Author: John Merlino
Date: 12:21:54 05/24/02
Go up one level in this thread
On May 24, 2002 at 09:05:48, José Antônio Fabiano Mendes wrote: > Rook ending by GM Richard Reti === test position > [D]5r2/8/5p1p/5Kpk/3R4/3p4/P5P1/8 w > Source ==> http://www.chessbaseusa.com/NY1924/nyzoo.htm > 1. g3 Rg8 2. Rb4!! g4! 3. Rb1 Rg5+ 4. Kxf6 Rg6+ 5. Kf7 d2 6. a4! d1Q! > 7. Rxd1 Rf6+ 8. Kg7 Rf5! 9. Rb1 Kg5 10. Rb6!! Re5 11. Rb5 Chessmaster 9000 (Beta) finds g3 in three seconds (on a PIII-600), and shows the first eight moves of the line in 13 seconds (when the PV gets longer on the next depth, after 33 seconds, CM differs on the ninth move, choosing 9.Rh1+): Time Depth Score Positions Moves 0:00 2/3 -0.14 277 1.Rxd3 g4 2.a4 Ra8 0:00 3/4 -0.13 1272 1.Rxd3 g4 2.a4 Ra8 3.Ra3 0:00 4/5 0.03 4185 1.Rxd3 g4 2.Rd1 Kh4 3.Rh1+ Kg3 4.Rxh6 Kxg2 5.Kxg4 0:00 5/6 0.27 14630 1.Rxd3 g4 2.a4 Ra8 3.Ra3 Ra5+ 4.Kxf6 0:00 6/7 0.30 32885 1.Rxd3 g4 2.a4 Ra8 3.Ra3 Ra6 4.a5 0:01 7/8 0.22 83742 1.Rxd3 g4 2.a4 Ra8 3.Ra3 Ra5+ 4.Kxf6 g3 5.Kg7 0:02 8/9 0.21 215348 1.Rxd3 g4 2.Rd1 Kh4 3.Kf4 Kh5 4.Rd5+ Kg6 5.Kxg4 Ra8 0:03 8/9 0.24 375880 1.g3 Rg8 2.a4 Rg7 3.Rxd3 Ra7 4.Rd4 g4 5.Kxf6 0:05 9/10 0.49 601830 1.g3 Rg8 2.Rb4 g4 3.Rb1 Rg5+ 4.Kxf6 Rg6+ 5.Kf7 d2 6.a4 d1=Q 7.Rxd1 0:13 10/11 0.41 1468751 1.g3 Rg8 2.Rb4 g4 3.Rb1 Rg5+ 4.Kxf6 Rg6+ 5.Kf7 d2 6.a4 d1=Q 7.Rxd1 Rf6+ 8.Kg7 0:33 11/12 0.62 3742714 1.g3 Rg8 2.Re4 g4 3.Re1 Rg5+ 4.Kxf6 Rg6+ 5.Kf7 d2 6.Rb1 d1=Q 7.Rxd1 Rf6+ 8.Kg7 Rf5 9.Rh1+ Kg5 10.Rxh6 1:19 12/13 0.84 8887996 1.g3 Rg8 2.Rb4 g4 3.Rb1 Rg5+ 4.Kxf6 Rg6+ 5.Kf7 d2 6.a4 d1=Q 7.Rxd1 Rf6+ 8.Kg7 Rf5 9.Rh1+ Kg5 10.Rxh6 Ra5 3:26 13/14 0.70 23788948 1.g3 Rg8 2.Rb4 g4 3.Rb1 Rg5+ 4.Kxf6 Rg6+ 5.Kf7 d2 6.a4 d1=Q 7.Rxd1 Rf6+ 8.Kg7 Rf5 9.Rh1+ Kg5 10.Rxh6 Ra5 11.Rg6+ Kf5 jm
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