Author: Matthias Gemuh
Date: 10:52:22 02/20/04
Go up one level in this thread
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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