Author: Marc van Hal
Date: 01:49:39 05/19/03
Go up one level in this thread
On May 18, 2003 at 11:16:48, Jon Dart wrote: >See comments inline. > >>On May 18, 2003 at 09:05:56, Uri Blass wrote: >> > >>>arasan3.17 >>> >>>[D]8/8/5PbP/4k1P1/8/4B1K1/8/5r2 b - - 0 1 >>>Bm: Rf5 >>> >>>The problem is that it seems that Ke4 is also winning >>> > >I agree Ke4 is an alternate solution. I will add it as an alternative "best >move". > > >>Another mistake: >> >>Id: arasan3.63 >>Fen: r4rk1/1pp3q1/2np3p/p2Npb1B/2PbN1p1/3P2P1/PP4PP/R2Q1R1K w - - 0 1 >>Bm: Nxc7 > >Crafty fails high with Nef6+ at ply 15 after 14 minutes on my Athlon XP2500+, >but then changes to Ndf6+: > > 13 57.56 0.06 1. Bxg4 Bxe4 2. dxe4 Rxf1+ 3. Qxf1 > Rf8 4. Be6+ Kh8 5. Bf5 Nd8 6. Rb1 c6 > 7. Nc3 Be3 8. Re1 Qg5 > 13 3:26 0.11 1. Qb3 Bxe4 2. dxe4 b6 3. c5 Kh7 4. > cxb6 cxb6 5. Rf5 Ne7 6. Nxe7 Qxe7 7. > Raf1 Rxf5 8. exf5 a4 > 13 4:01 0.38 1. Rxf5 Rxf5 2. Nxc7 Rxh5 3. Nxa8 Qg6 > 4. Qxg4 Qxg4 5. Nf6+ Kg7 6. Nxg4 Nb4 > 7. Rd1 Bxb2 > 13 4:22 ++ 1. Nxc7!! > 13 5:11 0.72 1. Nxc7 Bxe4 2. Nxa8 Bf5 3. Rxf5 Rxf5 > 4. Qxg4 Qxg4 5. Bxg4 Rf2 6. Nc7 Bxb2 > 7. Kg1 > 13-> 5:29 0.72 1. Nxc7 Bxe4 2. Nxa8 Bf5 3. Rxf5 Rxf5 > 4. Qxg4 Qxg4 5. Bxg4 Rf2 6. Nc7 Bxb2 > 7. Kg1 > 14 6:01 0.65 1. Nxc7 Bxe4 2. Nxa8 Bf5 3. Rxf5 Rxf5 > 4. Qxg4 Qxg4 5. Bxg4 Rf2 6. Nc7 Kh7 > 7. Nd5 Bxb2 > 14-> 8:12 0.65 1. Nxc7 Bxe4 2. Nxa8 Bf5 3. Rxf5 Rxf5 > 4. Qxg4 Qxg4 5. Bxg4 Rf2 6. Nc7 Kh7 > 7. Nd5 Bxb2 > 15 9:36 0.76 1. Nxc7 Bxe4 2. Nxa8 Bf5 3. Rxf5 Rxf5 > 4. Qxg4 Qxg4 5. Bxg4 Rf2 6. Nc7 Bxb2 > 7. Kg1 Bd4 8. Nd5 > 15 14:12 ++ 1. Nef6+!! > 15 16:57 3.11 1. Nef6+ Kh8 2. Rxf5 e4 3. Qf1 Bxb2 > 4. Rb1 Bxf6 5. Rxf6 Rxf6 6. Qxf6 Qxf6 > 7. Nxf6 exd3 8. Rxb7 Rf8 9. Rxc7 Rxf6 > 10. Rxc6 > 15 17:20 3.14 1. Ndf6+ Rxf6 2. Nxf6+ Qxf6 3. Bxg4 > Ne7 4. Bxf5 Nxf5 5. Qg4+ Qg7 6. Qxf5 > Rf8 7. Qe6+ Kh7 <HT> > >It looks like Ndf6+ and Nef6+ are both winning here and should be listed as >alternate solutions (instead of Nxc7). > >--Jon Now it starts looking like Euwe Kramer books gues the move in which you have to choose one move or plan while there are alternatives or even better moves or plans available. So you can end up with a zero or low score when selecting the best moves. he he Marc
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