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Subject: The King v Ant - Mate in 15!

Author: John Merlino

Date: 11:05:12 05/16/03

In the round 1 game between The King and Ant, The King makes a bishop sacrifice
that leads to a forced mate in 15 moves.

[D]5rk1/p4p1p/2p2npQ/4r3/1p3N2/qP3P1B/P6P/KR4R1 w - - 0 26

Finding 26.Be6! is probably not hard for today's engines. But how many can
announce the mate??

On my humble P3-733, The King (using the CM_SKR personality) announces mate in 3
minutes and 17 seconds....

Time	Depth	Score	Positions	Moves
0:00	1/3	1.67	3647		26.Rgc1 Qa6 27.Rd1 Rfe8
0:00	1/4	1.50	12314		26.Rgc1 Ra5 27.Rc2 Rd8 28.Bf1 Nh5
					29.Nxh5 Rxh5
0:00	1/4	1.75	16274		26.Bf1 Rfe8 27.Bc4 Nd5 28.Nxd5 cxd5
0:00	1/4	1.86	25898		26.Rgd1 Rfe8 27.Bd7 Ra5 28.Rb2
0:00	1/5	1.69	55971		26.Rgd1 Rfe8 27.Bd7 Nxd7 28.Rxd7
					Re1 29.Nd3
0:00	1/5	2.38	86250		26.Be6 Rxe6 27.Nxe6 fxe6 28.Rxg6+
					hxg6 29.Qxg6+ Kh8 30.Rg1 Ng4 31.Qh5+
					Kg7 32.Rxg4+ Kf6 33.Qg5+ Kf7
0:01	1/6	7.64	140306		26.Be6 Rxe6 27.Nxe6 fxe6 28.Rxg6+
					hxg6 29.Qxg6+ Kh8 30.Rg1 Rf7 31.Qxf7
					Ng4 32.fxg4
0:01	1/7	7.53	197761		26.Be6 Rxe6 27.Nxe6 fxe6 28.Rxg6+
					hxg6 29.Qxg6+ Kh8 30.Rg1 Rf7 31.Qxf7
					Ng4 32.Qh5+ Kg7 33.Qxg4+ Kf7
0:03	1/8	8.44	409182		26.Be6 Rxe6 27.Nxe6 fxe6 28.Rxg6+
					hxg6 29.Qxg6+ Kh8 30.Rg1 Rf7 31.Qxf7
					Ng4 32.fxg4 Qa5 33.Qf6+ Kh7 34.Qxe6
0:27	1/9	17.44	3495795		26.Be6 Rxe6 27.Nxe6 fxe6 28.Rxg6+
					hxg6 29.Qxg6+ Kh8 30.Rg1 Qc1+ 31.Rxc1
					Ng4 32.Qxg4 Rxf3 33.Qxf3 a6 34.Qh5+
					Kg7 35.Rxc6
0:44	1/10	17.70	5488076		26.Be6 Rxe6 27.Nxe6 fxe6 28.Rxg6+
					hxg6 29.Qxg6+ Kh8 30.Rg1 Qc1+ 31.Rxc1
					Rg8 32.Qxf6+ Kh7 33.Qh4+ Kg7 34.Rg1+
					Kf7 35.Qh7+ Kf6 36.Rxg8
1:26	1/11	18.69	10293422	26.Be6 Rxe6 27.Nxe6 fxe6 28.Rxg6+
					hxg6 29.Qxg6+ Kh8 30.Rg1 Qc1+ 31.Rxc1
					Rg8 32.Qxf6+ Kh7 33.Qh4+ Kg7 34.Rg1+
					Kf7 35.Qf4+ Ke7 36.Rxg8 e5 37.Qxe5+
					Kd7
3:17	1/12	Mate15	26478549	26.Be6 Rxe6 27.Nxe6 fxe6 28.Rxg6+
					hxg6 29.Qxg6+ Kh8 30.Rg1 Qc1+ 31.Rxc1
					Rg8 32.Qxf6+ Kh7 33.Qh4+ Kg6 34.Rg1+
					Kf5 35.Qe4+ Kf6 36.Rxg8 Ke7 37.Qxb4+
					Kf6 38.Qf4+ Ke7 39.Qf8+ Kd7 40.Qd8#

jm

Rebel12 Beta1.01 finds Be6 in 5 seconds but not mate. Eran 14:39:12 05/16/03
Ruffian 1.01 finds Be6 in 11 seconds but not mate. Eran 13:40:11 05/16/03
Re: The King v Ant - Mate in 15! : Chessmaster Settings?? Ralph Patriquin 13:25:17 05/16/03
- Re: The King v Ant - Mate in 15! : Chessmaster Settings?? Hans van der Zijden 16:05:28 05/17/03
  - Re: The King v Ant - Mate in 15! : Chessmaster Settings?? Ralph Patriquin 05:39:46 05/18/03
    - Re: The King v Ant - Mate in 15! : Chessmaster Settings?? Hans van der Zijden 11:26:12 05/18/03
  - Re: The King v Ant - Mate in 15! : Chessmaster Settings?? Peter Berger 16:29:06 05/17/03
    - Re: The King v Ant - Mate in 15! : Chessmaster Settings?? Hans van der Zijden 17:03:52 05/17/03
      - Re: The King v Ant - Mate in 15! : Chessmaster Settings?? Ernst Walet 23:20:09 05/17/03
        
        Re: The King v Ant - Mate in 15! : Chessmaster Settings?? Ernst Walet 11:24:27 05/18/03
- Re: The King v Ant - Mate in 15! : Chessmaster Settings?? John Merlino 13:42:18 05/16/03
Re: The King v Ant - Mate in 15! Axel Schumacher 11:58:27 05/16/03
- Re: The King v Ant - Mate in 15! Kurt Utzinger 12:02:57 05/16/03
  - Re: The King v Ant - Mate in 15! Axel Schumacher 12:12:32 05/16/03

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