Author: Frank E. Oldham
Date: 16:33:56 05/26/04
Go up one level in this thread
On May 26, 2004 at 16:36:48, Kim Roper Jensen wrote:
>
>[D] 8/5p1k/3p1bpp/2pP4/2P5/5NP1/r4PP1/2R3K1 w - - 0 1
>
>Uhlmann - Geller Palma de Mallorca 1970
>
>From Positional Chess Handbook by Israel Gelfer, chapter regarding choosing a
>endgame
>
>White to move - Best move g4!, to counter blacks h5 and g5 that gives a more
>active position to black with plans of Kg6-f5
>
>Start the engines ! :)
crafty19.10 agrees -- selects g4 from ply 15 on...
end-game phase
clearing hash tables
depth time score variation (1)
14-> 10.36 -0.63 1. Rb1 Ra1 2. Rxa1 Bxa1 3. g4 g5 4.
Kf1 Kg6 5. Nd2 f5 6. f3 fxg4 7. fxg4
Bd4 8. Ke2 Kf6
15 21.93 -0.66 1. Rb1 Kg7 2. Rc1 g5 3. Kf1 Kg6 4.
Rb1 Ra1 5. Rxa1 Bxa1 <HT>
15 31.75 -0.64 1. g4 g5 2. g3 Kg6 3. Kg2 Bh8 4. Rb1
Rb2 5. Rxb2 Bxb2 6. Ne1 f5 7. Nd3 Bd4
8. f3 fxg4 9. fxg4
15-> 31.77 -0.64 1. g4 g5 2. g3 Kg6 3. Kg2 Bh8 4. Rb1
Rb2 5. Rxb2 Bxb2 6. Ne1 f5 7. Nd3 Bd4
8. f3 fxg4 9. fxg4 (s=3)
16 37.62 -0.65 1. g4 g5 2. g3 Kg6 3. Kg2 Bh8 4. Rb1
Rb2 5. Rxb2 Bxb2 6. Ne1 f5 7. f3 fxg4
8. fxg4 Kf6 9. Nf3 Bc3 (s=2)
16-> 42.14 -0.65 1. g4 g5 2. g3 Kg6 3. Kg2 Bh8 4. Rb1
Rb2 5. Rxb2 Bxb2 6. Ne1 f5 7. f3 fxg4
8. fxg4 Kf6 9. Nf3 Bc3 (s=2)
17 57.55 -0.64 1. g4 g5 2. g3 Kg6 3. Kg2 Bh8 4. Rb1
Bb2 5. Re1 Ra4 6. Rb1 Rb4 7. Nd2 Bc3
8. Rxb4 cxb4 9. Nb3 Kf6
17-> 1:10 -0.64 1. g4 g5 2. g3 Kg6 3. Kg2 Bh8 4. Rb1
Bb2 5. Re1 Ra4 6. Rb1 Rb4 7. Nd2 Bc3
8. Rxb4 cxb4 9. Nb3 Kf6 (s=2)
18 2:53 -0.63 1. g4 g5 2. Ne1 Kg6 3. Rc2 Ra1 4. Kf1
Bd4 5. Ke2 f5 6. f3 fxg4 7. fxg4 Ra8
8. Kd2 Re8 9. Ra2 Re4 10. Ra6
18-> 3:24 -0.63 1. g4 g5 2. Ne1 Kg6 3. Rc2 Ra1 4. Kf1
Bd4 5. Ke2 f5 6. f3 fxg4 7. fxg4 Ra8
8. Kd2 Re8 9. Ra2 Re4 10. Ra6
19 5:37 -0.60 1. g4 g5 2. Ne1 Kg6 3. Rc2 Ra1 4. Kf1
Bd4 5. Ke2 f5 6. f3 fxg4 7. fxg4 Ra3
8. Nd3 Kf6 9. g3 Ke7 10. Rd2 Rb3
19-> 6:39 -0.60 1. g4 g5 2. Ne1 Kg6 3. Rc2 Ra1 4. Kf1
Bd4 5. Ke2 f5 6. f3 fxg4 7. fxg4 Ra3
8. Nd3 Kf6 9. g3 Ke7 10. Rd2 Rb3
20 15:15 -0.59 1. g4 g5 2. Kf1 Kg6 3. Rb1 Bb2 4. Re1
Bg7 5. Re8 Bf6 6. Rg8+ Kh7 7. Rb8 Bd4
8. Nxd4 cxd4 9. Rf8 Kg7 10. Rd8 d3
11. f3 d2 12. Ke2
20-> 18:23 -0.59 1. g4 g5 2. Kf1 Kg6 3. Rb1 Bb2 4. Re1
Bg7 5. Re8 Bf6 6. Rg8+ Kh7 7. Rb8 Bd4
8. Nxd4 cxd4 9. Rf8 Kg7 10. Rd8 d3
11. f3 d2 12. Ke2
? 21 18:30 1/18* 1. g4
White(1): ?
time=18:30 cpu=392% mat=0 n=2859902318 fh=90% nps=2.58M
ext-> chk=105508994 cap=8521025 pp=3962794 1rep=4423191
mate=170431
predicted=0 nodes=2859902318 evals=1412866864
endgame tablebase-> probes=0 hits=0
SMP-> split=3294 stop=411 data=9/32 cpu=72:41 elap=18:30
White(1): g4
time used: 18:30
Frank
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