interesting endgame position

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Ovyron
Posts: 4562
Joined: Tue Jul 03, 2007 4:30 am

Re: interesting endgame position

Post by Ovyron »

Ignacio wrote:Try 4...g5 5.e5+ Ke7 6.Kc5
The I get:

[d]8/4k3/B7/1PK1P1p1/8/8/8/1r6 b - - 0 1

12.00 0:00 -2.88 6...g4 7.b6 Rc1+ 8.Bc4 g3 9.b7 g2 10.b8Q g1Q+ 11.Kd5 Qg2+ 12.Kc5 Qf2+ 13.Kb4 (21.606) 68
13.00 0:00 -2.88 6...g4 7.b6 Rc1+ 8.Bc4 g3 9.b7 g2 10.b8Q g1Q+ 11.Kd5 Qg2+ 12.Kc5 Qf2+ 13.Kb4 (31.106) 70
14.00 0:00 -2.78 6...g4 7.b6 Rc1+ 8.Bc4 g3 9.b7 g2 10.b8Q g1Q+ 11.Kd5 Qg2+ 12.Kc5 Qf2+ 13.Kd5 (55.795) 67
15.00 0:02 -2.51 6...g4 7.b6 Rc1+ 8.Bc4 g3 9.b7 g2 10.b8Q g1Q+ (162.009) 66
16.01 0:03 -2.99 6...g4 7.b6 Rc1+ 8.Bc4 g3 9.b7 g2 10.b8Q g1Q+ (242.936) 67
17.01 0:05 -2.52 6...g4 7.b6 Rc1+ 8.Bc4 g3 9.b7 g2 10.b8Q g1Q+ (382.811) 65
18.01 0:10 -2.52 6...g4 7.b6 Rc1+ 8.Kd4 g3 9.Bb7 Rc2 10.Bf3 g2 11.Bxg2 Rxg2 12.Kc5 Rb2 13.Kc6 (647.072) 65
19.01 0:13 -2.52 6...g4 7.b6 Rc1+ 8.Kd4 g3 9.Bb7 Rc2 10.Bf3 g2 11.Bxg2 Rxg2 12.Kc5 Rb2 13.Kc6 (811.977) 62
20.01 0:19 -2.52 6...g4 7.b6 Rc1+ 8.Kd4 g3 9.Bb7 Rc2 10.Bf3 g2 11.Bxg2 Rxg2 12.Kc5 Rb2 13.Kc6 (1.125.856) 59
21.01 0:29 -2.52 6...g4 7.b6 Rc1+ 8.Kd4 g3 9.Bb7 Rc2 10.Bf3 g2 11.Bxg2 Rxg2 12.Kc5 Rb2 13.Kc6 (1.650.550) 56
Ignacio
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Joined: Wed Mar 08, 2006 8:15 pm

Re: interesting endgame position

Post by Ignacio »

After your line: 6...g4 7.b6 Rc1+ 8.Kd4 g3 9.Bb7 Rc2 10.Bf3 g2 11.Bxg2 Rxg2 DRAW
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Ovyron
Posts: 4562
Joined: Tue Jul 03, 2007 4:30 am

Re: interesting endgame position

Post by Ovyron »

You're right, Rybka is blind here without tablebases.

I'll ask about it on RF (to know if Rybka 3 will do better here.)