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Subject: Re: Is white winning? Comments from strong players wanted

Author: Matthias Gemuh

Date: 10:52:22 02/20/04

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On February 20, 2004 at 12:28:50, Robert Hyatt wrote:

>On February 20, 2004 at 11:50:30, Tord Romstad wrote:
>
>>In a blitz game between Gothmog and Phalanx, played earlier today, the following
>>position was reached:
>>
>>[D]3rr2k/pp3q1p/2p2pp1/8/2PP4/3B1Q2/PBN2PPP/6K1 w - -
>>
>>Without doing a search, Gothmog thinks white has a winning advantage.  The
>>static eval returns a score of +2.0, despite approximate material equality.
>>The big plus score for white seems to be almost entirely because of the
>>bishop pair (my bishop pair bonus is really big when the opposite side
>>has no minor pieces) and the weakness of black's a1-h8 diagonal.
>>
>>To this patzer's eyes, an advantage of +2 in this position seems to be
>>way too much.  Should I have a closer look at my bishop pair bonus, or is
>>Gothmog's assesment of the position really OK?
>>
>>Tord
>
>
>Crafty says +.6 as the static evaluation:
>
>note: scores are for the white side
>material evaluation.................   0.20
>development.........................   0.00
>pawn evaluation.....................  -0.13
>passed pawn evaluation..............   0.00
>passed pawn race evaluation.........   0.00
>king safety evaluation..............   0.24
>interactive piece evaluation........   0.33
>total evaluation....................   0.64
>
>A shallow search says +1.36:
>
>                9     0.90   1.07   1. d5 Kg8 2. Ne3 f5 3. Bd4 cxd5 4.
>                                    Qf4 dxc4 5. Bxc4 Re6 6. Bxe6 Qxe6 7.
>                                    Bxa7 Qxa2
>                9->   1.26   1.07   1. d5 Kg8 2. Ne3 f5 3. Bd4 cxd5 4.
>                                    Qf4 dxc4 5. Bxc4 Re6 6. Bxe6 Qxe6 7.
>                                    Bxa7 Qxa2
>               10     3.19   1.36   1. d5 Kg8 2. Qxf6 Qxf6 3. Bxf6 Rd6
>                                    4. Bd4 cxd5 5. cxd5 Kf7 6. Ne3 b6
>               10->   3.35   1.36   1. d5 Kg8 2. Qxf6 Qxf6 3. Bxf6 Rd6
>                                    4. Bd4 cxd5 5. cxd5 Kf7 6. Ne3 b6





Eval by BigLion

Static Eval = 0.44

[1] (1.07)  1.d5 (00h:00m:00s)
[2] (1.21)  1.d5 Rd6 (00h:00m:00s)
[3] (1.38)  1.d5 Rd6 2.Qf4 (00h:00m:00s)
[4] (1.44)  1.d5 Rd6 2.dxc6 bxc6 3.Bd4 (00h:00m:00s)
[5] (1.44)  1.d5 Rd6 2.dxc6 bxc6 3.Bd4 (00h:00m:00s)
[6] (1.32)  1.d5 Rd6 2.Qf4 Rd8 3.Ne3 g5 (00h:00m:00s)
[7] (1.64)  1.d5 Kg8 2.Bxf6 Rd6 3.Bd4 cxd5 4.Qxf7 Kxf7 5.Bxa7 dxc4 6.Bxc4
(00h:00m:02s)
[8] (1.20)  1.d5 Kg7 2.Ne3 cxd5 3.Nxd5 Re1 4.Bf1 Rd6 5.Bc3 Re8 (00h:00m:11s)
[9] (1.35)  1.d5 Kg7 2.dxc6 bxc6 3.Be4 Rf8 4.Ba3 Qxc4 5.Bxf8 Rxf8 (00h:00m:21s)





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