Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Bug in Bruja/Simon

Author: Odd Gunnar Malin

Date: 02:47:10 06/14/05

Go up one level in this thread


On June 14, 2005 at 05:31:26, Steve Maughan wrote:

>Uri,
>
>>If I understand correctly bruja assumes that a side with only 2 knights cannot
>>win.
>>
>>It is wrong and the results is that
>>Bruja cannot see simple mates except mate in 1 for the side to move.
>
>you are of course correct that there are some cases where two knights can mate
>but in real games I would say that you'll never find such a situation.
>
>Steve

I found a game with 2 knights agains one.

[Event "Ch Russia"]
[Site "Toljatti (Russia)"]
[Date "2000"]
[Round "7"]
[White "Pervushov Maksim (RUS)"]
[Black "Yanvarev Vladislav (RUS)"]
[Result "1-0"]
[Eco "B07"]

1.e4 d6 2.d4 g6 3.Nc3 Bg7 4.Be3 Nf6 5.f3 O-O 6.Qd2 Nbd7 7.O-O-O
c6 8.g4 b5 9.h4 Qa5 10.a3 Rb8 11.h5 b4 12.Nb1 c5 13.hxg6 fxg6
14.Bc4+ d5 15.exd5 Nb6 16.Qe2 bxa3 17.Nxa3 Nfxd5 18.Bh6 Bxh6+
19.Rxh6 Nxc4 20.Nxc4 Qa1+ 21.Kd2 Qa6 22.b3 Qf6 23.Qe5 Qxe5 24.dxe5
Bb7 25.Rh2 Rbd8 26.Kc1 Nc3 27.Rxd8 Rxd8 28.Rd2 Rxd2 29.Kxd2 Nb5
30.f4 Bc8 31.Ne3 Nd4 32.Ne2 Nf3+ 33.Kd3 h5 34.gxh5 gxh5 35.Ke4
Nd2+ 36.Kd5 h4 37.Kxc5 h3 38.Kc6 Ne4 39.Nf1 Bg4 40.Ng1 Nd2 41.Nh2
Bf5 42.b4 Kf7 43.Kb7 Bxc2 44.Kxa7 Ke6 45.b5 Kf5 46.Nxh3 Be4 47.b6
Nc4 48.Nf1 Bg2 49.b7 Bxb7 50.Kxb7 Nxe5 51.Ng3+ Kf6 52.fxe5+ Kxe5
53.Nf2 Kf4 54.Nge4 e5 55.Kc6 Kf5 56.Kd5 Kf4 57.Kc4 Ke3 58.Kc3
Ke2 59.Nh1 Ke3 60.Nhg3 Kf4 61.Kd2 Kf3 62.Kd3 Kf4 63.Ke2 Kg4 64.Ke3
Kh3 65.Nf5 Kg4 66.Ng7 Kh3 67.Nf6 Kh4 68.Ne4 Kg4 69.Ke2 Kf4 70.Kd3
Kf3 71.Nh5 Kg4 72.Nhg3 Kf3 73.Kd2 Kf4 74.Ke2 Kg4 75.Ke3 Kh3 76.Nh5
Kg4 77.Nhf6+ Kf5 78.Kf3 Ke6 79.Kg4 Kf7 80.Kg5 Ke6 81.Kg6 Ke7
82.Kf5 Kd8 83.Ke6 Kc7 84.Kd5 Kb6 85.Ng4 Kc7 86.Ne3 Kb6 87.Nc4+
Kb5 88.Ncd6+ Kb4 89.Kc6 Ka3 90.Kb5 Kb3 91.Kc5 Kb2 92.Kc4 Kc2
93.Nf5 Kb2 94.Ne3 Ka3 95.Nc5 Kb2 96.Kb4 e4 97.Na4+ Kc1 98.Kc3
Kb1 99.Nb2 Ka2 100.Nbc4 Kb1 101.Kd2 Ka2 102.Kc2 Ka1 103.Nd6 Ka2
104.Nb5 Ka1 105.Nf5 e3 106.Nc3 e2 107.Nd4 e1N+ 108.Kb3 1-0

[d]8/8/8/8/3N4/1KN5/8/k3n3 b - -

Odd Gunnar



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.