Author: irawan
Date: 20:47:20 07/08/01
Go up one level in this thread
On July 08, 2001 at 04:22:41, Uri Blass wrote:
>On July 08, 2001 at 00:50:23, Uri Blass wrote:
>
>>On July 07, 2001 at 14:46:42, Eduard Nemeth wrote:
>>
>>>On July 07, 2001 at 14:07:04, Chessfun wrote:
>>>
>>>>On July 07, 2001 at 14:02:22, Chessfun wrote:
>>>>
>>>>>On July 07, 2001 at 13:51:55, Uri Blass wrote:
>>>>>
>>>>>>On July 07, 2001 at 13:11:48, Eduard Nemeth wrote:
>>>>>>
>>>>>>>On July 07, 2001 at 09:44:08, Martin Müller wrote:
>>>>>>>
>>>>>>>>Hi all,
>>>>>>>>
>>>>>>>>It is quite sad to see a famous program as DJ7 to loose that _way_. Not the loss
>>>>>>>>is important. But how it looses. The evalutaion differed up to 3 or more pawns
>>>>>>>>against several reputated programs. It makes me think that the evaluation of the
>>>>>>>>program is not quite correct. Just see that:
>>>>>>>>
>>>>>>>>{\rtf1\ansi\deff0{\fonttbl{\f0\froman FigurineCB AriesSP;}{\f1\fnil
>>>>>>>>DiagramTTFritz;}}{\info{\author
>>>>>>>>Müller,Martin}{\creatim\yr2001\mo7\dy7\hr15\min38}}\fs20 {\pard \ql {\b \fs24
>>>>>>>>(455) Deep Shredder,G - Deep Junior 7 [E48]\par}{\plain \fs20 Level=Blitz:60'.
>>>>>>>>Z\'FCrich, 07.07.2001\par}}{\qj {\b {\plain \fs20 716MB, j7book.ctg. LINKS
>>>>>>>> }1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 Nc6 6.Nge2 cxd4 7.exd4 d5 8.cxd5 Nxd5
>>>>>>>>9.0\'960 0\'960 10.Nxd5 Qxd5 11.a3 Be7 12.Be3 Rd8 13.Nc3 Qd7 {\plain \fs20
>>>>>>>>0.10/16 2:34 }14.Qc2 Nxd4 {\plain \fs20 0.33/18 1:47 }15.Bxh7+ Kh8 {\plain
>>>>>>>>\fs20 0.37/19 1:58 }16.Bxd4 Qxd4 {\plain \fs20 0.48/17 51 }17.Rad1 Qh4
>>>>>>>>{\plain \fs20 0.43/17 2:10 }18.Be4 Bd7 {\plain \fs20 0.52/17 2:16 }19.Rd3
>>>>>>>>e5 {\plain \fs20 0.00/17 5 }20.Bxb7 Rab8 {\plain \fs20 0.36/15 49 }21.Be4
>>>>>>>>g6 {\plain \fs20 0.39/16 1:25 }22.b4 Be6 {\plain \fs20 0.44/16 2:00
>>>>>>>>}23.Nd5 Bd6 {\plain \fs20 0.52/14 1:08 }24.Rfd1 Rdc8 {\plain \fs20 0.57/16
>>>>>>>>2:34 }25.Qe2 Kg7 {\plain \fs20 0.72/16 1:50 }26.g3 Qh8 {\plain \fs20
>>>>>>>>0.87/16 40 }27.Qe3 Bg4 {\plain \fs20 1.08/16 3:24 }28.Re1 Bh3 {\plain \fs20
>>>>>>>> 1.24/17 1:39 }29.Qxa7 Qf8 {\plain \fs20 1.30/17 1:52 }30.Qe3 Rd8 {\plain
>>>>>>>>\fs20 1.29/16 1:55 }31.Red1 Qe8 {\plain \fs20 1.30/16 1:30 }32.Bf3 Qe6
>>>>>>>>{\plain \fs20 1.40/16 55 }33.Nc3 Bc7 {\plain \fs20 1.11/16 48 }34.Rxd8
>>>>>>>>Bxd8 {\plain \fs20 0.00/18 5 }35.Nd5 Qf5 {\plain \fs20 1.37/18 2:36 }36.a4
>>>>>>>>Bg5 {\plain \fs20 1.42/17 2:34 }37.Qe2 Rc8 {\plain \fs20 1.50/17 1:01
>>>>>>>>}38.a5 Rc2 {\plain \fs20 1.98/18 5 }39.Ne3 Bxe3 {\plain \fs20 0.00/19 5
>>>>>>>>}40.Qxe3 Ra2 {\plain \fs20 0.00/18 5 }41.Bd5 Ra4 {\plain \fs20 0.00/18 5
>>>>>>>>}42.Qc3 Qh5 {\plain \fs20 2.07/16 10 }43.Re1 Qf5 {\plain \fs20 0.00/18 6
>>>>>>>>}44.Bb3 Ra3 {\plain \fs20 2.27/17 41 }45.Qb2 Qf3 {\plain \fs20 2.40/18 3:06
>>>>>>>> }46.Qxe5+ Qf6 {\plain \fs20 #1/20 5 }47.Qxf6+ Kxf6 {\plain \fs20 #1/21 6
>>>>>>>>}48.Bd5 Bd7 {\plain \fs20 2.48/21 5 }49.f4 Bb5 {\plain \fs20 2.32/17 30
>>>>>>>>}50.Rc1 Ke7 {\plain \fs20 2.68/18 26 }51.Kf2 Ra4 {\plain \fs20 2.37/17 43
>>>>>>>>}52.Re1+ Kf6 {\plain \fs20 2.37/18 44 }53.Rb1 Ke7 {\plain \fs20 0.00/21 5
>>>>>>>>}54.Ke3 f6 {\plain \fs20 2.69/18 1:27 }55.Kd4 Kd6 {\plain \fs20 2.80/21 5
>>>>>>>>}56.Bf7 g5 {\plain \fs20 2.62/17 33 }57.h4 gxh4 {\plain \fs20 2.62/16 29
>>>>>>>>}58.gxh4 Ra3 {\plain \fs20 0.00/21 5 }59.Bb3 Bd7 {\plain \fs20 0.00/21 5
>>>>>>>>}60.h5 Bf5 {\plain \fs20 3.19/21 5 }61.Rb2 Kc7 {\plain \fs20 0.00/20 5
>>>>>>>>}62.h6 Kb8 {\plain \fs20 3.54/18 1:00 }63.Bd5 Kc7 {\plain \fs20 0.00/19 5
>>>>>>>>}64.Rb3 Ra1 {\plain \fs20 0.00/21 5 }65.Rc3+ Kb8{\plain \fs20 4.40/18 3 }
>>>>>>>>1\'960}\par \par}\par}
>>>>>>>>
>>>>>>>>Deep Shredder,G - Deep Junior 7 [E48]
>>>>>>>>Level=Blitz:60'. Zürich, 07.07.2001
>>>>>>>>
>>>>>>>> 716MB, j7book.ctg. LINKS
>>>>>>>> 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 Nc6 6.Nge2 cxd4 7.exd4 d5 8.cxd5 Nxd5
>>>>>>>>9.0-0 0-0 10.Nxd5 Qxd5 11.a3 Be7 12.Be3 Rd8 13.Nc3 Qd7 0.10/16 2:34 14.Qc2
>>>>>>>>Nxd4 0.33/18 1:47 15.Bxh7+ Kh8 0.37/19 1:58 16.Bxd4 Qxd4 0.48/17 51
>>>>>>>>17.Rad1 Qh4 0.43/17 2:10 18.Be4 Bd7 0.52/17 2:16 19.Rd3 e5 0.00/17 5
>>>>>>>>20.Bxb7 Rab8 0.36/15 49 21.Be4 g6 0.39/16 1:25 22.b4 Be6 0.44/16 2:00
>>>>>>>>23.Nd5 Bd6 0.52/14 1:08 24.Rfd1 Rdc8 0.57/16 2:34 25.Qe2 Kg7 0.72/16
>>>>>>>>1:50 26.g3 Qh8 0.87/16 40 27.Qe3 Bg4 1.08/16 3:24 28.Re1 Bh3 1.24/17
>>>>>>>>1:39 29.Qxa7 Qf8 1.30/17 1:52 30.Qe3 Rd8 1.29/16 1:55 31.Red1 Qe8
>>>>>>>>1.30/16 1:30 32.Bf3 Qe6 1.40/16 55 33.Nc3 Bc7 1.11/16 48 34.Rxd8 Bxd8
>>>>>>>>0.00/18 5 35.Nd5 Qf5 1.37/18 2:36 36.a4 Bg5 1.42/17 2:34 37.Qe2 Rc8
>>>>>>>>1.50/17 1:01 38.a5 Rc2 1.98/18 5 39.Ne3 Bxe3 0.00/19 5 40.Qxe3 Ra2
>>>>>>>>0.00/18 5 41.Bd5 Ra4 0.00/18 5 42.Qc3 Qh5 2.07/16 10 43.Re1 Qf5 0.00/18
>>>>>>>> 6 44.Bb3 Ra3 2.27/17 41 45.Qb2 Qf3 2.40/18 3:06 46.Qxe5+ Qf6 #1/20 5
>>>>>>>>47.Qxf6+ Kxf6 #1/21 6 48.Bd5 Bd7 2.48/21 5 49.f4 Bb5 2.32/17 30 50.Rc1
>>>>>>>>Ke7 2.68/18 26 51.Kf2 Ra4 2.37/17 43 52.Re1+ Kf6 2.37/18 44 53.Rb1 Ke7
>>>>>>>>0.00/21 5 54.Ke3 f6 2.69/18 1:27 55.Kd4 Kd6 2.80/21 5 56.Bf7 g5 2.62/17
>>>>>>>> 33 57.h4 gxh4 2.62/16 29 58.gxh4 Ra3 0.00/21 5 59.Bb3 Bd7 0.00/21 5
>>>>>>>>60.h5 Bf5 3.19/21 5 61.Rb2 Kc7 0.00/20 5 62.h6 Kb8 3.54/18 1:00 63.Bd5
>>>>>>>>Kc7 0.00/19 5 64.Rb3 Ra1 0.00/21 5 65.Rc3+ Kb8 4.40/18 3 1-0
>>>>>>>>
>>>>>>>>Or
>>>>>>>>
>>>>>>>>Century 3 viz Deep Junior 7
>>>>>>>>
>>>>>>>>1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Bd3 Nc6 6.Ng-e2 cxd4 7.exd4 d5 8.cxd5 Nxd5
>>>>>>>>9.O-O O-O 10.Nxd5 Qxd5 11.a3 Be7 12.Be3 Rd8 13.Nc3 Qd7 14.Qc2 Nxd4 15.Bxh7+ Kh8
>>>>>>>>16.Bxd4 Qxd4 17.Ra-d1 Qh4 18.Be4 Bd7 19.Rd3 e5 20.Bxb7 Ra-b8 21.Be4 g6 22.b4 Be6
>>>>>>>>23.Nd5 Bd6 24.Rf-d1 Rd-c8 25.Qe2 Kg7 26.g3 Qh8 27.Qe3 Bg4 28.Re1 Bh3 29.Qxa7 Qf8
>>>>>>>>30.Qe3 Rc-d8 31.Re-d1 Qe8 32.Bf3 Qe6 33.Nc3 Bc7 34.Rd3xd8 Bxd8 35.Nd5 Qf5 36.a4
>>>>>>>>Bg5 37.Qe2 Rc8 38.a5 Rc2 39.Ne3 Bxe3 40.Qxe3 Ra2 41.Bd5 Ra4 42.Qc3 Qh5 43.Re1
>>>>>>>>Qf5 44.Bb3 Ra3 45.Qb2 Qf3 46.Qxe5+ Qf6 47.Qxf6+ Kxf6 48.Bd5 Bd7 49.f4 Bb5 50.Rc1
>>>>>>>>Ke7 51.Kf2 Ra4 52.Re1+ Kf6 53.Rb1 Ke7 54.Ke3 f6 55.Kd4 Kd6 56.Bf7 g5 57.h4 gxh4
>>>>>>>>58.gxh4 Ra3 59.Bb3 Bd7 60.h5 Bf5 61.Rb2 Kc7 62.h6 Kb8 63.Bd5 Kc7 64.Rb3 Ra1
>>>>>>>>65.Rc3+ Kb8 66.Rc6 Resigns
>>>>>>>>
>>>>>>>>
>>>>>>>>Century 3 on a mûch slower 1 processor computer.
>>>>>>>>
>>>>>>>>
>>>>>>>>DJ7 does not see the problems it seems. What is wrong with DJ7?
>>>>>>>>
>>>>>>>>Regards
>>>>>>>>Martin
>>>>>>>
>>>>>>>Hello all!
>>>>>>>
>>>>>>>(I play too by this tournament with Nimzo 8x)
>>>>>>>
>>>>>>>I cannot some moves from Dj7 understand!
>>>>>>>
>>>>>>>In first game against Century x, was the theoretical move 12.e4 an "bad move".
>>>>>>>Stronger for withe is 12.Ne4! After 12.e4 e5! have black a better chance!
>>>>>>>
>>>>>>>In game 2 I can with all my programs move 18...Bd7? not find! It was a bad move
>>>>>>>too! Better was 18...f5 or Bd6, or not?
>>>>>>>
>>>>>>>Have somebody Dj7 and can post a analysis by Dj7 in this position:
>>>>>>>
>>>>>>>[D]r1br3k/pp2bpp1/4p3/8/4B2q/P1N5/1PQ2PPP/3R1RK1 b - - 0 18
>>>>>>>
>>>>>>>Thanks,
>>>>>>>Eduard
>>>>>>
>>>>>>Here is some analysis of Junior7 on a slow p200(I told it time control of 10
>>>>>>hours/40 moves)
>>>>>>
>>>>>>blass,u - Junior 7
>>>>>>r1br3k/pp2bpp1/4p3/8/4B2q/P1N5/1PQ2PPP/3R1RK1 b - - 0 1
>>>>>>
>>>>>>Analysis by Junior 7:
>>>>>>
>>>>>>1...Bd6 2.h3
>>>>>> = (-0.24) Depth: 3 00:00:00
>>>>>>1...Bd6 2.h3
>>>>>> = (-0.24) Depth: 3 00:00:00
>>>>>>1...Bd6 2.g3 Qh5 3.Rfe1 Qh3
>>>>>> = (-0.02) Depth: 6 00:00:00 14kN
>>>>>>1...Bd6 2.g3
>>>>>> ² (0.28) Depth: 9 00:00:01 111kN
>>>>>>1...Rxd1 2.Rxd1 a5 3.g3 Qh3 4.Bg2 Qh5 5.Rd4
>>>>>> ² (0.26) Depth: 9 00:00:02 234kN
>>>>>>1...Rxd1 2.Rxd1 f5 3.Rd3 Qf6 4.Rh3+ Kg8 5.Bf3 Qd4 6.Ne2 Qd6
>>>>>> ² (0.51) Depth: 12 00:00:10 1369kN
>>>>>>1...Bd6 2.g3 Qh5 3.Rd3 a5 4.Qd1 Qxd1 5.Rfxd1 Ra6 6.Rd4
>>>>>> = (0.19) Depth: 12 00:00:24 3413kN
>>>>>>1...Bd6 2.g3
>>>>>> ² (0.49) Depth: 15 00:02:57 24328kN
>>>>>>1...Bd7 2.Bxb7 Rab8 3.Be4 g6 4.g3 Qh3 5.Bg2 Qh5 6.Rfe1
>>>>>> ² (0.34) Depth: 15 00:03:31 28960kN
>>>>>>1...Bd7 2.Rd3 e5 3.Rf3 Bf6 4.Bxb7 Rab8 5.Bd5 Bg4 6.Rg3 Kg8 7.Qg6
>>>>>> ² (0.52) Depth: 17 00:11:40 90481kN
>>>>>>1...Bd6 2.g3 Qh5 3.Rd3 Qe5 4.Rfd1 a5 5.h4 Ra6 6.Re3 Qc5
>>>>>> ² (0.49) Depth: 17 00:16:15 122109kN
>>>>>>
>>>>>>(blass, tel-aviv 07.07.2001)
>>>>>>
>>>>>>It means that Junior7 at tournament time control on faster hardware can probably
>>>>>>avoid Bd7.
>>>>>
>>>>>
>>>>>Seems so.
>>>>>
>>>>>New position
>>>>>r1br3k/pp2bpp1/4p3/8/4B2q/P1N5/1PQ2PPP/3R1RK1 b - - 0 1
>>>>>
>>>>>Analysis by Junior 7:
>>>>>
>>>>>1...e5 2.Rxd8+ Bxd8
>>>>> = (0.12) Depth: 3 00:00:00
>>>>>1...Bd6 2.h3
>>>>> = (-0.24) Depth: 3 00:00:00
>>>>>1...Bd6 2.g3 Qh5 3.Rfe1 Qh3
>>>>> = (-0.02) Depth: 6 00:00:00 15kN
>>>>>1...Bd6 2.g3
>>>>> ² (0.28) Depth: 9 00:00:00 111kN
>>>>>1...Rxd1 2.Rxd1 a5 3.g3 Qh3 4.Bg2 Qh5 5.Rd4
>>>>> ² (0.26) Depth: 9 00:00:00 234kN
>>>>>1...Rxd1 2.Rxd1 f5 3.Rd3 Qf6 4.Rh3+ Kg8 5.Bf3 Qd4 6.Ne2 Qd6
>>>>> ² (0.51) Depth: 12 00:00:01 1369kN
>>>>>1...Bd6 2.g3 Qh5 3.Rd3 a5 4.Qd1 Qxd1 5.Rfxd1 Ra6 6.Rd4
>>>>> = (0.19) Depth: 12 00:00:04 3413kN
>>>>>1...Bd6 2.g3
>>>>> ² (0.49) Depth: 15 00:00:33 24311kN
>>>>>1...Bd7 2.Bxb7 Rab8 3.Be4 g6 4.g3 Qh3 5.Bg2 Qh5 6.Rfe1
>>>>> ² (0.34) Depth: 15 00:00:39 28943kN
>>>>>1...Bd7 2.Rd3 e5 3.Rf3 Bf6 4.Bxb7 Rab8 5.Bd5 Bg4 6.Rg3 Kg8 7.Qg6
>>>>> ² (0.52) Depth: 17 00:02:07 90466kN
>>>>
>>>>Missing line;
>>>>1...Bd6 2.g3 Qh5 3.Rd3 Qe5 4.Rfd1 a5 5.h4 Ra6 6.Re3 Qc5
>>>> ² (0.49) Depth: 17 00:02:52 122065kN
>>>>
>>>>>(Bird, Scarb 07.07.2001)
>>>>>
>>>>>
>>>>>>Note that Deep Junior could not see at depth 17 that Bd6 is 0.03 pawns better
>>>>>>than Bd7 based on the pgn that was posted so it seems that depth 17 of Junior7
>>>>>>is better than depth 17 of Deep Junior.
>>>>>
>>>>>In this position.
>>>>>
>>>>>Sarah.
>>>
>>>Thanks Sarah, thanks Uri!
>>>
>>>I wondering me. I think that Bd7 is a losing move.
>>>
>>>Here my analysis with Junior 6a on P600 with 64MB:
>>>
>>>Deep Shredder - Deep Junior 7/2x1Ghz
>>>r1br3k/pp2bpp1/4p3/8/4B2q/P1N5/1PQ2PPP/3R1RK1 b - - 0 1
>>>
>>>Analysis by Junior 6.0:
>>>
>>>18...Dxe4 19.Txd8+ Lxd8 20.Dxe4 Lc7
>>> +- (5.84) Tiefe: 3 00:00:00
>>>18...Ld6 19.g3 Dg5 20.Tfe1 e5
>>> = (-0.12) Tiefe: 6 00:00:00 14kN
>>>18...Ld6 19.g3 Dg5 20.Tfe1 e5
>>> = (-0.12) Tiefe: 6 00:00:00 14kN
>>>18...Ld6 19.g3 Dg5 20.Tfe1 e5
>>> = (-0.12) Tiefe: 6 00:00:00 14kN
>>>18...Ld6 19.g3 Dg5 20.Tfe1 e5
>>> = (-0.12) Tiefe: 6 00:00:00 14kN
>>>18...Ld6 19.g3 Dg5 20.Tfe1 e5
>>> = (-0.12) Tiefe: 6 00:00:00 14kN
>>>18...Ld6 19.g3 Dh5 20.h4 Tb8 21.Tfe1 Dc5
>>> = (0.04) Tiefe: 9 00:00:00 187kN
>>>18...Ld6 19.g3 Dh5 20.Td4 e5 21.Td3 a5 22.Tfd1 Ta6 23.Td5
>>> = (0.13) Tiefe: 12 00:00:05 2921kN
>>>18...Ld6 19.g3 Dg5 20.Dd2 De5 21.De2 Td7 22.Dg4 Kg8 23.Tfe1
>>> = (0.24) Tiefe: 14 00:00:30 16003kN
>>>18...Ld6 19.g3 Dg5 20.Dd2 De5 21.h4 Dc5 22.Tfe1 a5 23.Dg5 Td7 24.Dxc5 Lxc5
>>> = (0.20) Tiefe: 15 00:01:45 54436kN
>>>18...Ld6 19.g3 Dh5 20.Td2 Dc5 21.Tfd1 a5 22.Sb5 Dxb5 23.Txd6 Txd6 24.Txd6 e5
>>> ² (0.30) Tiefe: 16 00:03:39 109039kN
>>>18...a6 19.Txd8+ Lxd8 20.Td1 Lb6 21.Sa4 La7 22.g3 De7 23.Dd3
>>> ² (0.27) Tiefe: 16 00:05:12 157835kN
>>>18...a6 19.g3 Df6 20.Txd8+ Lxd8 21.Td1
>>> ² (0.36) Tiefe: 17 00:07:15 218824kN
>>>18...Ld6 19.g3 Dh5 20.Td2 Dc5 21.Tfd1 a5 22.Sb5 Dxb5 23.Dc7 Td7 24.Txd6 Df1+
>>>25.Kxf1 Txc7
>>> ² (0.32) Tiefe: 17 00:09:11 272000kN
>>>
>>>(Nemeth, Stuttgart 07.07.2001)
>>>
>>>Best Regards,
>>>Eduard
>>
>>Here is another try with Junior7 at slower time control on p200(24 hours for 10
>>moves)
>>
>>This time it wants to play 18...Bd7 after 4 hours inspite of the fact that the
>>score at depth 20 is even worse than the previous score (0.53 pawns for white
>>and not 0.52 for white).
>>
>>It did not finish iteration 20 at this time but it calculates Qf4 and it means
>>that it rejected all the moves except Qf4,Qg4 Kg8 so it is not going to play Bd6
>>or f5.
>>
>>It seems that Junior7 believes that there is a problem with these moves
>>and I will check what it is going to play after these moves later with better
>>hardware.
>>
>>
>>blass,u - Junior 7
>>r1br3k/pp2bpp1/4p3/8/4B2q/P1N5/1PQ2PPP/3R1RK1 b - - 0 1
>>
>>Analysis by Junior 7:
>>
>>1...e5 2.Rxd8+ Bxd8
>> = (0.12) Depth: 3 00:00:01
>>1...Bd6 2.h3
>> = (-0.24) Depth: 3 00:00:01
>>1...Bd6 2.g3 Qh5 3.Rfe1 Qh3
>> = (-0.02) Depth: 6 00:00:01 14kN
>>1...Bd6 2.g3
>> ² (0.28) Depth: 9 00:00:02 111kN
>>1...Rxd1 2.Rxd1 a5 3.g3 Qh3 4.Bg2 Qh5 5.Rd4
>> ² (0.26) Depth: 9 00:00:03 234kN
>>1...Rxd1 2.Rxd1 f5 3.Rd3 Qf6 4.Rh3+ Kg8 5.Bf3 Qd4 6.Ne2 Qd6
>> ² (0.51) Depth: 12 00:00:11 1369kN
>>1...Bd6 2.g3 Qh5 3.Rd3 a5 4.Qd1 Qxd1 5.Rfxd1 Ra6 6.Rd4
>> = (0.19) Depth: 12 00:00:25 3413kN
>>1...Bd6 2.g3
>> ² (0.49) Depth: 15 00:02:58 24330kN
>>1...Bd7 2.Bxb7 Rab8 3.Be4 g6 4.g3 Qh3 5.Bg2 Qh5 6.Rfe1
>> ² (0.34) Depth: 15 00:03:31 28963kN
>>1...Bd7 2.Rd3 e5 3.Rfd1 Bg4 4.Rxd8+ Bxd8 5.Re1 Bb6 6.Bxb7 Re8 7.Bd5 f6 8.Bf7
>> ² (0.46) Depth: 18 00:14:30 112119kN
>>1...Bd7 2.Rfe1 g6 3.Re3 Kg7 4.g3 Qg5 5.b4 Qh5 6.Qb2 Rac8 7.Bxb7
>> ² (0.53) Depth: 20 01:36:56 724693kN
>>
>>(blass, tel-aviv 08.07.2001)
>>
>>Uri
>
>Here is Junior7's opinion on p800 after 1...Bd6 2.g3
>
>10 hours/40 moves
>
>Blass,U - Junior 7
>r1br3k/pp3pp1/3bp3/8/4B2q/P1N3P1/1PQ2P1P/3R1RK1 b - - 0 1
>
>Analysis by Junior 7:
>
>2...Bxg3 3.fxg3 Qe7 4.Rxd8+ Qxd8 5.Rxf7
> +- (3.58) Depth: 3 00:00:01
>2...Qh5 3.b4 e5 4.Rfe1
> = (0.07) Depth: 6 00:00:01 9kN
>2...Qh5 3.b4 e5 4.Rfe1
> = (0.07) Depth: 6 00:00:01 9kN
>2...Qh5 3.b4 e5 4.Rfe1
> = (0.07) Depth: 6 00:00:01 9kN
>2...Qh5 3.b4 e5 4.Rfe1
> = (0.07) Depth: 6 00:00:01 9kN
>2...Qh5 3.b4 e5 4.Rfe1
> = (0.07) Depth: 6 00:00:01 9kN
>2...Qh5 3.b4 e5 4.Rfe1
> = (0.07) Depth: 6 00:00:01 9kN
>2...Qh5 3.h4 a5 4.a4 Qc5
> = (0.22) Depth: 9 00:00:01 100kN
>2...Qh5 3.Rd3 a5 4.Qd1 Qc5 5.b4 axb4 6.axb4 Qe5 7.Re1
> ² (0.26) Depth: 12 00:00:02 1074kN
>2...Qh5 3.Rd3 Qe5 4.Rfd1 a5 5.b4 axb4 6.axb4 f5 7.Bg2
> ² (0.44) Depth: 15 00:00:16 9585kN
>2...Qh5 3.Rd3 Be7 4.Rxd8+ Bxd8 5.Qa4
> ± (0.72) Depth: 18 00:02:54 94741kN
>2...Qg5 3.Bg2 Qa5 4.Ne4 Be7 5.b4 Qf5 6.Qc7 Re8 7.Nc5 a5 8.Rfe1 axb4 9.axb4
> ² (0.69) Depth: 18 00:06:59 243358kN
>2...Qg5 3.Bh1 Bc7 4.Rxd8+ Bxd8 5.Qa4 Qe7 6.Re1 a6 7.Qd4 Qf6 8.Qc5 Kg8 9.Qh5
> ± (0.80) Depth: 20 00:29:19 1030163kN
>2...Qh5 3.Rd3 Be7 4.Rxd8+ Bxd8 5.Qa4 f5 6.Bc6 Be7 7.Bf3 Qf7 8.Re1 f4 9.Qxf4 Qxf4
>10.gxf4 Bc5
> ± (0.73) Depth: 20 00:37:34 1321768kN
>
>(Blass, Tel-aviv 08.07.2001)
>
>The last main line have tactical mistakes
>
>6.Bc6 and 6...Be7 when 6...bxc6 is winning
>
>Junior cannot see from the root position that the line
>6.Bc6? bxc6 7.Qxc6? Rb8 8.Qd6 Bb7 9.Qxb8 Qf3 10.Qd8+ Kh7 11.Qh4+ Kg6 12.Ne4 Bxe4
>is winning for black.
>
>finding bxc6 is not a trivial problem for computers
>
>Blass,U - Junior 7
>r1bb3k/pp4p1/2B1p3/5p1q/Q7/P1N3P1/1P3P1P/5RK1 b - - 0 1
>
>Analysis by Deep Fritz:
>
>6...bxc6!
> µ (-1.22) Depth: 1/3 00:00:00
>6...bxc6! 7.Qxc6
> -+ (-2.28) Depth: 1/3 00:00:00
>6...bxc6 7.Qxc6
> -+ (-2.28) Depth: 2/3 00:00:00
>6...bxc6 7.Qxc6 Rb8
> -+ (-2.41) Depth: 3/10 00:00:00
>6...bxc6 7.Qxc6 Rb8 8.Rd1
> -+ (-2.19) Depth: 4/8 00:00:00
>6...bxc6--
> -+ (-1.78) Depth: 5/10 00:00:00 3kN
>6...bxc6-- 7.Qxc6 Rb8 8.Qd6 Bc7 9.Qxc7
> ± (0.81) Depth: 5/11 00:00:00 3kN
>6...e5!
> ± (0.78) Depth: 5/11 00:00:00 4kN
>6...e5! 7.Qd1 Qxd1 8.Rxd1 Bb6 9.Bd5
> = (0.00) Depth: 5/16 00:00:00 12kN
>6...Be7!
> = (0.12) Depth: 5/16 00:00:00 19kN
>6...Be7! 7.Bg2 e5
> = (0.06) Depth: 5/16 00:00:00 22kN
>6...Be7--
> ² (0.37) Depth: 6/12 00:00:00 30kN
>6...Be7--
> ² (0.37) Depth: 6/12 00:00:00 33kN
>6...e5!
> ² (0.34) Depth: 6/15 00:00:00 36kN
>6...e5! 7.Bg2 Bg5 8.Bd5 e4 9.f4
> = (0.00) Depth: 6/16 00:00:00 45kN
>6...Bf6!
> = (0.12) Depth: 6/16 00:00:00 63kN
>6...Bf6 7.Bg2 e5 8.Nd5 Bd8 9.Qd1 Qg6
> ² (0.31) Depth: 7/19 00:00:00 88kN
>6...e5!
> ² (0.28) Depth: 7/19 00:00:00 112kN
>6...e5! 7.Bg2 e4 8.g4 fxg4 9.Qb4 Bf5 10.Bxe4
> = (0.00) Depth: 7/19 00:00:00 140kN
>6...e5 7.Be8 Qf3 8.Bf7 Qc6 9.Qb4 Bg5 10.Rd1
> = (0.19) Depth: 8/21 00:00:00 273kN
>6...Bb6!
> = (0.00) Depth: 8/21 00:00:00 379kN
>6...Bb6 7.Be8 Qg5 8.Re1 Kg8 9.Bb5 a6 10.Bc4 Qg6
> = (0.19) Depth: 9/24 00:00:01 516kN
>6...Bb6 7.Be8 Qg5 8.Re1 Kg8 9.Qd1 Qf6 10.Bd7 Qf7 11.Bb5
> = (0.25) Depth: 10/26 00:00:01 998kN
>6...Bb6 7.Bg2 e5 8.Qb4 Kh7 9.Nd5 Bd4 10.Ne7 Bd7 11.Qxb7 Rd8
> ² (0.31) Depth: 11/29 00:00:05 2803kN
>6...Bb6 7.Bg2 e5 8.Qb4 Kh7 9.Nd5 Bd4 10.Ne7 Be6 11.Qd6 Bc4 12.Bxb7
> ² (0.41) Depth: 12/32 00:00:10 6122kN
>6...Kh7!
> ² (0.37) Depth: 12/34 00:00:39 23567kN
>6...bxc6!
> ² (0.34) Depth: 12/34 00:00:44 27120kN
>6...bxc6! 7.Qxc6 Rb8 8.Qd6 Bb7 9.Re1 Qf3 10.Ne4 Ra8
> -+ (-2.22) Depth: 12/34 00:01:00 36189kN
>
>(Blass, Tel-aviv 08.07.2001)
>Blass,U - Junior 7
>r1bb3k/pp4p1/2B1p3/5p1q/Q7/P1N3P1/1P3P1P/5RK1 b - - 0 1
>
>Analysis by Junior 7:
>
>6...bxc6 7.Qxc6 Rb8 8.Rd1
> µ (-1.26) Depth: 3 00:00:00
>6...bxc6 7.Qxc6 Rb8 8.Qd6 Ba6 9.Qxb8 Bxf1 10.Qxd8+
> ² (0.50) Depth: 6 00:00:00 5kN
>6...e5 7.Qd1 Qxd1 8.Rxd1 Bb6
> ² (0.38) Depth: 6 00:00:00 6kN
>6...Bg5 7.Be8 Qf3 8.Bg6
> ² (0.33) Depth: 6 00:00:00 9kN
>6...Bb6 7.Be8 Qh3 8.Bg6
> ² (0.26) Depth: 6 00:00:00 10kN
>6...Bb6 7.Be8 Qg5 8.Qb4 Qf6 9.Rd1
> ± (0.79) Depth: 9 00:00:00 40kN
>6...e5 7.Be8
> ² (0.68) Depth: 9 00:00:00 71kN
>6...e5 7.Be8 Qg4 8.Qb5 Bf6 9.Qd5 Qh3
> ± (0.79) Depth: 12 00:00:00 437kN
>6...Bb6 7.Be8 Qg4 8.Rd1 Qh3 9.Bg6 e5
> ² (0.67) Depth: 12 00:00:01 540kN
>6...Bb6 7.Be8 Qg4 8.Qxg4 fxg4 9.Re1 a5 10.Bf7 Kh7 11.Bxe6 Bxe6
> ± (0.77) Depth: 15 00:00:04 2433kN
>6...bxc6!
> ² (0.37) Depth: 15 00:00:12 7269kN
>6...bxc6! 7.Nd5 Rb8 8.Qxa7 Rxb2 9.Nb4 Qe8 10.Rd1 Bf6 11.Qb8
> -+ (-1.83) Depth: 15 00:01:47 72351kN
>
>(Blass, Tel-aviv 08.07.2001)
>Blass,U - Junior 7
>r1bb3k/pp4p1/2B1p3/5p1q/Q7/P1N3P1/1P3P1P/5RK1 b - - 0 1
>
>Analysis by Crafty 18.10:
>
>6...bxc6 7.Qxc6
> -+ (-3.33) Depth: 1/7 00:00:00
>6...bxc6 7.Qxc6
> -+ (-3.33) Depth: 2/7 00:00:00
>6...bxc6 7.Qxc6 Rb8
> -+ (-3.38) Depth: 3/7 00:00:00
>6...bxc6 7.Qxc6 Rb8 8.Rd1
> -+ (-3.12) Depth: 4/7 00:00:00
>6...bxc6 7.Qxc6 Rb8 8.Qd6 Rxb2 9.Qxd8+
> = (-0.22) Depth: 5/9 00:00:00
>6...bxc6 7.Qxc6 Rb8 8.Qd6 Ba6 9.Qxb8 Bxf1 10.Kxf1
> ± (1.14) Depth: 6/14 00:00:00 32kN
>6...Bf6
> ± (0.74) Depth: 6/14 00:00:00 45kN
>6...Bf6 7.Be8 Qf3 8.Qc4 Bxc3 9.bxc3 e5
> = (0.09) Depth: 6/14 00:00:00 55kN
>6...Bf6 7.Bg2 e5 8.Nd5 Bd8 9.Qc4 Bg5
> = (0.22) Depth: 7/15 00:00:00 173kN
>6...Bb6 7.Bg2 Kg8 8.Qf4 Qh6 9.Qe5 Qg5
> = (0.18) Depth: 7/15 00:00:01 384kN
>6...Qf7 7.Qd1 Bf6 8.Bg2 e5 9.Nd5 Bg5
> = (0.14) Depth: 7/15 00:00:01 559kN
>6...Qf7 7.Rd1 Bf6 8.Bg2 e5 9.Qc2 Be6 10.Nd5
> ² (0.46) Depth: 8/18 00:00:02 783kN
>6...Bb6 7.Bg2 e5 8.h3 Bd4 9.Qb4 Qf7 10.Qd6
> ² (0.32) Depth: 8/18 00:00:03 1541kN
>6...Bb6 7.Bg2 e5 8.Qb4 Qf7 9.Qh4+ Kg8 10.Nd5 Bd4 11.Ne7+ Kf8
> ² (0.42) Depth: 9/20 00:00:05 2373kN
>6...Qf7 7.Bg2 e5 8.Bd5 Qe7 9.Qc4 Bb6 10.Rd1 Qg5
> ² (0.35) Depth: 9/20 00:00:07 3323kN
>6...Kh7 7.Be8 Qg5 8.Qc4 Qe7 9.Bh5 Qc7 10.Qe2 Kg8
> ² (0.34) Depth: 9/20 00:00:10 4887kN
>6...Kh7 7.Be8 Qg5 8.Qc4 Qe7 9.Bh5 Bc7 10.Rd1 Kg8 11.h3
> ² (0.52) Depth: 10/24 00:00:13 6141kN
>6...Bb6 7.Be8 Qg5 8.Rd1 Kg8 9.Qb4 Rb8 10.Qd6 Ra8 11.h3
> ² (0.49) Depth: 10/24 00:00:15 7271kN
>6...Kg8 7.Be8 Qh6 8.Rd1 Bf6 9.Qc2 Kf8 10.Bb5 Kg8 11.f3
> ² (0.46) Depth: 10/24 00:00:17 8487kN
>6...Kg8 7.Bd7 Bxd7 8.Qxd7 Qf7 9.Rd1 Rb8 10.Qa4 Bb6 11.Rd7 Qe8 12.Qd1
> ² (0.60) Depth: 11/26 00:00:27 13519kN
>6...Kh7 7.Bg2 Bf6 8.Qc2 Qf7 9.Nb5 Qd7 10.Nc7 Rb8 11.Rd1 Bd4
> ² (0.50) Depth: 11/26 00:00:44 21955kN
>6...Kh7 7.Bg2 Bf6 8.Qc2 a6 9.Rd1 Kg8 10.h3 Qg5 11.Qe2 f4 12.Rd3
> ² (0.54) Depth: 12/29 00:01:34 47225kN
>6...Kh7 7.Bg2 Bf6 8.Qc2 Qe8 9.Rd1 Kg8 10.h3 Qf7 11.Qe2 Qc7 12.Nb5 Qe5
> ² (0.57) Depth: 13/34 00:03:33 106871kN
>6...Bf6 7.Bg2 Kg8 8.Rd1 a6 9.h3 Kh7 10.Qc2 Kg8 11.f4 Qg6 12.Qf2 e5 13.fxe5 Bxe5
> ² (0.55) Depth: 13/34 00:04:13 126828kN
>6...bxc6
> = (0.15) Depth: 13/34 00:06:24 194034kN
>
>(Blass, Tel-aviv 08.07.2001)
>
>
>Uri
Time to time chess playing technique is continually make progress. Hardware
become faster and faster. As we know, chess playing engine is _very_ cpu
consuming. If we did not care, we only trying to improve an algorithm to reach
it's max. searching limit. One important thing forgotten is position evaluation.
In my private opinion, correct evaluation function is more important than
searching speed.
As Bob Hyatt said, it is not true that newer engine _must_ be stronger. Maybe
some new features and bugs also just added in this newer version.
From my stupid view, century eval is better than dj7. Is it right ?
What is your opinion about their position eval function ?
irawan
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Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.