Author: Paulo Soares
Date: 15:23:04 02/16/00
Go up one level in this thread
On February 16, 2000 at 16:21:25, Côme wrote: >On February 16, 2000 at 14:24:20, Vincent Lejeune wrote: > >>On February 15, 2000 at 13:08:19, Côme wrote: >> >>> >>> >>>Hello, >>>In this position: >>>[D]4q1kr/p6p/1prQPppB/4n3/4P3/2P5/PP2B2P/R5K1 w - - 0 1 >>> >>>After 10 min on my K6 II 350 Junior 6 don't find the winning move Qxe5!! . >>>I guess that no program is able to find this move but Can you test others >>>programs ? >>>Best Regards >>>Alexandre Côme >> >>I don't see how white can progress after this sequence of moves : >> >>[Event "?"] >>[Site "?"] >>[Date "????.??.??"] >>[Round "?"] >>[White "?"] >>[Black "?"] >>[Result "*"] >>[SetUp "1"] >>[FEN "4q1kr/p6p/1prQPppB/4n3/4P3/2P5/PP2B2P/R5K1 w - - 0 1"] >>[PlyCount "12"] >> >>1. Qxe5 fxe5 2. Rf1 Rc7 3. Bd1 b5 4. Bb3 Rc4 5. Kh1 >>Qe7 6. Kg2 Qe8 * >> >>Here, if white wait while playing his rook between f1 and f3 or his king between >>g2 and h1 then black can make no progress. >>In my sens 1. Qxe5 is not winning it's simply drawing from in inferior position. >>This draw is very deep (about 20 plies), a computer could find it after many >>hours of "thinking". > >Hello Vincent, >1. Qxe5!! is a winning move !! >In your variation white play 5. Bxc4! followed by b4 and will win !! >Do you see now ? >Best Regards >Alexandre Côme Yes! I tought in variant below, but why not 5. Bxc4, it's a fast winning move. 1. Qxe5 fxe5 2. Rf1 Rc7 3. Bd1 b5 4. Bb3 Rc4 5. a4! a6 6. Rf3 Qe7 7. Ba2 Qc5+ 8. Kg2 Qe7 9. b4 Qe8 10. axb5 axb5 11. Bxc4 bxc4 12. b5 Qe7 13. b6 {+-} Paulo Soares, from Brazil
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