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Subject: Re: yet another "avoid move" test position - TOO EASY

Author: Mark Young

Date: 14:13:31 02/26/00

On February 26, 2000 at 12:27:44, Mike S. wrote:

>For all who like "avoid move" positions, here's another one; a quite extreme
>example I think. It occurs after the following moves:
>
>Noordijk - Landau [B02]
>Rotterdam, 1927
>[Gelenczei 1958]
>
>1.e4 Nf6 2.e5 Nd5 3.Nf3 d6 4.Bc4 Nb6 5.Bxf7+ Kxf7 6.Ng5+ Kg6 7.Qf3
>[D]rnbq1b1r/ppp1p1pp/1n1p2k1/4P1N1/8/5Q2/PPPP1PPP/RNB1K2R b KQ - 0 7
>7...Kxg5?? 8.Qf7 g6 9.d4+ [9.d3+ Kh5 10.Qf4 h6 11.g3 Bg4 12.h3 Qd7 13.hxg4#]
>9...Kh5 10.Qf4 h6 11.h3 g5 12.Qf7+ Kh4 13.g3# 1-0
>
>But black must not only avoid 7...Kxg5, he should play 7...Qe8 (7...Bf5 is also
>bad). Some programs are not prepared for this variation; a good chance to catch
>them in the opening - but it's risky. Black get's big advantage if he defends
>correctly.
>
>Regards,
>M.Scheidl
New position
rnbq1b1r/ppp1p1pp/1n1p2k1/4P1N1/8/5Q2/PPPP1PPP/RNB1K2R b KQ - 0 1

Analysis by Fritz 6:

1...Kg6xg5
  -+  (-2.53)   Depth: 1/5   00:00:00
1...Kg6xg5 2.d2-d4+ Kg5-g6
  -+  (-4.56)   Depth: 1/6   00:00:00
1...Kg6xg5 2.d2-d4+ Kg5-g6
  -+  (-4.56)   Depth: 2/8   00:00:00
1...Kg6xg5
  -+  (-4.22)   Depth: 3/10   00:00:00
1...Kg6xg5 2.h2-h4+ Kg5-g6 3.h4-h5+ Kg6-h6 4.d2-d4+ g7-g5 5.h5xg6+ Kh6xg6
  -+  (-3.94)   Depth: 3/12   00:00:00  1kN
1...Kg6xg5 2.h2-h4+ Kg5-g6 3.h4-h5+ Kg6-h6 4.d2-d4+ g7-g5 5.h5xg6+
  -+  (-3.94)   Depth: 4/13   00:00:00  5kN
1...Kg6xg5--
  -+  (-3.59)   Depth: 5/14   00:00:00  11kN
1...Kg6xg5 2.h2-h4+ Kg5-g6 3.h4-h5+ Kg6-h6 4.Qf3-g3 g7-g5 5.h5xg6+ Kh6-g7
6.g6xh7+
  -+  (-2.03)   Depth: 5/20   00:00:00  18kN
1...Kg6xg5--
  -+  (-1.72)   Depth: 6/17   00:00:00  65kN
1...Kg6xg5 2.h2-h4+ Kg5-g6 3.h4-h5+ Kg6-h6 4.Qf3-f7 g7-g5
  -+  (-1.66)   Depth: 6/19   00:00:00  91kN
1...Kg6xg5--
  µ  (-1.34)   Depth: 7/17   00:00:01  221kN
1...Kg6xg5 2.h2-h4+ Kg5-g6 3.h4-h5+ Kg6-h6 4.Qf3-f7 e7-e6 5.d2-d4+ Qd8-g5
6.Bc1xg5+
  +-  (2.03)   Depth: 7/29   00:00:01  273kN
1...Bc8-f5
  +-  (2.00)   Depth: 7/29   00:00:01  429kN
1...Bc8-f5 2.g2-g4 Qd8-c8 3.g4xf5+ Qc8xf5 4.Qf3xf5+ Kg6xf5 5.Ng5-f7
  ±  (0.75)   Depth: 7/29   00:00:03  711kN
1...Qd8-e8
  ±  (0.72)   Depth: 7/29   00:00:03  873kN
1...Qd8-e8 2.e5-e6 h7-h5 3.Ng5-f7 Rh8-g8 4.Qf3-e4+ Kg6-f6 5.Qe4-h7
  µ  (-0.72)   Depth: 7/29   00:00:06  1488kN
1...Qd8-e8--
  ³  (-0.41)   Depth: 8/20   00:00:06  1606kN
1...Qd8-e8 2.g2-g4 d6xe5 3.h2-h4 h7-h5 4.Qf3-e4+ Kg6-f6 5.Qe4-f3+ Kf6-g6
  =  (0.00)   Depth: 8/32   00:00:08  2237kN
1...Qd8-e8 2.g2-g4 d6xe5 3.h2-h4 h7-h5 4.Qf3-e4+ Kg6-f6 5.Qe4-f3+ Kf6-g6
  =  (0.00)   Depth: 9/36   00:00:11  3078kN
1...Qd8-e8 2.g2-g4 d6xe5 3.h2-h4 h7-h5 4.Qf3-e4+ Kg6-f6 5.Qe4-f3+ Kf6-g6
  =  (0.00)   Depth: 10/34   00:00:25  6926kN
1...Qd8-e8--
  ²  (0.47)   Depth: 11/37   00:00:43  12023kN
1...Qd8-e8 2.e5-e6 h7-h5 3.g2-g4 Kg6-h6 4.Qf3-d3 g7-g6 5.Ng5-f7+ Kh6-h7 6.g4xh5
  ±  (0.91)   Depth: 11/37   00:00:52  14411kN
1...Qd8-e8 2.e5-e6 h7-h5 3.g2-g4 h5xg4 4.Qf3xg4 Rh8-h6 5.h2-h4 Kg6-f6 6.d2-d4
  ±  (0.97)   Depth: 12/35   00:01:47  30220kN
1...Qd8-e8 2.e5-e6 h7-h5 3.g2-g4 h5xg4 4.Qf3xg4 Rh8-h5 5.Ng5-f7+ Kg6-f6 6.Qg4xh5
  ±  (1.06)   Depth: 13/39   00:04:28  78133kN

(Young, 26.02.2000)

Re: even another "avoid move" test position! Mike S. 16:08:36 02/26/00
- Re: even another "avoid move" test position! blass uri 16:21:28 02/26/00
  - Re: The problem is to find Bxg6 and not to avoid gxh5 blass uri 16:26:54 02/26/00
    - Re: I am not sure if it is a good problem blass uri 16:34:58 02/26/00
      - Re: I am not sure if it is a good problem Mark Young 09:12:10 02/27/00
        
        Re: I am not sure if it is a good problem Mike S. 10:57:28 02/27/00
      - Re: I am not sure if it is a good problem Mike S. 05:29:40 02/27/00
      - Re: I am not sure if it is a good problem Jeremiah Penery 05:12:29 02/27/00

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