Author: John Merlino
Date: 22:53:35 04/26/04
Go up one level in this thread
On April 26, 2004 at 21:48:57, Dan Ellwein wrote: >On April 25, 2004 at 18:22:46, Johan de Koning wrote: > >>On April 24, 2004 at 18:21:31, Johan de Koning wrote: >> >>>On April 24, 2004 at 15:28:13, John Merlino wrote: >>> >>>>On April 23, 2004 at 20:05:51, Johan de Koning wrote: >>>> >>>>>On April 23, 2004 at 16:52:42, John Merlino wrote: >>>>> >>>>>>This position is from The King v Diep in the recent ICT4. >>>>>> >>>>>>[D]r3k2r/pp1bppbp/2n3p1/8/8/2N1B1P1/PP2PPBP/2RK3R w kq - 0 13 >>>>>> >>>>>>The Chessmaster 9000 database has two games with this position, played by top >>>>>>GMs (Andersson v Leko in 1996 and Smirin v Alterman in 1998). In both cases, >>>>>>White played f4 and won. >>>>>> >>>>>>The King, however, chose Kc2 and is soon forced over to a3. >>>>> >>>>>Actually I cheered when TK switched to Kc2 at the last minute (make that >>>>>the last second :-). Both a3 and a1/b1 look better then e1, superficially. >>>>>Little did I know what lied ahead though. :-( >>>>> >>>>>... Johan >>>> >>>>Did TK switch from f4 or Ke1? >>> >>>I don't recall seeing f4 in any of the PVs. >>>(Will correct tomorrow, if needed.) >> >>So much for my memory. >>It switched from f4 to Kc2. >>In 3-best mode it lists Kc3, f4, and h4 within a few cents. >>(on slower hardware) >>252.33 45M289 03/12 +0.07 Kc2,Bf5+ Kb3,0-0 Rhd1,Rfd8 Rxd8+,Rxd8 Bxc6,bxc6 ... >>305.83 54M957 03/12 -0.01 f4,Rc8 Kd2,0-0 Rhd1,Bf5 Ke1,e5 fxe5,Bxe5 Kf2,Rfe8 >>383.66 68M885 03/12 +0.03 h4,Rd8 Ke1,h5 Kf1,0-0 Kg1,Be6 Kh2,Rfe8 Rhe1,Rd7 >> >>... Johan > >Hi Johan > >just for the record CM9_OffSet likes Kc2 in this position... > >P3/850 > >Time Depth Score Positions Moves >---- ---- ---- ---- ---- >0:00 1/3 0.48 4930 1.Nb5 Rd8 2.Nc7+ Kf8 >0:00 1/3 0.49 5409 1.f4 O-O 2.Rf1 Rfc8 >0:00 1/4 0.49 8181 1.f4 O-O 2.Rf1 Rfc8 >0:00 1/4 0.55 17208 1.Nd5 Rd8 2.b3 Kf8 >0:00 1/5 0.29 36913 1.Nd5 Rd8 2.Kc2 Bf5+ 3.Kb3 Nd4+ > 4.Bxd4 Bxd4 >0:00 1/5 0.53 47262 1.Nb5 Rd8 2.Kc2 O-O 3.Nxa7 Bf5+ > 4.Kb3 >0:01 1/6 0.68 90706 1.Nb5 Rd8 2.Ke1 a5 3.f4 Bxb2 >0:02 1/7 0.29 219503 1.Nb5 O-O 2.Nxa7 Nxa7 3.Bxb7 Rad8 > 4.Ke1 Bxb2 >0:03 1/7 0.42 329111 1.Nd5 Rd8 2.Bd2 Kf8 3.Bc3 Nd4 4.Bb4 > Nf5 >0:07 1/7 0.60 632608 1.Kc2 Bf5+ 2.Be4 Bxe4+ 3.Nxe4 f5 > 4.Nc5 O-O-O 5.Kb1 e5 >0:10 1/8 0.66 900983 1.Kc2 O-O 2.Kb1 Rfc8 3.Rhd1 Bf5+ > 4.Be4 Bg4 5.f4 e6 >0:22 1/8 0.70 1997546 1.Na4 Bf5 2.Ke1 Rc8 3.b3 Bd7 4.Nc5 > Bb2 5.Rd1 >0:30 1/9 0.68 2770742 1.Na4 Bf5 2.Rg1 Rc8 3.Bxc6+ bxc6 > 4.Ke1 Rc7 5.g4 Be6 >0:38 1/9 0.82 3570621 1.Kc2 O-O 2.Rhd1 Bf5+ 3.Be4 Bg4 > 4.Kb1 Rfc8 5.f3 Be6 6.Nd5 >0:51 1/10 0.78 4873139 1.Kc2 O-O 2.Rhd1 Bf5+ 3.Be4 Bh3 > 4.Kb1 Rfc8 5.f4 Be6 6.Nb5 >2:16 1/11 0.87 12968586 1.Kc2 O-O-O 2.Kb1 Kb8 3.Rhd1 Rhe8 > 4.f4 Nb4 5.Ne4 Be6 6.Rxd8+ Rxd8 >5:07 1/12 0.95 29377143 1.Kc2 O-O 2.Rhd1 Be6 3.Kb1 Rfc8 > 4.Nd5 Bf5+ 5.Ka1 Kf8 6.Nf4 Kg8 > 7.Bxc6 bxc6 >13:41 2/13 1.04 78101462 1.Kc2 O-O 2.Rhd1 Bg4 3.Kb1 Rfc8 > 4.Bc5 Kf8 5.f4 Bf5+ 6.Be4 b6 7.Bxf5 > gxf5 8.Be3 e6 >best regards, > >Dan An eval of >1.0 shows how very odd this personality is. It might be useful for finding sacrifices, but for general analysis I wouldn't trust it at all. The final PV doesn't even show Diep's obvious follow-up of 1...Bf5+. jm
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