Author: Chessfun
Date: 05:55:57 09/15/02
Go up one level in this thread
On September 15, 2002 at 07:59:42, Rolf Tueschen wrote: >From the Macheide XP tuning games of Thorsten I found the following game. NB >that I did _not_ select the game. It was the first I played. Now I will take a >closer look. > >The game [read the article in Computerschachwelt]: > >Shredder 6 - XP Machëide x2cou_51 >40 Moves in 120 min; 20 Moves in 60 min auto232 match, 400mhz (3), 13.09.2002 > >1.d4 book 0s 1...Nf6 1:27m 2.c4 book 0s 2...e6 5s 3.Nc3 book 0s 3...Bb4 2s 4.e3 >book 0s 4...0-0 3s 5.Bd3 book 0s 5...d5 3s 6.cxd5 book 0s 6...exd5 2s 7.Nge2 >book 0s 7...Re8 2s 8.0-0 book 0s 8...Bd6 3s 9.f3 book 0s 9...c5 2s 10.Qe1 book >0s 10...Nc6 3s 11.Qh4 book 0s 11...Be7 4s 12.dxc5 -0.15/13 10:06m 12...Bxc5 >5:30m 13.Nd4 -0.15/13 0s 13...Bd7 3:37m (Ne5) 14.Nxd5 -0.03/13 9:32m 14...Nxd5 >43s 15.Qxh7+ -0.01/13 3:47m 15...Kf8 6s 16.Qh8+ -0.37/13 7:09m 16...Ke7 4s >17.Qxg7 -1.08/12 5:04m 17...Rg8 8:11m 18.Qh7 -1.64/12 0s 18...Nxd4 15:04m >19.exd4 -1.73/13 0s 19...Bxd4+ 2:25m 20.Kh1 -1.73/13 0s 20...Be6 5:47m 21.Re1 >-1.88/11 5:58m 21...Kd6 5s (Qb6) 22.Qe4 -1.70/11 6:51m 22...Qf6 4s 23.Rf1 >-3.51/9 12:55m 23...Rxg2 4:02m 24.Kxg2 -9.03/11 7:48m 24...Rg8+ 4s 0-1 > >Now my questions: > >1. Could someone tell me where exactly the books end? 11...Be7 is the last book move. >2. Also could someone explain why Rebel played his book moves with different >times? Autoplayer lag, in DOS it happens. >3. As a general question, does someone know if besides book cooking there can be >operator or tester tuning and if yes please with an example? Naturally it's possible in theory to play through a few lines and see how any program would proceed. Note; I am not saying in this case that happened. >4. In my eyes we have a book cooking in the example above. Shredder ends with >Qh4, is that right? Yes Qh4 is last book move. >5. The cook is Be7, right? Be7 is the last Rebel book move. It's also a book move for many other programs. Simply look at Fritz 7.ctg and look at blacks score with this move. >6. Look at the position after 13...Bd7. Could I give you this position to be >examined with your favorite progs? Who plays Nxd5? I already checked that FRITZ How long did you check with Fritz for? and what version? Takes Fritz 7 a fair time to get off Nxd5 on my PC AMD @1400 mhz. r2qr1k1/pp1b1ppp/2n2n2/2bp4/3N3Q/2NBPP2/PP4PP/R1B2RK1 w - - 0 1 Analysis by Fritz 7: 14.Nxd5 = (0.19) Depth: 8/26 00:00:00 299kN 14.Nxd5-- = (-0.09) Depth: 9/29 00:00:00 548kN 14.Nxd5 Nxd5 15.Qxh7+ Kf8 16.Qh8+ Ke7 17.Qxg7 Rg8 18.Nxc6+ Bxc6 19.Qh6 = (-0.19) Depth: 9/29 00:00:01 791kN 14.Rd1! = (0.00) Depth: 9/33 00:00:06 4138kN 14.Rd1 h6 15.Kh1 Nxd4 16.exd4 Bd6 17.Nb5 Bb8 = (-0.12) Depth: 9/33 00:00:07 5039kN 14.Rd1 h6 15.Na4 Be7 16.Nf5 Ne5 17.Nxe7+ Qxe7 18.Nc3 Nxd3 19.Rxd3 Qe5 = (-0.19) Depth: 10/28 00:00:15 10129kN 14.Rd1 h6 15.Kh1 Rc8 16.Nf5 Ne5 17.Bc2 Nc4 18.Nxd5 Nxd5 = (-0.22) Depth: 11/30 00:00:36 24384kN 14.Nxd5! = (-0.19) Depth: 11/30 00:00:38 25868kN 14.Nxd5 Nxd5 15.Qxh7+ Kf8 16.Qh8+ Ke7 17.Qxg7 Rg8 18.Qh7 Kf8 19.Qh6+ Ke8 20.Nxc6 Bxc6 = (-0.06) Depth: 11/32 00:00:39 27029kN 14.Nxd5 Nxd5 15.Qxh7+ Kf8 16.Qh8+ Ke7 17.Qxg7 Rg8 18.Qh7 Qb6 19.Bc4 Bxd4 20.Bxd5 = (-0.09) Depth: 12/34 00:00:55 37871kN 14.Nxd5-- ³ (-0.37) Depth: 13/40 00:01:42 69562kN 14.Nxd5 ³ (-0.37) Depth: 13/40 00:01:54 78003kN 14.a3! ³ (-0.34) Depth: 13/40 00:02:19 95976kN (, MyTown 15.09.2002) Shredder 6 also plays Nxd5 as it did in the game. r2qr1k1/pp1b1ppp/2n2n2/2bp4/3N3Q/2NBPP2/PP4PP/R1B2RK1 w - - 0 1 Analysis by Shredder 6: 14.Nxd5 Nxd5 15.Qxh7+ Kf8 16.Qh8+ Ke7 17.Qxg7 Qb6 18.Qg5+ Nf6 19.Nf5+ Bxf5 20.Qxf5 ± (1.22) Depth: 7/14 00:00:00 202kN 14.Nxd5 Nxd5 15.Qxh7+ Kf8 16.Qh8+ Ke7 17.Qxg7 Qb6 18.Qg5+ Nf6 19.Nf5+ Bxf5 20.Qxf5 Bxe3+ 21.Bxe3 Qxe3+ 22.Kh1 ± (0.97) Depth: 8/16 00:00:01 279kN 14.Nxd5 Nxd5 15.Qxh7+ Kf8 16.Qh8+ Ke7 17.Qxg7 Qb6 18.Re1 Ncb4 19.Be4 Qf6 20.Qxf6+ Kxf6 ± (0.77) Depth: 8/16 00:00:01 381kN 14.Nxd5 Nxd5 15.Qxh7+ Kf8 16.Qh8+ Ke7 17.Qxg7 Qb6 18.Qg5+ Nf6 19.Nxc6+ bxc6 20.Rd1 ± (1.02) Depth: 9/18 00:00:02 604kN 14.Nxd5 Nxd5 15.Qxh7+ Kf8 16.Qh8+ Ke7 17.Qxg7 Qb6 18.Qg5+ Nf6 19.Nxc6+ Qxc6 20.Be4 Qc7 21.Bxb7 ± (1.38) Depth: 9/18 00:00:03 869kN 14.Nxd5 Nxd5 15.Qxh7+ Kf8 16.Qh8+ Ke7 17.Qxg7 Nf6 18.Bc4 Nxd4 19.Qxf7+ Kd6 20.Kh1 Rf8 21.exd4 Rxf7 22.Bxf7 ± (1.13) Depth: 10/20 00:00:04 1136kN 14.Nxd5 Nxd5 15.Qxh7+ Kf8 16.Qh8+ Ke7 17.Qxg7 Nf6 18.Nb3 Bd6 19.Bd2 ± (1.05) Depth: 10/20 00:00:06 1525kN 14.Nxd5 Nxd5 15.Qxh7+ Kf8 16.Qh8+ Ke7 17.Qxg7 Rg8 18.Nxc6+ Bxc6 19.Qe5+ Kf8 20.Bd2 Qb6 21.Kh1 Nxe3 22.Bxe3 Bxe3 ± (0.80) Depth: 11/22 00:00:09 2421kN 14.Nxd5 Nxd5 15.Qxh7+ Kf8 16.Qh8+ Ke7 17.Qxg7 Rg8 18.Nxc6+ Bxc6 19.Qe5+ Kf8 20.Bd2 Qb6 21.Be4 Nxe3 ² (0.30) Depth: 11/22 00:00:11 3026kN 14.Nxd5 Nxd5 15.Qxh7+ Kf8 16.Qh8+ Ke7 17.Qxg7 Rg8 18.Qh6 Nxd4 19.exd4 Bxd4+ 20.Kh1 Qb6 21.Re1+ Kd8 22.Qh5 Be6 ² (0.28) Depth: 11/22 00:00:16 4178kN 14.Nxd5 Nxd5 15.Qxh7+ Kf8 16.Qh8+ Ke7 17.Qxg7 Rg8 18.Qh6 Nxd4 19.exd4 Bxd4+ 20.Kh1 Qb6 21.Re1+ Be6 22.Bg5+ Nf6 23.Rab1 Rae8 = (0.18) Depth: 12/24 00:00:36 9454kN 14.Nxd5 Nxd5 15.Qxh7+ Kf8 16.Qh8+ Ke7 17.Qxg7 Rg8 18.Qh6 Nxd4 19.exd4 Bxd4+ 20.Kh1 Qb6 21.Re1+ Be6 22.Bf5 Rae8 23.Bg5+ Bf6 = (-0.03) Depth: 13/26 00:01:27 22419kN Note in the game Shredder went to depth 13 in 9:32 but the PC used was much slower. >7 does not play Nxd5. It's clear that Black gets a tempo with Rg8 and then can >take on d4. Ok agreed but Shredder plays Nxd5 so what would you have him do? >7. Could someone explain how K-safety could be involved in this special game? >Black takes he risk of a wandering K to d6 and White is "safe" behind his pawns. >Why Shredder, the multi-time Wch cannot see that the open g-file brings storm >for his K? Shredder plays the moves shown, it's a book line in which it ends playing a poor move on a slow PC. Sarah.
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