Author: John Merlino
Date: 20:34:12 07/08/02
Go up one level in this thread
On July 08, 2002 at 22:36:00, Will Singleton wrote: >[D]8/5R2/6P1/1kp5/1p6/3r4/5K2/8 b - - > >It appears PM missed a win here. Black played Rd8 instead of Rd6. Seems like >the rook is better positioned on the 6th rank, so it can help the pawns advance >later on. > >It's a tough position, and I'm not trying to give Andrew any grief. And maybe >I'm wrong. I don't have any commercial programs (except Palm Tiger), so it's >tough to tell. Chessmaster 9000 says Rd6 (on a PIII-600) all the way, but it doesn't give the high evals that some other programs appear to: Time Depth Score Positions Moves 0:00 1/3 -0.35 1461 1...Kc4 2.g7 Rd8 3.Rf8 0:00 1/3 -0.55 2417 1...Rd6 2.g7 Rg6 3.Rb7+ Kc4 4.Ke3 0:00 1/3 -0.64 2799 1...Rd2+ 2.Ke3 Rg2 3.Rb7+ Kc4 0:00 1/4 -0.76 7650 1...Rd2+ 2.Kf3 Rd1 3.Ke4 Re1+ 4.Kd3 Rg1 0:00 1/4 -0.79 8763 1...Rd6 2.g7 Rg6 3.Ke1 Rg2 4.Rb7+ Kc4 0:00 1/5 -0.85 12322 1...Rd6 2.g7 Rg6 3.Ke2 Kc4 4.Rf4+ Kc3 0:00 2/6 -0.90 37713 1...Rd6 2.g7 Rg6 3.Ke1 Ka4 4.Kd2 Rg2+ 5.Kc1 c4 0:01 3/7 -0.86 67076 1...Rd6 2.g7 Rg6 3.Rb7+ Kc4 4.Re7 Kd4 5.Rb7 Kc3 6.Ke3 0:02 4/8 -0.86 164056 1...Rd6 2.g7 Rg6 3.Rc7 Kc4 4.Ke2 Rg1 5.Kf2 Rg4 6.Ke3 0:04 5/9 -1.01 374901 1...Rd6 2.g7 Rg6 3.Kf3 c4 4.Ke3 c3 5.Rb7+ Ka4 6.Kd3 Rg1 7.Kc2 0:09 6/10 -1.00 821184 1...Rd6 2.g7 Rg6 3.Ke3 Kc4 4.Rc7 Kb3 5.Kf4 Rg1 6.Rxc5 Rxg7 7.Rb5 0:20 7/11 -1.17 1852785 1...Rd6 2.g7 Rg6 3.Ke3 Kc4 4.Rc7 Kb3 5.Ke4 c4 6.Kd4 Rg1 7.Rxc4 Rxg7 0:59 8/12 -1.15 5232441 1...Rd6 2.g7 Rg6 3.Ke3 Kc4 4.Kf4 Rg1 5.Kf3 Kc3 6.Kf2 Rg5 7.Ke1 c4 8.Kd1 2:14 9/13 -1.32 12240449 1...Rd6 2.g7 Rg6 3.Ke2 c4 4.Rc7 Ka4 5.Rxc4 Rxg7 6.Rf4 Ka3 7.Rf1 b3 8.Ra1+ Kb4 9.Kd3 jm
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