Author: Matthew White
Date: 15:08:19 10/20/03
Go up one level in this thread
On October 20, 2003 at 16:16:47, Drexel,Michael wrote: >On October 20, 2003 at 15:39:44, Darren Rushton wrote: > >>[D]2r1r3/pp3nkp/1q1p2p1/3P4/3NNP2/6Pb/PP1Q4/4RR1K w - - 0 25 >> >>The game turned out to be Botvinnik-Suttles, Belgrade 1969. The tempting 25.f5? >>is a mistake, in view of 25...Re4! In the game there followed 25.Rf3? Rc4 >>26.Rd3, and now instead of 26...Qb4?! 27.b3 Qd2 28.Rd2 Qc7 29.Rde2 Black could >>have equalized completely with 26...Bf5! 27.Nf5+ gf5 28.Rb3 Qc7. But White >>missed a winning line (pointed out by Tringov): >> >>25.b3!! Bf1 26.Qb2 Kf8 27.Ne6+ Re6 28.de6...Botwinnik himself [wrote]...'my old >>"illness" - weak combinational vision - was to blame'. >> >>How many programs find b3!! > >Does b3 really deserve !! ? >Can you show me the forced win? >I think it is at least not obvious. > >[Event "?"] >[Site "?"] >[Date "????.??.??"] >[Round "?"] >[White "New game"] >[Black "?"] >[Result "*"] >[SetUp "1"] >[FEN "2r1r3/pp3nkp/1q1p2p1/3P4/3NNP2/6Pb/PP1Q4/4RR1K w - - 0 1"] >[PlyCount "28"] > >1. b3 Rxe4 2. Rxe4 Bxf1 3. Ne6+ (3. Qb2 Kg8 4. Ne6 Ne5) 3... Kg8 4. Qb2 Ne5 5. >fxe5 (5. Rxe5 dxe5 6. Qxe5 Kf7) 5... Bd3 6. Re2 Bxe2 (6... dxe5) 7. exd6 Rc1+ >8. Qxc1 Bf3+ 9. Kh2 Qf2+ 10. Kh3 Bg4+ 11. Kh4 Bxe6 12. dxe6 Qh2+ 13. Kg5 Qxg3+ >14. Kf6 Qxd6 * > >Michael Giving up the rook by 5. Rxe5 seems to force an immediate draw... Otherwise, many of the programs that I've tested slightly favor black...
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