Author: Robert Hyatt
Date: 17:06:56 08/22/02
Go up one level in this thread
On August 22, 2002 at 18:50:39, Sune Larsson wrote:
>
> [D]8/2pr1kp1/p1p5/1p2R2p/5P2/5K2/PPP3PP/8 b - - 0 3
>
> This is ShredderPB-Yace. Here black played 3.-Rd5?? and lost
> the pawn ending. 3.-g6 is a much better try.
>
Crafty thinks this is busted either way. After g6 it will promptly play
f5. As black it would play Rd5 but it thinks that is just as bad... Score
is about the same for g6 and Rd5, both +.6 for white or better...
>
> Test: Avoid 3.-Rd5?? - g6 is much better.
>
> The whole game:
>
>[Event "Nunn1 40/60'"]
>[Site "Kil"]
>[Date "2002.08.18"]
>[Round "1"]
>[White "Shredder Paderborn"]
>[Black "Yace 0.99.56"]
>[Result "1-0"]
>[SetUp "1"]
>[FEN "8/1ppr1kp1/p1p4p/8/8/5P2/PPP1RKPP/8 w - - 0 1"]
>[PlyCount "31"]
>[EventDate "2002.??.??"]
>
>{W=18.6 ply; 268kN/s; 37 828 TBAs
>B=13.1 ply; 534kN/s
>} 1. f4 {
>Both last book move 0.23/15 142} 1... b5 $6 {
>unnecessary weakens c5 and c6 0.27/12 90} 2. Kf3 {0.37/13 83} 2... h5 $2 {
>(Rd1) 0.27/12 117} 3. Re5 $1 {(h3) 0.88/15 61} 3... Rd5 $2 {0.20/12 143} (3...
>g6 {is better but white has} 4. Rc5 $1 Rd6 5. c4 $1) 4. g3 {0.89/16 73} 4... g6
>{(Rxe5) 0.22/12 123} 5. h3 {(Ke3) 1.08/15 74} (5. Rxd5 $1 cxd5 6. b4 $1 $18)
>5... Kf6 {(Rd1) 0.25/11 62} 6. Rxd5 $1 $18 {(Ke4) 2.03/17 100} 6... cxd5 {
>0.15/11 49} 7. b4 {2.21/18 90} 7... Kf7 {(Ke6) 0.61/11 68} 8. Ke3 {
>(g4) 2.98/18 97} 8... Ke6 {0.70/12 89} 9. Kd4 {(g4) 2.99/18 107} 9... h4 {
>(Kd6) 1.02/11 89} 10. g4 {(gxh4) 4.30/19 105} 10... Kd6 {2.73/14 380} 11. c3 {
>(a3) 4.95/19 130} 11... c6 {2.73/12 53} 12. f5 {(a3) 8.42/20 114} 12... g5 {
>4.52/14 243} 13. a3 {13.75/20 102} 13... Kd7 {10.69/15 232} 14. Ke5 {
>15.28/20 94} 14... Ke7 {11.89/14 308} 15. f6+ {16.24/19 127} 15... Kf7 {
>(Kd7) 11.89/14 60} 16. Kf5 {19.03/19 177} 1-0
>
>Sune
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