[D]6k1/2b2pp1/p6p/8/8/7P/PP3PP1/4B1K1 w - - 0 0
What's the eval of your favourite program here?
According to GM Yuri Averbakh in one of his endgame books, this is an easy win for white.
The plan is simply to bring up white's king to support the passed pawn on the queen side, then, when black blocks the progress there, switch the king to the king side to win (some of the) the king side pawns.
Is there an engine seeing a clearly winning score for white here? Like +5?
Evaluation of a winning endgame position
Moderators: hgm, Rebel, chrisw
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muxecoid
- Posts: 150
- Joined: Sat Jan 30, 2010 10:54 am
- Location: Israel
Re: Evaluation of a winning endgame position
After 10 minutes of analysis Spark 0.3a gives +2.03 at depth 37 . Judging by the PV Spark picked the right strategy and score growth with depth suggests that in very long time it will show winning score.
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royb
- Posts: 536
- Joined: Thu Mar 09, 2006 12:53 am
Re: Evaluation of a winning endgame position
After 6 minutes of calculation (373 seconds) on my 3 GHz laptop (single core used), here is what Stockfish-1.6.3 has for its analysis:
1 +1.49 1.Bc3 (0.45)
2 +1.33 1.Bc3 f6 (0.45)
3 +1.37 1.Bc3 f6 2.Kf1 (0.45)
4 +1.05 1.Bc3 f6 2.Kf1 Kf7 (0.45)
4 +1.17 1.Kf1 Be5 2.Bc3 Bxc3 3.bxc3 (0.45)
5 +1.17 1.Kf1 Be5 2.Bc3 Bxc3 3.bxc3 Kf8 (0.45)
5 +1.37 1.Bc3 f6 2.Kf1 Kf7 3.Ke2 (0.45)
6 +1.21 1.Bc3 f6 2.Kf1 Kf7 3.Ke2 Ke6 (0.45)
6 +1.49 1.Kf1 Be5 2.Bc3 Bxc3 3.bxc3 Kf8 4.Ke2 (0.45)
7 +1.29 1.Kf1 f6 2.Ke2 Be5 3.Bc3 Bxc3 4.bxc3 Kf7 (0.45)
8 +1.21 1.Kf1 f6 2.Ke2 Kf7 3.Ke3 Bb6+ 4.Ke4 Ke6 5.f4 f5+ 6.Kd3 (0.45)
9 +1.21 1.Kf1 f6 2.Ke2 Kf7 3.Ke3 Bb6+ 4.Ke4 Ke6 5.f4 f5+ 6.Kd3 (0.46)
10 +1.17 1.Kf1 f6 2.Ke2 Kf7 3.Ke3 Bb6+ 4.Ke4 Ke6 5.f4 f5+ 6.Kd3 Kd5 (0.46)
11 +1.17 1.Kf1 f6 2.Ke2 Kf7 3.Bc3 Ke6 4.Bd4 Kd5 5.Kd3 Bd6 6.b3 (0.47)
12 +1.21 1.Kf1 f6 2.Ke2 Kf7 3.Bc3 Ke6 4.Bd4 Kd5 5.Kd3 Bd6 6.b3 a5 7.f3 (0.49)
13 +1.21 1.Kf1 f6 2.Ke2 Kf7 3.Bc3 Ke6 4.Bd4 Kd5 5.Kd3 Bd6 6.b3 a5 7.f3 (0.53)
14 +1.21 1.Kf1 f6 2.Ke2 Kf7 3.Bc3 Ke6 4.Bd4 Kd5 5.Kd3 Bd6 6.b3 Be5 7.Bxe5 Kxe5 8.b4 f5 (0.57)
15 +1.25 1.Kf1 f6 2.Ke2 Kf7 3.Bc3 Ke6 4.Bd4 Kd5 5.Kd3 Bd6 6.b3 h5 7.g3 Be5 8.Bxe5 Kxe5 (0.67)
16 +1.25 1.Kf1 f6 2.Ke2 Kf7 3.Bc3 Ke6 4.Bd4 Kd5 5.Kd3 Bd6 6.b3 h5 7.g3 Be5 8.Bxe5 Kxe5 9.f4+ Kd5 (0.85)
17 +1.29 1.Kf1 f6 2.Ke2 Kf7 3.Bc3 Ke6 4.b4 Kd5 5.Kd3 h5 6.a4 Bd6 7.f3 h4 8.b5 axb5 9.axb5 (1.11)
18 +1.41 1.Kf1 f6 2.Ke2 Kf7 3.Kd3 Ke6 4.Kc4 Bb6 5.f3 Ke5 6.b4 Ke6 7.Bc3 h5 8.Bd4 Bxd4 9.Kxd4 h4 10.f4 (1.74)
19 +1.53 1.Kf1 f6 2.Ke2 Kf7 3.Kd3 Ke6 4.Kc4 Bb6 5.f3 f5 6.Bc3 g5 7.b4 f4 8.Bd4 Bxd4 9.Kxd4 Ke7 10.a4 Ke6 11.b5 (3.21)
20 +1.69 1.Kf1 Kf8 2.Bb4+ Ke8 3.Bc3 g6 4.Ke2 Kd7 5.Kd3 Kc6 6.Kc4 Bb6 7.f3 f5 8.b4 f4 9.Be5 Bc7 10.Bxc7 Kxc7 11.Kc5 h5 12.Kd5 (8.79)
21 +1.73 1.Kf1 Kf8 2.Bb4+ Ke8 3.Bc3 g5 4.g4 Ke7 5.Ke2 Bd6 6.Kd3 Ke6 7.b4 Kd5 8.a4 f6 9.b5 axb5 10.axb5 Kc5 11.Bxf6 Kxb5 12.Bg7 Bc5 13.Bxh6 (13.53)
22 +1.97 1.Kf1 Be5 2.b4 Kf8 3.Ke2 Bf6 4.Kd3 g5 5.a4 Ke7 6.Bc3 (23.71)
23 +2.02 1.Kf1 Bb6 2.Ke2 Kf8 3.Kd3 Ke7 4.b4 Kd6 5.Kc4 Kc6 6.a4 h5 7.b5+ axb5+ 8.axb5+ Kc7 9.f3 Be3 10.Bc3 f6 11.Bb4 f5 12.Bc3 g6 13.Bf6 Kb6 14.Bd8+ Kb7 15.Kd5 f4 (44.15)
24 +2.02 1.Kf1 Bb6 2.Ke2 Kf8 3.Kd3 Ke7 4.b4 Kd6 5.Kc4 Kc6 6.a4 h5 7.b5+ axb5+ 8.axb5+ Kc7 9.f3 Be3 10.Bc3 f6 11.Bb4 f5 12.Bc3 g6 13.Bf6 f4 14.Kd3 Kb6 15.Kc4 Kb7 16.Be5 Kb6 (52.99)
25 +2.02 1.Kf1 Kf8 2.Ke2 Ke7 3.Kd3 Kd6 4.Kc4 Bb6 5.b4 Kc6 6.a4 h5 7.Bc3 f6 8.Be1 Ba7 9.b5+ axb5+ 10.axb5+ Kd7 11.f3 Bb6 12.Bb4 Kc7 13.Bf8 g6 14.Bg7 f5 15.Be5+ Kd7 (87.48)
26 +2.14 1.Kf1 Kf8 2.Ke2 Ke7 3.Kd3 Kd6 4.Kc4 Bb6 5.b4 Kc6 6.a4 g6 7.f3 f5 8.Bc3 f4 9.Bd2 Bc7 10.Bc3 h5 11.b5+ axb5+ 12.axb5+ Kb7 13.Bd4 Bb6 14.Bf6 Be3 15.Bg5 Kb6 16.g3 Bd2 17.Bxf4 Bxf4 18.gxf4 h4 (115.86)
27 +2.14 1.Kf1 Kf8 2.Ke2 Ke7 3.Kd3 Kd6 4.Kc4 Bb6 5.b4 Kc6 6.a4 g6 7.f3 f5 8.Bc3 f4 9.Bd2 Bc7 10.Bc3 h5 11.b5+ axb5+ 12.axb5+ Kb7 13.Bd4 Bb6 14.Bf6 Be3 15.Bg5 Kb6 16.g3 Bd2 17.Bxf4 Bxf4 18.gxf4 (156.93)
28 +2.14 1.Kf1 Kf8 2.Ke2 Ke7 3.Kd3 Kd6 4.Kc4 Bb6 5.b4 Kc6 6.a4 g6 7.f3 f5 8.Bc3 f4 9.Bd2 Bc7 10.Bc3 h5 11.b5+ axb5+ 12.axb5+ Kb7 13.Bd4 Bb6 14.Bf6 Be3 15.Bg5 Kb6 16.g3 Bd2 17.Bxf4 Bxf4 18.gxf4 (215.49)
29 +2.14 1.Kf1 Kf8 2.Ke2 Ke7 3.Kd3 Kd6 4.Kc4 Bb6 5.b4 Kc6 6.a4 g6 7.f3 h5 8.Bc3 Be3 9.Bf6 Kb7 10.Bg7 Kc6 11.Bd4 Bxd4 12.Kxd4 f6 13.h4 Kb6 14.Kd5 g5 15.Ke6 a5 16.Kxf6 gxh4 17.b5 (373.36)
It sees that the King walk to the Q-side and then switching to the K-side is the way to make progress.
1 +1.49 1.Bc3 (0.45)
2 +1.33 1.Bc3 f6 (0.45)
3 +1.37 1.Bc3 f6 2.Kf1 (0.45)
4 +1.05 1.Bc3 f6 2.Kf1 Kf7 (0.45)
4 +1.17 1.Kf1 Be5 2.Bc3 Bxc3 3.bxc3 (0.45)
5 +1.17 1.Kf1 Be5 2.Bc3 Bxc3 3.bxc3 Kf8 (0.45)
5 +1.37 1.Bc3 f6 2.Kf1 Kf7 3.Ke2 (0.45)
6 +1.21 1.Bc3 f6 2.Kf1 Kf7 3.Ke2 Ke6 (0.45)
6 +1.49 1.Kf1 Be5 2.Bc3 Bxc3 3.bxc3 Kf8 4.Ke2 (0.45)
7 +1.29 1.Kf1 f6 2.Ke2 Be5 3.Bc3 Bxc3 4.bxc3 Kf7 (0.45)
8 +1.21 1.Kf1 f6 2.Ke2 Kf7 3.Ke3 Bb6+ 4.Ke4 Ke6 5.f4 f5+ 6.Kd3 (0.45)
9 +1.21 1.Kf1 f6 2.Ke2 Kf7 3.Ke3 Bb6+ 4.Ke4 Ke6 5.f4 f5+ 6.Kd3 (0.46)
10 +1.17 1.Kf1 f6 2.Ke2 Kf7 3.Ke3 Bb6+ 4.Ke4 Ke6 5.f4 f5+ 6.Kd3 Kd5 (0.46)
11 +1.17 1.Kf1 f6 2.Ke2 Kf7 3.Bc3 Ke6 4.Bd4 Kd5 5.Kd3 Bd6 6.b3 (0.47)
12 +1.21 1.Kf1 f6 2.Ke2 Kf7 3.Bc3 Ke6 4.Bd4 Kd5 5.Kd3 Bd6 6.b3 a5 7.f3 (0.49)
13 +1.21 1.Kf1 f6 2.Ke2 Kf7 3.Bc3 Ke6 4.Bd4 Kd5 5.Kd3 Bd6 6.b3 a5 7.f3 (0.53)
14 +1.21 1.Kf1 f6 2.Ke2 Kf7 3.Bc3 Ke6 4.Bd4 Kd5 5.Kd3 Bd6 6.b3 Be5 7.Bxe5 Kxe5 8.b4 f5 (0.57)
15 +1.25 1.Kf1 f6 2.Ke2 Kf7 3.Bc3 Ke6 4.Bd4 Kd5 5.Kd3 Bd6 6.b3 h5 7.g3 Be5 8.Bxe5 Kxe5 (0.67)
16 +1.25 1.Kf1 f6 2.Ke2 Kf7 3.Bc3 Ke6 4.Bd4 Kd5 5.Kd3 Bd6 6.b3 h5 7.g3 Be5 8.Bxe5 Kxe5 9.f4+ Kd5 (0.85)
17 +1.29 1.Kf1 f6 2.Ke2 Kf7 3.Bc3 Ke6 4.b4 Kd5 5.Kd3 h5 6.a4 Bd6 7.f3 h4 8.b5 axb5 9.axb5 (1.11)
18 +1.41 1.Kf1 f6 2.Ke2 Kf7 3.Kd3 Ke6 4.Kc4 Bb6 5.f3 Ke5 6.b4 Ke6 7.Bc3 h5 8.Bd4 Bxd4 9.Kxd4 h4 10.f4 (1.74)
19 +1.53 1.Kf1 f6 2.Ke2 Kf7 3.Kd3 Ke6 4.Kc4 Bb6 5.f3 f5 6.Bc3 g5 7.b4 f4 8.Bd4 Bxd4 9.Kxd4 Ke7 10.a4 Ke6 11.b5 (3.21)
20 +1.69 1.Kf1 Kf8 2.Bb4+ Ke8 3.Bc3 g6 4.Ke2 Kd7 5.Kd3 Kc6 6.Kc4 Bb6 7.f3 f5 8.b4 f4 9.Be5 Bc7 10.Bxc7 Kxc7 11.Kc5 h5 12.Kd5 (8.79)
21 +1.73 1.Kf1 Kf8 2.Bb4+ Ke8 3.Bc3 g5 4.g4 Ke7 5.Ke2 Bd6 6.Kd3 Ke6 7.b4 Kd5 8.a4 f6 9.b5 axb5 10.axb5 Kc5 11.Bxf6 Kxb5 12.Bg7 Bc5 13.Bxh6 (13.53)
22 +1.97 1.Kf1 Be5 2.b4 Kf8 3.Ke2 Bf6 4.Kd3 g5 5.a4 Ke7 6.Bc3 (23.71)
23 +2.02 1.Kf1 Bb6 2.Ke2 Kf8 3.Kd3 Ke7 4.b4 Kd6 5.Kc4 Kc6 6.a4 h5 7.b5+ axb5+ 8.axb5+ Kc7 9.f3 Be3 10.Bc3 f6 11.Bb4 f5 12.Bc3 g6 13.Bf6 Kb6 14.Bd8+ Kb7 15.Kd5 f4 (44.15)
24 +2.02 1.Kf1 Bb6 2.Ke2 Kf8 3.Kd3 Ke7 4.b4 Kd6 5.Kc4 Kc6 6.a4 h5 7.b5+ axb5+ 8.axb5+ Kc7 9.f3 Be3 10.Bc3 f6 11.Bb4 f5 12.Bc3 g6 13.Bf6 f4 14.Kd3 Kb6 15.Kc4 Kb7 16.Be5 Kb6 (52.99)
25 +2.02 1.Kf1 Kf8 2.Ke2 Ke7 3.Kd3 Kd6 4.Kc4 Bb6 5.b4 Kc6 6.a4 h5 7.Bc3 f6 8.Be1 Ba7 9.b5+ axb5+ 10.axb5+ Kd7 11.f3 Bb6 12.Bb4 Kc7 13.Bf8 g6 14.Bg7 f5 15.Be5+ Kd7 (87.48)
26 +2.14 1.Kf1 Kf8 2.Ke2 Ke7 3.Kd3 Kd6 4.Kc4 Bb6 5.b4 Kc6 6.a4 g6 7.f3 f5 8.Bc3 f4 9.Bd2 Bc7 10.Bc3 h5 11.b5+ axb5+ 12.axb5+ Kb7 13.Bd4 Bb6 14.Bf6 Be3 15.Bg5 Kb6 16.g3 Bd2 17.Bxf4 Bxf4 18.gxf4 h4 (115.86)
27 +2.14 1.Kf1 Kf8 2.Ke2 Ke7 3.Kd3 Kd6 4.Kc4 Bb6 5.b4 Kc6 6.a4 g6 7.f3 f5 8.Bc3 f4 9.Bd2 Bc7 10.Bc3 h5 11.b5+ axb5+ 12.axb5+ Kb7 13.Bd4 Bb6 14.Bf6 Be3 15.Bg5 Kb6 16.g3 Bd2 17.Bxf4 Bxf4 18.gxf4 (156.93)
28 +2.14 1.Kf1 Kf8 2.Ke2 Ke7 3.Kd3 Kd6 4.Kc4 Bb6 5.b4 Kc6 6.a4 g6 7.f3 f5 8.Bc3 f4 9.Bd2 Bc7 10.Bc3 h5 11.b5+ axb5+ 12.axb5+ Kb7 13.Bd4 Bb6 14.Bf6 Be3 15.Bg5 Kb6 16.g3 Bd2 17.Bxf4 Bxf4 18.gxf4 (215.49)
29 +2.14 1.Kf1 Kf8 2.Ke2 Ke7 3.Kd3 Kd6 4.Kc4 Bb6 5.b4 Kc6 6.a4 g6 7.f3 h5 8.Bc3 Be3 9.Bf6 Kb7 10.Bg7 Kc6 11.Bd4 Bxd4 12.Kxd4 f6 13.h4 Kb6 14.Kd5 g5 15.Ke6 a5 16.Kxf6 gxh4 17.b5 (373.36)
It sees that the King walk to the Q-side and then switching to the K-side is the way to make progress.
-
Marc MP
Re: Evaluation of a winning endgame position
Apparently Stockfish sees the way (and Spark too reading M.Golub's post).
Still the position given here: http://www.talkchess.com/forum/viewtopi ... 61&t=33593
looks like a dead draw to me... this one is a clear win for white... yet if you compare the evaluation of your favourite engine, it might lead you to think otherwise (unless you reach very deep depth I suppose).
As for example:
I have yet to find an engine that scores this one higher than the one posted by Stephen Ham here: http://www.talkchess.com/forum/viewtopi ... 55&t=33593
Event tough I have the full set of 5 men EGTB and EGBB for various engines.
[D] 8/5k2/R5p1/7p/3r3P/5BK1/8/8 w
Still the position given here: http://www.talkchess.com/forum/viewtopi ... 61&t=33593
looks like a dead draw to me... this one is a clear win for white... yet if you compare the evaluation of your favourite engine, it might lead you to think otherwise (unless you reach very deep depth I suppose).
As for example:
Code: Select all
6k1/2b2pp1/p6p/8/8/7P/PP3PP1/4B1K1 w - - 0 1
Analysis by Toga II 1.4.1SE JA with 5 men EGBB:
<snip>
1.Kf1 f6 2.Ke2 Kf7 3.Kd3 Ke6 4.Bc3 h5 5.Ke4 g5 6.b4 Bd6 7.g3 h4 8.gxh4 f5+ 9.Kd3
± (1.16) Depth: 16/22 00:00:01 324kN
1.Kf1 f6 2.Ke2 Kf7 3.Kd3 Ke6 4.Kc4 h5 5.Bc3 Bf4 6.b4 Kf5 7.g3 Bd6 8.Bd4
± (1.18) Depth: 17/23 00:00:02 744kN
1.Kf1 f6 2.Ke2 Kf7 3.Kd3 Ke6 4.Kc4 Bb6 5.f3 Be3 6.Bc3 Bf4 7.Bd4 h5 8.h4 Kf5
± (1.20) Depth: 18/29 00:00:03 1717kN
1.Kf1 f6 2.Ke2 Kf7 3.Kd3 Ke6 4.Kc4 Bb6 5.f3 h5 6.b4 Kf5 7.Bc3 Ke6 8.Bd4 Bxd4 9.Kxd4 h4 10.a4
± (1.22) Depth: 19/29 00:00:04 3085kN
1.Kf1 f6 2.Ke2 Kf7 3.Kd3 Ke6 4.Kc4 Bb6 5.f3 h5 6.b4 Bc7 7.Bc3 Be5 8.Bd4 Bd6 9.a4 h4 10.b5
± (1.28) Depth: 20/29 00:00:08 6624kN
1.Kf1 f6 2.Ke2 Kf7 3.Kd3 Ke6 4.Kc4 Bb6 5.f3 Be3 6.Bc3 Kf5 7.Bd4 Bxd4 8.Kxd4 a5 9.b3 h5 10.a3 h4 11.Kd5 g5
± (1.32) Depth: 21/34 00:00:23 20700kN
Kd3 Kd5 7.Bg7 h5 8.Bf6 g4 9.fxg4 fxg4 10.hxg4 hxg4 11.a3 Bf2
± (1.40) Depth: 22/38 00:00:49 45500kN
1.Kf1 Kf8 2.Ke2 Ke7 3.Kd3 g5 4.Bc3 Kd6 5.Kc4 Bb6 6.Bd4 Bxd4 7.Kxd4 a5 8.g4 Kc6 9.f3 Kd6 10.Ke4 Kd7 11.Ke5 Kc6 12.f4
+- (1.44) Depth: 23/52 00:01:46 97770kN
1.Kf1 f6 2.Ke2 Kf7 3.Kd3 Ke6 4.Kc4 Bb6 5.b4 Kd7 6.f3 h5 7.Bd2 Ke6 8.Bc3 h4 9.a4 Kd7 10.b5 axb5+ 11.axb5 Kd6 12.Bd4 Bxd4 13.Kxd4 g5 14.f4
+- (1.45) Depth: 24/52 00:02:49 158mN
1.Kf1 f6 2.Ke2 Kf7 3.Kd3 Ke6 4.Kc4 Kd7 5.Bb4 Be5 6.Bc3 Bxc3 7.Kxc3 Kc6 8.Kc4 g6 9.b4 Kb6 10.a4 Kc6 11.Kd4 h5 12.g3 g5 13.f3 Kd6
+- (1.52) Depth: 25/52 00:03:50 214mN
1.Kf1 f6 2.Ke2 Kf7 3.Kd3 Ke6 4.Kc4 Bb6 5.b4 Ba7 6.f3 Bb6 7.Bc3 Kd6 8.Bd4 Bxd4 9.Kxd4 Kc6 10.a4 h5 11.f4 h4 12.f5 Kb6 13.Kd5 Kc7 14.Ke4
+- (1.56) Depth: 26/71 00:06:25 351mN
1.Kf1 Kf8 2.Ke2 Ke7 3.Kd3 Kd6 4.Kc4 Bb6 5.Bc3 f6 6.Bd4 Bxd4 7.Kxd4 a5 8.Kc4 Kc6 9.a4 h5 10.b4 axb4 11.Kxb4 Kb6 12.a5+ Ka6 13.f4 f5 14.h4 g6 15.Ka4 Kb7 16.Kb5
+- (1.63) Depth: 27/71 00:14:33 798mN
1.Kf1 Kf8 2.Ke2 Ke7 3.Kd3 Kd6 4.Kc4 g6 5.Bc3 Kc6 6.b4 Bb6 7.f3 Be3 8.a4 Bf2 9.Bd4 Bxd4 10.Kxd4 Kd6 11.g4 Kc6 12.Ke5 g5 13.f4 f6+ 14.Ke4 gxf4 15.Kxf4 Kd5 16.b5
+- (1.68) Depth: 28/71 00:18:30 1019mN
1.Kf1 Kf8 2.Ke2 Ke7 3.Kd3 Kd6 4.Kc4 g6 5.Bc3 Kc6 6.b4 Bb6 7.f3 Be3 8.a4 Kd6 9.Bd4 Bxd4 10.Kxd4 g5 11.g4 Kc7 12.Kc5 f6 13.Kc4 Kb6 14.Kd3 Kb7 15.Ke4
+- (1.68) Depth: 29/71 00:21:25 1179mN
1.Kf1 Kf8 2.Ke2 Ke7 3.Kd3 Kd6 4.Kc4 Kc6 5.b4 Bb6 6.a4 f6 7.b5+ axb5+ 8.axb5+ Kb7 9.f4 f5 10.Bb4 h5 11.Bc5 Bc7 12.Be3 h4 13.Bd4 g6 14.Be5 Ba5 15.Kc5 Bd2 16.Kd5
+- (1.72) Depth: 30/71 00:41:53 2359mN
1.Kf1 Kf8 2.Ke2 Ke7 3.Kd3 Kd6 4.Kc4 Kc6 5.b4 Bb6 6.a4 Bc7 7.b5+ axb5+ 8.axb5+ Kb7 9.f3 h5 10.Bf2 g6 11.Bd4 Bd8 12.Kd5 Bb6 13.Bc5 Bc7 14.g4 Bb6 15.h4 Kc7 16.Bd6+ Kd7
+- (1.75) Depth: 31/71 01:18:58 4524mN
1.Kf1 Kf8 2.Ke2 Ke7 3.Kd3 Kd6 4.Kc4 Kc6 5.b4 Bb6 6.a4 Bc7 7.b5+ axb5+ 8.axb5+ Kb7 9.f3 h5 10.Bf2 g6 11.Bd4 Bd8 12.Kd5 Bb6 13.Bc5 Bc7 14.Kd4 Bb6 15.Kc4 Bc7 16.g4 Bb6
+- (1.75) Depth: 32/71 01:31:08 5186mN
1.Kf1 Kf8 2.Ke2 Ke7 3.Kd3 Kd6 4.Kc4 Kc6 5.b4 Bb6 6.a4 Bc7 7.b5+ axb5+ 8.axb5+ Kb7 9.f3 h5 10.Bf2 g6 11.Bd4 Bd8 12.Kd5 Bc7 13.Bc5 Bf4 14.g4 h4 15.Bd4 Bc7 16.Bf2 Bg3
+- (1.78) Depth: 33/71 03:04:58 10557mN
Event tough I have the full set of 5 men EGTB and EGBB for various engines.
[D] 8/5k2/R5p1/7p/3r3P/5BK1/8/8 w
-
F. Bluemers
- Posts: 868
- Joined: Thu Mar 09, 2006 11:21 pm
- Location: Nederland
Re: Evaluation of a winning endgame position
dirty:Marc MP wrote:[D]6k1/2b2pp1/p6p/8/8/7P/PP3PP1/4B1K1 w - - 0 0
What's the eval of your favourite program here?
According to GM Yuri Averbakh in one of his endgame books, this is an easy win for white.
The plan is simply to bring up white's king to support the passed pawn on the queen side, then, when black blocks the progress there, switch the king to the king side to win (some of the) the king side pawns.
Is there an engine seeing a clearly winning score for white here? Like +5?
Code: Select all
23 +1.91 3843.1M 745:02.83 Kf1 h5 Ke2 f5 a4 Kf7 Kd3 Ke6 Bc3 g6 Kc4 g5 f3 Bd6 b4 g4
23 +1.91 3298.9M 512:51.72 Kf1 h5 Ke2 f5 a4 Kf7 Kd3 Ke6 Bc3 g6 Kc4 g5 f3 Bd6 b4 g4 hxg4
22 +1.89 4078.8M 317:50.18 Kf1 h5 Ke2 f5 Bc3 Kf7 f3 g6 Kd3 Ke6 Kc4 Bd6 b4 Bc7 a4
22 +1.89 1496.2M 224:37.42 Kf1 h5 Ke2 f5 Bc3 Kf7 f3 g6 Kd3 Ke6 Kc4 Bd6 b4 Bc7 a4 Bd6 b5
21 +1.81 3089.3M 112:37.97 Kf1 Bd6 Ke2 f5 Bc3 Kf7 b4 h5 Kd3 Ke6 Kc4 g5 Bd4 g4 a4 Bf4
21 +1.81 878.7M 82:38.74 Kf1 Bd6 Ke2 f5 Bc3 Kf7 b4 h5 Kd3 Ke6 Kc4 g5 Bd4 g4 a4 Bf4
20 +1.73 2095.5M 31:50.84 Kf1 Kf8 Ke2 Ke7 Kd3 Ke6 Kc4 g6 b4 h5 f3 f6 Bf2 Be5 Bd4 Bd6 a4
20 +1.73 1351.7M 21:40.53 Kf1 Kf8 Ke2 Ke7 Kd3 Ke6 Kc4 g6 b4 h5 f3 f6 Bf2 Be5 Bd4 Bd6 a4 Kf5
19 +1.70 868.1M 13:13.31 Kf1 Kf8 Ke2 Ke7 Kd3 Ke6 Kc4 g6 b4 h5 f3 f6 Bf2 Bd6 Bd4 Kf5
19 +1.70 577.7M 9:14.77 Kf1 Kf8 Ke2 Ke7 Kd3 Ke6 Kc4 g6 b4 h5 f3 f6 Bf2 Bd6 Bd4 Kf5 a4
18 +1.64 389.6M 6:00.58 Kf1 Kf8 Ke2 Ke7 Kd3 Ke6 Kc4 g6 b4 h5 f3 f6 Bf2 Bd6 Bd4 Kf5 a4
18 +1.64 283.6M 4:28.02 Kf1 Kf8 Ke2 Ke7 Kd3 Ke6 Kc4 g6 b4 h5 f3 f6 Bf2 Bd6 Bd4 Kf5 a4
18 +1.56 187.2M 2:48.31 Bc3 h5 f3 Kf8 Kf2 g6 Ke2 Ke7 b3 Ke6 Kd3 Bd6 g4 h4 Ke4 f5+
17 +1.55 147.2M 2:10.74 Bc3 h5 f3 Kf8 Kf2 g6 Ke2 Ke7 b3 Ke6 Kd3 Bd6 g4 hxg4 hxg4 f6
17 +1.55 97.5M 1:26.73 Bc3 h5 f3 Kf8 Kf2 g6 Ke2 Ke7 b3 Ke6 Kd3 Bd6 g4 hxg4 hxg4 f6 Bd4 Bf4
16 +1.54 85.9M 1:16.47 Bc3 h5 f3 Kf8 Kf2 g6 Ke2 Ke7 b3 Ke6 Kd3 Bd6 Bd4 Kd5 b4 Bxb4
16 +1.54 41.7M 0:36.67 Bc3 h5 f3 Kf8 Kf2 g6 Ke2 Ke7 b3 Ke6 Kd3 Bd6 Bd4 Kd5 g4 hxg4
15 +1.55 29.7M 0:26.20 Bc3 Bd6 Kf1 h5 Ke2 f6 b3 Kf7 Kd3 Ke6 Bd4 g6 f3 Kf5
15 +1.55 23.4M 0:21.06 Bc3 Bd6 Kf1 h5 Ke2 f6 b3 Kf7 Kd3 Ke6 Bd4 g6 f3 Kf5 g4+ hxg4
15 +1.51 16.3M 0:14.71 f3 g6 Kf2 f5 Bc3 Kf7 Ke3 Ke6 g4 Bd6 b4 Kd5 gxf5 gxf5 f4 h5
14 +1.54 12.0M 0:10.96 f3 Bd6 Kf2 f5 Bc3 Kf7 Ke2 g6 b3 Ke6 Kd3 Kd5 Bd4 h5
14 +1.54 7.4M 0:06.97 f3 Bd6 Kf2 f5 Bc3 Kf7 Ke2 g6 b3 Ke6 Kd3 Kd5 Bd4 h5
13 +1.49 4.6M 0:04.38 f3 f6 Kf2 Kf7 Ke3 Bd6 Bc3 Ke6 b3 h5 Kd3 g6 Bd4
13 +1.49 2.6M 0:02.62 f3 f6 Kf2 Kf7 Ke3 Bd6 Bc3 Ke6 b3 h5 Kd3 g6 Bd4
12 +1.49 2.2M 0:02.24 f3 f6 Kf2 Kf7 Ke3 Bd6 Bc3 Ke6 b4 g6 f4 Kd5
12 +1.49 1.2M 0:01.29 f3 f6 Kf2 Kf7 Ke3 Bd6 Bc3 Ke6 b4 g6 f4 Kd5
11 +1.53 1.0M 0:01.09 f3 f6 Kf2 Kf7 Ke3 Bd6 Bc3 Ke6 b4 g6 Ke4
11 +1.53 652141 0:00.74 f3 f6 Kf2 Kf7 Ke3 Bd6 Bc3 Ke6 b4 g6 Ke4
10 +1.50 550788 0:00.64 f3 f6 Kf2 Kf7 Ke3 Bd6 Bc3 Ke6 b4 g6
10 +1.50 527442 0:00.62 f3 f6 Kf2 Kf7 Ke3 Bd6 Bc3 Ke6 b4 g6
10 +1.48 325792 0:00.40 Bc3 f6 f3 Kf7 Kf2 Bf4 b4 Ke6 g3 Bd6