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Subject: Re: Shredder 5 - Deep Fritz , 2 hours/move. DF played 38...Rd3 -1.53/19

Author: Uri Blass

Date: 01:41:14 04/01/01

Go up one level in this thread


On April 01, 2001 at 05:18:08, Uri Blass wrote:

>On April 01, 2001 at 04:47:57, Hans Christian Lykke wrote:
>
>>[Event "Level=120 min. per move"]
>>[Site "DK-Albertslund"]
>>[Date "2001.03.16"]
>>[Round "1"]
>>[White "Shredder 5 At900 288MB hash"]
>>[Black "Deep Fritz At900 288MB hash"]
>>[Result "*"]
>>[ECO "C50"]
>>[PlyCount "76"]
>>[EventDate "2001.??.??"]
>>
>>1. e4 {book 0s} 1... e5 {1} 2. Bc4 {book 0s} 2... Nf6 {1} 3. d3 {book 0s} 3...
>>Nc6 {0} 4. Nc3 {book 0s} 4... Bc5 {0} 5. Nf3 {book 0s} 5... d6 {0} 6. Bg5 {
>>book 0s} 6... h6 {0} 7. Be3 {book 0s} 7... Nd4 {0} 8. Bxd4 {+0.09/17 120:00m}
>>8... exd4 {0} 9. Na4 {-0.01/17 120:00m} 9... Bb4+ {-0.06/18 7201} 10. c3 {
>>+0.02/18 120:00m} 10... dxc3 {-0.03/18 7200} 11. Bxf7+ {+0.06/17 120:00m} 11...
>>Kxf7 {-0.09/18 7200} 12. Qb3+ {+0.05/16 120:00m} 12... Kg6 {-0.03/17 7199} 13.
>>Qxb4 {-0.07/17 120:00m} 13... cxb2 {-0.06/17 7200} 14. Qxb2 {-0.02/17 120:00m}
>>14... Nh5 {-0.19/17 7200} 15. O-O {-0.27/16 120:00m} 15... Rf8 {-0.16/17 7202}
>>16. Ne1 {-0.39/16 120:00m} 16... Kh7 {-0.13/17 7200} 17. Nc3 {-0.39/17 120:00m}
>>17... b6 {-0.13/18 7200} 18. Qd2 {-0.39/17 120:00m} 18... Qf6 {-0.16/18 7201}
>>19. Nd5 {-0.32/18 120:00m} 19... Qf7 {-0.25/18 7200} 20. f3 {-0.42/17 120:00m}
>>20... Bb7 {-0.19/18 7200} 21. Nc3 {-0.52/17 120:00m} 21... d5 {-0.34/17 7200}
>>22. Nc2 {-0.64/16 120:00m} 22... c5 {-0.38/17 7200} 23. d4 {-0.66/16 120:00m}
>>23... Nf4 {-0.44/16 7200} 24. e5 {-0.59/15 120:00m} 24... Ba6 {-0.66/17 7201}
>>25. Rfe1 {-0.85/17 120:00m} 25... Qg6 {-0.63/17 7199} 26. Re3 {-1.03/16 120:00m
>>} 26... Rf5 {-0.66/17 7200} 27. g3 {-0.43/16 120:00m} 27... Bc4 {-0.59/16 7202}
>>28. Kh1 {-0.32/17 120:00m} 28... Ne6 {-0.56/18 7200} 29. f4 {-0.41/16 120:00m}
>>29... Rd8 {-0.56/16 7199} 30. Ne2 {-0.53/14 120:00m} 30... Rf7 {-0.75/17 7201}
>>31. Ng1 {-0.66/15 120:00m} 31... Qh5 {-0.72/17 7200} 32. Ra3 {-0.48/16 120:00m}
>>32... g5 {-0.78/17 7200} 33. f5 {-1.19/16 120:00m} 33... Rxf5 {-0.84/17 7200}
>>34. Ne3 {-1.31/17 120:00m} 34... Rf7 {-0.97/18 7207} 35. dxc5 {-1.45/16 120:00m
>>} 35... bxc5 {-0.97/17 7200} 36. Nxc4 {-1.35/16 120:00m} 36... dxc4 {
>>-1.19/19 7200} 37. Qg2 {-1.50/16 120:00m} 37... Qg6 {-1.19/17 7200} 38. Re1 {
>>-1.64/16 120:00m} 38... Rd3 {-1.53/19 7200} *
>>
>>[D] rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
>>
>>Deep Fritz played 38...Rd3
>>Deep Fritz now expecting 39.Ra6 c3
>
>The position is wrong
>Here is Deep Fritz analysis of the right position after 38...Rd3 that shows what
>happens if shredder does nor play Ra6(I used the next best option)
>
>New position
>8/p4r1k/4n1qp/2p1P1p1/2p5/R2r2P1/P5QP/4R1NK w - - 0 1
>
>Analysis by Deep Fritz:
>
>2.Rxd3--
>  -+  (-1.59)   Depth: 1/3   00:00:00
>2.Rxd3--
>  -+  (-1.59)   Depth: 1/3   00:00:00
>2.Ra6!
>  -+  (-1.56)   Depth: 1/6   00:00:00
>2.Ra6! c3
>  µ  (-1.09)   Depth: 1/6   00:00:00
>2.Ra6 g4 3.Qc2
>  µ  (-0.94)   Depth: 2/5   00:00:00
>2.Ra6 g4 3.Qc2 c3
>  µ  (-0.97)   Depth: 3/7   00:00:00
>2.Ra6 c3 3.Qc6 Re7 4.Nf3
>  µ  (-0.78)   Depth: 4/10   00:00:00  1kN
>2.Ra6 c3 3.Qc6 Re7 4.Nf3
>  µ  (-0.78)   Depth: 5/17   00:00:00  8kN
>2.Ra6 c3 3.Qc6 Re7 4.Nf3 Red7
>  µ  (-0.87)   Depth: 6/15   00:00:00  16kN
>2.Ra6 c3 3.Qc6 Re7 4.Rf1 g4 5.Ne2
>  µ  (-0.84)   Depth: 7/19   00:00:00  57kN
>2.Ra6 c3 3.Qc2 Re7 4.Qa4 Qf7 5.Qc2 Qf5
>  µ  (-0.75)   Depth: 8/22   00:00:00  207kN
>2.Ra6 c3 3.Qc2 c4 4.a3 g4 5.Qa4 Rdd7 6.Qxc4
>  µ  (-0.81)   Depth: 9/25   00:00:01  563kN
>2.Ra6 c3 3.Rd6 g4 4.Qc6 Rxd6 5.exd6 c2 6.a3 Rf2 7.Ne2 Kg8
>  µ  (-0.81)   Depth: 10/24   00:00:01  1152kN
>2.Ra6 c3 3.Qc2 c4 4.a3 Qf5 5.Qc1 g4 6.Rc6 Rf3 7.Rxe6 Qxe6
>  µ  (-0.87)   Depth: 11/28   00:00:04  3095kN
>2.Ra6 c3 3.Qc2 c4 4.a3 Qf5 5.Qa2 Rc7 6.Qc2 Rcd7 7.Rc6
>  µ  (-0.72)   Depth: 12/30   00:00:18  11726kN
>2.Ra6 c3 3.Qc2 c4 4.a3 Qf5 5.Rd6 Nd4 6.Qa4 Qc8 7.Rd5 Qc6
>  µ  (-0.97)   Depth: 13/31   00:00:32  21053kN
>2.Rxd3--
>  -+  (-1.59)   Depth: 1/3   00:00:36
>2.Rxd3--
>  -+  (-1.59)   Depth: 1/3   00:00:36
>2.Re3!
>  µ  (-1.19)   Depth: 1/6   00:00:36
>2.Ra5!
>  µ  (-1.09)   Depth: 1/6   00:00:36
>2.Ra5 c3
>  µ  (-1.22)   Depth: 2/3   00:00:36
>2.Ra5 Rxg3 3.hxg3
>  -+  (-1.44)   Depth: 3/7   00:00:36
>2.Qb2!
>  -+  (-1.41)   Depth: 3/13   00:00:36
>2.Qb2! Nd4 3.h3
>  µ  (-1.09)   Depth: 3/13   00:00:36  1kN
>2.Ra4!
>  µ  (-1.06)   Depth: 3/13   00:00:36  1kN
>2.Ra4! c3
>  µ  (-1.00)   Depth: 3/13   00:00:36  1kN
>2.Ra4 c3 3.Rf1 Rdd7
>  µ  (-1.06)   Depth: 4/8   00:00:36  1kN
>2.Ra4 c3 3.Rf1 Rdd7 4.Nf3
>  µ  (-0.97)   Depth: 5/14   00:00:36  6kN
>2.Ra4 c3 3.Rf1 Rdd7 4.Nf3 Nd4
>  µ  (-0.97)   Depth: 6/13   00:00:36  11kN
>2.Ra4 c3 3.Rf1 Rdd7 4.Rxf7+ Rxf7 5.Ne2
>  µ  (-0.97)   Depth: 7/17   00:00:36  28kN
>2.Ra4 c3 3.Rf1 Rdd7 4.Rxf7+ Rxf7 5.Rc4 Qd3 6.Re4
>  µ  (-1.00)   Depth: 8/19   00:00:36  64kN
>2.Ra4 c3 3.Rf1 Rdd7 4.Rxf7+ Rxf7 5.Rc4 Qd3 6.Re4 Qf1
>  µ  (-1.16)   Depth: 9/23   00:00:36  317kN
>2.Re3!
>  µ  (-1.12)   Depth: 9/23   00:00:37  593kN
>2.Re3! Nd4 3.Rc3 Rxe3 4.Rxe3 Qe6 5.Ne2 Kg8 6.Qa8+ Kg7
>  µ  (-1.00)   Depth: 9/23   00:00:37  831kN
>2.Re3 Nd4 3.Rc3 Rxc3 4.Rxc3 Qe6 5.Qe4+ Kg7 6.Ne2 Qh3 7.Ng1
>  µ  (-1.09)   Depth: 10/25   00:00:38  1323kN
>2.Re3--
>  -+  (-1.41)   Depth: 11/29   00:00:43  4825kN
>2.Re3-- Nd4 3.h3 Qf5 4.Rc3 Rxc3 5.Rxc3 Qxe5 6.Rxc4
>  -+  (-1.50)   Depth: 11/30   00:00:46  7040kN
>2.Ra4!
>  -+  (-1.47)   Depth: 11/30   00:00:47  7933kN
>2.Ra4 c3 3.Rae4 Kg7 4.R4e3 Rd2 5.R1e2 Rxe2 6.Rxe2 Nd4
>  µ  (-1.28)   Depth: 12/29   00:01:04  18908kN
>2.Ra4 c3 3.Rc4 Nd4 4.Qa8 Rd2 5.Rxc3 Rff2 6.Qb7+ Kh8 7.Nf3 Nxf3
>  -+  (-1.56)   Depth: 13/32   00:01:27  34953kN
>2.Re3!
>  -+  (-1.53)   Depth: 13/32   00:01:38  42210kN
>2.Re3 Nd4 3.h3 Qf5 4.Rc3 Rxc3 5.Rxc3 Qxe5 6.Rxc4 Rf5 7.Ra4 Qe7
>  -+  (-1.50)   Depth: 14/33   00:02:56  96744kN
>2.Re3 Nd4 3.h3 Rd1 4.e6 Re7 5.Ra6 g4 6.hxg4 c3 7.Rxc3 Qxg4
>  -+  (-1.66)   Depth: 15/39   00:05:14  194736kN
>2.Rxd3!
>  -+  (-1.62)   Depth: 15/39   00:06:53  264326kN
>2.Rxd3 cxd3 3.Nf3 c4 4.Nd2 c3 5.Ne4 c2 6.Nf6+ Kh8 7.h3 Qf5
>  -+  (-1.81)   Depth: 16/38   00:12:41  501443kN
>2.Re3!
>  -+  (-1.78)   Depth: 16/38   00:14:00  556421kN
>
>(blass, tel-aviv 01.04.2001)
>
>Some analysis after Ra6 c3
>The analysis suggest a very good branching factor for Deep Fritz even 3 plies
>later (after 38...Rd3 39.Ra6 c3) Deep Fritz cannot finish iteration 15 at
>tournament time control when Deep Fritz had no problem to finish iteration 18
>when it played 38...Rd3
>
>New position
>8/p4r1k/R3n1qp/2p1P1p1/8/2pr2P1/P5QP/4R1NK w - - 0 1
>
>Analysis by Deep Fritz:
>
>3.Rxe6--
>  -+  (-2.00)   Depth: 1/3   00:00:00
>3.Rxe6-- Qxe6
>  -+  (-2.87)   Depth: 1/3   00:00:00
>3.Qc2!
>  -+  (-1.69)   Depth: 1/3   00:00:00
>3.Qc2! c4 4.a3 Rfd7 5.Qf2 Rd2 6.Ne2 Qe4+ 7.Kg1
>  µ  (-0.87)   Depth: 1/9   00:00:00
>3.Qc2 Nd4 4.Qa4
>  µ  (-0.91)   Depth: 2/7   00:00:00
>3.Qc2--
>  µ  (-1.22)   Depth: 3/8   00:00:00
>3.Qc2-- Nd4 4.Qa4 Qg7
>  µ  (-1.25)   Depth: 3/9   00:00:00
>3.Rd6!
>  µ  (-1.22)   Depth: 3/9   00:00:00  1kN
>3.Rd6! Rxd6 4.exd6 Nd4 5.Qd5
>  µ  (-0.94)   Depth: 3/9   00:00:00  1kN
>3.Qc6!
>  µ  (-0.91)   Depth: 3/9   00:00:00  1kN
>3.Qc6! Re7 4.Nf3 c2
>  µ  (-0.84)   Depth: 3/9   00:00:00  1kN
>3.Qc6 Re7 4.Nf3 c2
>  µ  (-0.84)   Depth: 4/10   00:00:00  2kN
>3.Qc6 Re7 4.Qc8 g4 5.Rd6
>  µ  (-0.84)   Depth: 5/14   00:00:00  10kN
>3.Qc6--
>  µ  (-1.16)   Depth: 6/18   00:00:00  24kN
>3.Qc6-- c2 4.Qa4 Re3 5.Rc1
>  µ  (-1.34)   Depth: 6/18   00:00:00  30kN
>3.Rd6!
>  µ  (-1.31)   Depth: 6/18   00:00:00  33kN
>3.Rd6! Rxd6 4.exd6 Nd4 5.Qd5 Qf5 6.Qxf5+ Nxf5 7.Rd1
>  µ  (-0.87)   Depth: 6/18   00:00:00  44kN
>3.Qc2!
>  µ  (-0.84)   Depth: 6/18   00:00:00  51kN
>3.Qc2! c4 4.a3 g4 5.Rc6 Nd4
>  µ  (-0.75)   Depth: 6/18   00:00:00  62kN
>3.Qc2 c4 4.a3 Rfd7 5.Qa2 R3d4 6.Nf3 Re4
>  µ  (-0.94)   Depth: 7/20   00:00:00  112kN
>3.Rd6!
>  µ  (-0.91)   Depth: 7/20   00:00:00  130kN
>3.Rd6! Rxd6 4.exd6 c2 5.Nf3 Qf5 6.Nd2 Nd4 7.Ne4
>  µ  (-0.78)   Depth: 7/20   00:00:00  177kN
>3.Rd6 g4 4.Qc6 Rxd6 5.exd6 c2 6.a3
>  µ  (-0.81)   Depth: 8/18   00:00:00  293kN
>3.Rd6--
>  µ  (-1.12)   Depth: 9/24   00:00:01  653kN
>3.Rd6-- Rxd6 4.exd6 Nd4 5.Rc1 Qxd6 6.Rxc3
>  -+  (-1.53)   Depth: 9/24   00:00:01  800kN
>3.Qc2!
>  -+  (-1.50)   Depth: 9/26   00:00:01  1089kN
>3.Qc2! c4 4.a3 Qf5 5.Qc1 g4 6.Rc6 Rf3 7.Rxe6 Qxe6
>  µ  (-0.87)   Depth: 9/26   00:00:02  1300kN
>3.Qc2 c4 4.a3 Qf5 5.Qa2 Rd4 6.Qa1 Re4 7.Qxc3 Rxe1 8.Qxe1
>  ³  (-0.62)   Depth: 10/25   00:00:04  2607kN
>3.Qc2--
>  µ  (-0.94)   Depth: 11/26   00:00:05  3617kN
>3.Qc2--
>  µ  (-0.94)   Depth: 11/29   00:00:08  5353kN
>3.Qc2--
>  µ  (-1.25)   Depth: 12/33   00:00:21  14515kN
>3.Qc2--
>  µ  (-1.25)   Depth: 12/33   00:00:23  15433kN
>3.Qe2!
>  µ  (-1.22)   Depth: 12/33   00:00:36  24931kN
>3.Qe2 Nd4 4.Rxg6 Nxe2 5.Rd6 Rxd6 6.exd6 Nxg1 7.Kxg1 Rd7 8.Re7+ Rxe7
>  µ  (-1.22)   Depth: 13/34   00:01:37  67441kN
>3.Qe2 Rd4 4.a3 c2 5.Rxe6 Qxe6 6.Qxc2+ Kg8 7.Qxc5 Rd2
>  -+  (-1.44)   Depth: 14/34   00:03:16  137696kN
>3.Re2!
>  -+  (-1.41)   Depth: 14/36   00:05:30  229339kN

analysis continues at depth 15:
3.Re2--
  -+  (-1.72)   Depth: 15/39   00:21:09  843115kN
3.Re2--
  -+  (-1.72)   Depth: 15/39   00:25:18  1013081kN
3.Qe2!
  -+  (-1.69)   Depth: 15/39   00:27:49  1121113kN

For some reason Deep Fritz shows only a score without a main line

Uri



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