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Subject: Analysis Ruffian 2.1.0 and Shredder 8

Author: Kurt Utzinger

Date: 22:47:33 09/09/04

Go up one level in this thread


On September 10, 2004 at 01:46:16, Kurt Utzinger wrote:

>On September 09, 2004 at 13:55:00, Ingo Bauer wrote:
>
>>Hello
>>
>>Can somebody confirm that DF8 is really considering 29 ... b5 or was that a game
>>against a "strange" setting? After 4min and 4 sec DF8 decided to play b5? The
>>position is allready very difficult for Black but b5 is suicidal (because of Rd6
>>which might be a nice move to find).
>>
>>[D]4r1k1/p5p1/1pR1p2r/6N1/1q6/n2Q4/2P2PPP/3R2K1 b - -
>>
>>So b5 is an "avoid move"!
>>
>>[D]4r1k1/p5p1/2R1p2r/1p4N1/1q6/n2Q4/2P2PPP/3R2K1 w - -
>>
>>And here your engine has to find Rd6.
>>
>>Think about deleting all "learn values" out of the search for b5 if you analyse
>>the second position.
>>
>>For those who are interest in the complete game here are both PGNs.
>>
>>Bye Ingo
>>
>>[Event "Wertungspartie, 100m + 30s"]
>>[Site "Maschinenraum"]
>>[Date "2004.09.09"]
>>[Round "?"]
>>[White "Shredder 8"]
>>[Black "Deep Fritz 8"]
>>[WhiteElo "2647"]
>>[BlackElo "2611"]
>>[ECO "C18"]
>>[Result "1-0"]
>>
>>1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3
>>Ne7 7. Qg4 O-O 8. Bd3 Nbc6 9. Nf3 f5 10. exf6 Rxf6 11. Bg5
>>Rf7 12. Bxe7 Qxe7 13. Ng5 Rf6 14. Bxh7+ Kh8 15. Bd3 Kg8
>>16. Qh3 Rh6 17. Qe3 cxd4 18. cxd4 Nxd4 19. O-O Bd7 20. Rad1
>>Bb5 21. Bxb5 Nxb5 22. Rxd5 Nxa3 23. Rc5 b6 24. Rc6 Re8
>>25. Re1 Qb4 26. Ra1 Qa5 27. Rd1 Qb4 28. Qd3 b5 29. Rd6 Qf4
>>30. Rd8 Rf8 31. Rxf8+ Qxf8 32. Qd7 Rf6 33. Nxe6 1-0
>>
>>
>>
>>[Event "Wertungspartie, 100m + 30s"]
>>[Site "Maschinenraum"]
>>[Date "2004.09.09"]
>>[Round "?"]
>>[White "Shredder 8"]
>>[Black "Deep Fritz 8"]
>>[Result "1-0"]
>>[ECO "C18"]
>>[WhiteElo "2647"]
>>[BlackElo "2611"]
>>[Annotator ",IB"]
>>[PlyCount "65"]
>>[EventDate "2004.09.08"]
>>[TimeControl "6000+30"]
>>
>>1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {
>>[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Bb4 {[%emt 0:00:00]} 4. e5 {
>>[%emt 0:00:00]} c5 {[%emt 0:00:00]} 5. a3 {[%emt 0:00:00]} Bxc3+ {
>>[%emt 0:00:00]} 6. bxc3 {[%emt 0:00:00]} Ne7 {[%emt 0:00:00]} 7. Qg4 {
>>[%emt 0:00:00]} O-O {[%emt 0:00:00]} 8. Bd3 {[%emt 0:00:00]} Nbc6 {
>>[%emt 0:00:00]} 9. Nf3 {[%emt 0:00:00]} f5 {[%emt 0:00:00]} 10. exf6 {
>>[%emt 0:00:00]} Rxf6 {[%emt 0:00:00]} 11. Bg5 {[%emt 0:00:00]} Rf7 {
>>[%emt 0:00:00]} 12. Bxe7 {[%emt 0:00:00]} Qxe7 {[%eval 11,13] [%emt 0:01:10]}
>>13. Ng5 {[%eval 77,18] [%emt 0:03:21]} Rf6 {[%eval 25,15] [%emt 0:04:55]} 14.
>>Bxh7+ {[%eval 80,19] [%emt 0:00:04]} Kh8 {[%eval 30,15] [%emt 0:03:54]} 15. Bd3
>>{[%eval 72,19] [%emt 0:01:45]} Kg8 {[%eval 34,15] [%emt 0:05:30]} 16. Qh3 {
>>[%eval 72,18] [%emt 0:00:03]} Rh6 {[%eval 43,15] [%emt 0:03:52]} 17. Qe3 {
>>[%eval 58,19] [%emt 0:01:03]} cxd4 {[%eval 40,14] [%emt 0:02:18]} 18. cxd4 {
>>[%eval 38,20] [%emt 0:03:35]} Nxd4 {[%eval 38,15] [%emt 0:05:06]} 19. O-O {
>>[%eval 46,18] [%emt 0:02:41]} Bd7 {[%eval 37,14] [%emt 0:03:35]} 20. Rad1 {
>>[%eval 25,17] [%emt 0:03:56]} Bb5 {[%eval 52,14] [%emt 0:06:49]} 21. Bxb5 {
>>[%eval 69,18] [%emt 0:04:58]} Nxb5 {[%eval 67,15] [%emt 0:00:00]} 22. Rxd5 {
>>[%eval 100,18] [%emt 0:01:14]} Nxa3 {[%eval 70,15] [%emt 0:05:26]} 23. Rc5 {
>>[%eval 76,19] [%emt 0:00:00]} b6 {[%eval 81,14] [%emt 0:03:09]} 24. Rc6 {
>>[%eval 76,19] [%emt 0:00:33]} Re8 {[%eval 106,14] [%emt 0:07:06]} 25. Re1 {
>>[%eval 153,17] [%emt 0:03:10]} Qb4 {[%eval 117,13] [%emt 0:00:00]} 26. Ra1 {
>>[%eval 163,17] [%emt 0:02:34]} Qa5 {[%eval 125,13] [%emt 0:03:31]} 27. Rd1 {
>>[%eval 165,18] [%emt 0:22:49]} Qb4 {[%eval 190,14] [%emt 0:00:00]} 28. Qd3 {
>>[%eval 223,17] [%emt 0:04:01]} b5 {[%eval 182,13] [%emt 0:04:04]} 29. Rd6 {
>>[%eval 600,15] [%emt 0:03:14]} Qf4 {[%eval 458,13] [%emt 0:00:00]} 30. Rd8 {
>>[%eval 782,18] [%emt 0:06:19]} Rf8 {[%eval 694,16] [%emt 0:00:00]} 31. Rxf8+ {
>>[%eval 782,19] [%emt 0:04:33]} Qxf8 {[%eval 722,16] [%emt 0:01:49]} 32. Qd7 {
>>[%eval 936,18] [%emt 0:03:24]} Rf6 {[%eval 719,15] [%emt 0:00:00]} 33. Nxe6
>>{Deep Fritz 8 gibt auf  (Lag: Av=0.39s, max=5.8s) [%eval 936,19] [%emt
>>0:04:02]} 1-0


       Hi Ingo
       Do you think this is a good example? I very much doubt
       because Black has anyway a completely lost game and
       there is no way to save it. Below the analysis of
       Ruffian 2.1.0 and Shredder 8.
       Kurt

Ruffian 2.1.0  UCI1: (P4 1.8/64 MB hash, Arena 1.08)
 1   00:00  2.37   g6 Sxe6
 1   00:00  1.17   a5
 1   00:00  0.77   Df8
 1   00:00  0.74   De7
 2   00:00  0.84   De7 De3
 3   00:00  0.72   De7 De3 Sb5
 4   00:00  4.71   De7 Txe6 Dxe6 Sxe6 Thxe6 Dxa3
 4   00:00  2.17   Df8 Ta1 Th5 Txa3 Txg5 Txa7
 4   00:00  1.28   a5 Dg3 De7 De5
 4   00:00  1.25   Dh4 Dxa3 Dxh2+ Kf1 Dh1+ Ke2 Dxg2
 5   00:00  1.12   Dh4 Sf3 Db4 Tc7 a5
 6   00:00  1.58   Dh4 Sf3 Db4 Tc7 Sb5 Td7
 7   00:00  1.57   Dh4 Sf3 Da4 Dd7 Tf8 Sd4 e5
 8   00:00  1.84   Dh4 Sf3 Da4 Tc7 a5 Dc3 Tf6 Tdd7
 9   00:02  2.03   Dh4 Sf3 Da4 Tc7 a6 Dc3 Tf6 Tdd7 Th6
10+  00:06  2.38   Dh4
10   00:07  4.06   Dh4 Sf3 Da4 Tc7 a5 Ta1 Db4 Txa3 Db1+ Df1 Dxf1+ Kxf1 Td8
10   00:08  3.65   De7 Txe6 Dxe6 Sxe6 Thxe6 Kf1 Sxc2 Dxc2 a5 Dc4 Kh7
10   00:10  3.02   Df8 Tc3 Th5 h4 Sxc2 Txc2 Txh4 Te1 Df6 Dd7 Td8 Dxe6+ Dxe6 Sxe6
10   00:12  2.79   a5 Dd7 Df8 Tc3 Te7 Da4 b5 Dxa5 Th5 Tf3
10   00:17  2.36   Sb5 g3 Sa3 Dd7 Df8 Dxa7 Tg6 f4 b5 Dd7
10   00:21  2.30   b5 Ta6 De7 Txa3 Dxg5 Txa7 De5 h3 Tc8 Tda1
11   00:32  2.26   b5 Dd7 Df8 Td3 Tf6 Dxa7 Ta8 Dd7 Sc4 Sxe6 Ta1+ Td1 Txd1+ Dxd1
De7
11   00:43  2.17   Df8 Tc3 Th5 f4 Dxf4 Sh3 Txh3 Dxh3 Sc4 Tf3 De4 Dh5
12   01:20  2.04   Df8 h3 Df5 Txe6 Tf8 Dxa3 Txe6 Sxe6 Dxe6 Dxa7 De2 Da2+ Kh7 Tf1
13+  02:03  2.39   Df8
13   02:13  2.70   Df8 Tc3 Th5 h4 Txh4 g3 Th5 f4 a5 Txa3 Dc5+ De3 Txg5 fxg5 Dxc2
13   03:58  2.26   b5 g3 Sc4 De4 De7 Txe6 Dxe6 Sxe6 Thxe6 Dd5 a6 Te1 Se5
14+  05:49  2.61   b5
14   06:52  2.61   b5 g3 Sc4 De4 De7 Txe6 Dxe6 Sxe6 Thxe6 Dd5 a5 Te1 Sb6 Dxe6+
Txe6 Txe6


Shredder 8  UCI1: (P4 1.8/64 MB hash, Arena 1.08)
 1   00:00  2.01   Df4 Dxa3 Dxg5 Dxa7
 1-  00:00  1.86   Kh8 Txe6 Texe6 Sxe6
 1   00:00  1.50   Kh8 Txe6 Texe6 Sxe6 Txe6
 2+  00:00  1.78   Kh8 Tc7
 2+  00:00  2.32   Kh8 Sf7+ Kg8 Sxh6+ gxh6
 2   00:00  4.15   Kh8 Sf7+ Kg8 Sxh6+ gxh6
 2-  00:00  4.14   Df4 Dh7+ Txh7
 2-  00:00  3.79   Df4 Dh7+ Txh7
 2   00:00  2.01   Df4 Dxa3 Dxg5 Dxa7
 2-  00:00  2.00   a5 Dh7+ Txh7
 2   00:00  1.99   a5 Dd7
 3-  00:00  1.74   a5 Db3 Dxb3
 3   00:00  1.61   a5 c4 b5 cxb5 Sxb5
 3-  00:00  1.60   Dg4 Dg6 Txg6
 3   00:00  1.47   Dg4 Dd7 Te7
 4+  00:00  1.72   Dg4 Dd7 Dxg2+ Kxg2 Txh2+ Kxh2
 4   00:00  1.93   Dg4 Dd7 Tf8 Sxe6
 4   00:00  1.92   a5 c4 b5 Dd7
 4-  00:00  1.91   Df4 Sxe6 Texe6 Dh7+ Kxh7
 4   00:00  1.70   Df4 Dxa3 Dxh2+ Kf1 Dh1+ Ke2 Dxg2
 5   00:00  1.51   Df4 Dxa3 Dxg5 Dxa7 Df4
 6+  00:00  1.76   Df4 Sf3 Sc4 Txc4 Kh8 Txf4
 6   00:00  1.89   Df4 Sf3 Da4 Tc7 Kh8 Dc3
 7   00:00  1.82   Df4 Sf3 Da4 Tc7 Kh8 Ta1 Df4 Txa7
 7-  00:00  1.81   a5 c4 Db2 Dd8 Tf8 Df6 Tfxf6 Td8+ Tf8
 7   00:00  1.53   a5 Dd7 Df8 Txb6 Sxc2 Sxe6 Df7
 8   00:00  1.63   a5 Dd7 Df8 c4 Tg6 Txe6 Tgxe6 Sxe6
 9   00:01  1.59   a5 Dd7 Df8 c4 Tf6 Txe6 Tfxe6 Sxe6 De7
10+  00:02  1.84   a5 c4 Db2 Tc8 Txc8 Dd8+ Txd8 Txd8+
10   00:03  2.33   a5 c4 a4 Tc7 Sxc4 Txc4 Da5 Dd7
10-  00:03  2.32   Sb5 Dd7 Df8 Txe6 Thxe6 Sxe6 Df7 Dxb5 Txe6 De8+ Dxe8
10-  00:04  1.97   Sb5 Dd7 Df8 Txe6 Thxe6 Sxe6 Df7 Td3 Dxe6 Dxg7+ Kxg7
10   00:04  1.97   Sb5 c4 Sc3 Te1 Kh8 Sf7+ Kg8 Sxh6+ gxh6 Tcxe6 De7 Txe7
11   00:09  2.20   Sb5 h3 Tf8 Txe6 Th4 Dd7 Thf4 Te7 T4f7 Sxf7 De1+ Tdxe1
11-  00:10  2.19   a5 c4
11   00:10  2.19   a5 c4 Sxc4 Txc4 Tf8 Txb4 Txf2 Kxf2
12   00:18  1.96   a5 c4 Df8 Sh3 Th4 Ta1 Td8 Txa3 Txd3 Txa5 bxa5
12-  00:26  1.95   Df8 Td6 Df4 Dxa3 Dxg5 Dxa7 Tc8 T1d2 Df4 Td8+ Txd8 Dxg7+ Kxg7
12   00:33  1.95   Df8 h3 Df4 Sf3 Da4 Tc7 Th7 Se5 Dxc2 Txc2
13   00:42  2.18   Df8 h3 b5 Tc7 Te7 Txe7 Kh8 Dxa3 Dxf2+ Kxf2 Tf6+
14   01:13  2.30   Df8 h3 a6 Dxa6 Tg6 h4 b5 Td7 Db4 Tc8 Tf8 Txf8+ Dxf8 c3 b4
15+  02:08  2.55   Df8 Tc7 a5 Tf7 Dc5 Dd7 Tc8 Sxe6 Dxf2+ Kxf2 Tf6+ Txf6 Sxc2
15+  02:17  3.05   Df8 Tc7 a5 Tf7 Dc5 Dd7 Tc8 Sxe6 Dxf2+ Kxf2 Tf6+ Txf6 Sxc2
Dxc8+
15   04:46  3.25   Df8 Tc7 Df4 Dd7 Dxh2+ Kf1 Dh1+ Ke2 Dh5+ f3 Dxg5 Dxe8+ Kh7
Txg7+ Dxg7 Td7 Tg6 Txg7+ Txg7 Da4 Sb1 Da1 Txg2+ Ke3 Tg1 Dxa7+ Kg6 Dxb6
15-  05:35  3.24   Sb5 h3 Tf8 Sxe6 Sc3 Sxf8 Txc6 Dh7+ Kxf8 Dh8+ Ke7 Dxg7+ Ke8
Dg8+ Ke7
15-  05:59  2.89   Sb5 h3 a6 Dd7 Df8 Txb6 Te7 Sf7 Txd7 Txd7 Dxf7 Txe6
15   06:30  2.06   Sb5 h3 a6 Dd7 Df8 Txb6 Sc3 Td2 a5 Ta6 a4 Dd3 Df6







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