Author: Slater Wold
Date: 17:28:34 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. > >Zappa here stubbornly sticks with Nxc4, even after a full day's worth of >anaylsis: > >1... Nxc4 2. Rb1 Rxb2 3. Rxb2 Nxb2 4. Qxb2 Rxb3 5. Qa1 Qc4 6. Rf4 Qc2 7. Qa8 Rb2 >8. Rf1 > = (2.46) Depth: 13/24 00:01:01.11 29691kN >1... Nxc4 2. Bc1 Ne5 3. Bxh6 Bxh6 4. Rxh6 Rxb3 5. Qc1 Ng4 6. Qg5 Nxh6 7. Qxh6 >Rxg2 8. Kxg2 Rb2 9. Rf2 > - (2.16) Depth: 14/28 00:04:25.43 128216kN >1... g5 2. Rh5 > = (2.16) Depth: 14/28 00:05:04.37 147721kN >1... g5 2. Rh5 Nxc4 3. Nf5 Nxb2 4. Qg3 g4 5. Qxg4 Kh8 6. Qg5 Ra1 7. Rxa1 Qxe4 > - (1.86) Depth: 15/33 00:16:23.51 455789kN >1... g5 2. Rh5 Nxc4 3. Nf5 Rxb2 4. Qxc4 > = (1.86) Depth: 15/32 00:16:56.67 470714kN >1... Nxc4 2. Bc1 Ne5 3. Bxh6 Rxb3 4. Qc1 Ng4 5. Bxf8 Rxg3 6. hxg3 Qxe4 7. Rf3 >Qd4 8. Kf1 Ra1 9. Rh8 Kxh8 10. Bg7 Kg8 > = (1.88) Depth: 16/39 00:30:40.06 866517kN >1... Nxc4 2. Bc1 g5 3. Rxh6 Bxh6 4. bxc4 Rb1 5. Qd3 Ra1 6. Qc3 Qg4 7. Qb3 Bf8 8. >Qe3 Rc2 9. h3 Qh4 > = (1.96) Depth: 17/39 00:47:26.58 1348472kN >1... Nxc4 2. Bc1 g5 3. Rxh6 Bxh6 4. bxc4 Rb1 5. Nf5 Bf8 6. Qg3 Qxf6 7. Bxg5 Rxf1 >8. Kxf1 Qg6 9. Nh4 Qg7 10. Ke1 Qa1 11. Bc1 > = (1.95) Depth: 18/46 02:04:29.41 3522924kN >1... Nxc4 2. Bc1 g5 3. Rxh6 Bxh6 4. bxc4 Rb1 5. Nf5 Bf8 6. Qg3 Qxf6 7. Bxg5 Rxf1 >8. Kxf1 Qg6 9. Bd8 Qxg3 10. Nxg3 Rc2 11. h3 > = (2.05) Depth: 19/43 03:05:13.14 5271379kN >1... Nxc4 2. Bc1 g5 3. Bxg5 Ne5 4. Bxh6 Ng6 5. Rh5 Rxb3 6. Qc1 Rb2 7. Qg5 c4 8. >Kh1 Rxg2 9. Qf5 Qxf5 10. exf5 Bxh6 11. fxg6 Ra1 > - (1.75) Depth: 20/56 10:54:43.48 18313543kN >1... Nxc4 2. Bc1 g5 3. Bxg5 Ne5 4. Bxh6 Ng6 5. Rh5 Rxb3 6. Qc1 Rb2 7. Qg5 Rxg2 >8. Kh1 Raf2 9. Rxf2 Rxf2 10. Kg1 Qa2 11. Qd5 Bxh6 > = (1.75) Depth: 20/43 11:08:41.21 18712897kN >1... Nxc4 2. Bc1 g5 3. Bxg5 Ne5 4. Bxh6 Ng6 5. Rh5 Rxb3 6. Qc1 Rb2 7. Qg5 Rxg2 >8. Kh1 Rgf2 9. Rxf2 Rxf2 10. Kg1 > = (1.90) Depth: 21/59 14:32:59.48 24626191kN >1... Nxc4 2. Bc1 g5 3. Bxg5 Ne5 4. Bxh6 Ng6 5. Rh5 Rxb3 6. Qc1 Rb2 7. Qg5 Rxg2 >8. Kh1 Rgf2 9. Rxf2 Rxf2 10. Kg1 Qxf6 11. Qe3 Rf3 12. Qe2 Bxh6 > = (1.90) Depth: 22/65 21:27:33.94 36681946kN > >Count: Time: 92340934ms, Nodes: 43966971926 QNodes: 33866453371[77.0%], NPS:476K >Hash: TProbes: 10095633k [23.0%] TPings: 3406487k [33.7%], THits: 2232677k >[22.1%], PHits: 33346156k [98.5%], KHits: 33346156k [98.5%] >Ext: Check: 2128695k Pawn: 98350k Recap: 20419k Mate: 3737k Race: 0k Trade: 0k >1Rep: 61237k KS: 0k Singular: 0k > >Vukovic here recommends Bc1 g5 Rh3, while Zappa plays Bxg5. So, who is wrong >here? Does your engine see a win for white after Nxc4? > >anthony Shredder 7.04 1r3bk1/2p2p2/3pqPpp/2p1n3/2P1P2R/1PQ3N1/rB4PP/5RK1 b - - 0 1 Analysis by Shredder 7.04: 1...Rxb2 2.Qxb2 Qxf6 3.Rxf6 ² (0.28) Depth: 1/2 00:00:00 1...Rxb2 2.Qxb2 Qxf6 3.Rxf6 ± (0.81) Depth: 1/4 00:00:00 1...Rxb2 2.Qxb2 Qxf6 3.Rxf6 +- (1.69) Depth: 1/4 00:00:00 1...g5 2.Rh3 Qxh3 3.gxh3 Nf3+ 4.Rxf3 = (0.20) Depth: 1/4 00:00:00 1...g5 2.Rh3 Qxh3 3.gxh3 Nf3+ 4.Rxf3 Ra1+ 5.Bxa1 ³ (-0.30) Depth: 1/6 00:00:00 1...g5 2.Rh3 Qxh3 3.gxh3 Nf3+ 4.Rxf3 Ra1+ 5.Bxa1 ³ (-0.30) Depth: 1/8 00:00:00 1...c6 µ (-0.90) Depth: 1/8 00:00:00 1...c6 µ (-0.90) Depth: 1/8 00:00:00 1...Nxc4 2.Rb1 -+ (-2.97) Depth: 1/8 00:00:00 1...Nxc4 2.Rb1 -+ (-2.97) Depth: 1/8 00:00:00 1...Nxc4 2.Rb1 -+ (-2.97) Depth: 2/2 00:00:00 1...Nxc4 2.Rb1 -+ (-2.97) Depth: 3/3 00:00:00 1...Nxc4 2.Rb1 -+ (-2.97) Depth: 4/4 00:00:00 1...Nxc4 2.Rb1 -+ (-2.97) Depth: 5/5 00:00:00 1...Nxc4 2.Rb1 -+ (-2.97) Depth: 6/6 00:00:00 1...Nxc4 2.Rb1 -+ (-2.97) Depth: 7/8 00:00:00 31kN 1...Nxc4 2.Rb1 -+ (-2.97) Depth: 8/8 00:00:00 35kN 1...Nxc4 2.Rb1 -+ (-2.97) Depth: 9/9 00:00:00 67kN 1...Nxc4 2.Rb1 -+ (-2.97) Depth: 10/10 00:00:00 99kN 1...Nxc4 2.Bc1 Ne5 3.Bxh6 Bxh6 4.Rxh6 Qxb3 5.Qc1 Ng4 6.Nf5 Nxh6 7.Nxh6+ Kf8 8.Qg5 -+ (-3.12) Depth: 11/26 00:00:03 1636kN 1...Nxc4 2.Bc1 Ne5 3.Bxh6 Bxh6 4.Rxh6 Qxb3 5.Qc1 Ng4 6.Nf5 Nxh6 7.Qxh6 Rxg2+ 8.Kxg2 Qg3+ 9.hxg3 -+ (-2.87) Depth: 12/29 00:00:04 2461kN 1...Nxc4 2.Bc1 g5 3.Rxh6 Bxh6 4.bxc4 Qe5 5.Qf3 Qd4+ 6.Be3 Kh7 7.Bxd4 Rxg2+ 8.Kxg2 -+ (-2.38) Depth: 12/29 00:00:08 4387kN 1...Nxc4 2.Bc1 Ne5 3.Bxh6 Rxb3 4.Qc1 Rbb2 5.Bxf8 Rxg2+ 6.Kh1 Ng4 7.Rf4 Rxh2+ 8.Kg1 Rxh4 9.Rxg4 Qxg4 10.Qh6 Rxh6 -+ (-2.63) Depth: 13/34 00:00:16 8425kN 1...Nxc4 2.Bc1 Ne5 3.Bxh6 Rxb3 4.Qc1 Rbb2 5.Bxf8 Rxg2+ 6.Kh1 Ng4 7.Rf4 Rxh2+ 8.Kg1 Rxh4 9.Rxg4 Qxg4 10.Bxd6 -+ (-3.13) Depth: 13/34 00:00:21 10927kN 1...Nxc4 2.Rb1 Nxb2 3.Rxb2 Rxb2 4.Qxb2 Qxb3 5.Qe2 Qb2 6.Qf3 Qd4+ 7.Kh1 Rb1+ 8.Nf1 c4 9.Qf5 gxf5 -+ (-3.66) Depth: 13/34 00:00:51 25592kN 1...Nxc4 2.Bc1 Ne5 3.Bxh6 Rxb3 4.Bxf8 g5 5.Nf5 Rxg2+ 6.Kxg2 gxh4 7.Qc1 Qxf5 8.exf5 Rb2+ 9.Qxb2 -+ (-3.41) Depth: 14/34 00:01:06 33390kN 1...Nxc4 2.Bc1 Ne5 3.Bxh6 Rxb3 4.Bxf8 g5 5.Nf5 Rxg2+ 6.Kxg2 gxh4 7.Qc1 Qxf5 8.exf5 Nd3 9.Bxd6 -+ (-2.91) Depth: 14/36 00:01:15 38337kN 1...Nxc4 2.Bc1 g5 3.Rxh6 Bxh6 4.bxc4 Rb1 5.Nf5 Bf8 6.Qg3 Qxf6 7.e5 Qg6 8.exd6 Rxc1 9.Ne7+ Bxe7 10.dxe7 Rxf1+ -+ (-2.47) Depth: 14/40 00:02:34 77633kN 1...Nxc4 2.Bc1 g5 3.Bxg5 hxg5 4.Rh5 Ne5 5.Qe3 g4 6.Nf5 Ng6 7.Nh6+ Bxh6 8.Qxh6 Qxb3 9.Kh1 Qf3 10.gxf3 Rb1 11.Rxb1 -+ (-2.22) Depth: 15/38 00:04:10 123901kN 1...Nxc4 2.Bc1 g5 3.Bxg5 Ne5 4.Qc1 Rxb3 5.Bxh6 Ng6 6.Qg5 Rbb2 7.Kh1 Rxg2 8.Bxf8 Kxf8 9.Rh7 Ke8 10.Rg1 -+ (-2.16) Depth: 15/43 00:04:50 143575kN 1...g5 2.Rh5 Nxc4 3.Nf5 Rxb2 4.bxc4 R8b3 5.Qc1 Qxe4 6.Rxg5+ Kh7 7.Rg3 Rb1 8.Qxh6+ Bxh6 9.Rxb3 Rxb3 -+ (-2.17) Depth: 15/43 00:05:09 152933kN 1...g5 2.Rh5 Nxc4 3.Nf5 Rxb2 4.Qxc4 Qxc4 5.bxc4 Rc2 6.Nxh6+ Bxh6 7.Rxh6 Rbb2 8.g3 Rxc4 9.Rh5 Rxe4 10.Rxg5+ -+ (-2.33) Depth: 15/43 00:05:30 164013kN 1...g5 2.Rh5 Nxc4 3.Nf5 Rxb2 4.Qxc4 Qxc4 5.bxc4 Kh7 6.g4 Kg6 7.Rh3 Re2 8.Re3 Rc2 9.e5 -+ (-2.58) Depth: 16/37 00:06:35 195571kN 1...g5 2.Rh5 Nxc4 3.Nf5 Rxb2 4.Qxc4 Qxc4 5.bxc4 Kh7 6.h4 Kg6 7.g4 Re2 8.hxg5 Rxe4 9.Nh4+ Kh7 10.gxh6 Rxg4+ 11.Kf2 Rf4+ -+ (-2.70) Depth: 16/37 00:07:32 224792kN 1...g5 2.Rh5 Nxc4 3.Nf5 Rxb2 4.Qxc4 Qxc4 5.bxc4 Kh7 6.h4 Kg6 7.g4 Re2 8.Ng3 Re3 9.Kf2 Rbb3 10.Nf5 Rxe4 11.hxg5 -+ (-2.91) Depth: 17/41 00:12:09 359213kN 1...g5 2.Rh5 Nxc4 3.Nf5 Rxb2 4.Qxc4 Qxc4 5.bxc4 Kh7 6.Rh3 Re2 7.Re3 Rc2 8.Ra3 Rxc4 9.Ra7 Rxe4 10.Rxc7 Kg6 -+ (-3.04) Depth: 18/50 00:27:38 809037kN (, 29.09.2003)
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