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Subject: Re: Disappointment as Fritz 5,6+Hiarcs fail to find this elegant move! WHY?

Author: Dann Corbit

Date: 14:18:15 05/09/00

Go up one level in this thread


Amy also finds Bg5 quickly (on ply 8).  How does Phalanx manage it by ply 6?

E:\programme\winboard\Amy>amy

    Amy version Winboard 0.7 (DC rev:0.5), Copyright (C) 2000 Thorsten Greiner
    Amy comes with ABSOLUTELY NO WARRANTY; for details type 'warranty'
    This is free software, and you are welcome to redistribute it
    under certain conditions; type 'distribution'

    No multiprocessor support.

$Id: score.c,v 1.44 2000/03/21 15:18:58 thorsten Exp $
$Id: search.c,v 1.57 2000/03/22 10:19:02 thorsten Exp $

Hashtable sizes: 16384 k, 8192 k, 8192 k
Found 4-men endgame table bases.

White(1): level 40/2400
Timecontrol is 40 moves in 2400 mins
White(1): post
White(1): test \epd.epd
Problem 1:
best move is Bf8
        +---+---+---+---+---+---+---+---+
      8 |*R*|   |   |   |   |   |*K*|*B*|
        +---+---+---+---+---+---+---+---+
      7 |*P*|   |*Q*|*B*|*P*|*P*|   |   |   Hashkey: 8a418cca
        +---+---+---+---+---+---+---+---+
      6 |   |   |   |*P*|   |*N*|*P*| B |
        +---+---+---+---+---+---+---+---+
      5 |   |*P*|   |   |   |   |   |   |   Black (34000, 28000)  PNBRQ
        +---+---+---+---+---+---+---+---+
      4 |   |   |*R*|   | P |   | P |   |   White (34000, 28000)  PNBRQ
        +---+---+---+---+---+---+---+---+
      3 |   | N | N |   |   | P |   |   |
        +---+---+---+---+---+---+---+---+
      2 | P | P | P | Q |   |   |   |   |   Index: 63
        +---+---+---+---+---+---+---+---+
      1 |   |   | K | R |   |   |   | R |   MateThreat: 0 0
        +---+---+---+---+---+---+---+---+
          a   b   c   d   e   f   g   h
TC: 40 moves in 144000 secs
TL: 3150/12600
GamePhase: Opening
It    Time   Score  principal Variation
 6     1.0     +++  1. Kb1
         6      0     108   46046 1. Kb1!
 6     1.2  +0.736  1. Kb1 b4 2. Nd5 Nxd5 3. Qxd5 Rc8
         6     73     124   56562 1. Kb1 b4 2. Nd5 Nxd5 3. Qxd5 Rc8
 6     1.8  +0.736  1. Kb1 b4 2. Nd5 Nxd5 3. Qxd5 Rc8
         6     73     181   86054 1. Kb1 b4 2. Nd5 Nxd5 3. Qxd5 Rc8
 7     3.1  +0.752  1. Kb1 Rc8 2. a3 Bc6 3. Bf4 Bg7 4. Nd4
         7     75     311  154974 1. Kb1 Rc8 2. a3 Bc6 3. Bf4 Bg7 4. Nd4
 7     4.9  +0.752  1. Kb1 Rc8 2. a3 Bc6 3. Bf4 Bg7 4. Nd4
         7     75     496  260660 1. Kb1 Rc8 2. a3 Bc6 3. Bf4 Bg7 4. Nd4
 8     8.5  +0.704  1. Kb1 b4 2. Ne2 Rc8 3. Rc1 Bc6 4. Ned4 e6
         8     70     859  482124 1. Kb1 b4 2. Ne2 Rc8 3. Rc1 Bc6 4. Ned4 e6
 8    13.5     +++  1. Bg5
         8      0    1357  725526 1. Bg5!
 8    24.0  +0.896  1. Bg5 Qc8 2. Kb1 Bg7 3. Bxf6 Bxf6 4. Nd5 Be6
         8     89    2408 1300919 1. Bg5 Qc8 2. Kb1 Bg7 3. Bxf6 Bxf6 4. Nd5 Be6
 8    28.3  +0.896  1. Bg5 Qc8 2. Kb1 Bg7 3. Bxf6 Bxf6 4. Nd5 Be6
         8     89    2833 1536220 1. Bg5 Qc8 2. Kb1 Bg7 3. Bxf6 Bxf6 4. Nd5 Be6
 9    41.7     +++  1. Bg5
         9      0    4178 2320843 1. Bg5!
 9    1:01  +1.840  1. Bg5 Bg7 2. Bxf6 exf6 3. Qxd6 Qxd6 4. Rxd6 Be8 5. Nd4
                    Rac8
         9    184    6137 3460301 1. Bg5 Bg7 2. Bxf6 exf6 3. Qxd6 Qxd6 4. Rxd6
Be8 5. Nd4 Rac8
 9    1:04  +1.840  1. Bg5 Bg7 2. Bxf6 exf6 3. Qxd6 Qxd6 4. Rxd6 Be8 5. Nd4
                    Rac8
         9    184    6465 3643943 1. Bg5 Bg7 2. Bxf6 exf6 3. Qxd6 Qxd6 4. Rxd6
Be8 5. Nd4 Rac8
10    1:51  +1.904  1. Bg5 Bg7 2. Bxf6 exf6 3. Qxd6 Be8 4. Qxc7 Rxc7 5. Nd5
                    Rd7 6. Nd4
        10    190   11164 6151476 1. Bg5 Bg7 2. Bxf6 exf6 3. Qxd6 Be8 4. Qxc7
Rxc7 5. Nd5 Rd7 6. Nd4
10    2:00  +1.904  1. Bg5 Bg7 2. Bxf6 exf6 3. Qxd6 Be8 4. Qxc7 Rxc7 5. Nd5
                    Rd7 6. Nd4
        10    190   12095 6669701 1. Bg5 Bg7 2. Bxf6 exf6 3. Qxd6 Be8 4. Qxc7
Rxc7 5. Nd5 Rd7 6. Nd4
11    3:43  +1.856  1. Bg5 Bg7 2. Bxf6 exf6 3. Qxd6 Be8 4. Kb1 b4 5. Qxc7
                    Rxc7 6. Nd5 Rc4
        11    185   2238912314213 1. Bg5 Bg7 2. Bxf6 exf6 3. Qxd6 Be8 4. Kb1 b4
5. Qxc7 Rxc7 6. Nd5 Rc4
11    4:31  +1.856  1. Bg5 Bg7 2. Bxf6 exf6 3. Qxd6 Be8 4. Kb1 b4 5. Qxc7
                    Rxc7 6. Nd5 Rc4
        11    185   2716714411674 1. Bg5 Bg7 2. Bxf6 exf6 3. Qxd6 Be8 4. Kb1 b4
5. Qxc7 Rxc7 6. Nd5 Rc4
12   11:10  +1.888  1. Bg5 Bg7 2. Bxf6 exf6 3. Qxd6 Be8 4. Qxc7 Rxc7 5. Nd5
                    Rc4 6. Ne3 Rc7 7. Kb1
        12    188   6702733399994 1. Bg5 Bg7 2. Bxf6 exf6 3. Qxd6 Be8 4. Qxc7
Rxc7 5. Nd5 Rc4 6. Ne3 Rc7 7. Kb1
12   13:32  +1.888  1. Bg5 Bg7 2. Bxf6 exf6 3. Qxd6 Be8 4. Qxc7 Rxc7 5. Nd5
                    Rc4 6. Ne3 Rc7 7. Kb1
        12    188   8120840438183 1. Bg5 Bg7 2. Bxf6 exf6 3. Qxd6 Be8 4. Qxc7
Rxc7 5. Nd5 Rc4 6. Ne3 Rc7 7. Kb1
13   13:32    1/42  1. Bg5



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