Author: Ernst Walet
Date: 10:30:06 04/15/01
In the advertisement for Tiger 14 on the Chessbase site a nice position of a Karpov game is used as example. I tried five programs on the position. Fritz6e and Rebel Century 3 could not find the move within half an hour. Fastes was Gambit Tiger 2, with Chessmaster 8000 (SS=12) close behind. Computer used is a PIII-500E. Strangely enough Tiger 14.0 took much more time to find f5 than stated on the web page. I expected about 42 ((800/500)* 26) seconds. http://www.chessbase.com/magazine/cbm81/tiger1.htm Are there other programs which can find f5 within reasonable time? [D]r1b1k2r/1q1nbp1p/p3p1p1/1p1pP3/3B1P2/2NP1NQ1/PP4PP/2R2RK1 w kq - Chess Tiger 14.0, 96MB hash 00:00:00.8 0,56 6 45082 Ng5 Qb8 Qh4 h6 Rfe1 Bb7 00:00:01.3 0,36 7 220828 Ng5 Nb8 Ne2 h6 Qh4 Nc6 Rfd1 Nxd4 Nxd4 00:00:02.8 0,44 7 336656 Rf2 b4 Nd1 Qb5 Ng5 Bb7 Rc7 00:00:03.1 0,52 7 469983 Ne2 b4 Ng5 Qb5 00:00:04.4 0,54 8 593209 Ne2 b4 Ng5 Qb5 Rc7 Bd8 Rc2 Bxg5 fxg5 00:00:09.6 0,46 9 1096637 Ne2 O-O Ng5 Qb8 Qh4 Bxg5 Qxg5 Bb7 Qe7 Qd8 Qxd8 Rfxd8 00:00:18.9 0,46 10 2164716 Ne2 O-O Ng5 Qb8 Qh4 Bxg5 Qxg5 Bb7 Qe7 Qd8 Qxd8 Rfxd8 00:00:47.0 0,52 11 5625510 Ne2 b4 f5 Qb5 f6 Bd8 Nf4 Bb7 Ng5 Bb6 Qf2 00:01:46.1 0,54 12 12989789 Ne2 O-O Ng5 b4 Qh4 h5 Rfd1 Qb5 Rc7 Bd8 Rc2 Bb7 00:03:01.1 0,60 12 23124132 f5 Nc5 f6 Bf8 Rfd1 b4 Ne2 Qb5 Nf4 Bb7 Ng5 Bc6 00:04:17.9 0,50 13 33324542 f5 Nc5 fxg6 fxg6 Ne1 Na4 Nxa4 bxa4 Qf4 Rf8 Qh6 Rxf1+ Kxf1 Bb4 Nf3 Qf7 Rc6 Gambit Tiger 2.0, 96MB hash 00:00:00.8 0,56 6 45082 Ng5 Qb8 Qh4 h6 Rfe1 Bb7 00:00:01.3 0,36 7 220828 Ng5 Nb8 Ne2 h6 Qh4 Nc6 Rfd1 Nxd4 Nxd4 00:00:02.8 0,44 7 336656 Rf2 b4 Nd1 Qb5 Ng5 Bb7 Rc7 00:00:03.1 0,52 7 469983 Ne2 b4 Ng5 Qb5 00:00:04.4 0,54 8 593209 Ne2 b4 Ng5 Qb5 Rc7 Bd8 Rc2 Bxg5 fxg5 00:00:09.6 0,46 9 1096637 Ne2 O-O Ng5 Qb8 Qh4 Bxg5 Qxg5 Bb7 Qe7 Qd8 Qxd8 Rfxd8 00:00:18.9 0,46 10 2164716 Ne2 O-O Ng5 Qb8 Qh4 Bxg5 Qxg5 Bb7 Qe7 Qd8 Qxd8 Rfxd8 00:00:47.0 0,52 11 5625510 Ne2 b4 f5 Qb5 f6 Bd8 Nf4 Bb7 Ng5 Bb6 Qf2 00:01:46.1 0,54 12 12989789 Ne2 O-O Ng5 b4 Qh4 h5 Rfd1 Qb5 Rc7 Bd8 Rc2 Bb7 00:03:01.1 0,60 12 23124132 f5 Nc5 f6 Bf8 Rfd1 b4 Ne2 Qb5 Nf4 Bb7 Ng5 Bc6 00:04:17.9 0,50 13 33324542 f5 Nc5 fxg6 fxg6 Ne1 Na4 Nxa4 bxa4 Qf4 Rf8 Qh6 Rxf1+ Kxf1 Bb4 Nf3 Qf7 Rc6 Chessmaster 8000, 128MB hash, Sel. Search=12 Time Depth Score Positions Moves 0:05 1/7 0.81 203046 1. Ne2 h5 2. Be3 a5 3. Qf2 h4 4. Rfd1 0:06 1/7 0.85 242069 1. Qf2 O-O 2. Qc2 f5 3. exf6 Nxf6 4. Ne2 Bd7 0:08 1/8 0.84 344242 1. Qf2 b4 2. Na4 Qb5 3. Nc5 Qa5 4. Nxd7 Bxd7 0:10 1/8 0.89 426411 1. Nb1 O-O 2. Nbd2 Bb4 3. Nb3 a5 4. a3 Be7 0:13 1/8 1.04 612944 1. Ne2 h5 2. Qe1 b4 3. Qd2 Qb5 4. Rc7 Bb7 5. Bf2 0:19 1/9 0.89 922956 1. Ne2 h5 2. Qe1 b4 3. Qd2 Qb5 4. Bf2 Qa5 5. Qc2 Qxa2 0:29 1/9 0.94 1406272 1. f5 exf5 2. e6 Nf6 3. Qh4 Nh5 4. exf7+ Kxf7 5. Ng5+ Kg8 6. Bxh8 Kxh8 1:12 1/10 1.20 3718409 1. f5 exf5 2. e6 Nf6 3. Qh4 Nh5 4. exf7+ Kxf7 5. Ng5+ Kg8 6. Bxh8 Kxh8 7. Qd4+ Bf6 8. Qc5 2:55 1/11 1.20 9615168 1. f5 O-O 2. f6 Bb4 3. Be3 Re8 4. Qh4 a5 5. a3 Bf8 6. Ne2 6:08 1/12 1.27 20763729 1. f5 gxf5 2. Qg7 Rf8 3. Qxh7 Nc5 4. Rfd1 a5 5. Ne2 Qb6 6. Be3 Bb7 7. Qh6 Ernst.
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