Author: Pete Galati
Date: 14:44:24 02/25/01
Go up one level in this thread
On February 25, 2001 at 13:46:32, Sune Larsson wrote: > > [D]8/5p1k/r5pp/P7/3R3P/6P1/5PK1/8 w - - 0 1 > > > 1927 Alekhine won the 34th game in the battle vs Capablanca to become > World Champion. He did it by playing 1.Ra4! in the above position. > Black's rook has to block the pawn and white has at his disposal an > endless reserve of rook moves along the a-file. Again, the future for > black spells "Zugzwang". The general rule is that a passed pawn should > be supported by a rook from the rear. That's why ideas of 1.Rd5? are > wrong. This is a knowledge that have to be implemented in many chessprograms. > I have seen numerous examples of trying to support such a pawn sideways. > > What would your favourite program play? > > Sune Comet's reaction was Rd5 the whole time. I probably would have played Rd5 too because it seems like Ra4 kind of cuts down the amount of things the Rook covers. Pete Comet-B.28 Sun Feb 25 16:09:25 2001 depth score sec nodes pv 1. +2.35 0 56 d4d5 2. +2.20 0 140 d4d5 h7g7 3. +2.41 0 534 d4d5 4. +2.30 0 959 d4d5 h7g7 g2f3 f7f5 4. +2.30 0 2026 d4d5 h7g7 g2f3 f7f5 5. +2.44 0 3750 d4d5 h7g7 g2f3 5. +2.44 0 4261 d4d5 h7g7 g2f3 6. +2.40 0 11579 d4d5 h7g7 g2f3 g7f6 f3e4 f6e6 6. +2.40 0 13254 d4d5 h7g7 g2f3 g7f6 f3e4 f6e6 7. +2.47 0 27683 d4d5 h7g7 g2f3 a6c6 f3e3 f7f5 e3d4 7. +2.47 0 31702 d4d5 h7g7 g2f3 a6c6 f3e3 f7f5 e3d4 8. +2.41 0 92054 d4d5 h7g7 g2f3 a6c6 d5b5 c6e6 b5b6 8. +2.41 0 106280 d4d5 h7g7 g2f3 a6c6 d5b5 c6e6 b5b6 9. +2.43 1 319181 d4d5 h7g7 g2f3 g7f6 f3e4 f6e6 g3g4 9. +2.43 1 348345 d4d5 h7g7 g2f3 g7f6 f3e4 f6e6 g3g4 10. +2.39 6 1179700 d4d5 h7g7 d5b5 g7f8 g2f3 f8e7 f3e4 10. +2.39 7 1309520 d4d5 h7g7 d5b5 g7f8 g2f3 f8e7 f3e4 11. +2.48 14 2780822 d4d5 h7g7 g2f3 g7f6 f3e4 f6e6 g3g4 11. +2.48 15 2995347 d4d5 h7g7 g2f3 g7f6 f3e4 f6e6 g3g4 12. +2.43 39 8062125 d4d5 h7g7 g2f3 g7f6 f3e4 f6e6 d5b5 12. +2.43 43 9180282 d4d5 h7g7 g2f3 g7f6 f3e4 f6e6 d5b5 13. +2.47 134 31093729 d4d5 h7g7 g2f3 g7f6 d5b5 f6e6 g3g4 13. +2.47 144 34087798 d4d5 h7g7 g2f3 g7f6 d5b5 f6e6 g3g4 14. +2.46 484 128180866 d4d5 h7g7 g2f3 g7f6 f3e4 f6e6 g3g4 14. +2.46 549 147206890 d4d5 h7g7 g2f3 g7f6 f3e4 f6e6 g3g4 15. +2.48 959 251982111 d4d5 h7g7 g2f3 g7f6 f3e4 f6e6 d5e5 15. +2.48 1131 316602594 d4d5 h7g7 g2f3 g7f6 f3e4 f6e6 d5e5 16. +2.48 1801 498001202 d4d5 h7g7 g2f3 g7f6 f3e4 f6e6 d5e5 ==> My Move: d4d5 in 30:01
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