Author: John Merlino
Date: 14:54:42 09/29/03
Go up one level in this thread
On September 29, 2003 at 17:25:28, Anthony Cozzie wrote: >From "Art of Attack in Chess", p269, from Treybal-Wolf Teplitz-Schonau 1922 > >[D]1r3bk1/2p2p2/3pqPpp/2p1n3/2P1P2R/1PQ3N1/rB4PP/5RK1 b - - 0 1 > >Wolf here played Nxc4, which Vukovic claims loses. Vukovic thinks Black should >sacrifice the exchange with 1 ..Rxb2 2. Qxb2 Nxc4 3. Qc3 Ne5. Chessmaster 9000, on a P4-2.4, switches from Nxc4 to g5!? after 19 seconds. It then finally switches back to Nxc4 after more than three minutes: Time Depth Score Positions Moves 0:00 1/3 -1.31 1397 1...Nxc4 2.Ra1 Rxa1+ 3.Bxa1 Ne5 0:00 1/4 -1.31 2899 1...Nxc4 2.Ra1 Rxa1+ 3.Bxa1 Ne5 0:00 1/5 -2.38 12241 1...Nxc4 2.Ra1 Rxa1+ 3.Bxa1 Ne5 4.Qd2 Rxb3 5.Bxe5 Qxe5 0:00 1/6 -2.75 35402 1...Nxc4 2.Ra1 Rxb2 3.bxc4 R8b3 4.Qe1 Qxc4 0:00 1/7 -2.31 111273 1...Nxc4 2.Ra1 Rxa1+ 3.Bxa1 Ne5 4.Qc1 Rxb3 5.Bxe5 Qxe5 0:01 1/8 -2.81 216221 1...Nxc4 2.Ra1 Rxb2 3.bxc4 R8b3 4.Qc1 Qxf6 5.Rf4 Qd4+ 6.Kh1 0:02 1/9 -2.46 585451 1...Nxc4 2.Bc1 Ne5 3.Bxh6 Bxh6 4.Rxh6 Rxb3 5.Qc1 Ng4 6.Rh4 Ne3 0:05 1/10 -2.15 1525259 1...Nxc4 2.Bc1 Ne5 3.Bxh6 Rxb3 4.Qc1 Nd3 5.Qe3 Nf2 6.Qg5 0:16 2/11 -1.89 5117060 1...Nxc4 2.Bc1 Ne5 3.Bxh6 g5 4.Rh5 Bxh6 5.Rxh6 Rxb3 6.Qc1 Qg4 7.Rf5 0:19 2/11 -2.16 5833289 1...g5 2.Rh3 Nxc4 3.Bc1 Na5 4.Rf2 Rxf2 5.Kxf2 Nc6 6.Nf5 Qxe4 7.Nxh6+ Bxh6 8.Rxh6 0:34 3/12 -2.41 11321525 1...g5 2.Rh3 Nxc4 3.Bc1 Na5 4.Qe1 Rxb3 5.Bxg5 Rbb2 6.Rf5 Rxg2+ 7.Kh1 Bg7 8.fxg7 hxg5 2:15 4/13 -1.45 44988103 1...g5 2.Rh5 Nxc4 3.Nf5 Rxb2 4.Qxc4 Qxc4 5.bxc4 Kh7 6.h4 Kg6 7.g4 Re8 8.Ng3 Rc2 9.hxg5 Rxc4 10.gxh6 Bxh6 3:06 4/13 -2.70 62227870 1...Nxc4 2.Bc1 Ne5 3.Bxh6 Rxb3 4.Bxf8 g5 5.Nf5 gxh4 6.Qc1 Ng4 7.Bxd6 cxd6 8.Qg5+ Kf8 9.Qg7+ Ke8 10.Qg8+ Kd7 11.Qxg4 After forcing 1...Rxb2 2.Qxb2 Nxc4, here is what it says: Time Depth Score Positions Moves 0:00 1/3 -0.51 549 3.Qc3 Ne5 4.b4 Rxb4 0:00 1/4 -0.51 2582 3.Qc3 Ne5 4.b4 Rxb4 0:00 1/4 -0.45 4559 3.Qa1 Rxb3 4.Qa8 h5 5.Qa4 0:00 1/4 -0.15 5273 3.Qc1 Ne5 4.Rxh6 Qxb3 0:00 1/5 -0.84 9844 3.Qc1 Rxb3 4.Ne2 Ne5 5.Qd2 0:00 1/5 -0.82 13412 3.Qa1 Ne5 4.Qa5 Rxb3 5.Qxc7 Rb2 0:00 1/5 -0.62 15438 3.Qc3 Ne5 4.b4 Rxb4 5.Ne2 0:00 1/6 -0.60 23943 3.Qc3 Ne5 4.b4 Rxb4 5.Ne2 c6 0:00 1/6 -0.57 27454 3.Qa2 Ne5 4.Ne2 Qxb3 5.Qd2 c6 6.Nc3 0:00 1/7 -0.73 55008 3.Qa2 Ne5 4.Ne2 Qxb3 5.Qd2 Qb2 6.Rd1 Rb3 0:00 1/8 -0.73 121239 3.Qa2 Ne5 4.Ne2 Qxb3 5.Qd2 Qb2 6.Rd1 Rb3 0:01 1/9 -0.82 400420 3.Qa2 Ne5 4.Rhf4 h5 5.Rb1 Bh6 6.Rff1 Bg5 7.Qc2 Bxf6 0:02 1/9 -0.76 688057 3.Qa1 Ne5 4.Ne2 Qxb3 5.Nc3 Qc4 6.Rh3 Rb3 7.Rd1 c6 0:06 1/10 -0.64 1564020 3.Qa1 Ne5 4.Qc1 Kh7 5.Qd2 Rxb3 6.Ne2 Qc4 7.Kh1 Kg8 8.Rc1 0:11 2/11 -0.82 3054122 3.Qa1 Ne5 4.Qc1 Kh7 5.Ne2 Rxb3 6.Qc2 g5 7.Nc1 Ra3 8.Qb2 0:18 2/11 -0.77 5078656 3.Qc1 Rxb3 4.Kh1 Rd3 5.Nf5 Nd2 6.Nxh6+ Bxh6 7.Rxh6 Qxe4 8.Re1 Qa4 9.Re7 0:31 3/12 -0.67 9143806 3.Qc1 Rxb3 4.Kh1 Rd3 5.Nf5 Nd2 6.Nxh6+ Bxh6 7.Rxh6 Qxe4 8.Re1 Re3 9.Rxe3 Qxe3 10.Rh3 1:27 4/13 -0.69 26531583 3.Qc1 Rxb3 4.Kh1 g5 5.Rh5 Ne5 6.Nf5 Nd3 7.Rxg5+ Kh7 8.Qd1 Rb2 9.Qh5 Nf2+ 10.Kg1 Nxe4 jm
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.