Author: Bernhard Bauer
Date: 23:22:14 11/29/99
Go up one level in this thread
On November 29, 1999 at 17:01:49, Howard Exner wrote:
>5k2/7K/3P3P/8/3bB3/8/8/8 b - - id Rebel Century - Junior 6.0ss; bm d4e5;
>
>This position occurred in the recent tournament in Germany. Here Junior played
>Ke8 and Rebel eventually won. Can the game be saved with the move Be5?
>eg: 1. ... Be5 2.d7 Bc7. Are endgame table bases needed for this?
Yes, I think Be5 will save the game, and Crafty has the same opinion.
Endgame tablebases are very good for this position. I use (most) of the
5-men class and get the following running on a 2xP3-450.
Crafty17.2 finds Be5 at ply 15 after 68 sec.
13-> 8.50 -3.14 1. ... Kf7 2. d7 Bb6 3. Bg6+ Kf8 4.
Be8 Ba5 5. Kg6 Kg8 6. Bf7+ Kh8 7. Be6
Bd8 8. Bf5 Be7 9. Be6
(3) 14-> 1:01 -3.14 1. ... Ke8 2. Bc6+ Kf8 3. d7 Bb6 4.
Kg6 Kg8 5. Ba8 Kh8 6. Be4 Kg8 7. Bd5+
Kh8 8. Bf7 Bd8 9. Be6 Be7
(2) 15 1:03 -3.20 1. ... Ke8 2. Bc6+ Kf8 3. Bd5 Bg1 4.
d7 Bb6 5. Be6 Bc7 6. Kg6 <HT>
15 1:08 -3.10 1. ... Be5 2. d7 Bc7 3. Kg6 Kg8 4.
h7+ Kh8 5. Kf7 Bd8 6. Ke8 Bg5 7. Bf5
Bf6 8. Bg6 Bg5 9. Be4 <HT>
(3) 15-> 1:08 -3.10 1. ... Be5 2. d7 Bc7 3. Kg6 Kg8 4.
h7+ Kh8 5. Kf7 Bd8 6. Ke8 Bg5 7. Bf5
Bf6 8. Bg6 Bg5 9. Be4 <HT>
16-> 1:11 -3.10 1. ... Be5 2. d7 Bc7 3. Kg6 Kg8 4.
h7+ Kh8 5. Kf7 Bd8 6. Ke8 Bg5 7. Bf5
Bf6 8. Bg6 Bg5 9. Be4 <HT>
17-> 1:17 -3.17 1. ... Be5 2. d7 Bc7 3. Kg6 Kg8 4.
Kf6 Bd8+ 5. Ke6 Bh4 6. Kd6 Bd8 7. Kc6
Kh8 8. Kb7 Kg8 9. Kc8 Bf6 10. Bf5 Be7
18-> 1:24 -3.16 1. ... Be5 2. d7 Bc7 3. Kg6 Kg8 4.
Kf6 Bd8+ 5. Ke6 Bh4 6. Kd6 Bd8 7. Kc6
Kh8 8. Kb7 Kg8 9. Kc8 Ba5 10. Bf5 Bb6
11. Bg6
19-> 1:34 -3.19 1. ... Be5 2. d7 Bc7 3. Kg6 Kg8 4.
Kf6 Bd8+ 5. Ke6 Bh4 6. Kd6 Bd8 7. Kc6
Kh8 8. Kb7 Kg8 9. Kc8 Ba5 10. Bf5 Bb6
11. Bg6 Kh8
20-> 1:43 -3.19 1. ... Be5 2. d7 Bc7 3. Kg6 Kg8 4.
Kf6 Bd8+ 5. Ke6 Bh4 6. Kd6 Bd8 7. Kc6
Kh8 8. Kb7 Kg8 9. Kc8 Ba5 10. Bf5 Bb6
11. Bg6 Kh8 12. Bf7
21-> 1:59 -3.19 1. ... Be5 2. d7 Bc7 3. Kg6 Kg8 4.
Kf6 Bd8+ 5. Ke6 Bh4 6. Kd6 Bd8 7. Kc6
Kh8 8. Kb7 Kg8 9. Bg6 Kh8 10. Bf5 Kg8
11. Kc8 Bh4 12. Kc7 Bg3+ 13. Kc8
22-> 2:18 -3.19 1. ... Be5 2. d7 Bc7 3. Kg6 Kg8 4.
Kf6 Bd8+ 5. Ke6 Bh4 6. Kd6 Bd8 7. Kc6
Kh8 8. Kb7 Kg8 9. Bg6 Kh8 10. Bf5 Kg8
11. Be4 Kh8 12. Kc8 Bb6 13. Bf5
23-> 2:54 -3.19 1. ... Be5 2. d7 Bc7 3. Kg6 Kg8 4.
Kf6 Bd8+ 5. Ke6 Bh4 6. Kd6 Bd8 7. Kc6
Kh8 8. Kb7 Kg8 9. Bg6 Kh8 10. Bf5 Kg8
11. Kc8 Bh4 12. Kc7 Kh8 13. Kc8 Bf6
24-> 3:43 -3.19 1. ... Be5 2. d7 Bc7 3. Kg6 Kg8 4.
Kf6 Bd8+ 5. Ke6 Bh4 6. Kd6 Bd8 7. Kc6
Kh8 8. Kb7 Kg8 9. Bg6 Kh8 10. Bf5 Kg8
11. Kc8 Ba5 12. Bg6 Bb6 13. Bb1 Kh8
14. Bf5
25-> 5:07 -3.19 1. ... Be5 2. d7 Bc7 3. Kg6 Kg8 4.
Kf6 Bd8+ 5. Ke6 Bh4 6. Kd6 Bd8 7. Kc6
Kh8 8. Kb7 Kg8 9. Bg6 Kh8 10. Kc8 Bh4
11. Kc7 Bf6 12. Bf5 Be7 13. Kc8 <HT>
26-> 7:02 -3.19 1. ... Be5 2. d7 Bc7 3. Kg6 Kg8 4.
Kf6 Bd8+ 5. Ke6 Bh4 6. Kd6 Bd8 7. Kc6
Kh8 8. Kb7 Kg8 9. Bg6 Kh8 10. Kc8 Bh4
11. Kc7 Bg3+ 12. Kb7 Bh4 13. Bd3 Bd8
14. Kc8 Ba5 15. Bf5 Bb6
27-> 9:27 -3.19 1. ... Be5 2. d7 Bc7 3. Kg6 Kg8 4.
Kf6 Bd8+ 5. Ke6 Bh4 6. Kd6 Bd8 7. Kc6
Kh8 8. Kb7 Kg8 9. Bg6 Kh8 10. Kc8 Bh4
11. Kc7 Bg3+ 12. Kb7 Bh4 13. Bd3 Bd8
14. Kc8 Ba5 15. Bg6 Bb6 16. Bf7
28-> 12:21 -3.19 1. ... Be5 2. d7 Bc7 3. Kg6 Kg8 4.
Kf6 Bd8+ 5. Ke6 Bh4 6. Kd6 Bd8 7. Kc6
Kh8 8. Kb7 Kg8 9. Bg6 Kh8 10. Kc8 Bh4
11. Kc7 Bg3+ 12. Kb7 Bh4 13. Kc8 Bf6
14. Be4 Bh4 15. Bf5 Bg5 16. Kc7 Bf4+
17. Kc8
Kind regards
Bernhard
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