Author: Dann Corbit
Date: 17:26:37 09/01/99
Go up one level in this thread
On September 01, 1999 at 19:45:13, Phil Dixon wrote: >r2k3r/p1p2ppp/3b4/1B1n4/3Pp1bq/5PN1/PP1P1KPP/RNBQ3R b - - 0 13 > >I would be interested in different programs analysis of this position and what >some good player's analysis of the position would be? Obviously, Black is down >a piece. Is there positional compensation, how much? > >Black to move. I haven't been able to find a refutation. Could you run this on >your Xeon box for a while, Bob? I would be most grateful. Can't turn an onion into an apple, no matter how long you shine it, I'm afraid. Here's the crafty result at approximately C.A.P. time controls: PFGA: EPD record: 1 middle-game phase clearing hash tables time surplus 0.00 time limit 16:40 (16:40) s depth time score variation (1) Black(0): exit 6-> 2:30 -3.59 1. ... exf3 2. gxf3 Bd7 3. Bxd7 Qxd4+ 4. Ke1 Qe5+ 5. Qe2 Qxe2+ 6. Nxe2 Kxd7 7 3:24 -3.34 1. ... exf3 2. gxf3 Bd7 3. Bxd7 Qxd4+ 4. Ke1 Kxd7 5. d3 Rae8+ 6. Kf1 7-> 3:33 -3.34 1. ... exf3 2. gxf3 Bd7 3. Bxd7 Qxd4+ 4. Ke1 Kxd7 5. d3 Rae8+ 6. Kf1 8 3:43 -3.22 1. ... exf3 2. gxf3 Bd7 3. Bxd7 Qxd4+ 4. Ke1 Kxd7 5. Ne4 Rae8 6. d3 8-> 3:48 -3.22 1. ... exf3 2. gxf3 Bd7 3. Bxd7 Qxd4+ 4. Ke1 Kxd7 5. Ne4 Rae8 6. d3 9 4:07 -3.33 1. ... exf3 2. gxf3 Bh3 3. Ke2 Qxd4 4. Qa4 Nf4+ 5. Kd1 Qxa4+ 6. Bxa4 Bg2 7. Bc6 Bxh1 8. Bxa8 9-> 4:28 -3.33 1. ... exf3 2. gxf3 Bh3 3. Ke2 Qxd4 4. Qa4 Nf4+ 5. Kd1 Qxa4+ 6. Bxa4 Bg2 7. Bc6 Bxh1 8. Bxa8 10 5:09 ++ 1. ... exf3!! 10-> 6:41 -2.94 1. ... exf3 2. gxf3 Bh3 3. Ke2 Qxd4 4. Qa4 Nf4+ 5. Kd1 Qxa4+ 6. Bxa4 Bg2 7. Bc6 Bxh1 8. Bxa8 11 9:43 -2.74 1. ... exf3 2. gxf3 Bh3 3. Ke2 Qe7+ 4. Ne4 f5 5. Bc6 Nf4+ 6. Ke3 Rb8 7. d3 fxe4 8. dxe4 11-> 12:16 -2.74 1. ... exf3 2. gxf3 Bh3 3. Ke2 Qe7+ 4. Ne4 f5 5. Bc6 Nf4+ 6. Ke3 Rb8 7. d3 fxe4 8. dxe4 time=16:40 cpu=99% mat=-4 n=111561877 fh=94% nps=111484 ext-> checks=9416964 recaps=266739 pawns=14595 1rep=580464 thrt:12767 predicted=0 nodes=111561877 evals=13358896 endgame tablebase-> probes done=0 successful=0
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