Author: Rick Hagen
Date: 23:24:50 10/06/05
Some new moons ago I posted this position: "Rambling Rook" Kramnik-Krasenkov [D]3R2nk/r5p1/6PP/3NK3/8/8/8/8 w - - 0 70 Analysis by Fritz 8: 70.h7 Re7+ 71.Kf5 Re8 72.hxg8Q+ Rxg8 73.Rd7 Rf8+ 74.Rf7 Re8 +- (4.47) Depth: 7/10 00:00:00 14kN 70.h7 Re7+ 71.Kf5 Re8 72.hxg8Q+ Rxg8 73.Rd7 Rf8+ 74.Rf7 Re8 +- (4.47) Depth: 8/27 00:00:00 40kN 70.h7 Re7+ 71.Kf5 Re8 72.hxg8Q+ Rxg8 73.Rd7 Rf8+ 74.Kg5 Kg8 75.Kg4 +- (4.43) Depth: 9/27 00:00:00 100kN 70.h7 Re7+ 71.Kf5 Re8 72.hxg8Q+ Rxg8 73.Rd7 Rf8+ 74.Kg5 Kg8 75.Ne7+ Kh8 76.Nc6 +- (4.43) Depth: 10/31 00:00:00 224kN 70.h7 Re7+ 71.Kf5 Re5+ 72.Kg4 Re4+ 73.Kh3 Re8 74.hxg8Q+ Rxg8 75.Rd7 Rf8 76.Kg4 Kg8 +- (4.40) Depth: 11/26 00:00:00 468kN 70.h7 Re7+ 71.Kf5 Re5+ 72.Kg4 Rg5+ 73.Kf4 Rf5+ 74.Kg3 Rg5+ 75.Kf3 Rf5+ +- (4.34) Depth: 12/61 00:00:01 1021kN 70.h7! +- (4.62) Depth: 13/58 00:00:02 2099kN 70.h7 Re7+ 71.Kd6 Re6+ 72.Kc5 Re8 73.hxg8Q+ Rxg8 74.Rd7 Rf8 75.Kd4 Ra8 76.Nc7 +- (4.68) Depth: 13/58 00:00:02 2193kN 70.h7! +- (4.97) Depth: 14/56 00:00:03 3977kN 70.h7-- +- (4.68) Depth: 15/41 00:00:06 7839kN 70.h7 Re7+ 71.Kd6 Re6+ 72.Kc5 Rc6+ 73.Kb5 Rc5+ 74.Kb4 Rc4+ +- (4.40) Depth: 15/90 00:00:47 64179kN 70.h7 Re7+ 71.Kd6 Re6+ 72.Kc5 Rc6+ 73.Kb5 Rc5+ 74.Kb4 Rc4+ +- (4.40) Depth: 16/68 00:00:55 74942kN 70.h7 Re7+ 71.Kd6 Re6+ 72.Kc5 Rc6+ 73.Kb5 Rc5+ 74.Kb4 Rc4+ +- (4.40) Depth: 17/60 00:01:07 90713kN 70.h7 Re7+ 71.Kd6 Re6+ 72.Kc5 Rc6+ 73.Kd4 Rc4+ 74.Kd3 Rd4+ 75.Ke3 Re4+ +- (4.37) Depth: 18/68 00:01:30 121301kN 70.h7 Re7+ 71.Kd6 Re6+ 72.Kc5 Rc6+ 73.Kd4 Rc4+ 74.Kd3 Rd4+ 75.Ke3 Re4+ +- (4.37) Depth: 19/58 00:02:41 219121kN 70.h7 Re7+ 71.Kd6 Re6+ 72.Kc5 Rc6+ 73.Kd4 Rc4+ 74.Kd3 Rd4+ 75.Ke3 Re4+ +- (4.37) Depth: 20/64 00:04:09 340315kN 70.h7 Re7+ 71.Kd6 Re6+ 72.Kc5 Rc6+ 73.Kd4 Rc4+ 74.Kd3 Rd4+ 75.Ke3 Re4+ +- (4.37) Depth: 21/66 00:07:56 649074kN Fritz 8 sees no problem... okay, some checks... but check is not mate, is it. Analysis by Fritz 9: 70.h7 Re7+ 71.Kf5 Re8 72.hxg8Q+ Rxg8 73.Rxg8+ Kxg8 74.Kg5 Kf8 75.Nf6 +- (3.38) Depth: 7/19 00:00:00 16kN 70.h7 Re7+ 71.Kf5 Re8 72.hxg8Q+ Rxg8 73.Rxg8+ Kxg8 74.Kg5 Kf8 75.Nf6 Ke7 +- (3.42) Depth: 8/23 00:00:00 53kN 70.h7 Re7+ 71.Kf5 Re8 72.hxg8Q+ Rxg8 73.Rxg8+ Kxg8 74.Kg5 Kf8 75.Nf6 Ke7 +- (3.42) Depth: 9/12 00:00:00 98kN 70.h7 Re7+ 71.Kf5 Re8 72.hxg8Q+ Rxg8 73.Rxg8+ Kxg8 74.Kg5 Kf8 75.Nf6 Ke7 +- (3.42) Depth: 10/25 00:00:00 200kN 70.h7 Re7+ 71.Kf5 Re5+ 72.Kg4 Re4+ 73.Kh3 Re3+ 74.Kh4 Re8 75.hxg8Q+ Rxg8 76.Rxg8+ Kxg8 77.Kg5 Kf8 78.Nf6 Ke7 79.Ne4 Kf8 +- (3.37) Depth: 11/40 00:00:00 514kN 70.h7 Re7+ 71.Kf5 Re5+ 72.Kg4 Re4+ 73.Kh3 Rh4+ 74.Kg3 Rg4+ +- (3.33) Depth: 12/47 00:00:01 1111kN 70.h7 Re7+ 71.Kd6 Re6+ 72.Kc5 Re8 73.hxg8Q+ Rxg8 74.Rxg8+ Kxg8 75.Kd6 Kf8 76.Nc7 Kg8 77.Ne6 Kh8 78.Ke5 Kg8 +- (3.53) Depth: 13/51 00:00:02 2168kN 70.h7 Re7+ 71.Kd6 Re6+ 72.Kc5 Rc6+ 73.Kd4 Rc4+ 74.Ke5 Re4+ 75.Kf5 +- (3.33) Depth: 14/99 00:00:03 4337kN 70.h7-- +- (3.05) Depth: 15/88 00:00:06 8037kN 70.h7 Re7+ 71.Kd6 Re6+ 72.Kc5 Rc6+ 73.Kd4 Rc4+ 74.Ke5 Re4+ 75.Kf5 Re5+ 76.Kg4 = (0.14) Depth: 15/99 00:00:06 8191kN 70.Rb8! = (0.15) Depth: 15/99 00:00:16 20804kN 70.Rb8 gxh6 71.Nf4 Kg7 72.Ne6+ Kxg6 73.Rxg8+ Kh7 74.Rc8 h5 75.Kf5 Ra5+ 76.Nc5 Ra1 77.Kg5 Rh1 78.Rc7+ Kh8 79.Ne6 h4 = (0.18) Depth: 15/99 00:00:18 24647kN 70.Rf8! = (0.18) Depth: 15/99 00:00:19 25397kN 70.Rf8 gxh6 71.Rf7 Rxf7 72.gxf7 Kg7 73.Ke6 h5 74.Nf4 = (0.18) Depth: 15/99 00:00:20 26369kN 70.Kf5! = (0.19) Depth: 15/99 00:00:22 29697kN 70.Kf5! ² (0.34) Depth: 15/99 00:00:24 32745kN 70.Kf5! ² (0.66) Depth: 15/99 00:00:26 35079kN 70.Kf5 gxh6 71.Nf4 Ra5+ 72.Ke6 Ra6+ 73.Ke5 Ra5+ 74.Ke4 Ra4+ ± (0.79) Depth: 15/99 00:00:35 46494kN 70.Kf5 gxh6 71.Nf4 Ra5+ 72.Ke6 Ra6+ 73.Ke5 Ra5+ 74.Ke4 Ra4+ ± (0.79) Depth: 16/51 00:01:01 86469kN 70.Kf5 gxh6 71.Nf4 Ra5+ 72.Ke6 Ra6+ 73.Ke5 Ra5+ 74.Ke4 Ra7 ± (0.78) Depth: 17/51 00:02:12 196110kN 70.Nf4! ± (0.78) Depth: 17/76 00:04:15 394316kN Yes, I am pleasantly surprised indeed. I leave it up to Chris C. to do a move comparison between F9 and Fruit 2.1 ;) Regards, Rick
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