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Subject: Re: Yace in Paderbon

Author: Thomas Lagershausen

Date: 04:10:44 02/27/01

Go up one level in this thread


On February 26, 2001 at 17:18:04, Thomas Lagershausen wrote:

>On February 26, 2001 at 14:52:10, Thomas Lagershausen wrote:
>
>>[D] 2r1r1k1/pb1n1pp1/1p1p3p/2q4n/2P5/P3PP2/1P1NBBQP/2KR2R1 w - -
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>>Here Yace failed high soon with Ne4. Later the score dropped again. At the last
>>iteration searched the score dropped a little bit more than 0.2, but
>>(unfortunately?) less than 0.25, so Yace did not decide to allocate more time.
>>At the next iteration Yace would have switched back to e4. I think, Ne4 was not
>>a good move, although the very good chess player Ossi Weiner commented during
>>the game, that it was a good move. Interestingly, after the game Stefan
>>Meyer-Kahlen analyzed the position with Shredder, and Shredder switched to Ne4
>>after very long thinking, so my judgement of this move may be wrong.
>>
>>Hi Dieter,after i saw this position at the toournamentday i was very interested
>>like you which was the best move by white because i also think it is the
>>keyposition.Well after a night Hiarcs 7.32 only show 21.Nb3 Qe5 22.Nd4 with more
>>than a half pawn for white.I think this is to optimistic but the short moveline
>>is ok.Chessmaster 8000 gives this:21.Nb3 Qe5 22.Kb1 Nc5 23.Nd4 Ne6 24.Qh3 Nxd4
>>25.Rxd4 Red8 26.Rgd1 Nf6 with +0,56
>>That´s the lines of KamikazeShredder in threelinesmode:
>>
>>13	14:39 	+0.39 	21.Se4 Lxe4 22.fxe4 Sdf6 23.Kb1 g6 24.Td4 b5 25.Tf1 De5 26.Lh4
>>De6 27.Tfd1 bxc4 (115.098.456) 130.8
>> 13	18:10 	+0.22 	21.Dh3 Sdf6 22.Kb1 b5 23.Sb3 De5 24.cxb5 Tc7 25.Ld3 Lc8 26.Dh4
>>(141.913.036) 130.0
>> 13	21:22 	+0.09 	21.e4 De5 22.Le3 Sc5 23.f4 Dxe4 24.Sxe4 Lxe4 25.Lxc5 Lxg2
>>26.Lxh5 Txc5 27.Txg2 (165.754.366) 129.2
>>-----
>> 13	14:39 	+0.39 	21.Se4 Lxe4 22.fxe4 Sdf6 23.Kb1 g6 24.Td4 b5 25.Tf1 De5 26.Lh4
>>De6 27.Tfd1 bxc4 (115.098.456) 130.8
>> 13	18:10 	+0.22 	21.Dh3 Sdf6 22.Kb1 b5 23.Sb3 De5 24.cxb5 Tc7 25.Ld3 Lc8 26.Dh4
>>(141.913.036) 130.0
>> 13	26:15 	+0.10++ 	21.Sb3 De5 22.Sd4 Sdf6 23.Kb1 Se4 24.Lh4 Dc5 25.Dg4 Db5
>>(203.215.165) 129.0
>>-----
>> 13	14:39 	+0.39 	21.Se4 Lxe4 22.fxe4 Sdf6 23.Kb1 g6 24.Td4 b5 25.Tf1 De5 26.Lh4
>>De6 27.Tfd1 bxc4 (115.098.456) 130.8
>> 13	18:10 	+0.22 	21.Dh3 Sdf6 22.Kb1 b5 23.Sb3 De5 24.cxb5 Tc7 25.Ld3 Lc8 26.Dh4
>>(141.913.036) 130.0
>> 13	27:34 	+0.19 	21.Sb3 De5 22.Sd4 Sdf6 23.Kb1 Se4 24.Lh4 Sef6 25.Ld3 Sh7
>>(213.678.558) 129.1
>>
>>I believe that 21.Nb3 is the right positional choice but i want to look a little
>>bit clother so i check it out the next days.
>>Yace played a great tournament but we had expected that.Keep the fire burning.
>>Thomas Lagershausen
>
>It looks like that CM8000 is the best player in the wourld in this postion.After
>his line 21.Nb3 Qe5 22.Kb1! the normal Nc5 is weak.
>Shredder5 give +0,92 for white.
>
>13.01	17:05 	+0.92 	23.Sd4 Se4 24.Lh4 Tc5 25.Ka2 Sef6 26.b4 Tc7 27.Lxf6 Dxf6
>28.Dh3 Lc8 29.Sb5 Txe3 (127.290.733) 124.1
> 14.01	48:07 	+0.92 	23.Sd4 Se4 24.Lh4 g6 25.Ka2 Sc5 26.Lf2 a6 27.Dh3 Se6
>28.Sxe6 Txe6 29.Td4 Kh7 30.f4 Kh8 (342.189.762) 118.5
>
>So Shredder is in the mood to sacrifice a pawn with 22...b5.
>Looks very attractive for white.
>
>Thomas

This 22..b5 is very tricky but white can hold his advantage.Probalbly Shredder
is the best defender in the wourld but Chessmaster keeps cool in this position:

Time	Depth	Score	Positions	Moves
0:01	1/3	0.77	5356		23. cxb5 Qe6 24. Nd4
0:01	1/4	0.84	10585		23. cxb5 Qf5+ 24. Ka1 Rc2 25. Nd4
0:01	2/5	1.03	39995		23. cxb5 Nb6 24. Nd4 Qc5 25. Ka1
0:02	2/6	1.15	113593		23. cxb5 Nb6 24. Nd4 g6 25. Qh3
					Qc5 26. e4
0:05	3/7	0.94	370261		23. cxb5 Nc5 24. Nd4 Ne6 25. f4
					Be4+ 26. Bd3 Bxd3+ 27. Rxd3 Qc5
0:12	3/8	1.12	1023491		23. cxb5 Nc5 24. Nd4 Ne6 25. Qh3
					Nxd4 26. Rxd4 Qc5 27. Ka1
0:33	4/9	1.10	3107137		23. cxb5 Nc5 24. Nd4 Ne6 25. Qh3
					Nxd4 26. Rxd4 d5 27. Bd3 g6
1:46	4/10	1.10	10621140	23. cxb5 Nc5 24. Nd4 Ne6 25. Nxe6
					Qxe6 26. Qg4 Qe5 27. h3 Qc5 28.
					Ka1
7:59	5/11	1.11	46883106	23. cxb5 Nc5 24. Nxc5 Qxc5 25.
					Ka1 Qe5 26. Rd2 Rc7 27. Rgd1 d5
					28. f4
33:35	6/12	1.31	206667623	23. cxb5 Nc5 24. Nxc5 Rxc5 25.
					e4 Nf4 26. Qf1 Rd5 27. Rxd5 Nxd5
					28. Bxa7 Qxh2 29. Qf2
2:57:23	7/13	1.26	1099153993	23. cxb5 Nb6 24. Qh3 Bd5 25. Nd4
					Be6 26. Qg2 Bd5 27. Bd3 Nc4 28.
					Rge1 Nb6 29. b3 Bb7
12:09:56 8/14	1.32	315016876...	23. cxb5 Nb6 24. Qh3 Bd5 25. Nd4
					Be6 26. Qg2 Bd5 27. Bd3 Bc4 28.
					Bf5 Be6 29. Bc2 Qc5 30. f4

Looks promising for Yace.

Thomas



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