Author: John Merlino
Date: 11:38:35 01/06/03
Go up one level in this thread
On January 06, 2003 at 03:49:00, Scott Gasch wrote: >Here's a position from monsoon-tinker tonight. I believe that monsoon has just >blundered the win by playing f5. It's tinker's move now and I think that f6 >holds the draw. Tinker played Ka6 which lost because it allowed white to play >e5 and make another passer. Monsoon wants to play c3 here with a drawish >score... maybe that plan works too. What does your engine say and do you chess >experts think f6 really holds? > >[D]2r5/1k3ppp/1P6/P4P2/2p1P3/8/7P/2R4K b - - 0 40 Chessmaster 9000, on a P3-733, says that c3 holds: Time Depth Score Positions Moves 0:00 1/5 0.08 3290 40...c3 41.Kg2 Rc5 42.f6 gxf6 0:00 1/6 -0.05 14505 40...c3 41.Rc2 Rc5 42.Kg2 f6 43.Kf3 Rxa5 44.Rxc3 Kxb6 0:00 2/7 0.02 36423 40...c3 41.Kg2 Rc5 42.Kf3 f6 43.Kf4 Rxa5 44.Rxc3 Kxb6 0:01 3/8 -0.05 63381 40...c3 41.Kg2 c2 42.Kf3 f6 43.Ke3 Ka6 44.Kd2 Kxa5 45.Rxc2 Rxc2+ 46.Kxc2 Kxb6 0:03 4/9 0.66 224194 40...c3 41.e5 Rc5 42.e6 Rxa5 43.Rxc3 Rxf5 44.Rc7+ Kxb6 45.Rxf7 0:04 4/9 0.52 289592 40...Rc5 41.Ra1 Rc8 42.e5 Re8 43.Rd1 c3 44.Rd7+ Kb8 45.Rxf7 Rxe5 46.Rxg7 Rxa5 0:08 5/10 0.35 697505 40...Rc5 41.Ra1 Rc8 42.e5 c3 43.e6 fxe6 44.fxe6 Kc6 45.Ra2 Kb7 46.e7 0:17 6/11 0.36 1470131 40...Rc5 41.Ra1 Ka6 42.f6 gxf6 43.Rb1 Rc8 44.Kg2 c3 45.b7 Rb8 46.Rb6+ Kxa5 0:41 7/12 0.28 3650168 40...Rc5 41.Ra1 Ka6 42.f6 gxf6 43.Rb1 Rc8 44.Kg2 c3 45.Kf2 c2 46.b7 Rb8 47.Rb6+ Kxa5 1:53 8/13 0.87 10577876 40...Rc5 41.Ra1 Rc8 42.e5 Re8 43.a6+ Kxb6 44.a7 Ra8 45.e6 fxe6 46.fxe6 c3 47.e7 Kb7 48.Rb1+ Kc6 49.Rb8 4:14 8/13 0.20 24075868 40...c3 41.e5 Rc5 42.e6 Rxa5 43.Rxc3 fxe6 44.fxe6 Re5 45.Rc7+ Kxb6 46.Rxg7 Rxe6 47.Rxh7 Re1+ 48.Kg2 Kc6 6:15 9/14 0.19 36432171 40...c3 41.e5 Rc5 42.e6 Rxa5 43.Rxc3 fxe6 44.fxe6 Re5 45.Rc7+ Kxb6 46.Rxg7 Kc5 47.h4 Kd6 48.Kg2 Kxe6 49.Rxh7 After forcing 40...f6, we have: Time Depth Score Positions Moves 0:00 1/3 0.22 543 41.Rg1 Ka6 42.Rxg7 Kxa5 0:00 1/4 0.68 1328 41.Rg1 Ka6 42.Rxg7 c3 0:00 1/5 0.66 5927 41.Rg1 Rg8 42.Rg3 Ka6 43.Kg2 Kxa5 0:00 1/6 0.80 16151 41.Rg1 g6 42.fxg6 hxg6 43.Rxg6 Ka6 44.Kg2 c3 0:00 2/7 0.89 45866 41.Rg1 Rg8 42.e5 fxe5 43.f6 g6 44.f7 Rc8 45.Rf1 0:01 3/8 0.89 84706 41.Rg1 Rg8 42.e5 fxe5 43.f6 g6 44.f7 Rc8 45.Rf1 0:02 4/9 1.06 212672 41.Rg1 Rg8 42.e5 fxe5 43.f6 g6 44.f7 Rf8 45.Rf1 c3 0:06 5/10 0.88 556226 41.Rg1 Rg8 42.Rg3 Ka6 43.e5 Rb8 44.Rxg7 Kxa5 45.b7 fxe5 0:20 6/11 0.81 1705870 41.Rg1 Rg8 42.e5 fxe5 43.f6 g6 44.Rd1 c3 45.f7 Rc8 46.Rc1 Rf8 47.Rf1 0:58 7/12 0.91 5091082 41.Rg1 g6 42.fxg6 hxg6 43.Rxg6 c3 44.Rg7+ Kc6 45.b7 Re8 46.Rg3 Kxb7 47.Rxc3 Rxe4 48.Rf3 Ra4 2:31 8/13 0.83 13668384 41.Rg1 c3 42.Rxg7+ Kc6 43.b7 Re8 44.Rg3 c2 45.b8=N+ Rxb8 46.Rc3+ Kd6 47.Rxc2 Rb1+ 48.Kg2 Ra1 49.Rd2+ Ke5 50.Rd7 Rxa5 51.Rxh7 Kxe4 5:43 9/14 0.85 31326405 41.Rg1 c3 42.Rxg7+ Kc6 43.b7 Re8 44.Rg3 c2 45.b8=N+ Rxb8 46.Rc3+ Kd6 47.Rxc2 Rb1+ 48.Kg2 Ra1 49.Rb2 Ke5 50.Rb6 Rxa5 51.Re6+ Kd4 52.Rxf6 Kxe4 jm
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