Author: Uri Blass
Date: 05:28:30 07/03/03
Go up one level in this thread
On July 03, 2003 at 07:32:42, Chessfun wrote: >On July 03, 2003 at 05:42:52, George Tsavdaris wrote: > >>On July 03, 2003 at 04:16:06, fabio calamassi wrote: >> >>>On July 02, 2003 at 19:41:48, George Tsavdaris wrote: >>> >>>>In this position Chesstiger 14.0 and ChessTiger 15.0 don't find the winning >>>>move 1.fxg8B with win after: 1...Bxc7 2.Nd4! and mate in few moves. >>>>They do not also find the 2.Nd4! >>>>I remember ChessTiger 14.0 had problems with some Knight-Bishop endgames and >>>>it was advertised that with Tiger 15.0 these problems were solved. True but >>>>it seems that there are still some small? problems-bugs like this to solve >>>>until ChessTiger 16.0. >>>> >>>>[D]kb4r1/2P2P2/K7/8/8/1N6/8/8 w - - 0 1 >>> >>> >>> Hello, >>> on my P4 2,5 GHZ 512 RAM, CT14 and 15 find the winning move instantly!! >> >>Can you please the analysis of both CT-14&15. In my computer CT15 want to >>play Nc5 which draws. If you have the right position and in your computer >>CT-14&15 find the 1.fxg8B then something is wrong with my computer although >>this will be absolutely strange. > >It needs tablebaases to find it. > >With 3,4 and 5 piece > >New game >kb4r1/2P2P2/K7/8/8/1N6/8/8 w - - 0 1 > >Analysis by Chess Tiger 15.0: > >1.fxg8B Bxc7 > +- (#6) Depth: 6 00:00:00 6kN, tb=9 >1.fxg8B Bxc7 > +- (#6) Depth: 6 00:00:00 6kN, tb=9 >1.fxg8B Bxc7 > +- (#6) Depth: 9 00:00:00 6kN, tb=9 >1.fxg8B Bxc7 > +- (#6) Depth: 9 00:00:00 6kN, tb=9 >1.fxg8B Bxc7 > +- (#6) Depth: 9 00:00:00 6kN, tb=9 >1.fxg8B Bxc7 > +- (#6) Depth: 9 00:00:00 6kN, tb=9 >1.fxg8B Bxc7 > +- (#6) Depth: 9 00:00:00 6kN, tb=9 >1.fxg8B Bxc7 > +- (#6) Depth: 9 00:00:00 6kN, tb=9 >1.fxg8B Bxc7 > +- (#6) Depth: 9 00:00:00 6kN, tb=9 >1.fxg8B Bxc7 > +- (#6) Depth: 9 00:00:00 6kN, tb=9 >1.fxg8B Bxc7 > +- (#6) Depth: 9 00:00:00 6kN, tb=9 >1.fxg8B Bxc7 > +- (#6) Depth: 9 00:00:00 6kN, tb=9 >1.fxg8B Bxc7 > +- (#6) Depth: 9 00:00:00 6kN, tb=9 >1.fxg8B Bxc7 > +- (#6) Depth: 9 00:00:00 6kN, tb=9 >1.fxg8B Bxc7 > +- (#6) Depth: 9 00:00:00 6kN, tb=9 >1.fxg8B Bxc7 > +- (#6) Depth: 9 00:00:00 6kN, tb=9 >1.fxg8B Bxc7 > +- (#6) Depth: 9 00:00:00 6kN, tb=9 >1.fxg8B Bxc7 > +- (#6) Depth: 10 00:00:00 9kN, tb=18 >1.fxg8B Bxc7 > +- (#6) Depth: 11 00:00:00 15kN, tb=45 >1.fxg8B Bxc7 > +- (#6) Depth: 12 00:00:00 31kN, tb=107 >1.fxg8B Bxc7 > +- (#6) Depth: 13 00:00:00 90kN, tb=248 >1.fxg8B Bxc7 > +- (#6) Depth: 14 00:00:01 132kN, tb=509 >1.fxg8B Bxc7 > +- (#6) Depth: 15 00:00:01 284kN, tb=1066 >1.fxg8B Bxc7 > +- (#6) Depth: 16 00:00:05 2381kN, tb=1916 >1.fxg8B Bxc7 > +- (#6) Depth: 17 00:00:06 3189kN, tb=3178 >1.fxg8B Bxc7 > +- (#6) Depth: 18 00:00:09 4443kN, tb=5424 > >(Bird, Barrie 03.07.2003) > >Without tablebases > >1.Nd4 Rc8 2.cxb8Q+ Kxb8 3.Ne6 Rc6+ 4.Kb5 Rxe6 5.f8Q+ Kc7 > ± (1.20) Depth: 4 00:00:00 2kN >1.Nc5 Rc8 2.cxb8Q+ Kxb8 3.Kb5 Kc7 > +- (3.50) Depth: 4 00:00:00 3kN >1.Nc5 Rc8 2.cxb8Q+ Kxb8 3.Kb5 Kc7 4.Ne6+ Kd6 > +- (3.50) Depth: 5 00:00:00 3kN >1.Nc5 Rc8 2.cxb8Q+ Kxb8 3.Kb5 Kc7 4.Ne6+ Kd6 > +- (3.50) Depth: 6 00:00:00 3kN >1.Nc5 Rc8 2.cxb8Q+ Kxb8 3.Kb6 Rd8 4.Nd7+ Kc8 5.Kc6 Rxd7 6.f8Q+ Rd8 > +- (1.52) Depth: 7 00:00:00 6kN >1.Nc5 Rc8 2.cxb8Q+ Kxb8 3.Kb6 Rd8 4.Kc6 > +- (2.42) Depth: 8 00:00:00 10kN >1.Nc5 Rh8 2.cxb8Q+ Kxb8 3.Ne6 Kc8 4.Ka7 Kd7 5.Ng5 Ke7 > = (0.08) Depth: 8 00:00:00 31kN >1.Nc5 Rh8 2.cxb8Q+ Kxb8 3.Ne6 Kc8 4.Ka7 Kd7 5.Ng5 Ke7 6.Kb7 > = (0.08) Depth: 9 00:00:00 36kN >1.Nc5 Rh8 2.cxb8Q+ Kxb8 3.Ne6 Kc8 4.Ka7 Rh7 5.Ng5 Rxf7+ 6.Nxf7 Kd7 > = (0.00) Depth: 10 00:00:00 47kN >1.Nc5 Rh8 2.cxb8Q+ Kxb8 3.Ne6 Kc8 4.Ka7 Rh7 5.Ng5 Rxf7+ 6.Nxf7 Kd7 > = (0.00) Depth: 11 00:00:00 75kN >1.Nc5 Rh8 2.cxb8Q+ Kxb8 3.Ne6 Kc8 4.Ka7 Rh7 5.Ng5 Rxf7+ 6.Nxf7 Kd7 > = (0.00) Depth: 12 00:00:00 116kN >1.Nc5 Rh8 2.cxb8Q+ Kxb8 3.Ne6 Kc8 4.Ka7 Rh7 5.Ng5 Rxf7+ 6.Nxf7 Kd7 > = (0.00) Depth: 13 00:00:00 172kN >1.Nc5 Rh8 2.cxb8Q+ Kxb8 3.Ne6 Kc8 4.Ka7 Rh7 5.Ng5 Rxf7+ 6.Nxf7 Kd7 > = (0.00) Depth: 14 00:00:00 274kN >1.Nc5 Rh8 2.cxb8Q+ Kxb8 3.Ne6 Kc8 4.Ka7 Rh7 5.Ng5 Rxf7+ 6.Nxf7 Kd7 > = (0.00) Depth: 15 00:00:00 441kN >1.Nc5 Rh8 2.cxb8Q+ Kxb8 3.Ne6 Kc8 4.Ka7 Rh7 5.Ng5 Rxf7+ 6.Nxf7 Kd7 > = (0.00) Depth: 16 00:00:00 727kN >1.Nc5 Rh8 2.cxb8Q+ Kxb8 3.Ne6 Kc8 4.Ka7 Rh7 5.Ng5 Rxf7+ 6.Nxf7 Kd7 > = (0.00) Depth: 17 00:00:01 1205kN >1.Nc5 Rh8 2.cxb8Q+ Kxb8 3.Ne6 Kc8 4.Ka7 Rh7 5.Ng5 Rxf7+ 6.Nxf7 Kd7 > = (0.00) Depth: 18 00:00:02 2046kN >1.Nc5 Rh8 2.cxb8Q+ Kxb8 3.Ne6 Kc8 4.Ka7 Rh7 5.Ng5 Rxf7+ 6.Nxf7 Kd7 > = (0.00) Depth: 19 00:00:04 3625kN >1.Nc5 Rh8 2.cxb8Q+ Kxb8 3.Ne6 Kc8 4.Ka7 Rh7 5.Ng5 Rxf7+ 6.Nxf7 Kd7 7.Kb6 Ke6 >8.Kc7 Kxf7 > = (0.00) Depth: 20 00:00:07 6665kN > >(Bird, Barrie 03.07.2003) > >Sarah. Movei does not need tablebases for that problem new setboard kb4r1/2P2P2/K7/8/8/1N6/8/8 w - - 0 1 analyze 1 397 0 78 f7g8b b8c7 g8d5 a8b8 2 397 0 83 f7g8b b8c7 g8d5 a8b8 2 397 0 347 f7g8b b8c7 g8d5 a8b8 3 397 0 363 f7g8b b8c7 g8d5 a8b8 3 397 0 1210 f7g8b b8c7 g8d5 a8b8 4 392 0 1268 f7g8b b8c7 g8e6 a8b8 4 392 1 2835 f7g8b b8c7 g8e6 a8b8 5 400 1 3088 f7g8b b8c7 b3d4 a8b8 g8d5 5 400 3 6897 f7g8b b8c7 b3d4 a8b8 g8d5 6 410 3 7601 f7g8b b8c7 g8d5 a8b8 a6b5 b8c8 b5c6 6 410 10 18508 f7g8b b8c7 g8d5 a8b8 a6b5 b8c8 b5c6 7 404 12 21573 f7g8b b8c7 g8e6 c7e5 a6b6 a8b8 b6c6 7 404 20 46684 f7g8b b8c7 g8e6 c7e5 a6b6 a8b8 b6c6 8 412 23 54952 f7g8b b8c7 a6b5 a8b7 b3c5 b7c8 b5c6 c7e5 g8d5 8 412 39 101816 f7g8b b8c7 a6b5 a8b7 b3c5 b7c8 b5c6 c7e5 g8d5 9 408 46 118653 f7g8b b8c7 a6b5 a8b7 b3c5 b7a7 g8d5 c7b6 c5e4 b6d4 9 408 89 248883 f7g8b b8c7 a6b5 a8b7 b3c5 b7a7 g8d5 c7b6 c5e4 b6d4 10 408 109 305014 f7g8b b8c7 a6b5 a8b8 b5c6 b8c8 b3c5 c7e5 g8e6 c8d8 e6d5 10 408 194 560301 f7g8b b8c7 a6b5 a8b8 b5c6 b8c8 b3c5 c7e5 g8e6 c8d8 e6d5 11 406 236 682032 f7g8b b8c7 a6b5 a8b8 b5c6 c7e5 g8e6 e5g7 b3c5 g7d4 11 406 430 1253892 f7g8b b8c7 a6b5 a8b8 b5c6 c7e5 g8e6 e5g7 b3c5 g7d4 12 406 637 1832682 f7g8b b8c7 a6b5 a8b7 b3c5 b7c8 b5c6 c7e5 c5d3 e5a1 c6d6 a1d4 g8d5 12 406 1017 2926639 f7g8b b8c7 a6b5 a8b7 b3c5 b7c8 b5c6 c7e5 c5d3 e5a1 c6d6 a1d 4 g8d5 13 9985 1830 5248017 f7g8b b8c7 b3d4 c7b6 a6b6 a8b8 g8e6 b8a8 e6c8 a8b8 c8a6 b8 a8 a6b7 a8b8 13 9985 1955 5621790 f7g8b b8c7 b3d4 c7b6 a6b6 a8b8 g8e6 b8a8 e6c8 a8b8 c8a6 b8 a8 a6b7 a8b8
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