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Subject: Re: Covax Test Suite

Author: Ernst Walet

Date: 09:38:03 12/02/01

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Not an easy one, but this is the result ofFrtiz 7.002.


Analysis by Fritz 7:

1...Bxd4 2.exd4 Qh6 3.Qc1 e3 4.fxe3 Qh4+ 5.Rf2 Rae8
  =  (0.12)   Depth: 7/22   00:00:00  248kN
1...a5!
  =  (0.09)   Depth: 7/23   00:00:00  532kN
1...a5 2.0-0-0 a4 3.b4 Bxb4 4.Nxe4 Nxe4 5.Bxe4 Rfd8
  =  (-0.07)   Depth: 8/24   00:00:01  839kN
1...a5 2.0-0-0 a4 3.Bxf6 Nxf6 4.Nxa4 Ba3+ 5.Kb1 b5 6.Nc3 bxc4 7.Nxe4
  =  (0.12)   Depth: 9/27   00:00:03  1704kN
1...Bxd4!
  =  (0.09)   Depth: 9/27   00:00:03  1758kN
1...Bxd4 2.exd4 Qh6 3.Qd2 Rae8 4.Qe3 c5 5.dxc5 Qxe3+ 6.fxe3 Nxc5 7.g5 Nd3+ 8.Kd2
  =  (0.21)   Depth: 10/31   00:00:08  5080kN
1...Ba3!
  =  (0.18)   Depth: 10/31   00:00:15  9359kN
1...Ba3!
  =  (0.03)   Depth: 10/31   00:00:16  9776kN
1...Ba3 2.Nxe4 Nxe4 3.Qxe4 Rad8 4.g5 Bb4+ 5.Kd1 Qxe4 6.Bxe4 Nc5 7.Bg2 Bc3 8.Rb1
Bxd4
  =  (0.03)   Depth: 11/28   00:00:20  12406kN
1...Ba3 2.Nb1 Bb4+ 3.Nc3 c5 4.Bxf6 Nxf6 5.0-0-0 Bxc3 6.Qxc3 a5 7.Qe5 Rfe8 8.Qxc5
a4
  =  (0.03)   Depth: 12/34   00:00:42  26351kN
1...Ba3 2.Nb1 Bb4+ 3.Nc3 Ba3 4.Nb1 Bb4+ 5.Nc3 Ba3 6.Nb1 Bb4+ 7.Nc3 Ba3 8.Nb1
Bb4+
  =  (0.00)   Depth: 13/35   00:01:05  41188kN
1...Ba3 2.Nb1 Bb4+ 3.Nc3 a5 4.0-0-0 a4 5.Nxe4 Nxe4 6.Bxe4 axb3 7.axb3 Nc5 8.Kb2
Ra3
  =  (0.03)   Depth: 14/38   00:02:28  93762kN
1...Ba3 2.Nb1 Bb4+ 3.Nc3 Ba3 4.Nb1 Bb4+ 5.Nc3 Ba3 6.Nb1 Bb4+ 7.Nc3 Ba3 8.Nb1
Bb4+
  =  (0.00)   Depth: 15/40   00:05:08  196829kN
1...Ba3 2.Nb1 Bb4+ 3.Nc3 c5 4.Bxf6 Nxf6 5.0-0-0 Bxc3 6.Qxc3 Rfe8 7.Kb1 g5 8.f3
exf3
  =  (0.03)   Depth: 16/41   00:14:56  570610kN
1...Ba3 2.Nb1 Bc5 3.Nc3 b5 4.Nxe4 Bxd4 5.exd4 Nxe4 6.Bxe4 bxc4 7.bxc4 Qg5 8.f4
Qh4+
  =  (0.00)   Depth: 17/44   00:39:57  1530178kN
1...b5!
  =  (-0.04)   Depth: 17/44   01:13:38  2824209kN
1...b5 2.Bxf6 Nxf6 3.0-0-0 bxc4 4.Nxe4 Nxe4 5.Bxe4 Ba3+ 6.Kb1 cxb3 7.axb3 Rad8
8.Ka2 Be7
  =  (-0.10)   Depth: 18/49   03:50:15  8861943kN

(Celeron Tualatin 1,2 GHz, 832MB hash, 3,4 and 5 piece EGTB's 02.12.2001)

Ernst.



On December 02, 2001 at 10:48:54, Andrew Smith wrote:

>On December 02, 2001 at 07:01:02, Slater Wold wrote:
>
>>On December 02, 2001 at 05:03:52, Andrew Smith wrote:
>>
>>>I recently came across this interesting test suite, which seems to be quite
>>>difficult for programs. I played through the first two positions, and it seems
>>>that the answers are very deep, but I am not sure if they are all correct. Has
>>>anybody ran a strong program on fast hardware through these positions? (I'm
>>>talking about the first part, I think there are three of them) If so, what
>>>results did you get? I will post two positions here, which look interesting.
>>>
>>>[D]r4rk1/pp1n1pp1/2p2np1/2b5/2PBp1Pq/1PN1P2P/P1Q2PB1/R3KR2 w KQkq - 0 1
>>>
>>>b5!!?
>>
>>b5 is illegal.
>
>Sorry, the fen is wrong, it's black to move



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