The brilliant chess move (31)

[Glarean]

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There's a new "Brilliant" in 'Glarean Magazin':

The Brilliant Chess Move #31 (Mobility):
http://glareanverlag.wordpress.com/2009 ... achzug-31/

You can download the PGN-, CBH- and EPD-files #1-31

Regards: Walter

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[zullil]

.

There's a new "Brilliant" in 'Glarean Magazin':

The Brilliant Chess Move #31 (Mobility):
http://glareanverlag.wordpress.com/2009 ... achzug-31/

You can download the PGN-, CBH- and EPD-files #1-31

Regards: Walter

.

[D] r3k2r/pp2pp1p/8/q2Pb3/2P5/4p3/B1Q2PPP/2R2RK1 w kq - 0 1

[zullil]

I actually chose the same move as Petrosian and Crafty. (What a miracle!) Of course, someone's sure to post that their favorite engine running on some 2^2^...^2-core machine has found something better. Until then ...

Crafty-22.9 agrees with Petrosian:

Code: Select all

search time set to 600.00.
White(1): display

       +---+---+---+---+---+---+---+---+
    8  |<R>| . |   | . |<K>| . |   |<R>|
       +---+---+---+---+---+---+---+---+
    7  |<P>|<P>| . |   |<P>|<P>| . |<P>|
       +---+---+---+---+---+---+---+---+
    6  |   | . |   | . |   | . |   | . |
       +---+---+---+---+---+---+---+---+
    5  |<Q>|   | . |-P-|<B>|   | . |   |
       +---+---+---+---+---+---+---+---+
    4  |   | . |-P-| . |   | . |   | . |
       +---+---+---+---+---+---+---+---+
    3  | . |   | . |   |<P>|   | . |   |
       +---+---+---+---+---+---+---+---+
    2  |-B-| . |-Q-| . |   |-P-|-P-|-P-|
       +---+---+---+---+---+---+---+---+
    1  | . |   |-R-|   | . |-R-|-K-|   |
       +---+---+---+---+---+---+---+---+
         a   b   c   d   e   f   g   h

White&#40;1&#41;&#58; go
              time limit 10&#58;00 (+0.00&#41; &#40;10&#58;00&#41;
              depth   time  score   variation &#40;1&#41;
starting thread 1
                8     0.21   0.26   fxe3 Qc5 Rf3 b6 Qa4+ Kd8 Qb5 f6 Rb1
                8->   0.23   0.26   fxe3 Qc5 Rf3 b6 Qa4+ Kd8 Qb5 f6 Rb1
                9     0.42   0.53   fxe3 Qa3 Bb3 O-O c5 Qb2 Qxb2 Bxb2 Rc4
                9->   0.43   0.53   fxe3 Qa3 Bb3 O-O c5 Qb2 Qxb2 Bxb2 Rc4
               10     0.69   0.59   fxe3 Qa3 Bb3 O-O c5 Kh8 Rf5 Qb2 Qxb2
                                    Bxb2
               10->   0.72   0.59   fxe3 Qa3 Bb3 O-O c5 Kh8 Rf5 Qb2 Qxb2
                                    Bxb2
               11     1.25   0.52   fxe3 Qa3 Bb3 O-O c5 Kh8 Rf5 Qb2 Qxb2
                                    Bxb2 Rcf1
               11->   1.34   0.52   fxe3 Qa3 Bb3 O-O c5 Kh8 Rf5 Qb2 Qxb2
                                    Bxb2 Rcf1
               12     2.32   0.50   fxe3 f6 c5 Rc8 Bb3 Bd6 Qf5 Rxc5 Ba4+
                                    Kf8 Rxc5 Bxc5 Qe4
               12->   2.50   0.50   fxe3 f6 c5 Rc8 Bb3 Bd6 Qf5 Rxc5 Ba4+
                                    Kf8 Rxc5 Bxc5 Qe4
               13    10.47   0.58   fxe3 Qc5 Qa4+ Kf8 Rf3 b6 Bb1 f6 Qd7
                                    Qc8 Qb5 Qc7 g3 a6
               13->  10.97   0.58   fxe3 Qc5 Qa4+ Kf8 Rf3 b6 Bb1 f6 Qd7
                                    Qc8 Qb5 Qc7 g3 a6
               14    13.12   0.48   fxe3 Qc5 Qa4+ Kf8 Rf3 b6 Qd7 f6 Bb1
                                    Qc8 Qb5 Qc7 <HT>
               14->  15.83   0.48   fxe3 Qc5 Qa4+ Kf8 Rf3 b6 Qd7 f6 Bb1
                                    Qc8 Qb5 Qc7 <HT> &#40;s=2&#41;
               15    19.85   0.48   fxe3 Qc5 Qa4+ Kf8 Rf3 b6 Qd7 f6 Bb1
                                    Qc8 Qb5 Qc7 g3 a6 Qc6 Qxc6 dxc6
               15->  23.53   0.48   fxe3 Qc5 Qa4+ Kf8 Rf3 b6 Qd7 f6 Bb1
                                    Qc8 Qb5 Qc7 g3 a6 Qc6 Qxc6 dxc6
               16    53.27   0.41   fxe3 Qc5 Qa4+ Kf8 Rf3 Rg8 Rb1 b6 Qc6
                                    Qxc6 dxc6 Rg7 Rb5 Bd6 c5 bxc5 Rb7
               16->   1&#58;33   0.41   fxe3 Qc5 Qa4+ Kf8 Rf3 Rg8 Rb1 b6 Qc6
                                    Qxc6 dxc6 Rg7 Rb5 Bd6 c5 bxc5 Rb7
               17     2&#58;12   0.39   fxe3 Qc5 Qa4+ Kf8 Rf3 Rg8 Rb1 b6 Qc6
                                    Qxc6 dxc6 Rg7 Rd1 Bd6 Bb1 a6 Be4 Bc7
               17     6&#58;01   0.47   c5 exf2+ Kh1 Qc7 Qxf2 f6 Qf5 Kd8 c6
                                    a5 Qg4 h5 cxb7 Qxb7 Qg7 Re8 Qf7 h4
               17->   6&#58;01   0.47   c5 exf2+ Kh1 Qc7 Qxf2 f6 Qf5 Kd8 c6
                                    a5 Qg4 h5 cxb7 Qxb7 Qg7 Re8 Qf7 h4
               18     8&#58;54   0.60   c5 exf2+ Kh1 f6 Rxf2 Qc7 Qf5 Kd8 Rfc2
                                    Rb8 Re1 Qc8 Qh5 Qc7 Bb3 Ra8 <HT>
               18->   9&#58;59   0.60   c5 exf2+ Kh1 f6 Rxf2 Qc7 Qf5 Kd8 Rfc2
                                    Rb8 Re1 Qc8 Qh5 Qc7 Bb3 Ra8 <HT>
              time=10&#58;00  mat=-1  n=2155919388  fh=89%  nps=3.6M
terminating SMP processes.
White&#40;1&#41;&#58; c5 
              time used&#58;  10&#58;00

Here's the PGN, at least according to scid and my paltry database:

Event "?"]
[Site "Buenos Aires m Rd: 2"]
[Date "1971.??.??"]
[Round "?"]
[White "Petrosian Tigran"]
[Black "Fischer Robert"]
[Result "1-0"]
[ECO "D82"]

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Bf4 Bg7 5.e3 c5 6.dxc5 Qa5 7.Rc1 Ne4 8.cxd5 Nxc3 9.Qd2 Qxa2 10.bxc3 Qa5 11.Bc4 Nd7 12.Ne2 Ne5 13.Ba2 Bf5 14.Bxe5 Bxe5 15.Nd4 Qxc5 16.Nxf5 gxf5 17.O-O Qa5 18.Qc2 f4 19.c4 fxe3 20.c5 Qd2 21.Qa4+ Kf8 22.Rcd1 Qe2 23.d6 Qh5 24.f4 e2 25.fxe5 exd1=Q 26.Rxd1 Qxe5 27.Rf1 f6 28.Qb3 Kg7 29.Qf7+ Kh6 30.dxe7 f5 31.Rxf5 Qd4+ 32.Kh1 1-0

[kgburcham]

[D] r3k2r/pp2pp1p/8/q2Pb3/2P5/4p3/B1Q2PPP/2R2RK1 w - -

Default Settings

15/49 1:16 +0.63 20.c5 Qd2 21.Qa4+ Kf8 22.Rcd1 Qe2 23.g3 Rg8 24.Qb3 Qf3 25.Qxe3 Qxe3 26.fxe3 Bf6 27.d6 (149.098.004) 1951
16/51 2:00 +0.66 20.c5 Qd2 21.Qa4+ Kf8 22.Rcd1 Qe2 23.g3 Rg8 24.Qb3 Qf3 25.Qxe3 Qxe3 26.fxe3 Rg7 27.Rb1 b6 (234.113.003) 1936

[peter]

[D] r3k2r/pp2pp1p/8/q2Pb3/2P5/4p3/B1Q2PPP/2R2RK1 w - -

Default Settings

15/49 1:16 +0.63 20.c5 Qd2 21.Qa4+ Kf8 22.Rcd1 Qe2 23.g3 Rg8 24.Qb3 Qf3 25.Qxe3 Qxe3 26.fxe3 Bf6 27.d6 (149.098.004) 1951
16/51 2:00 +0.66 20.c5 Qd2 21.Qa4+ Kf8 22.Rcd1 Qe2 23.g3 Rg8 24.Qb3 Qf3 25.Qxe3 Qxe3 26.fxe3 Rg7 27.Rb1 b6 (234.113.003) 1936

Is that Zappa Mexico II?

[kgburcham]

Yes