Author: Andrew Williams
Date: 03:20:55 02/17/02
Go up one level in this thread
On February 17, 2002 at 04:55:13, Steffen Jakob wrote:
>Here is another position which is easy to solve for humans. In a blitz game
>between Hossa and Arasan the following position was on the board:
>
>[D]8/8/4B2p/2K5/r5P1/p5k1/Rb6/8 b - - 7 116
>
>For humans it's rather easy to see that 117... Rxg4 wins without any problems
>because the white rook is totally paralyzed. Unfortunately Hossa wasn't able to
>see this in the blitz game. So the game continued until the 50 moves rule forced
>Hossa to take the bishop and finally to win the game.
>Which engines find 117... Rxg4 in which time?
>
PM takes the Pawn in 0 seconds:
1> 123 0 15 1...Ra6
1b 124 0 34 1...Rd4
1b 145 0 56 1...Rxg4
1= 186 0 118 1...Rxg4 2.Bxg4 Kxg4
2> 186 0 122 1...Rxg4 2.Bxg4 Kxg4
2= 186 0 154 1...Rxg4 2.Bxg4 Kxg4
3> 186 0 179 1...Rxg4 2.Bxg4 Kxg4
3= 186 0 313 1...Rxg4 2.Bxg4 Kxg4
4> 186 0 417 1...Rxg4 2.Bxg4 Kxg4
4= 186 0 769 1...Rxg4 2.Bxg4 Kxg4
5> 178 0 1807 1...Rxg4 2.Bxg4 Kxg4 3.Kc6
5= 178 0 2160 1...Rxg4 2.Bxg4 Kxg4 3.Kc6
6> 178 0 2625 1...Rxg4 2.Bxg4 Kxg4 3.Kd5 h5
6= 191 0 5032 1...Rxg4 2.Bxg4 Kxg4 3.Kd5 h5
7> 191 0 6336 1...Rxg4 2.Bxg4 Kxg4 3.Kd5 h5
7= 191 0 11697 1...Rxg4 2.Bxg4 Kxg4 3.Kd5 h5
8> 191 0 13605 1...Rxg4 2.Bxg4 Kxg4 3.Kc6 h5 4.Kd5 h4
8= 219 0 28546 1...Rxg4 2.Bxg4 Kxg4 3.Kc6 h5 4.Kd5 h4
9> 219 0 33045 1...Rxg4 2.Bxg4 Kxg4 3.Kc6 h5 4.Kd5 h4
9= 219 0 62284 1...Rxg4 2.Bxg4 Kxg4 3.Kc6 h5 4.Kd5 h4
10> 219 0 71054 1...Rxg4 2.Bxg4 Kxg4 3.Kc6 h5 4.Kd6 h4 5.Kd5 h3
10= 249 0 156457 1...Rxg4 2.Bxg4 Kxg4 3.Kc6 h5 4.Kd6 h4 5.Kd5 h3
11> 249 0 172800 1...Rxg4 2.Bxg4 Kxg4 3.Kc6 h5 4.Kd6 h4 5.Kd5 h3
11= 249 1 283914 1...Rxg4 2.Bxg4 Kxg4 3.Kc6 h5 4.Kd6 h4 5.Kd5 h3
12> 249 1 315233 1...Rxg4 2.Bxg4 Kxg4 3.Kc6 h5 4.Kd6 h4 5.Ke6 h3
6.Kd5 h2
12= 337 4 1018346 1...Rxg4 2.Bc8 h5 3.Bb7 h4 4.Kd6 h3 5.Bh1 h2
6.Kc5 Rg5 7.Kc6 Kf4
13> 222 8 2401091 1...Rxg4 2.Bxg4 Kxg4 3.Kd5 h5 4.Ke4 h4 5.Ke3 h3
6.Kf2 Bd4 7.Ke2
Andrew
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.