Author: Shaun Brewer
Date: 05:31:24 08/28/99
Go up one level in this thread
On August 28, 1999 at 08:03:19, odell hall wrote:
>Hi
>
> This game was played at Santa Domingo last year, Time control was 40/2.
>At move 36. Rebel played Bxe4? Accordinging to all my programs this move should
>lose. Not being real great at endgames I cannot be so sure. Maybe someone with
>the crafty endgame tablebases can say for sure. Did the fide Master go astray or
>did Rebel simply produce an endgame brilliancy? Here is the epd for the Crucial
>position, as well as the complete game.`
>
>8/K5pp/8/2pk4/4p3/2P4n/PPB2P2/8 w - - id REBEL 10 400MHZ 128 - NM JUAN ML.
>JAQUEZ; bm c2e4;
>
Odell Hall,
Here is Crafty's output 12 minutes PII 300 with all 4 piece tablebases in place.
search time set to 720.00.
hash table memory = 48M bytes.
pawn hash table memory = 16M bytes.
EGTB cache memory = 4M bytes.
EGTB access enabled
using tbpath=./TB
4 piece tablebase files found
1490kb of RAM used for TB indices and decompression tables
using cpu time
Crafty 16.15 vs ferret
PFGA: EPD record: 1
end-game phase
clearing hash tables
time surplus 0.00 time limit 12:00 (12:00)
s depth time score variation (1)
White(1): exit
8-> 0.93 -1.34 1. b4 Nxf2 2. Bb3+ Ke5 3. b5 e3 4.
Bc4 Ne4 5. Kb6
9 1.43 -- 1. b4
9 2.09 -1.95 1. b4 Nxf2 2. b5 e3 3. b6 e2 4. b7
e1=Q 5. b8=Q Qe7+ 6. Kb6 Ne4
9 2.75 -1.51 1. Bb3+ Kd6 2. Bc4 Nxf2 3. b4 e3 4.
b5 Nd1 5. b6 Nxc3 <HT>
9-> 3.41 -1.51 1. Bb3+ Kd6 2. Bc4 Nxf2 3. b4 e3 4.
b5 Nd1 5. b6 Nxc3 <HT>
10 5.00 -1.65 1. Bb3+ Ke5 2. Bc4 Nxf2 3. b4 cxb4
4. cxb4 Kd4 5. Bb5 g5 6. a4 h5
10-> 9.45 -1.65 1. Bb3+ Ke5 2. Bc4 Nxf2 3. b4 cxb4
4. cxb4 Kd4 5. Bb5 g5 6. a4 h5
11 12.85 -1.61 1. Bb3+ c4 2. Ba4 Nxf2 3. b3 cxb3 4.
axb3 g5 5. Be8 h6 6. Kb6 e3 7. b4
11-> 17.41 -1.61 1. Bb3+ c4 2. Ba4 Nxf2 3. b3 cxb3 4.
axb3 g5 5. Be8 h6 6. Kb6 e3 7. b4
12 21.70 -1.83 1. Bb3+ c4 2. Bd1 Nxf2 3. Be2 Nd3 4.
b3 g6 5. Bf1 h5 6. b4 e3 7. a4
12-> 36.14 -1.83 1. Bb3+ c4 2. Bd1 Nxf2 3. Be2 Nd3 4.
b3 g6 5. Bf1 h5 6. b4 e3 7. a4
13 41.36 -2.01 1. Bb3+ c4 2. Bd1 Nxf2 3. Be2 Nd3 4.
b3 g6 5. Kb6 h5 6. Kc7 h4 7. b4 g5
13-> 1:22 -2.01 1. Bb3+ c4 2. Bd1 Nxf2 3. Be2 Nd3 4.
b3 g6 5. Kb6 h5 6. Kc7 h4 7. b4 g5
14 1:45 -1.97 1. Bb3+ c4 2. Bd1 Nxf2 3. Bh5 g6 4.
Be2 e3 5. b4 Ne4 6. b5 Nxc3 7. b6 Nb5+
<HT>
14-> 2:39 -1.97 1. Bb3+ c4 2. Bd1 Nxf2 3. Bh5 g6 4.
Be2 e3 5. b4 Ne4 6. b5 Nxc3 7. b6 Nb5+
<HT>
15 3:19 -2.21 1. Bb3+ c4 2. Bd1 Nxf2 3. Bh5 g6 4.
Be2 Nd3 5. b3 e3 6. Bf3+ Ke5 7. bxc4
Kf4 8. Bd1 h5 9. a4
15 9:12 -2.09 1. b4 cxb4 2. cxb4 Nxf2 3. b5 e3 4.
b6 e2 5. b7 e1=Q 6. Bb3+ Kd4 7. b8=Q
Qa5+ 8. Kb7 Ne4 9. Kc6 Qc3+ 10. Kd7
Nc5+ 11. Ke7 Ke3
15-> 9:44 -2.09 1. b4 cxb4 2. cxb4 Nxf2 3. b5 e3 4.
b6 e2 5. b7 e1=Q 6. Bb3+ Kd4 7. b8=Q
Qa5+ 8. Kb7 Ne4 9. Kc6 Qc3+ 10. Kd7
Nc5+ 11. Ke7 Ke3
16 11:36 -2.40 1. b4 cxb4 2. cxb4 Nxf2 3. b5 e3 4.
b6 e2 5. b7 e1=Q 6. Bb3+ Kd4 7. b8=Q
Qa5+ 8. Kb7 Qb4+ 9. Ka8 Qxb8+ 10. Kxb8
h5 11. a4 g5 12. a5 h4
time=12:00 cpu=99% mat=0 n=112886351 fh=90% nps=156732
ext-> checks=3840744 recaps=207478 pawns=862481 1rep=79929
thrt:2387
predicted=0 nodes=112886351 evals=30137305
endgame tablebase-> probes done=91 successful=74
Shaun
>
>
>[Event "4ta. COPA SAMANEL"]
>[Site "?"]
>[Date "1998.12.20"]
>[Round "?"]
>[White "REBEL 10 400MHZ 128"]
>[Black "NM JUAN ML. JAQUEZ"]
>[Result "1-0"]
>[WhiteElo "2555"]
>[BlackElo "2205"]
>[ECO "B01"]
>
>1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bc4 Bf5 6. Nf3 Nf6 7. O-O
>e6 8. Bf4 Nbd7 9. Qe2 Bg4 10. h3 Bxf3 11. Qxf3 Rd8 12. Rad1 Bb4 13. Ne4
>Nxe4 14. Qxe4 O-O 15. Bb3 Nf6 16. Qe2 Bd6 17. Bxd6 Rxd6 18. c3 Rfd8 19.
>Rfe1 b6 20. Qe5 c5 21. dxc5 Qxc5 22. Qxc5 bxc5 23. Rxd6 Rxd6 24. Rd1 Rxd1+
>25. Bxd1 Kf8 26. Kf1 Ke7 27. Ke2 e5 28. Kd3 Nd5 29. g3 f5 30. Kc4 Kd6 31.
>Kb5 e4 32. Ka6 f4 33. gxf4 Nxf4 34. Bc2 Kd5 35. Kxa7 Nxh3 36. Bxe4+ Kxe4
>37. b4 cxb4 38. cxb4 Nxf2 39. b5 Kd5 40. b6 Nd3 41. b7 Ne5 42. Kb6 Nd7+
>43. Kc7 Nc5 44. b8=N h5 45. Nc6 h4 46. Ne7+ Ke4 47. Kc6 Nd3 1-0
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