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Subject: Re: Test Move......About 9 ply for Ruffian...

Author: Uri Blass

Date: 08:19:51 12/08/02

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On December 08, 2002 at 11:13:27, Ulrich Tuerke wrote:

>Agreed.
>Finally, afer 11 minutes , comet prefers Qg6 too (although I think that Rxf5
>suffices to win anyway).

Yace has a different opinion
After 13 minutes on 1000Mhz it finally prefers R1xf5 again.

New position
[D]r2q1rk1/pp1b1Rp1/4p2p/4PnNQ/2pP4/2P1B3/P5PP/5RK1 w - - 0 1

Analysis by Yace 0.99.56:

1.Rf7xf8+ Qd8xf8
  ±  (1.02)   Depth: 1   00:00:00
1.Qh5-g6 Rf8xf7 2.Ng5xf7
  ±  (0.96)   Depth: 3   00:00:00
1.Qh5-g6 Rf8xf7 2.Ng5xf7
  ±  (0.96)   Depth: 3   00:00:00
1.Qh5-g6 Rf8xf7 2.Ng5xf7
  ±  (0.96)   Depth: 3   00:00:00
1.Qh5-g6 Rf8xf7 2.Ng5xf7
  ±  (0.96)   Depth: 3   00:00:00
1.Qh5-g6 Rf8xf7 2.Rf1xf5
  ²  (0.56)   Depth: 4   00:00:00
1.Qh5-g6 Rf8xf7 2.Ng5xf7 Qd8-e8 3.Rf1xf5 e6xf5 4.Nf7xh6+ Kg8-h8
  ²  (0.46)   Depth: 4   00:00:00
1.Rf7xf8+ Qd8xf8 2.g2-g4 Nf5xe3 3.Rf1xf8+ Kg8xf8
  ²  (0.47)   Depth: 4   00:00:00
1.Rf7xf8+ Qd8xf8 2.g2-g4 Qf8-e8 3.Qh5xe8+ Ra8xe8 4.g4xf5
  ²  (0.68)   Depth: 4   00:00:00
1.g2-g4 Qd8xg5 2.Be3xg5 h6xg5
  ²  (0.69)   Depth: 4   00:00:00
1.g2-g4 h6xg5 2.Rf7xf8+ Qd8xf8 3.g4xf5 e6xf5
  ±  (0.74)   Depth: 4   00:00:00
1.g2-g4 h6xg5 2.Rf7xf8+ Qd8xf8 3.g4xf5 e6xf5
  ±  (0.74)   Depth: 5   00:00:00  42kN
1.g2-g4 h6xg5 2.Rf7xf8+ Qd8xf8 3.g4xf5 e6xf5 4.Qh5-f3 b7-b6
  ²  (0.63)   Depth: 6   00:00:00  142kN
1.g2-g4 h6xg5 2.Rf7xf8+ Qd8xf8 3.g4xf5 e6xf5 4.Qh5-f3 f5-f4 5.Qf3xb7
  ±  (0.72)   Depth: 7   00:00:00  397kN
1.Rf1xf5 e6xf5 2.Rf7xg7+ Kg8xg7 3.Ng5-e6+ Bd7xe6 4.Be3xh6+ Kg7-h7 5.Bh6-g5+
Kh7-g7 6.Qh5-h6+ Kg7-f7 7.Bg5xd8 Rf8-e8
  ±  (0.73)   Depth: 7   00:00:01  477kN
1.Rf1xf5 e6xf5 2.Rf7xg7+ Kg8xg7 3.Ng5-e6+ Kg7-g8 4.Ne6xd8 Bd7-e8 5.Qh5xh6 Be8-h5
  +-  (2.03)   Depth: 7   00:00:01  477kN
1.Rf1xf5 e6xf5 2.Rf7xg7+ Kg8xg7 3.Ng5-e6+ Bd7xe6 4.Be3xh6+ Kg7-h7 5.Bh6-g5+
Kh7-g7 6.Qh5-h6+ Kg7-f7 7.Bg5xd8 Rf8-e8 8.Bd8-f6
  +-  (3.20)   Depth: 7   00:00:01  477kN
1.Rf1xf5 e6xf5 2.Rf7xg7+ Kg8xg7 3.Ng5-e6+ Bd7xe6 4.Be3xh6+ Kg7-h7 5.Bh6-g5+
Kh7-g7 6.Qh5-h6+ Kg7-f7 7.Bg5xd8 Rf8-e8 8.Qh6-h7+ Kf7-f8 9.Bd8-f6
  +-  (3.26)   Depth: 8   00:00:02  910kN
1.Rf1xf5 e6xf5 2.Rf7xg7+ Kg8xg7 3.Ng5-e6+ Bd7xe6 4.Be3xh6+ Kg7-h7 5.Bh6-g5+
Kh7-g7 6.Qh5-h6+ Kg7-f7 7.Bg5xd8 Rf8-e8 8.Qh6-f6+ Kf7-g8 9.Qf6-g6+ Kg8-f8
10.Bd8-f6
  +-  (3.29)   Depth: 9   00:00:05  2436kN
1.Qh5-g6 Rf8xf7 2.Qg6-h7+ Kg8-f8 3.d4-d5 Kf8-e8 4.Be3-c5 Rf7-f8 5.Rf1xf5 Bd7-c6
6.Rf5xf8+ Ke8-d7
  +-  (3.30)   Depth: 9   00:00:08  3376kN
1.Qh5-g6 Rf8xf7 2.Qg6-h7+ Kg8-f8 3.d4-d5 Qd8-c8 4.Qh7-h8+ Kf8-e7 5.d5-d6+ Nf5xd6
6.e5xd6+ Ke7xd6 7.Ng5xf7+ Kd6-c6 8.Qh8xg7 h6-h5 9.Rf1-d1
  +-  (3.55)   Depth: 9   00:00:08  3783kN
1.Qh5-g6 Rf8xf7 2.Qg6-h7+ Kg8-f8 3.d4-d5 Qd8-c8 4.Qh7-h8+ Kf8-e7 5.d5-d6+ Nf5xd6
6.e5xd6+ Ke7xd6 7.Ng5xf7+ Kd6-c6 8.Qh8xg7 h6-h5 9.Rf1-d1 Qc8-h8 10.Nf7xh8 Ra8xh8
  +-  (3.95)   Depth: 10   00:00:13  5622kN
1.Qh5-g6 Qd8xg5 2.Rf7xf8+ Ra8xf8 3.Be3xg5 h6xg5 4.Qg6xg5 Bd7-c6 5.g2-g4 Nf5-h6
6.Rf1xf8+ Kg8xf8 7.Qg5-f4+ Kf8-e7 8.h2-h4
  +-  (4.57)   Depth: 10   00:00:20  9103kN
1.Qh5-g6 Qd8xg5 2.Rf7xf8+ Ra8xf8 3.Be3xg5 h6xg5 4.Qg6xg5 Bd7-c6 5.g2-g4 Nf5-h6
6.Rf1xf8+ Kg8xf8 7.Qg5-g6 Bc6-d5 8.h2-h4
  +-  (4.62)   Depth: 11   00:00:35  15831kN
1.Qh5-g6 Qd8xg5 2.Rf7xf8+ Ra8xf8 3.Be3xg5 h6xg5 4.Qg6xg5 Bd7-c6 5.g2-g4 Nf5-h6
6.h2-h4 Nh6-f7 7.Qg5-e7 Bc6-d5 8.Kg1-h2
  +-  (4.56)   Depth: 12   00:01:21  37802kN
1.Qh5-g6 Qd8xg5 2.Rf7xf8+ Ra8xf8 3.Be3xg5 h6xg5 4.Qg6xg5 Bd7-c6 5.g2-g4 Nf5-h6
6.h2-h4 Nh6-f7 7.Qg5-e7 Bc6-d5 8.Kg1-h2 a7-a5
  +-  (4.60)   Depth: 13   00:03:50  101731kN
1.Qh5-g6 Qd8xg5 2.Rf7xf8+ Ra8xf8 3.Be3xg5 h6xg5 4.Qg6xg5 Bd7-c6 5.g2-g4 Nf5-h6
6.h2-h3 Rf8xf1+ 7.Kg1xf1
  +-  (4.60)   Depth: 14   00:09:54  252506kN
1.Rf1xf5 e6xf5 2.Qh5-g6 Rf8xf7 3.Qg6-h7+ Kg8-f8 4.d4-d5 Kf8-e8 5.Be3-c5 Qd8-e7
6.Bc5xe7 h6xg5 7.Be7xg5 Ra8-d8 8.Bg5xd8 Rf7-f8 9.e5-e6 Rf8-f7
  +-  (4.61)   Depth: 14   00:12:59  332416kN
1.Rf1xf5 e6xf5 2.Qh5-g6 Rf8xf7 3.Qg6-h7+ Kg8-f8 4.d4-d5 Kf8-e8 5.Be3-c5 Qd8-e7
6.Bc5xe7 h6xg5 7.Be7xg5 Rf7-f8 8.Qh7xg7 Bd7-e6 9.d5xe6 Rf8-f7 10.e6xf7+ Ke8-d7
  +-  (5.00)   Depth: 14   00:13:34  345020kN
1.Rf1xf5 e6xf5 2.Qh5-g6 Rf8xf7 3.Qg6-h7+ Kg8-f8 4.d4-d5 Kf8-e8 5.Be3-c5 Qd8-e7
6.Bc5xe7 h6xg5 7.Be7xg5 Bd7-c8 8.e5-e6 b7-b6 9.e6xf7+ Ke8xf7 10.Bg5-h6 Bc8-b7
11.Bh6xg7 Bb7xd5 12.Qh7xf5+ Kf7xg7 13.Qf5xd5
  +-  (6.00)   Depth: 14   00:13:59  353740kN
1.Rf1xf5 e6xf5 2.Qh5-g6 Rf8xf7 3.Qg6-h7+ Kg8-f8 4.d4-d5 Kf8-e8 5.Be3-c5 Bd7-e6
6.Ng5xe6 Qd8-e7 7.Bc5xe7 Ke8xe7 8.Ne6xg7 Ra8-f8 9.d5-d6+ Ke7-d8 10.Ng7-e6+
Kd8-c8 11.Qh7xh6
  +-  (6.39)   Depth: 14   00:15:12  383896kN
1.Rf1xf5 e6xf5 2.Qh5-g6 Rf8xf7 3.Qg6-h7+ Kg8-f8 4.d4-d5 Kf8-e8 5.Be3-c5 Bd7-e6
6.Ng5xe6 Qd8-e7 7.Bc5xe7 Ke8xe7 8.Ne6xg7 Ra8-f8 9.d5-d6+ Ke7-d7 10.e5-e6+ Kd7xd6
11.e6xf7 Rf8-g8
  +-  (6.79)   Depth: 15   00:23:37  598850kN

(Blass, Tel-aviv 08.12.2002)

Uri



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