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Subject: Rook ending Test 3

Author: Sune Larsson

Date: 15:50:39 08/22/02



 [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.


 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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