Author: Mike Byrne
Date: 14:44:27 09/04/02
Go up one level in this thread
On September 04, 2002 at 14:38:21, Dann Corbit wrote: >On September 03, 2002 at 20:51:58, Mike Byrne 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. >>> :) >> >> >>Crafty v17.16 SE (2 cpus) [available via email to mfbyrne_pa@msn.com] >> >>White(1): 4rrk1/p4p2/1b1Q1n1p/4n1p1/3pb3/1P2P1PN/PB1R1P1P/3R2K1 b - - 0 23 >>Black(1): go >> clearing hash tables >> time surplus 0.00 time limit 100:00 (100:00) >> nss depth time score variation (1) >>starting thread 1 >> 1-> 0.02 -3.18 1. ... Re6 2. Qb4 dxe3 >> 2 0.02 -3.18 1. ... Re6 2. Qb4 dxe3 >> 2-> 0.02 -3.18 1. ... Re6 2. Qb4 dxe3 >> 3 0.03 ++ 1. ... Re6!! >> 3 0.03 -2.32 1. ... Re6 2. Qb4 Nf3+ 3. Kf1 Nxd2+ >> 4. Qxd2 dxe3 5. fxe3 >> 3 0.03 ++ 1. ... Nf3+!! >> 3 0.05 -1.02 1. ... Nf3+ 2. Kf1 Nxd2+ 3. Rxd2 Re6 >> 4. Qb4 dxe3 >> (2) 3-> 0.05 -1.02 1. ... Nf3+ 2. Kf1 Nxd2+ 3. Rxd2 Re6 >> 4. Qb4 dxe3 >> 4 0.07 -1.02 1. ... Nf3+ 2. Kf1 Nxd2+ 3. Rxd2 Re6 >> 4. Qb4 dxe3 >> 4-> 0.08 -1.02 1. ... Nf3+ 2. Kf1 Nxd2+ 3. Rxd2 Re6 >> 4. Qb4 dxe3 >> 5 0.11 -1.00 1. ... Nf3+ 2. Kf1 Nxh2+ 3. Ke2 Bf3+ >> 4. Kd3 Re6 5. Qb4 Bxd1 6. Rxd1 >> 5-> 0.14 -1.00 1. ... Nf3+ 2. Kf1 Nxh2+ 3. Ke2 Bf3+ >> 4. Kd3 Re6 5. Qb4 Bxd1 6. Rxd1 >> 6 0.24 -0.80 1. ... Nf3+ 2. Kf1 Nxh2+ 3. Ke1 Nf3+ >> 4. Ke2 Re6 5. Qb4 a5 6. Qc4 Nxd2 7. >> Rxd2 dxe3 8. fxe3 >> 6-> 0.28 -0.80 1. ... Nf3+ 2. Kf1 Nxh2+ 3. Ke1 Nf3+ >> 4. Ke2 Re6 5. Qb4 a5 6. Qc4 Nxd2 7. >> Rxd2 dxe3 8. fxe3 >> 7 0.47 -0.80 1. ... Nf3+ 2. Kf1 Nxh2+ 3. Ke1 Nf3+ >> 4. Ke2 Re6 5. Qb4 a5 6. Qc4 Nxd2 7. >> Rxd2 dxe3 8. fxe3 >> 7-> 0.55 -0.80 1. ... Nf3+ 2. Kf1 Nxh2+ 3. Ke1 Nf3+ >> 4. Ke2 Re6 5. Qb4 a5 6. Qc4 Nxd2 7. >> Rxd2 dxe3 8. fxe3 >> 8 1.05 -0.65 1. ... Nf3+ 2. Kf1 Nxh2+ 3. Ke1 Nf3+ >> 4. Ke2 Re6 5. Qb4 Nxd2 6. Qxd2 d3+ >> 7. Kf1 >> 8-> 1.36 -0.65 1. ... Nf3+ 2. Kf1 Nxh2+ 3. Ke1 Nf3+ >> 4. Ke2 Re6 5. Qb4 Nxd2 6. Qxd2 d3+ >> 7. Kf1 >> 9 2.72 -0.65 1. ... Nf3+ 2. Kf1 Nxh2+ 3. Ke1 Re6 >> 4. Qa3 Nf3+ 5. Ke2 Nxd2 6. Rxd2 dxe3 >> 7. fxe3 >> 9-> 3.52 -0.65 1. ... Nf3+ 2. Kf1 Nxh2+ 3. Ke1 Re6 >> 4. Qa3 Nf3+ 5. Ke2 Nxd2 6. Rxd2 dxe3 >> 7. fxe3 >> 10 7.24 -0.47 1. ... Nf3+ 2. Kf1 Nxh2+ 3. Ke1 Re6 >> 4. Qa3 Nf3+ 5. Ke2 Nxd2 6. Rxd2 dxe3 >> 7. fxe3 Rc8 8. Bxf6 Rxf6 >> 10-> 10.39 -0.47 1. ... Nf3+ 2. Kf1 Nxh2+ 3. Ke1 Re6 >> 4. Qa3 Nf3+ 5. Ke2 Nxd2 6. Rxd2 dxe3 >> 7. fxe3 Rc8 8. Bxf6 Rxf6 >> 11 46.47 -0.46 1. ... Nf3+ 2. Kf1 Re6 3. Qa3 Nxd2+ >> 4. Rxd2 dxe3 5. fxe3 Bxe3 6. Bxf6 Rxf6+ >> 7. Rf2 Bd3+ 8. Kg2 Be4+ 9. Kg1 Bxf2+ >> 10. Nxf2 >> 11-> 53.69 -0.46 1. ... Nf3+ 2. Kf1 Re6 3. Qa3 Nxd2+ >> 4. Rxd2 dxe3 5. fxe3 Bxe3 6. Bxf6 Rxf6+ >> 7. Rf2 Bd3+ 8. Kg2 Be4+ 9. Kg1 Bxf2+ >> 10. Nxf2 >> 12 1:32 -0.46 1. ... Nf3+ 2. Kf1 Re6 3. Qa3 Nxd2+ >> 4. Rxd2 dxe3 5. fxe3 Bxe3 6. Bxf6 Rxf6+ >> 7. Rf2 Bd3+ 8. Kg2 Be4+ 9. Kg1 Bxf2+ >> 10. Nxf2 >> 12 1:59 -0.45 1. ... Re6 2. Qa3 dxe3 3. fxe3 Bxe3+ >> 4. Kf1 Bxd2 5. Rxd2 Nf3 6. Rf2 Ng4 >> 7. Rxf3 Nxh2+ 8. Kg2 Nxf3 9. Qxa7 >> (2) 12-> 2:27 -0.45 1. ... Re6 2. Qa3 dxe3 3. fxe3 Bxe3+ >> 4. Kf1 Bxd2 5. Rxd2 Nf3 6. Rf2 Ng4 >> 7. Rxf3 Nxh2+ 8. Kg2 Nxf3 9. Qxa7 >> 13 3:06 -0.45 1. ... Re6 2. Qa3 dxe3 3. fxe3 Bxe3+ >> 4. Kf1 Bxd2 5. Rxd2 Nf3 6. Rf2 Ng4 >> 7. Rxf3 Nxh2+ 8. Kg2 Nxf3 9. Qxa7 >> (2) 13-> 5:27 -0.45 1. ... Re6 2. Qa3 dxe3 3. fxe3 Bxe3+ >> 4. Kf1 Bxd2 5. Rxd2 Nf3 6. Rf2 Ng4 >> 7. Rxf3 Nxh2+ 8. Kg2 Nxf3 9. Qxa7 > >The score isn't very convincing. No it's not, but since when do scores have to be "convincing".
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