Author: John Merlino
Date: 13:28:32 07/21/05
Go up one level in this thread
On July 21, 2005 at 14:08:33, Torstein Hall wrote: >This position is from a game Capablanca - Tartakower 1928. > >Capa played 35.Kg3 and won after 35...Rxc3+ 36.Kh4 Rf3 37.g6!, but is it reallly >a win? Can black improve with 36...a6 ? > >[D]5k2/p1p4R/1pr5/3p1pP1/P2P1P2/2P2K2/8/8 w - - 0 35 > >Torstein CM9_R1 on a P4-2.4 says this: Time Depth Score Positions Moves 0:00 1/8 0.24 51580 35.Ke2 Rxc3 36.Rd7 Ra3 37.Rxd5 Rxa4 38.Rxf5+ Kg7 39.Rf6 a5 0:00 1/8 0.36 64847 35.Rd7 Rxc3+ 36.Ke2 Ra3 37.Rxd5 Rxa4 38.Rxf5+ Kg7 39.Rf6 a5 40.Ke3 0:00 1/9 0.31 106192 35.Rd7 Rxc3+ 36.Ke2 Ra3 37.Rxd5 Rxa4 38.Rxf5+ Kg7 39.Rf6 Rxd4 40.f5 Rd7 0:01 2/10 0.38 227382 35.Rd7 Rxc3+ 36.Ke2 Rc4 37.Rxd5 a5 38.Rxf5+ Kg7 39.Rf6 Rxd4 40.f5 Rxa4 41.Ke3 0:01 3/11 0.38 395691 35.Rd7 Rxc3+ 36.Ke2 Rc4 37.Rxd5 Rxa4 38.Rxf5+ Kg7 39.Rd5 a5 40.Rd7+ Kg6 41.Rxc7 b5 42.Ra7 0:03 4/12 0.36 792704 35.Rd7 Rxc3+ 36.Ke2 Rc4 37.Rxd5 Rxa4 38.Rxf5+ Kg7 39.Rd5 a5 40.Rd7+ Kg6 41.Rxc7 Rxd4 42.Rc6+ Kg7 43.Rf6 0:08 5/13 0.37 2076851 35.Rd7 Rxc3+ 36.Ke2 c6 37.Rxa7 Rc4 38.Kd3 c5 39.dxc5 bxc5 40.a5 Rxf4 41.Rc7 Rd4+ 42.Ke3 0:16 6/14 0.39 4565579 35.Rd7 Rxc3+ 36.Ke2 c6 37.Rxa7 Rc4 38.Kd3 c5 39.dxc5 bxc5 40.a5 Rxf4 41.Rc7 Rd4+ 42.Kc2 Rc4+ 43.Kb3 0:31 6/14 0.47 8259518 35.Kg3 Rxc3+ 36.Kh4 Rc2 37.Kh5 Rf2 38.Rxc7 Rxf4 39.Rxa7 Rxd4 40.g6 Rc4 41.Kg5 d4 42.Rf7+ Kg8 43.Rd7 Rxa4 44.Kxf5 1:02 7/15 0.56 16079659 35.Kg3 Rxc3+ 36.Kh4 c5 37.g6 cxd4 38.Kg5 d3 39.Rd7 Rc5 40.Kh6 Ke8 41.Rxa7 Rc1 42.g7 Rh1+ 43.Kg5 Rg1+ 44.Kxf5 d2 2:03 8/16 0.60 32013521 35.Kg3 Rxc3+ 36.Kh4 c5 37.g6 cxd4 38.Kg5 a6 39.Rf7+ Kg8 40.Rd7 b5 41.axb5 axb5 42.Kxf5 b4 43.Ke5 Re3+ 44.Kxd4 Re4+ 45.Kxd5 Rxf4 4:34 9/17 0.70 71585119 35.Kg3 Rxc3+ 36.Kh4 c5 37.g6 cxd4 38.Rxa7 Rc6 39.Rf7+ Kg8 40.Rxf5 Rd6 41.Rg5 d3 42.Rg2 Rf6 43.Kg5 Kg7 44.f5 But after forcing the first three moves, The King agrees that 36...a6 is better than 36...c5 -- but not much: Time Depth Score Positions Moves 0:00 1/8 0.16 103273 36...Rc1 37.Rd7 Rh1+ 38.Kg3 c6 39.Kf2 Rd1 40.Ke3 Re1+ 41.Kd3 Re7 42.Rd6 0:01 1/9 0.16 223489 36...Rc1 37.Rd7 Rh1+ 38.Kg3 Ra1 39.Rxd5 Rxa4 40.Rxf5+ Kg7 41.Rf6 a5 42.f5 Rxd4 0:01 2/10 0.27 440306 36...Rc1 37.Kh5 Rf1 38.Kg6 Rxf4 39.Kf6 Ke8 40.Rh8+ Kd7 41.g6 Rxd4 42.g7 Rg4 43.g8=Q Rxg8 44.Rxg8 0:03 3/11 0.27 767604 36...Rc1 37.Kh5 Rf1 38.Kg6 Rxf4 39.Kf6 Ke8 40.Rh8+ Kd7 41.g6 Rxd4 42.g7 Rg4 43.g8=Q Rxg8 44.Rxg8 0:06 4/12 0.75 1499453 36...Rc1 37.Kh5 Rf1 38.Kg6 Rxf4 39.Kf6 Ke8 40.Rh8+ Kd7 41.g6 Rxd4 42.Kxf5 Rd1 43.g7 Rf1+ 44.Ke5 0:11 4/12 0.60 2577910 36...c5 37.dxc5 bxc5 38.g6 c4 39.Kg5 Rb3 40.Rf7+ Kg8 41.Rc7 Rb8 42.Kxf5 Rf8+ 43.Ke5 0:24 5/13 0.56 5748978 36...c5 37.g6 cxd4 38.Rd7 Rc5 39.Kg5 d3 40.Kh6 Ke8 41.Rxa7 Rc1 42.g7 Rh1+ 43.Kg5 Rg1+ 44.Kxf5 d2 0:49 6/14 0.64 11901860 36...c5 37.dxc5 bxc5 38.g6 d4 39.Kg5 Rb3 40.Rc7 Rb8 41.Rxc5 Rd8 42.Rxf5+ Kg8 43.Rf7 d3 44.Rxa7 1:53 7/15 0.99 27492533 36...c5 37.Rxa7 cxd4 38.g6 d3 39.Rf7+ Kg8 40.Rd7 Rc1 41.Rxd5 Rg1 42.Kh5 Rg3 43.Kh6 Kf8 44.Rd8+ Ke7 2:40 7/15 0.74 38901688 36...a6 37.g6 b5 38.axb5 axb5 39.Rf7+ Kg8 40.Rxf5 c6 41.Rf7 c5 42.dxc5 d4 43.Kg4 b4 44.Rb7 d3 45.Rb8+ Kg7 4:32 8/16 0.81 64641430 36...a6 37.g6 b5 38.Rf7+ Kg8 39.Rxf5 Kg7 40.Rxd5 Kxg6 41.axb5 a5 42.Rc5 Rb3 43.Kg4 a4 44.Rc6+ Kf7 45.Rxc7+ Ke6 46.Ra7 10:10 9/17 0.77 149752481 36...a6 37.Rd7 Rc6 38.Rxd5 Rd6 39.Rxf5+ Kg8 40.Kg4 Rxd4 41.Rf6 Rxa4 42.Rc6 Ra1 43.Rxc7 Rf1 44.Kf5 Rg1 45.Rc8+ Kf7 jm
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