Author: Kurt Utzinger
Date: 11:04:23 08/15/04
Go up one level in this thread
On August 15, 2004 at 13:38:53, John Merlino wrote: >On August 15, 2004 at 12:37:34, Kurt Utzinger wrote: > >>The games are ready for download at >>[http://www.utzingerk.com/m_hydra_shredder.pgn] >> >>Die Partien stehen zum Download bereit bei >>[http://www.utzingerk.com/m_hydra_shredder.pgn] >> >>[Event "Match rapid 90 min"] >>[Site "Abu Dhabi"] >>[Date "2004.08.15"] >>[Round "2"] >>[White "Shredder"] >>[Black "Hydra"] >>[Result "0-1"] >>[ECO "B97"] >>[PlyCount "102"] >> >>1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Nb3 >>Be7 9. Qf3 Nbd7 10. O-O-O Qc7 {Black last book move} 11. Kb1 b5 12. Bd3 b4 13. >>Ne2 Bb7 14. Qh3 Nxe4 15. Bxe7 Kxe7 16. Qh4+ {White last book move} 16... Ndf6 >>17. Rhe1 h6 18. f5 e5 19. Nf4 Ng5 20. Nh5 Nxh5 21. Qxh5 Bxg2 22. Nd2 a5 23. h4 >>Nh7 24. Qe2 Bc6 25. Rg1 Rhg8 26. Ne4 Bxe4 27. Bxe4 Rac8 28. Bd3 Qb6 29. Bb5 Nf6 >>30. Ba4 e4 31. Rde1 Qc5 32. Qa6 d5 33. Rd1 d4 34. Bb3 Rc6 35. Qe2 Kf8 36. Ba4 >>Rd6 37. Qf1 Rd8 38. Qa6 Qc7 39. Qb5 Rh8 40. Qf1 Rh7 41. Bb3 h5 42. Ba4 e3 43. >>Qb5 Rh6 44. Rg2 Rd5 45. Qf1 Ng4 46. Bb3 Rd8 47. Ba4 Rf6 48. Re1 g6 49. Rc1 Rxf5 >>50. Qe2 Qe7 51. Bb5 Qxh4 0-1 > >Hello Kurt, > >In your commentary on Game 1, you say that 30.Rd3 is a fine move leading to >Rdf3-Rf6. However, in this position, CM_SKR prefers 30.Rf6 right away (this is >on a P4-2.4): > >[D]5rk1/4qpp1/p1r5/1p1pP1PQ/3B3P/6K1/8/3R1R2 w - - 0 30 > >Time Depth Score Positions Moves >0:00 1/3 1.22 1082 30.Qf3 Rc2 31.Rf2 >0:00 1/3 1.34 1354 30.Rd2 a5 31.Qf3 >0:00 1/4 1.24 4296 30.Rd2 Rc4 31.Qf3 Qe6 >0:00 1/4 1.33 7235 30.Qf3 Qe6 31.Rc1 Rc4 32.Rxc4 dxc4 >0:00 1/5 1.31 12160 30.Qf3 Qe6 31.Rc1 Rxc1 32.Rxc1 a5 >0:00 1/6 1.33 47659 30.Qf3 Qe6 31.Rc1 Rc4 32.Rxc4 dxc4 >0:00 1/7 1.26 136590 30.Qf3 Qe6 31.Rc1 Rc4 32.Rxc4 bxc4 > 33.Bc3 >0:01 1/7 1.33 243816 30.Rf6 Rfc8 31.Rxc6 Rxc6 32.Qf3 > Qe6 33.Ba1 Rc2 34.Rxd5 >0:04 1/8 1.30 886687 30.Rf6 Qe8 31.Rxc6 Qxc6 32.Qf3 > a5 33.Ba1 Qc2 34.Qxd5 >0:14 2/9 1.41 3176242 30.Rf6 Qa3+ 31.Qf3 Qxf3+ 32.Rxf3 > a5 33.Ba1 b4 34.Rxd5 a4 35.Rd7 >0:29 2/10 1.19 6433193 30.Rf6 Qa3+ 31.Qf3 Qxf3+ 32.Rxf3 > b4 33.Bb2 Rc2 34.Rb3 a5 35.Ra1 Rc5 >1:32 2/11 1.24 20299004 30.Rf6 Qa3+ 31.Qf3 Qxf3+ 32.Rxf3 > b4 33.Ba1 Rb8 34.Rxd5 b3 35.Rf1 > Rc2 36.Rd7 > >SKR scores 30.Rd3 at just a few centipawns less than 30.Rf6. Do you think 30.Rf6 >is too soon? > >jm Hello John No, I don't think that 30.Rf6 is too soon. The only and for me important difference is that 30.Rd3 starts a deadly attack with no defence for Black whereas the direct 30.Rf6 allows Black the disturbing but also losing queen check Qa3. Kurt
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