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Subject: Re: u2600 Position of the Week

Author: Frank Schneider

Date: 04:36:56 03/01/99

Go up one level in this thread


Gromit likes Bxf5 all the time (Rxf5 is considered once at iteration 6).

Here is some output:

starting iteration 3. alpha=96 beta=181
    new highscore!  Move Bc2xf5 Score=111
Nodes: 1180  nps: 4720
Finished iteration 3 after 0.25 sec. Best move: Bc2xf5  score = 111
Var.:  1.Bc2xf5   kf3-f2

starting iteration 4. alpha=81 beta=166
        fail-low-research of Bc2xf5(-285, -184): Score=-185
    new highscore!  Move Bc2xf5 Score=-185
        fail-high-research of Rf8xf5(-172, -121): Score=-171 (0.33)
        fail-high-research of Rf8xf5(-70, 32000): Score=-69 (0.33)
Nodes: 3859  nps: 9188.1
Finished iteration 4 after 0.42 sec. Best move: Bc2xf5  score = -185
Var.:  1.Bc2xf5

starting iteration 5. alpha=-200 beta=-115
    new highscore!  Move Bc2xf5 Score=-159
Nodes: 13268  nps: 15795.2
Finished iteration 5 after 0.84 sec. Best move: Bc2xf5  score = -159
Var.:  1.Bc2xf5   kf3-f2  2.Re1xe2   kf2xe2  3.Ph2-h3

starting iteration 6. alpha=-189 beta=-104
        fail-low-research of Bc2xf5(-290, -189): Score=-190
    new highscore!  Move Bc2xf5 Score=-190
        fail-high-research of Rf8xf5(-190, -139): Score=-189 (1.1)
    new highscore!  Move Rf8xf5 Score=-189
Nodes: 47792  nps: 17966.9
Finished iteration 6 after 2.66 sec. Best move: Rf8xf5  score = -189
Var.:  1.Rf8xf5   re5xf5  2.Bc2xf5   kf3-f2  3.Re1xe2   kf2xe2  4.Ph2-h3

starting iteration 7. alpha=-204 beta=-119
        fail-low-research of Rf8xf5(-305, -204): Score=-205
    new highscore!  Move Rf8xf5 Score=-217
        fail-high-research of Bc2xf5(-217, -166): Score=-216 (3.1)
    new highscore!  Move Bc2xf5 Score=-198
Nodes: 111437  nps: 20335.2
Finished iteration 7 after 5.48 sec. Best move: Bc2xf5  score = -198
Var.:  1.Bc2xf5   kf3-f2  2.Re1xe2   kf2xe2  3.Ph2-h3   rd4-c4  4.Kc1-b2
re5-b5  5.Kb2-a3   rc4-b4

starting iteration 8. alpha=-228 beta=-143
    new highscore!  Move Bc2xf5 Score=-164
Nodes: 630425  nps: 20134.9
Finished iteration 8 after 31.31 sec. Best move: Bc2xf5  score = -164
Var.:  1.Bc2xf5   kf3-f2  2.Re1xe2   kf2xe2  3.Ph2-h3   rd4-h4  4.Bf5-g4
ke2-e3

starting iteration 9. alpha=-179 beta=-94
    new highscore!  Move Bc2xf5 Score=-164
Nodes: 1040819  nps: 20671.7
Finished iteration 9 after 50.35 sec. Best move: Bc2xf5  score = -164
Var.:  1.Bc2xf5   kf3-f2  2.Re1xe2   kf2xe2  3.Ph2-h3   rd4-d6  4.Bf5-g4
ke2-e1  5.Kc1-b1   rd6-b6  6.Kb1-c2


Frank



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