Author: Ferdinand S. Mosca
Date: 04:42:28 12/22/00
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On December 21, 2000 at 18:03:08, Howard Exner wrote: >On December 21, 2000 at 12:45:17, Bertil Eklund wrote: > >>On December 21, 2000 at 07:11:47, Ferdinand S. Mosca wrote: >> >>>On December 21, 2000 at 02:03:12, Jim Monaghan wrote: >>> >>>>[D]r1b3k1/pp1n3p/2pbpq1r/3p4/2PPp1p1/PP2P1P1/1BQN1P1P/3RRBK1 b - - 0 17 >>>> >>>>Maroczy-Tartakower, 1922 bm 17...Rxh2!! >>>>A human GM would consider this first and only if it didn't >>>>work would alternatives be examined. The engines don't even >>>>consider it briefly in their candidates ... Interesting. Not that >>>>difficult to "see", tough to verify though ... >>>> >>>>Crafty 17.14 >>>>12-> 8:12 -0.47 1. ... Qf5 2. Bg2 Rf6 3. Re2 e5 4. >>>> Nf1 exd4 5. exd4 b6 6. cxd5 cxd5 7. >>>> Ne3 Qh5 <HT> >>>> >>>>LG2000v2.9a >>>> >>>>12 58 34388 51749022 f6f5 f1g2 d6e7 e1e2 h6f6 g1h1 f6f7 a3a4 b7b6 c4d5 c6d5 >>>> >>>> >>>>This position has probably been posted before. Sorry in advance if it was:-) >>>>Anybody's program see this? >>>> >>>>Jim >>> >>>I think the move 17...Rxh2 is still premature. The bishop on c8, the rook in a8 >>>and the knight in d7 have to be improved first. >>> >>>one variation is: >>>1...Rxh2?! 2.Kxh2 Qxf2+ 3.Kh1 Qxg3 4.Re2 and black cannot sustain his attack, >>>its undeveloped pieces can not easily support a pawn storm on white's king >>>position. Besides by eliminating white's pawns in f, g and h, black's king >>>position is also in trouble because of white's rooks that is not difficult to >>>develop. >>> >>>Dinan >> >>Hi! >> >>I believe it's winning (with the help of Gambit) instead 3.-Nf6 4.Rc1-Qxg3 >>5.Nb1-Qh4+ 6.Kg1-g3 7.Qg2-Ng4 8.Qh3-Qg5 9.Rc2-Bd7! 10.Rg2-Rf8 11.Rxg3-Bxg3 >>12.Qxg3-Rf3 13.Qg2-Qh4 14.Re2-Rg3 15.Qxg3-Qxg3+ and game over. >> >>No I don't think any program finds 17.-Rxh2, at least not in reasonable time. > >Here is the game score. I believe also that black will win this, even if better >defensive moves are found. Tartakower in the game has many threats > >1. positioning the Knight on h5 via f6 >2. playing e5 to activate the bishop >3. Bringing the Rook into play >4. Having the g and h pawns advance if necessary > >In the meantime, white's pieces are difficult to coordinate. They >are cramped and are getting in the way of each other. > >All speculative stuff, as detailed analysis would be lengthy. >Computers will assist in finding better defensive moves, but they may also come >up with better attacking moves for Black. > >[Event "Teplitz-Schoenau"] >[Site "Teplitz-Schoenau"] >[Date "1922.??.??"] >[Round "?"] >[White "Maroczy, G."] >[Black "Tartakower, S."] >[Result "0-1"] >[WhiteElo "?"] >[BlackElo "?"] >[ECO "A40"] > >1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. a3 Be7 5. e3 O-O 6. Bd3 d5 7. Nf3 c6 8. >O-O Ne4 9. Qc2 Bd6 10. b3 Nd7 11. Bb2 Rf6 12. Rfe1 Rh6 13. g3 Qf6 14. Bf1 >g5 15. Rad1 g4 16. Nxe4 fxe4 17. Nd2 Rxh2 18. Kxh2 Qxf2+ 19. Kh1 Nf6 20. >Re2 Qxg3 21. Nb1 Nh5 22. Qd2 Bd7 23. Rf2 Qh4+ 24. Kg1 Bg3 25. Bc3 Bxf2+ >26. Qxf2 g3 27. Qg2 Rf8 28. Be1 Rxf1+ 29. Kxf1 e5 30. Kg1 Bg4 31. Bxg3 >Nxg3 32. Re1 Nf5 33. Qf2 Qg5 34. dxe5 Bf3+ 35. Kf1 Ng3+ 0-1 You are right, black here has some plans and threats, but because of its development, white also has the time to regroup. Some alternative move to the actual game: 21. Nb1?! [21. Qc3!] 22. Qd2? [22. Bc1!] 25. Bc3?? [25. Rg2] Dinan
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