Author: Dann Corbit
Date: 13:23:31 01/17/02
Go up one level in this thread
On January 17, 2002 at 14:41:16, Eduard Nemeth wrote:
>First: game two end draw.
>
>Position after move 44 (white):
>
>[D]8/2p4p/7B/2b2r2/8/P4k1P/1P1R1N2/6K1 b - - 0 44
>
>Ponomariov played here 44...Rf6! Wrong move is here 44...Kg3??, then
>white win forced in the bishop-endgame!
>
>That a move play here Your program?
Crafty 18.13 finds it in 15 minutes on my machine:
White(1): epdpfga \rf6.epd rf6.out
PFGA: EPD record: 1
end-game phase
clearing hash tables
time surplus 0.00 time limit 16:39 (16:39) [easy move]
nss depth time score variation (1)
8 0.27 1.33 1. ... Kg3 2. Rd3+ Rf3 3. Kf1 Bxf2
4. Ke2 Rxd3 5. Kxd3 Kxh3 6. Ke4
8-> 0.35 1.33 1. ... Kg3 2. Rd3+ Rf3 3. Kf1 Bxf2
4. Ke2 Rxd3 5. Kxd3 Kxh3 6. Ke4
9 0.68 1.35 1. ... Kg3 2. Kf1 Bxf2 3. Ke2 Re5+
4. Kd3 Bb6 5. Kc4 Kxh3 6. Rd7
9-> 0.77 1.35 1. ... Kg3 2. Kf1 Bxf2 3. Ke2 Re5+
4. Kd3 Bb6 5. Kc4 Kxh3 6. Rd7
10 1.50 1.45 1. ... Kg3 2. Rd3+ Rf3 3. Kf1 Bxf2
4. Ke2 Rxd3 5. Kxd3 Bc5 6. a4 Kxh3
7. a5
10-> 2.81 1.45 1. ... Kg3 2. Rd3+ Rf3 3. Kf1 Bxf2
4. Ke2 Rxd3 5. Kxd3 Bc5 6. a4 Kxh3
7. a5
11 3.69 1.42 1. ... Kg3 2. Rd3+ Rf3 3. Kf1 Bxf2
4. Rxf3+ Kxf3 5. Bg7 Be3 <HT>
11-> 4.32 1.42 1. ... Kg3 2. Rd3+ Rf3 3. Kf1 Bxf2
4. Rxf3+ Kxf3 5. Bg7 Be3 <HT>
12 5.76 1.55 1. ... Kg3 2. Rd3+ Rf3 3. Kf1 Bxf2
4. Ke2 Rxd3 5. Kxd3 Kxh3 6. a4 c6 7.
Be3 Bg3 8. b3
12-> 7.99 1.55 1. ... Kg3 2. Rd3+ Rf3 3. Kf1 Bxf2
4. Ke2 Rxd3 5. Kxd3 Kxh3 6. a4 c6 7.
Be3 Bg3 8. b3
13 12.64 1.50 1. ... Kg3 2. Rd3+ Rf3 3. Rxf3+ Kxf3
4. Bg7 Bxf2+ 5. Kf1 Bb6 6. a4 c6 7.
Bc3 Kg3 8. a5 Ba7 9. b4 Kxh3
13-> 17.21 1.50 1. ... Kg3 2. Rd3+ Rf3 3. Rxf3+ Kxf3
4. Bg7 Bxf2+ 5. Kf1 Bb6 6. a4 c6 7.
Bc3 Kg3 8. a5 Ba7 9. b4 Kxh3
14 29.71 1.55 1. ... Kg3 2. Rd3+ Rf3 3. Rxf3+ Kxf3
4. Bd2 Bxf2+ 5. Kf1 Bd4 6. Bc3 Bc5
7. a4 Kg3 8. a5 Kxh3 9. a6 h5 <HT>
14-> 43.37 1.55 1. ... Kg3 2. Rd3+ Rf3 3. Rxf3+ Kxf3
4. Bd2 Bxf2+ 5. Kf1 Bd4 6. Bc3 Bc5
7. a4 Kg3 8. a5 Kxh3 9. a6 h5 <HT>
15 1:02 1.60 1. ... Kg3 2. Rd3+ Rf3 3. Rxf3+ Kxf3
4. Bg7 Bxf2+ 5. Kf1 Bc5 6. a4 c6 7.
a5 Kg3 8. Be5+ Kxh3 9. a6 h5 10. Ke2
Kg4 11. b3
15-> 1:56 1.60 1. ... Kg3 2. Rd3+ Rf3 3. Rxf3+ Kxf3
4. Bg7 Bxf2+ 5. Kf1 Bc5 6. a4 c6 7.
a5 Kg3 8. Be5+ Kxh3 9. a6 h5 10. Ke2
Kg4 11. b3
16 2:00 -- 1. ... Kg3
16 8:59 2.21 1. ... Kg3 2. Rd3+ Rf3 3. Rxf3+ Kxf3
4. a4 Bxf2+ 5. Kf1 Ba7 6. a5 Kg3 7.
Ke2 Kxh3 8. Be3 Bb8 9. a6 c6 10. Kd3
h5 11. Ke4
16 15:18 1.76 1. ... Rf6 2. Bg5 Rg6 3. h4 h6 4. Kf1
hxg5 5. Rd3+ Kf4 6. hxg5 Rxg5 7. Rc3
Bxf2 8. Kxf2 Rd5 9. Ke2 c5 10. Rf3+
Ke4 11. a4
16-> 16:31 1.76 1. ... Rf6 2. Bg5 Rg6 3. h4 h6 4. Kf1
hxg5 5. Rd3+ Kf4 6. hxg5 Rxg5 7. Rc3
Bxf2 8. Kxf2 Rd5 9. Ke2 c5 10. Rf3+
Ke4 11. a4
time=16:39 cpu=99% mat=4 n=555911833 fh=87% nps=556k
ext-> chk=24234288 cap=953900 pp=188212 1rep=1054996 mate=51568
predicted=0 nodes=555911833 evals=0
endgame tablebase-> probes done=2243 successful=2243
Black(1):
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