Author: Drexel,Michael
Date: 13:16:47 10/20/03
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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
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