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Subject: Re: Testposition - The Weekend Nicholas

Author: Enrique Irazoqui

Date: 08:26:50 03/03/01

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On March 03, 2001 at 04:27:10, Sune Larsson wrote:

>
>  [D]1knB4/8/7p/5R2/7K/8/3r4/7B w - - 0 1
>
>  Troitzky, (Schachmaty 1934)
>
>  The title of this one is refeering to a famous movie star.
>  Wasn't it Con Air, something with Las Vegas and Face Off?!
>  And this person might give a clue to the solution of this
>  riddle. It's white to move and win. He has two bishops for
>  a knight and pawn + a rook each. Not much material left to
>  win considered that both white's preachers are thratened
>  at the moment...(1.-Rxd8, 1.-Rh2+).
>
>  Test: Reveal the secrets! White is winning but how?
>        Showing +0.87 or +1.63 won't do...
>        I like this one but then again, I like Nicholas too...;)
>
>  Sune

Deep Shredder found Rb5+ in 8 seconds. Deep Fritz didn't get it in less than 5
minutes.

Enrique

Deep Shredder 5 beta:

  1.00	 0:00 	+2.79-- 	1.Bg5 hxg5+ 2.Kxg5 (8)
  1.00	 0:00 	+1.57-- 	1.Bg5 hxg5+ 2.Kg4 (16)
  1.00	 0:00 	+0.13 	1.Bg5 hxg5+ 2.Kg4 (24)
  1.00	 0:00 	+2.31++ 	1.Bd5 (25)
  1.00	 0:00 	+4.75++ 	1.Bd5 (26)
  1.00	 0:00 	+4.75 	1.Bd5 (27)
  2.00	 0:00 	+4.53 	1.Bd5 Nd6 (112)
  2.00	 0:00 	+4.62++ 	1.Rb5+ Ka7 2.Bd5 (309)
  2.00	 0:00 	+4.92 	1.Rb5+ Ka7 2.Bd5 (399)
  3.00	 0:00 	+5.19++ 	1.Rb5+ Nb6 2.Rxb6+ Ka7 3.Rb7+ Ka6 (921)
  3.00	 0:00 	+7.44++ 	1.Rb5+ Nb6 2.Rxb6+ Kc8 3.Bf6 (937)
  3.00	 0:00 	+7.91 	1.Rb5+ Nb6 2.Rxb6+ Kc8 3.Be7 (1.245)
  4.00	 0:00 	+3.82-- 	1.Rb5+ Nb6 2.Rxb6+ Kc8 3.Bc6 Rxd8 4.Bd7+ Rxd7 5.Rxh6
(9.429) 304.1
  4.00	 0:00 	+3.82 	1.Rb5+ Nb6 2.Rxb6+ Kc8 3.Bc6 Rxd8 4.Bd7+ Rxd7 5.Rxh6
(9.466) 305.3
  4.00	 0:00 	+4.56++ 	1.Bd5 Nd6 2.Re5 Rh2+ 3.Kg3 Rc2 (9.488) 306.0
  4.00	 0:00 	+4.56 	1.Bd5 Nd6 2.Re5 Rh2+ 3.Kg3 Rc2 (9.504) 306.5
  5.00	 0:00 	+4.56 	1.Bd5 Nd6 2.Re5 Rh2+ 3.Kg3 Rc2 (9.547) 307.9
  6.00	 0:00 	+4.34 	1.Bd5 Nd6 2.Rh5 Rd4+ 3.Kh3 Rd3+ 4.Kg4 Rd4+ 5.Kf3 (21.988)
354.6
  7.01	 0:00 	+4.40 	1.Bd5 Nd6 2.Rh5 Rd4+ 3.Kh3 Rd3+ 4.Kg4 Rd4+ 5.Kg3 Ne4+ 6.Kh3
Kc8 7.Bg5 (52.935) 423.4
  8.01	 0:00 	+4.15-- 	1.Bd5 Nd6 2.Rh5 Ne4 3.Be6 Rxd8 4.Kg4 Ka7 5.Rxh6 (106.530)
379.1
  8.01	 0:00 	+3.65-- 	1.Bd5 Nd6 2.Rh5 Ne4 3.Kh3 Nc3 4.Bb7 Kxb7 5.Rxh6 Rxd8
(109.351) 368.1
  8.01	 0:00 	+2.37 	1.Bd5 Nd6 2.Re5 Nf7 3.Bf6 Nxe5 4.Bxe5+ Kc8 (132.942) 370.3
  8.02	 0:00 	+2.39++ 	1.Rb5+ Nb6 2.Bxb6 Kc8 3.Kg3 Rd3+ 4.Kf2 Rh3 (135.867)
378.4
  8.02	 0:00 	+2.75++ 	1.Rb5+ Nb6 2.Bxb6 Rd7 (136.582) 380.4
  8.02	 0:00 	+3.56 	1.Rb5+ Nb6 2.Bxb6 Rh2+ 3.Kg3 Rxh1 4.Kg2 Rh2+ 5.Kxh2 h5
(196.390) 237.1
  9.01	 0:01 	+3.31-- 	1.Rb5+ Nb6 2.Rxb6+ Kc8 3.Rb8+ Kxb8 4.Kg4 Rxd8 (320.589)
209.3
  9.01	 0:02 	+2.81-- 	1.Rb5+ Nb6 2.Rxb6+ Kc8 3.Bf6 Rh2+ 4.Kg3 Rxh1 5.Kg2 Re1
6.Bd4 Kd7 7.Rxh6 (376.234) 177.0
  9.01	 0:04 	+0.90 	1.Rb5+ Nb6 2.Bxb6 Rh2+ 3.Kg3 Rxh1 4.Re5 Ra1 5.Re7 Ra4 6.Re5
(514.258) 122.8
  9.02	 0:04 	+0.91++ 	1.Bd5 Rc2 (533.109) 125.9
  9.02	 0:04 	+1.27++ 	1.Bd5 Nd6 2.Re5 Nc4 3.Bf6 Kc8 4.Bf3 Kd7 5.Kg3 Nxe5 6.Bxe5
(545.549) 127.4
  9.02	 0:04 	+2.26 	1.Bd5 Nd6 2.Re5 Nc4 3.Bf6 Nxe5 4.Bxe5+ Kc8 5.Be4 (586.992)
133.7
 10.01	 0:05 	+2.29 	1.Bd5 Nd6 2.Re5 Nc4 3.Bf6 Nxe5 4.Bxe5+ Kc8 5.Be6+ Kd8 6.Bf4
(812.173) 154.2
 10.02	 0:05 	+2.38++ 	1.Rb5+ Nb6 2.Bxb6 Kc8 3.Kg4 Kd7 (818.806) 153.6
 10.02	 0:05 	+2.74++ 	1.Rb5+ Nb6 2.Bxb6 h5 3.Rxh5 Rh2+ 4.Kg4 Rd2 (820.791)
153.1
 10.02	 0:08 	+3.45 	1.Rb5+ Nb6 2.Bxb6 Rh2+ 3.Kg3 Rxh1 4.Kg2 Rb1 5.Rxb1 h5
(1.053.212) 125.9
 11.01	 0:09 	+3.71++ 	1.Rb5+ Nb6 2.Bxb6 Rh2+ 3.Kg3 Rxh1 4.Kg2 Rd1 5.Be3+ Kc7
6.Rh5 Kb8 7.Rxh6 (1.230.329) 136.2
 11.01	 0:10 	+3.95 	1.Rb5+ Nb6 2.Bxb6 Rh2+ 3.Kg3 Rxh1 4.Kg2 Rd1 5.Be3+ Kc7
6.Rh5 Kd7 7.Rxh6 (1.344.909) 133.4
 12.01	 0:13 	+3.99 	1.Rb5+ Nb6 2.Bxb6 Rh2+ 3.Kg3 Rxh1 4.Kg2 Rd1 5.Be3+ Kc7
6.Rh5 Kd6 7.Rxh6+ Ke5 (1.884.187) 143.8
 13.01	 0:16 	+4.01 	1.Rb5+ Nb6 2.Bxb6 Rh2+ 3.Kg3 Rxh1 4.Kg2 Rd1 5.Be3+ Kc7
6.Rh5 Kd6 7.Kf2 Ke7 8.Rxh6 (2.943.726) 178.7
 14.01	 0:20 	+4.03 	1.Rb5+ Nb6 2.Bxb6 Rh2+ 3.Kg3 Rxh1 4.Kg2 Rd1 5.Be3+ Kc7
6.Rh5 Rd3 7.Bf4+ Kb6 8.Bxh6 Kc6 9.Bg7 Rd5 (5.009.352) 238.8
 15.01	 0:30 	+4.09 	1.Rb5+ Nb6 2.Bxb6 Rh2+ 3.Kg3 Rxh1 4.Kg2 Rd1 5.Be3+ Kc7
6.Rh5 Kc6 7.Kf3 Rb1 8.Bxh6 Rb5 9.Rh4 (8.433.728) 278.9
 16.01	 0:44 	+4.09 	1.Rb5+ Nb6 2.Bxb6 Rh2+ 3.Kg3 Rxh1 4.Kg2 Rd1 5.Be3+ Kc8
6.Rh5 Rd6 7.Kg3 Rg6+ 8.Kh3 Kc7 9.Bxh6 (14.466.261) 327.0
 17.01	 1:16 	+4.13 	1.Rb5+ Nb6 2.Bxb6 Rh2+ 3.Kg3 Rxh1 4.Kg2 Rd1 5.Be3+ Kc8
6.Bf4 Kd7 7.Rh5 Ke6 8.Kf3 Rd5 9.Rxh6+ Kf5 10.Ke3 (23.497.813) 308.6
 18.01	 2:17 	+3.88-- 	1.Rb5+ Nb6 2.Bxb6 Rh2+ 3.Kg3 Rxh1 4.Kg2 Rd1 5.Be3+ Kc7
6.Rh5 Kc6 7.Kh3 Rd5 8.Ba7 Rxh5+ 9.Kg4 (54.544.436) 396.6
 18.01	 2:19 	+3.89 	1.Rb5+ Nb6 2.Bxb6 Rh2+ 3.Kg3 Rxh1 4.Kg2 Rd1 5.Be3+ Kc7
6.Rh5 Kc6 7.Rc5+ Kd7 8.Rh5 Rd6 9.Bf4 Rg6+ 10.Kf3 Rf6 11.Rd5+ Ke6 12.Re5+ Kd6
13.Rb5+ Kd7 14.Rc5 (55.513.979) 399.1
 19.01	 4:02 	+3.91 	1.Rb5+ Nb6 2.Bxb6 Rh2+ 3.Kg3 Rxh1 4.Kg2 Rd1 5.Be3+ Kc7
6.Ra5 Kc6 7.Ra6+ Kd5 8.Ra8 Rd3 9.Bxh6 (104.189.391) 429.1
 20.01	 6:53 	+3.89 	1.Rb5+ Nb6 2.Bxb6 Rh2+ 3.Kg3 Rxh1 4.Kg2 Rd1 5.Kf3 h5 6.Bd8+
Kc8 7.Bh4 Rd6 8.Bg3 Rc6 9.Be5 (195.344.043) 472.8
 21.01	14:38 	+3.92 	1.Rb5+ Nb6 2.Bxb6 Rh2+ 3.Kg4 Rxh1 4.Bd8+ Kc8 5.Bh4 Kd7
6.Kh5 Ke6 7.Rb6+ Ke5 8.Rb4 Kd5 9.Rg4 (440.000.872) 500.8



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