Author: Slater Wold
Date: 20:58:12 09/03/02
Go up one level in this thread
On September 03, 2002 at 20:42:27, John Merlino wrote: >On September 03, 2002 at 20:34:43, Slater Wold wrote: > >>On September 03, 2002 at 20:22:57, John Merlino wrote: >> >>>On September 03, 2002 at 20:00:53, Slater Wold wrote: >>> >>>>On September 03, 2002 at 19:35:06, John Merlino wrote: >>>> >>>>>On September 03, 2002 at 18:59:54, Slater Wold wrote: >>>>> >>>>>>[D]4rrk1/p4p2/1b1Q1n1p/4n1p1/3pb3/1P2P1PN/PB1R1P1P/3R2K1 b - - 0 23 >>>>>> >>>>>> >>>>>>Can you find Re6? And it wins, not draws!! >>>>> >>>>>Chessmaster 9000, on a humble PIII-600, finds it in 3:16. However, it was pretty >>>>>happy with Nf3+ before that, so it might also win... >>>>> >>>>>23... Nf3+ >>>>>24. Kf1 (forced) Nxh2+ >>>>>25. Ke1 Re6 (NOW Re6) >>>>> >>>>>Time Depth Score Positions Moves >>>>>0:00 1/3 0.32 2563 23...Nf3+ 24.Kf1 Re6 25.Qb4 Nxd2+ >>>>> 26.Qxd2 >>>>>0:00 1/4 0.15 5091 23...Nf3+ 24.Kf1 Nxd2+ 25.Rxd2 >>>>> Re6 26.Qb4 dxe3 >>>>>0:00 1/4 0.11 5812 23...Re6 24.Qb4 a5 25.Qb5 Nf3+ >>>>> 26.Kf1 Nxd2+ 27.Rxd2 dxe3 >>>>>0:00 1/5 0.11 11260 23...Re6 24.Qb4 a5 25.Qb5 Nf3+ >>>>> 26.Kf1 Nxd2+ 27.Rxd2 dxe3 >>>>>0:00 1/5 -0.04 17932 23...Nf3+ 24.Kf1 Nxh2+ 25.Ke2 Bf3+ >>>>> 26.Kd3 Re6 27.Qb4 dxe3 >>>>>0:00 1/6 -0.37 40593 23...Nf3+ 24.Kf1 Nxh2+ 25.Ke2 Re6 >>>>> 26.Qb4 dxe3 27.fxe3 Bf3+ 28.Kd3 >>>>> Bxd1 29.Rxd1 Rxe3+ 30.Kc2 Rxg3 >>>>> 31.Bxf6 Rxh3 >>>>>0:02 1/7 -0.56 167791 23...Nf3+ 24.Kf1 Nxh2+ 25.Ke1 Nf3+ >>>>> 26.Ke2 Re6 27.Qa3 Nxd2 28.Rxd2 Bf5 >>>>>0:06 1/8 -0.73 436350 23...Nf3+ 24.Kf1 Nxh2+ 25.Ke1 Re6 >>>>> 26.Qb4 Nf3+ 27.Kf1 Nxd2+ 28.Qxd2 >>>>> dxe3 29.fxe3 Ng4 >>>>>0:18 1/9 -0.73 1396122 23...Nf3+ 24.Kf1 Nxh2+ 25.Ke1 Re6 >>>>> 26.Qb4 Nf3+ 27.Kf1 Nxd2+ 28.Qxd2 >>>>> Bf5 29.Ng1 dxe3 >>>>>0:50 1/10 -1.01 3985604 23...Nf3+ 24.Kf1 Nxh2+ 25.Ke1 Re6 >>>>> 26.Qb4 Nf3+ 27.Ke2 Nxd2 28.Rxd2 >>>>> dxe3 29.fxe3 Nd5 30.Qc4 Nxe3 >>>>>2:42 2/11 -1.06 13031332 23...Nf3+ 24.Kf1 Nxh2+ 25.Ke1 Re6 >>>>> 26.Qb4 Nf3+ 27.Ke2 Nxd2 28.Qxd2 >>>>> Bf5 29.Ng1 dxe3 30.fxe3 Bxe3 31.Qxe3 >>>>> Rxe3+ 32.Kxe3 >>>>>3:16 2/11 -1.23 15735481 23...Re6 24.Qa3 Nf3+ 25.Kf1 Nxh2+ >>>>> 26.Kg1 Nf3+ 27.Kf1 Nxd2+ 28.Rxd2 >>>>> dxe3 29.Rd6 Bf5 30.Kg2 e2 31.Rxe6 >>>>> Bxe6 >>>>> >>>>>jm >>>> >>>>Nf3+ doesn't win. Best case it draws, worst case there are several lines that >>>>lose. >>>> >>>>A lot of programs get "confused" on this one, because the material is all wacko. >>>> :) >>> >>>Here is the line that CM plays: >>> >>>23...Nf3+ >>>24.Kf1 Nxh2+ >>>25.Ke1 Nf3+ >>>26.Ke2 Re6 >>>27.Qb4 Nxd2 >>>28.Rxd2 Nd5 (and an eval of over 2.0 for Black). >>> >>>How can White improve on the above line? >>> >>>jm >> >> >>That line is great. But any program that says it's 2.0 for Black is nuts. ;) >> >>Consider after 28...Nd5: >> >>Bxd4 Rc8 Bxb6 Rxb6 Kg1 Nf6 Rd1 Bf3 Rc1 Rbc6 Rxc6 Rxc6 Qb2 Ng4 >> >>And it seems to me, white is at *least* even. And IMO, slightly better. >> >> >>Besides, Re6 wins almost immediatly. > >I think you missed something. After 28...Nd5, if Bxd4 then Knight takes Queen at >b4 -- game over. Yes, you are correct. I did miss the line above. Because 26. Ke2?? is not right. Better is Kf1. Then Re6 should fail low, and the score is much more even.
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