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Polynomial material balance after 100.000 games

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Verified it is equivalent to the tuning branch results
with parameter values sampled after 100.000 games.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2009-07-24 14:26:49 +01:00
parent 5f232e0667
commit 1b0303b6e9
1 changed files with 7 additions and 7 deletions
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14
src/material.cpp
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@ -41,17 +41,17 @@ namespace {
const Value BishopPairEndgameBonus = Value(97);
// Polynomial material balance parameters
const Value RedundantQueenPenalty = Value(320);
const Value RedundantRookPenalty = Value(554);
const int LinearCoefficients[6] = { 1709, -137, -1185, -166, 141, 59 };
const Value RedundantQueenPenalty = Value(358);
const Value RedundantRookPenalty = Value(536);
const int LinearCoefficients[6] = { 1740, -146, -1246, -197, 206, -7 };
const int QuadraticCoefficientsSameColor[][6] = {
{ 0, 0, 0, 0, 0, 0 }, { 33, -6, 0, 0, 0, 0 }, { 29, 269, -12, 0, 0, 0 },
{ 0, 19, -4, 0, 0, 0 }, { -35, -10, 40, 95, 50, 0 }, { 52, 23, 78, 144, -11, -33 } };
{ 0, 0, 0, 0, 0, 0 }, { 31, -4, 0, 0, 0, 0 }, { 14, 267, -21, 0, 0, 0 },
{ 0, 7, -26, 0, 0, 0 }, { -3, -1, 69, 162, 80, 0 }, { 40, 27, 119, 174, -64, -49 } };
const int QuadraticCoefficientsOppositeColor[][6] = {
{ 0, 0, 0, 0, 0, 0 }, { -5, 0, 0, 0, 0, 0 }, { -33, 23, 0, 0, 0, 0 },
{ 17, 25, -3, 0, 0, 0 }, { 10, -2, -19, -67, 0, 0 }, { 69, 64, -41, 116, 137, 0 } };
{ 0, 0, 0, 0, 0, 0 }, { -9, 0, 0, 0, 0, 0 }, { 49, 32, 0, 0, 0, 0 },
{ -25, 19, -5, 0, 0, 0 }, { 97, -6, 39, -88, 0, 0 }, { 77, 69, -42, 104, 116, 0 } };
// Unmapped endgame evaluation and scaling functions, these
// are accessed direcly and not through the function maps.