Author: Slater Wold
Date: 13:32:53 07/28/02
Go up one level in this thread
That is actually pretty good John! Are you using tablebases? I erased all my engines except DJ7 and Crafty, and using TBs, none got even close to your result. On July 28, 2002 at 15:08:16, John Merlino wrote: >On July 28, 2002 at 00:40:23, Slater Wold wrote: > >>[D]8/8/8/7n/8/7N/3kp1K1/5n2 w - - 0 1 >> >>Nf1 to draw. Sure you find Nf1, but do you see the draw? > >Chessmaster 9000's eval drops from -6 to less than -1 in one second (on a >PIII-733). But, due to the material difference, it never reaches 0. Do you >consider this "seeing the draw"? > >Time Depth Score Positions Moves >0:00 1/4 -8.66 3518 1.Ng5 Ne3+ 2.Kh2 Ng4+ 3.Kg2 Nf4+ > 4.Kg3 e1=Q+ 5.Kxf4 >0:00 1/5 -8.70 21768 1.Ng5 Nf4+ 2.Kh1 Ke3 3.Nf3 Kxf3 >0:00 1/5 -6.72 27786 1.Ng1 Ne3+ 2.Kh2 e1=N 3.Kh1 Nf4 >0:00 2/6 -6.66 44216 1.Ng1 Ne3+ 2.Kh3 Nf4+ 3.Kh2 Ng4+ > 4.Kh1 Nf2+ 5.Kh2 e1=N 6.Kg3 Ke3 >0:01 3/7 -0.93 96257 1.Ng1 Ne3+ 2.Kh3 Nf4+ 3.Kh2 Ng4+ > 4.Kh1 e1=B 5.Nf3+ Ke2 6.Nxe1 Ne3 >0:01 4/8 -0.88 202316 1.Ng1 Ne3+ 2.Kh3 Nf4+ 3.Kh2 Ng4+ > 4.Kh1 e1=B 5.Nf3+ Ke2 6.Nxe1 Nf2+ > 7.Kh2 >0:03 5/9 -0.87 422492 1.Ng1 Ne3+ 2.Kh3 Nf4+ 3.Kh2 Ng4+ > 4.Kh1 e1=B 5.Nf3+ Ke3 6.Nxe1 Kd4 > 7.Nf3+ Kd5 >0:06 6/10 -0.85 940558 1.Ng1 Ne3+ 2.Kh3 Nf4+ 3.Kh2 Ng4+ > 4.Kh1 e1=B 5.Nf3+ Ke3 6.Nxe1 Kd4 > 7.Nd3 Ne6 8.Ne5 >0:14 7/11 -0.85 2201477 1.Ng1 Ne3+ 2.Kh3 Nf4+ 3.Kh2 Ng4+ > 4.Kh1 e1=B 5.Nf3+ Ke3 6.Nxe1 Kd4 > 7.Nd3 Ne6 8.Ne5 >0:35 8/12 -0.83 5509487 1.Ng1 Ne3+ 2.Kh3 Nf4+ 3.Kh2 Ng4+ > 4.Kh1 e1=B 5.Nf3+ Ke3 6.Nxe1 Kd4 > 7.Nd3 Nd5 8.Nf4 Nde3 9.Kg1 >1:18 9/13 -0.83 12514652 1.Ng1 Ne3+ 2.Kh3 Nf4+ 3.Kh2 Ng4+ > 4.Kh1 e1=B 5.Nf3+ Ke3 6.Nxe1 Kd4 > 7.Ng2 Nd3 8.Nf4 Nb4 9.Kg2 Ke4 > >>[D]8/4kP2/6P1/8/3rB1r1/2P3P1/6PK/8 w - - 0 1 >> >>Bf5 to draw. And Bf3 does _not_ work. > >Chessmaster 9000 finds Bf5 in 38 seconds: > >Time Depth Score Positions Moves >0:00 4/8 0.28 41338 1.cxd4 Rxe4 2.d5 Rg4 3.d6+ Kf8 > 4.d7 Rd4 5.Kh3 Rxd7 6.Kg4 >0:01 5/9 0.20 75549 1.cxd4 Rxe4 2.d5 Kf8 3.Kh3 Rd4 > 4.g4 Rxd5 5.Kh4 >0:01 6/10 0.20 138893 1.cxd4 Rxe4 2.d5 Kf8 3.Kh3 Rd4 > 4.g4 Rd3+ 5.Kh4 Rxd5 6.g3 >0:03 7/11 0.15 296012 1.cxd4 Rxe4 2.d5 Kf8 3.Kh3 Rd4 > 4.g4 Rxd5 5.Kh4 Rd2 6.Kg3 >0:05 8/12 0.02 574525 1.cxd4 Rxe4 2.d5 Rc4 3.d6+ Kf8 > 4.Kh3 Rd4 5.d7 Rxd7 6.Kg4 Rd2 7.Kf5 > Rxg2 >0:12 9/13 -0.35 1296042 1.cxd4 Rxe4 2.d5 Rc4 3.d6+ Kf8 > 4.Kh3 Rd4 5.d7 Rxd7 6.Kg4 Rd2 7.Kf5 > Rxg2 8.g4 Rf2+ 9.Ke5 >0:38 9/13 -0.06 4052590 1.Bf5 Rg5 2.g7 Kxf7 3.g8=Q+ Rxg8 > 4.cxd4 Rd8 5.g4 Kf6 6.Kg3 Kg5 7.Kf2 > Rxd4 8.Ke3 Rd8 >1:16 10/14 -0.05 8261169 1.Bf5 Rg5 2.g7 Rh5+ 3.Bh3 Kxf7 > 4.cxd4 Kxg7 5.Kg1 Rd5 6.Kf2 Rxd4 > 7.Ke3 Rd1 8.Bf5 Kf6 9.g4 > >jm
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