Author: Amir Ban
Date: 03:11:11 10/18/00
Go up one level in this thread
On October 17, 2000 at 15:13:47, Christophe Theron wrote: >On October 16, 2000 at 11:55:36, Uri Blass wrote: > >>On October 16, 2000 at 11:12:48, Robert Hyatt wrote: >> >>>On October 16, 2000 at 10:03:52, Amir Ban wrote: >>> >>>>On October 15, 2000 at 04:04:05, Bruce Moreland wrote: >>>> >>>>>On October 14, 2000 at 16:15:17, Thorsten Czub wrote: >>>>> >>>>>>[Event "Open Dutch CC 2000"] >>>>>>[Site "Leiden NED"] >>>>>>[Date "2000.10.14"] >>>>>>[Round "02"] >>>>>>[White "Tiger"] >>>>>>[Black "Nimzo 8"] >>>>>>[Result "1-0"] >>>>>>[ECO "D20"] >>>>>> >>>>>>1.d4 d5 2.c4 dxc4 3.e4 Nf6 4.e5 Nd5 5.Bxc4 Nb6 6.Bb3 Nc6 7.Ne2 Bf5 >>>>>>8.Nbc3 e6 9.a3 Qd7 10.O-O Be7 11.Be3 O-O-O 12.Rc1 f6 13.exf6 gxf6 >>>>>>14.Na4 Nd5 15.Bc4 Na5 16.Ba2 Bg4 17.Nac3 Nxc3 18.Rxc3 Kb8 19.f3 Bh5 >>>>>>20.b4 Nc6 21.b5 Na5 22.Qa4 b6 23.Nf4 Bf7 24.Rfc1 Bd6 25.Nd3 Rhg8 >>>>>>26.Nc5 Bxc5 27.dxc5 e5 28.Bxf7 Qxf7 29.cxb6 cxb6 30.Qc2 Qg6 31.Qa2 f5 >>>>>>32.Kh1 f4 33.Bg1 h5 34.Qe2 Qf6 35.a4 h4 36.h3 Qg5 37.R1c2 Rd7 >>>>>>38.Qe1 Rdg7 39.Qe4 Rd7 40.Qe2 Rgd8 41.Qe1 Qe7 42.Qe4 Qg5 >>>>>> >>>> >>>>[snip] >>>> >>>>>Assuming that the sacrifice is accepted, 45. a5 seems easy to find, but I wonder >>>>>what would have happened had black tried to keep lines closed with 45. ... b5, >>>>>which is also possible for a program to find. >>>>> >>>> >>>>If 45... b5 46. Qe2 Rd5 47. Bb6! is not clearly winning, but makes black suffer. >>>> >>>>I'm not impressed with Thorsten's line: 45... b5 46. Qb4 Rd5 47. a6 Qf6 48. Qc3 >>>>Qd6 I think black is safe and clearly better. White is completely passive >>>>guarding c6, his back rank, and needs to stop the passed b-pawn somehow after a >>>>black Kc8. >>>> >>>>It seems to me that the sacrifice is interesting, but doesn't lead to any white >>>>advantage. The position looks dead even until black's terrible 52... a6. What's >>>>wrong with 52... Qg6 ? Other options exist, e.g. to play 48... Rd1 (instead of >>>>48... Qf6), which more or less kills any notion that white will win this game. >>>> >>>>Amir >>> >>> >>>This is not fair. >>> >>>You can't blame the loss on a bad/weak move by black. Not after white >>>sacrificed material. The loss was caused by the Rc6 sacrifice. >>> >>>Or at least that is what we are supposed to believe. >>> >>>:) >>> >>>(good analysis by the way. I see some short-term suffering by black, but he >>>is material ahead. And once the suffering is over, counting pawns is a good way >>>to see who is winning.) >> >>Amir did not say that black is winning but that the position looks dead even. >> >>Counting pawns will tell you that black is winning so it is not right to count >>pawns. >> >>Uri > > > > >If the position is dead even, then by all means white must play Rc6. > I meant it's dead even after Rc6. >Because it creates opportunities. > It creates opportunities for both sides. You are really underestimating what black can do in this position because it didn't. Amir >Maybe that's what's new about Gambit Tiger. > > > > Christophe
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