg3 Ne8 (139.282.618) 2063
40/66 1:13 -0.67++ 10.Bg3 (151.173.193) 2065
40/66 1:16 -0.91-- 10.Bg3 Ne8 (158.203.300) 2068
40/66 1:18 -0.69++ 10.Bg3 (162.585.861) 2068
40/89 1:26 -0.90 10.Bg3 Ne8 11.a4 Ne7+ 12.Kb7 Kd7
13.a5 Nc6 14.a6 Nf6 15.Bb8 Nd8+
16.Kb6 Nd5+ 17.Kc5 Nc7 18.a7 Na8
19.f4 Nb7+ 20.Kb5 g6 21.Be5 Nd6+
22.Ka6 Nc7+ 23.Kb6 (179.304.788) 2062
41/69 1:32 -0.81++ 10.Bg3 (191.287.984) 2067
41/69 1:34 -0.71++ 10.Bg3 (195.018.858) 2070
41/69 1:36 -1.00-- 10.Bg3 Ne8 (201.491.037) 2077
41/69 1:41 -1.19-- 10.Bg3 Ne8 (210.611.327) 2081
41/69 1:46 -0.99++ 10.Bg3 (221.411.773) 2082
41/69 1:50 -1.46-- 10.Bg3 Ne8 (229.641.615) 2085
41/69 1:51 -1.04++ 10.Bg3 (232.485.855) 2087
41/128 2:03 -0.57 10.Bg3 Ne8 11.a4 Ne7+ 12.Kb7 Nd6+
13.Bxd6 Kxd6 14.a5 g5 15.a6 Nc6
16.Kb6 Nb4 17.a7 Nd5+ 18.Kb7 Nc7
19.Kb6 Kd7 20.Kb7 Na8 21.Kb8 Kc6
22.Kc8 Nb6+ 23.Kb8 (257.413.257) 2089
42/65 2:05 -0.67-- 10.Bg3 Ne8 (262.462.078) 2088
42/65 2:07 -0.57++ 10.Bg3 (267.182.790) 2087
42/65 2:08 -0.76-- 10.Bg3 Ne8 (267.845.482) 2087
42/65 2:09 -0.96-- 10.Bg3 Ne8 (270.932.880) 2086
42/65 2:31 -1.23-- 10.Bg3 Ne8 (313.340.164) 2072
42/71 2:32 -1.00++ 10.Bg3 (316.323.976) 2073
42/71 2:42 -1.16 10.a4 Ne8 11.a5 Ne7+ 12.Kb7 Nd6+
13.Kc7 Nb5+ 14.Kb6 Nd4 15.Kc5 Ndc6
16.Bc3 f6 17.a6 Kd7 18.f4 Nc8 19.Be1 Nb8
20.Kb5 Nd6+ 21.Kb6 Nc6 22.Bf2 Nc8+
23.Kc5 (335.738.221) 2071
43/62 2:50 -1.07++ 10.a4 (351.899.213) 2066
43/66 3:10 -1.26-- 10.a4 Ne8 (390.935.752) 2046
43/66 3:16 -1.12++ 10.a4 (402.194.170) 2042
43/73 3:44 -1.40-- 10.a4 Ne8 (454.243.838) 2027
43/73 3:58 -1.16++ 10.a4 (482.759.802) 2024
43/73 4:09 -1.67-- 10.a4 Ne8 (504.981.241) 2020
43/73 4:10 -1.23++ 10.a4 (506.458.488) 2020
43/84 4:27 -1.36 10.a4 Ne8 11.a5 Ne7+ 12.Kb7 Nd6+
13.Kc7 Nb5+ 14.Kb6 Nd4 15.Kc5 Nxf3
16.Bc3 Kd7 17.Bxg7 Nc6 18.a6 Nxh2
19.Bxh6 Nxg4 20.Bg5 Nf2 21.Be3 Ne4+
22.Kb6 Nd6 23.Bg1 (538.341.830) 2015
44/66 4:38 -1.46-- 10.a4 Ne8 (560.042.028) 2014
44/66 4:54 -1.55-- 10.a4 Ne8 (591.672.131) 2011
44/66 5:15 -1.69-- 10.a4 Ne8 (632.733.871) 2004
44/73 6:04 -1.57++ 10.Bf2 (733.189.960) 2011
44/73 6:56 -1.89-- 10.Bf2 Ne8 (840.600.005) 2015
44/73 7:11 -1.60++ 10.Bf2 (868.557.616) 2014
44/102 8:24 -1.74 10.Bf2 Ne8 11.Bc5 Nc3 12.Bd4 Ne2
13.Ba1 Nf4 14.a4 Ng6 15.a5 Ne7+
16.Kc5 f6 17.Bc3 Nc7 18.f4 Kd7 19.f5 Nc8
20.Bd2 Nd6 21.Be1 h5 22.h3 Ne4+
23.Kd4 (1.016.919.759) 2015
45/67 8:33 -1.65++ 10.Bf2 (1.034.956.096) 2015
45/67 8:38 -1.55++ 10.Bf2 (1.045.986.199) 2016
45/71 8:54 -1.84-- 10.Bf2 Ne8 (1.077.134.841) 2015
45/72 10:59 -1.62++ 10.Bf2 (1.329.199.735) 2016
45/72 11:10 -1.36++ 10.Bf2 (1.353.750.494) 2019
45/140 14:55 -1.00++ 10.Bf2 (1.810.346.778) 2020
45/140 15:24 -1.35 10.Bf2 Ne8 11.Bc5 Nc3 12.h4 f6 13.f4 f5
14.gxf5+ Kxf5 15.Bd4 Ne2 16.Bc5 Nc1
17.a4 Nb3 18.Bb4 Nf6 19.Bc3 g6
20.Kb5 Ne4 21.Bg7 h5 22.Kc4 Nbc5
23.a5 (1.868.587.964) 2021
46/63 15:41 -1.25++ 10.Bf2 (1.905.524.840) 2022
46/78 15:56 -1.16++ 10.Bf2 (1.934.585.742) 2023
46/78 16:08 -1.02++ 10.Bf2 (1.959.330.119) 2023
46/78 17:32 -1.44-- 10.Bf2 Ne8 (2.129.974.639) 2023
46/91 18:05 -1.13++ 10.Bf2 (2.196.332.518) 2023
46/91 19:13 -1.54 10.Bf2 Ne8 11.Bc5 Nc3 12.h4 Na4
13.Bb4 g6 14.h5 gxh5 15.gxh5 Nf6
16.Kb5 Nb2 17.a4 Nd3 18.Bf8 Kd7
19.a5 Kc7 20.Bxh6 Nxh5 21.a6 Ne5
22.Kc5 Ng6 23.Be3 (2.334.167.130) 2024
47/65 19:32 -1.45++ 10.Bf2 (2.374.377.597) 2024
47/65 19:40 -1.35++ 10.Bf2 (2.389.423.166) 2024
47/77 19:51 -1.26 10.Bf2 Ne8 11.Bc5 Nc3 12.h4 Na4
13.Bb4 g6 14.h5 gxh5 15.gxh5 Nf6
16.Kb5 Nb2 17.a4 Nd3 18.Bf8 Kd7
19.a5 Kc7 20.Bxh6 Nxh5 21.a6 Ne5
22.Kc5 Ng6 23.Be3 (2.413.207.965) 2024
48/63 20:26 -1.35-- 10.Bf2 Ne8 (2.484.793.617) 2025
48/64 20:44 -1.45-- 10.Bf2 Ne8 (2.519.808.070) 2025
48/73 20:50 -1.35++ 10.Bf2 (2.532.880.869) 2025
48/73 21:17 -1.15++ 10.Bf2 (2.589.344.656) 2026
48/83 21:25 -1.27 10.Bf2 Ne8 11.Bc5 Nc3 12.h4 Na4
13.Bb4 g6 14.h5 gxh5 15.gxh5 Nf6
16.Kb5 Nb2 17.a4 Nd3 18.Bf8 Kd7
19.a5 Kc7 20.Bxh6 Nxh5 21.a6 Ne5
22.Kc5 Ng6 23.Be3 (2.605.953.417) 2026
49/71 22:12 -1.36-- 10.Bf2 Ne8 (2.703.114.455) 2028
49/71 22:28 -1.46-- 10.Bf2 Ne8 (2.736.417.552) 2029
49/71 23:27 -1.60-- 10.Bf2 Ne8 (2.856.171.682) 2029
49/71 24:40 -1.79-- 10.Bf2 Ne8 (3.005.439.628) 2029
49/74 27:10 -1.63++ 10.a4 (3.329.179.279) 2041
49/87 29:14 -2.06-- 10.a4 Ne8 (3.582.561.236) 2042
49/151 44:01 -1.67++ 10.a4 (5.343.861.361) 2023
49/152 45:05 -1.95 10.a4 Ne8 11.a5 Ne7+ 12.Kb7 Nd6+
13.Kc7 Nb5+ 14.Kb6 Nd4 15.f4 Nd5+
16.Kc5 Nb3+ 17.Kb5 Kd6 18.a6 Nd4+
19.Kc4 Ne6 20.f5 Nec7 21.a7 Kc6
22.Bf2 Nb6+ 23.Kd3 (5.469.304.473) 2021
50/73 45:16 -1.86++ 10.a4 (5.490.837.283) 2021
50/73 46:08 -2.05-- 10.a4 Ne8 (5.593.069.085) 2020
50/73 47:33 -1.91++ 10.a4 (5.765.250.978) 2020
50/73 47:34 -1.71++ 10.a4 (5.768.160.798) 2020
50/73 47:38 -1.44++ 10.a4 (5.775.271.396) 2020
50/100 47:44 -1.08++ 10.a4 (5.788.062.751) 2020
50/149 52:27 -2.06 10.f4 g6 11.a4 f5 12.gxf5+ gxf5
13.a5 Na6 14.Bd2 h5 15.Kb5 Nb8
16.Kc5 Nd7+ 17.Kc6 Ne7+ 18.Kb5 Kd5
19.a6 Nc8 20.Be3 Nd6+ 21.Ka5 Ne8
22.a7 Nc7 23.Kb4 (6.343.516.042) 2015
51/73 52:55 -1.97++ 10.f4 (6.400.940.460) 2015
51/73 54:18 -2.15-- 10.f4 g6 (6.572.905.561) 2017
51/73 58:20 -2.01++ 10.a4 (7.067.645.604) 2019
51/73 58:23 -1.82++ 10.a4 (7.074.108.006) 2019
51/87 63:31 -2.30-- 10.a4 Ne8 (7.703.845.266) 2021
51/101 69:20 -2.28 10.a4 Ne8 11.a5 Ne7+ 12.Kb7 Nd6+
13.Kc7 Nb5+ 14.Kb6 Nd4 15.f4 Nd5+
16.Kc5 Nb3+ 17.Kb5 Kd6 18.a6 Nd4+
19.Kc4 Nc2 20.Bf2 Na3+ 21.Kb3 Nb5
22.a7 Ndc7 23.Kc4 (8.435.105.861) 2027
52/74 69:36 -2.18++ 10.a4 (8.467.282.987) 2027
52/74 69:43 -2.09++ 10.a4 (8.481.483.023) 2027
52/74 69:52 -1.95++ 10.a4 (8.499.088.606) 2027
52/79 69:59 -2.15 10.a4 Ne8 11.a5 Ne7+ 12.Kb7 Nd6+
13.Kc7 Nb5+ 14.Kb6 Nd4 15.f4 Nd5+
16.Kc5 Nb3+ 17.Kb5 Kd6 18.a6 Nd4+
19.Kc4 Ne6 20.f5 Nec7 21.a7 Kc6
22.Bf2 Nf6 23.h3 (8.514.324.895) 2027
53/76 70:08 -2.05++ 10.a4 (8.532.754.439) 2027
53/76 70:21 -1.96++ 10.a4 (8.558.800.806) 2027
53/76 70:54 -2.24-- 10.a4 Ne8 (8.628.981.802) 2028
53/76 71:33 -2.03++ 10.a4 (8.708.055.601) 2028
53/83 71:59 -1.76++ 10.a4 (8.762.726.817) 2028
53/161 78:54 -2.30 10.a4 Ne8 11.a5 Ne7+ 12.Kb7 Nd6+
13.Kc7 Nb5+ 14.Kb6 Nd4 15.f4 Nd5+
16.Kc5 Nb3+ 17.Kb5 Kd6 18.a6 Nd4+
19.Kc4 Ne6 20.Ba5 Nec7 21.a7 Na8
22.Bd2 Kc6 23.g5 (9.624.932.926) 2032
54/83 79:15 -2.20++ 10.a4 (9.667.973.394) 2032
54/83 79:19 -2.11++ 10.a4 (9.676.160.138) 2033
54/83 79:25 -1.97++ 10.a4 (9.689.050.596) 2033
54/83 79:41 -1.98 10.a4 Ne8 11.a5 Ne7+ 12.Kb7 Nd6+
13.Kc7 Nb5+ 14.Kb6 Nd4 15.f4 Nd5+
16.Kc5 Nb3+ 17.Kb5 Kd6 18.a6 Nd4+
19.Kc4 Ne6 20.Ba5 Nec7 21.a7 Na8
22.Bd2 Kc6 23.g5 (9.722.139.755) 2033
55/76 80:00 -1.89++ 10.a4 (9.759.610.183) 2033
55/78 80:37 -1.79++ 10.a4 (9.835.759.676) 2033
55/93 85:13 -2.07-- 10.a4 Ne8 (10.420.920.713) 2037
55/93 86:39 -1.86++ 10.a4 (10.603.589.210) 2039
55/111 87:57 -1.60++ 10.a4 (10.761.673.559) 2039
55/118 88:39 -1.61 10.a4 Ne8 11.a5 Ne7+ 12.Kb7 Nd6+
13.Kc7 Nb5+ 14.Kb6 Nd4 15.f4 Nd5+
16.Kc5 Nb3+ 17.Kb5 Kd6 18.a6 Nd4+
19.Kc4 Ne6 20.Ba5 Kc6 21.a7 Nec7
22.g5 h5 23.f5 (10.850.596.854) 2039
56/84 93:28 -1.71-- 10.a4 Ne8 (11.465.678.994) 2044
56/84 98:38 -1.80-- 10.a4 Ne8 (12.137.633.190) 2050
56/84 102:26 -1.94-- 10.a4 Ne8 (12.618.455.640) 2053
56/84 110:23 -2.14-- 10.a4 Ne8 (13.641.448.505) 2059
56/89 129:31 -2.41-- 10.a4 Ne8 (16.063.970.080) 2066
56/113 165:29 -2.42 10.a4 Ne8 11.a5 Ne7+ 12.Kb7 Nd6+
13.Kc7 Nb5+ 14.Kb6 Nd4 15.Kc7 Nxf3
16.a6 Nd4 17.Kb7 Nb5 18.Kb6 Nd6
19.Kc7 Nd5+ 20.Kc6 Nc8 21.h3 f6
22.Bd2 Nce7+ 23.Kb7 (20.704.170.471) 2085
57/84 175:36 -2.32++ 10.a4 (22.090.126.417) 2096
57/84 176:13 -2.23++ 10.a4 (22.173.688.566) 2097
57/84 183:13 -2.51-- 10.a4 Ne8 (23.150.936.419) 2105
57/93 203:02 -2.30++ 10.a4 (25.825.509.707) 2119
57/153 229:17 -2.71-- 10.a4 Ne8 (29.331.423.108) 2132
57/153 241:28 -2.71 10.a4 Ne8 11.a5 Ne7+ 12.Kb7 Nd6+
13.Kb6 Kd7 14.h4 Nd5+ 15.Kc5 Nc7
16.Bg3 Ne6+ 17.Kd5 Nb5 18.Be5 Nbc7+
19.Ke4 Kc6 20.h5 Ne8 21.f4 f6 22.Bc3 Nd6+
23.Ke3 (30.972.446.967) 2137
58/84 257:24 -2.71 10.a4 Ne8 11.a5 Ne7+ 12.Kb7 Nd6+
13.Kb6 Kd7 14.h4 Nd5+ 15.Kc5 Nc7
16.Bg3 Ne6+ 17.Kd5 Nb5 18.Be5 Nbc7+
19.Ke4 Kc6 20.h5 Ne8 21.f4 f6 22.Bc3 Nd6+
23.Ke3 (33.162.455.802) 2147
59/84 270:52 -2.71 10.a4 Ne8 11.a5 Ne7+ 12.Kb7 Nd6+
13.Kb6 Kd7 14.h4 Nd5+ 15.Kc5 Nc7
16.Bg3 Ne6+ 17.Kd5 Nb5 18.Be5 Nbc7+
19.Ke4 Kc6 20.h5 Ne8 21.f4 f6 22.Bc3 Nd6+
23.Ke3 (34.914.926.130) 2148
60/81 273:45 -2.61++ 10.a4 (35.294.548.938) 2148
60/90 275:55 -2.71 10.a4 Ne8 11.a5 Ne7+ 12.Kb7 Nd6+
13.Kb6 Kd7 14.h4 Nd5+ 15.Kc5 Nc7
16.Bc3 Ne6+ 17.Kd5 Nb5 18.Bd2 Ned4
19.Ke4 Nc6 20.Be1 Ke6 21.f4 Nd6+
22.Kf3 Ne8 23.Bc3 {[fen]4n3/5pp1/2n1k2p/P7/5PPP/2B2K2/8/8 b - -[/fen] This appears to be a draw? Not sure. See the pgn} (35.577.487.635) 2149
Debugging is twice as hard as writing the code in the first
place. Therefore, if you write the code as cleverly as possible, you
are, by definition, not smart enough to debug it.
-- Brian W. Kernighan
place. Therefore, if you write the code as cleverly as possible, you
are, by definition, not smart enough to debug it.
-- Brian W. Kernighan