Author: Mike Byrne
Date: 17:56:09 09/23/02
Go up one level in this thread
On September 23, 2002 at 12:25:01, Will Singleton wrote:
>My first game with Amateur-Ruffian, and the following position arose. 10 secs
>to find the win, looks like over a million nps (1.6ghz amd). I tried Yace on
>this, not even close. I wonder what CT, Fritz or Crafty will do?
>
>Look at the speed at which it gets to 18 ply, with the score jumping to +5.
>Looks pretty good to me. btw, during the game (40 moves/4 min), using HT, I
>think it found the move much quicker than 10 sec.
>
>[D]8/3R4/6p1/5n2/1K4p1/r2N1k2/5P2/8 b - - 0 1
>
>32406 <first : 11 157 688 8170317 Ra2 Rd8 Ra6 Kc4 Ra3 Ne5+ Kxf2 Nxg4+ Kg3 Nf6
>34459 <first : 11 161 893 10645757 Ra1 Kc3 Ra6 Rf7 Ra3+ Kd2 Ra2+ Kc3 Ke4 Rf6
>36041 <first : 11 163 1051 12528090 Ra8 Kc3 Ke2 Kb3 Rc8 Kb4 Rc6 Ne5 Re6 Rd5
>36252 <first : 11 165 1071 12792218 Rxd3 Rxd3+ Kxf2 Rd2+ Kf3 Rd3+ Kf4 Kc3 g3
>36492 <first : 12 167 1095 13100103 Rxd3 Rxd3+ Kxf2 Rd2+ Kf3 Rd3+ Kf4 Kc3 g3
>36873 <first : 13 169 1133 13590317 Rxd3 Rxd3+ Kxf2 Rd2+ Kf3 Rd3+ Kf4 Kc3 g3
>37664 <first : 14 204 1214 14638687 Rxd3
>37674 <first : ++
>38435 <first : 14 233 1291 15748916 Rxd3 Rxd3+ Kxf2 Rd2+ Kf3 Rd3+ Kf4 Rd1 g3
>39647 <first : 15 255 1412 17401035 Rxd3 Rxd3+ Kxf2 Rd2+ Kf3 Rd3+ Kf4 Rd1 g3
>41249 <first : 16 290 1572 19638104 Rxd3
>41259 <first : ++
>42631 <first : 16 515 1710 21654411 Rxd3 Rxd3+ Kxf2 Rd2+ Kf3 Rd3+ Kf4 Rd1 g3
>46316 <first : 17 522 2078 26766445 Rxd3 Rxd3+ Kxf2 Rd2+ Kf3 Rd3+ Kf4 Rd1 g3
>53026 <first : 18 522 2750 35978459 Rxd3 Rxd3+ Kxf2 Rd2+ Kf3 Rd3+ Kf4 Rd1 g3
>Rg1 Kf3 Kc5 g2 Kd5 Kf2 Rxg2+ Kxg2 Ke5 Kf3 Kf6 Nh4 Kg5 Kg3
>
>(pv's are truncated for readability)
>
>Will
Crafty 17.16 SE
Black(1): 8/3R4/6p1/5n2/1K4p1/r2N1k2/5P2/8 b - - 0 1
Black(1): go
end-game phase
clearing hash tables
time surplus 0.00 time limit 100:00 (100:00)
nss depth time score variation (1)
2-> 0.00 1.47 1. ... Ra2 2. Ne5+ Kxf2 3. Nxg4+
3 0.00 1.61 1. ... Ra2 2. Kc5 Rc2+ 3. Kd5 Rd2
3-> 0.02 1.61 1. ... Ra2 2. Kc5 Rc2+ 3. Kd5 Rd2
4 0.02 1.61 1. ... Ra2 2. Kc5 Rc2+ 3. Kd5 Rd2
4-> 0.02 1.61 1. ... Ra2 2. Kc5 Rc2+ 3. Kd5 Rd2
5 0.03 1.56 1. ... Ra2 2. Kc4 Ke4 3. Kc3 Kf3 4.
Ne5+
5-> 0.05 1.56 1. ... Ra2 2. Kc4 Ke4 3. Kc3 Kf3 4.
Ne5+
6 0.07 1.64 1. ... Ra2 2. Kc4 Ke4 3. Rd5 Rc2+ 4.
Kb3 Rd2 5. Kc4
6-> 0.10 1.64 1. ... Ra2 2. Kc4 Ke4 3. Rd5 Rc2+ 4.
Kb3 Rd2 5. Kc4
7 0.16 1.53 1. ... Ra2 2. Kc3 Re2 3. Rd5 g3 4.
fxg3 Re3 5. Kd2 Kxg3
(2) 7-> 0.30 1.53 1. ... Ra2 2. Kc3 Re2 3. Rd5 g3 4.
fxg3 Re3 5. Kd2 Kxg3
8 0.38 1.55 1. ... Ra2 2. Kc3 Re2 3. Rf7 Re6 4.
Kc2 g3 5. fxg3 Kxg3
(2) 8-> 1.24 1.55 1. ... Ra2 2. Kc3 Re2 3. Rf7 Re6 4.
Kc2 g3 5. fxg3 Kxg3
9 1.43 1.51 1. ... Ra2 2. Kc3 Re2 3. Rd5 Re6 4.
Rc5 g3 5. fxg3 Rd6 6. Ne5+ Kxg3
9 2.66 1.66 1. ... Rxd3 2. Rxd3+ Kxf2 3. Rd2+ Ke3
4. Rc2 g3 5. Rc6 g5 6. Rc3+ Kf4 7.
Kc5
(4) 9-> 3.27 1.66 1. ... Rxd3 2. Rxd3+ Kxf2 3. Rd2+ Ke3
4. Rc2 g3 5. Rc6 g5 6. Rc3+ Kf4 7.
Kc5
(3) 10 4.10 1.73 1. ... Rxd3 2. Rxd3+ Kxf2 3. Rd2+ Ke3
4. Kc3 g3 5. Rd3+ Kf2 <HT>
10-> 4.43 1.73 1. ... Rxd3 2. Rxd3+ Kxf2 3. Rd2+ Ke3
4. Kc3 g3 5. Rd3+ Kf2 <HT>
11 7.75 1.94 1. ... Rxd3 2. Rxd3+ Kxf2 3. Rd2+ Kf3
4. Rd3+ Ke4 5. Kc3 g3 6. Rd1 Kf3 7.
Re1 Ne3 8. Kd3 Nf5 9. Re6
11-> 8.64 1.94 1. ... Rxd3 2. Rxd3+ Kxf2 3. Rd2+ Kf3
4. Rd3+ Ke4 5. Kc3 g3 6. Rd1 Kf3 7.
Re1 Ne3 8. Kd3 Nf5 9. Re6
12 13.68 2.05 1. ... Rxd3 2. Rxd3+ Kxf2 3. Rd2+ Ke3
4. Rc2 g3 5. Rc6 g5 6. Rc3+ Ke4 7.
Kc5 g2 8. Rc1 Ne3 9. Rg1 g4
12-> 15.55 2.05 1. ... Rxd3 2. Rxd3+ Kxf2 3. Rd2+ Ke3
4. Rc2 g3 5. Rc6 g5 6. Rc3+ Ke4 7.
Kc5 g2 8. Rc1 Ne3 9. Rg1 g4
13 25.46 ++ 1. ... Rxd3!!
13-> 30.89 2.44 1. ... Rxd3 2. Rxd3+ Kxf2 3. Rd2+ Ke3
4. Rc2 g3 5. Rc6 g5 6. Rc3+ Ke4 7.
Kc5 g2 8. Rc1 Ne3 9. Rg1 g4
14 50.39 2.58 1. ... Rxd3 2. Rxd3+ Kxf2 3. Rd2+ Ke3
4. Rc2 g3 5. Rc6 g5 6. Rg6 Kf4 7. Ra6
g2 8. Ra1 Kg3 9. Rg1 Kf2
14-> 1:00 2.58 1. ... Rxd3 2. Rxd3+ Kxf2 3. Rd2+ Ke3
4. Rc2 g3 5. Rc6 g5 6. Rg6 Kf4 7. Ra6
g2 8. Ra1 Kg3 9. Rg1 Kf2
15 1:29 ++ 1. ... Rxd3!!
15 2:06 4.25 1. ... Rxd3 2. Rxd3+ Kxf2 3. Rd2+ Kf3
4. Rd3+ Kf4 5. Kc5 g3 6. Ra3 g2 7.
Ra1 Ne3 8. Rg1 Kg3 9. Kc6 Kh2 <HT>
15-> 2:22 4.25 1. ... Rxd3 2. Rxd3+ Kxf2 3. Rd2+ Kf3
4. Rd3+ Kf4 5. Kc5 g3 6. Ra3 g2 7.
Ra1 Ne3 8. Rg1 Kg3 9. Kc6 Kh2 <HT>
16 2:58 4.25 1. ... Rxd3 2. Rxd3+ Kxf2 3. Rd2+ Kf3
4. Rd3+ Kf4 5. Kc5 g3 6. Ra3 g2 7.
Ra1 Ne3 8. Rg1 Kg3 9. Kc6 Kh2 <HT>
? 16 3:10 5/23* 1. ... Ra7
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