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CuckooChess: Back-ported Texel improvements to CuckooChess. +24 ELO against previous version after 1894 games at 60/6 time control.

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This commit is contained in:
Peter Osterlund
2012-07-15 10:39:23 +00:00
parent 6861e6d266
commit ab87bb9ae8
12 changed files with 292 additions and 185 deletions
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35
CuckooChessEngine/test/chess/EvaluateTest.java
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@@ -277,7 +277,7 @@ public class EvaluateTest {
score = evalWhite(pos);
assertTrue(-score > bV * 2 + 100);
// KrpKn is win for white
// KRPKN is win for white
pos = TextIO.readFEN("8/3bk3/8/8/8/3P4/3RK3/8 w - - 0 1");
score = evalWhite(pos);
final int pV = Evaluate.pV;
@@ -287,10 +287,14 @@ public class EvaluateTest {
pos = TextIO.readFEN("8/8/4k3/8/8/3NK3/3N4/8 w - - 0 1");
score = evalWhite(pos);
assertTrue(Math.abs(score) < 50);
final int nV = Evaluate.nV;
pos = TextIO.readFEN("8/8/8/4k3/N6N/P2K4/8/8 b - - 0 66");
score = evalWhite(pos);
assertTrue(score > nV * 2);
pos = TextIO.readFEN("8/8/3k4/8/8/3NK3/2B5/8 b - - 0 1");
score = evalWhite(pos);
final int nV = Evaluate.nV;
assertTrue(score > bV + nV + 150); // KBNK is won, should have a bonus
score = moveScore(pos, "Kc6");
assertTrue(score > 0); // Black king going into wrong corner, good for white
@@ -412,6 +416,8 @@ public class EvaluateTest {
assertTrue(evalWhite(pos) > winScore);
pos = TextIO.readFEN("3Q4/8/8/8/K7/8/1kp5/8 w - - 0 1");
assertTrue(evalWhite(pos) > winScore);
pos = TextIO.readFEN("8/8/8/8/8/1Q6/p3K3/k7 b - - 0 1");
assertTrue(evalWhite(pos) < drawish);
// Pawn on c2
pos = TextIO.readFEN("3Q4/8/8/8/3K4/8/1kp5/8 w - - 0 1");
@@ -445,6 +451,29 @@ public class EvaluateTest {
assertTrue(score2 > score1);
}
@Test
public void testPawnRace() throws ChessParseError {
final int pV = Evaluate.pV;
final int winScore = 400;
final int drawish = 100;
Position pos = TextIO.readFEN("8/8/K7/1P3p2/8/6k1/8/8 w - - 0 1");
assertTrue(evalWhite(pos) > winScore);
pos = TextIO.readFEN("8/8/K7/1P3p2/8/6k1/8/8 b - - 0 1");
assertTrue(evalWhite(pos) > winScore);
pos = TextIO.readFEN("8/8/K7/1P3p2/6k1/8/8/8 b - - 0 1");
assertTrue(Math.abs(evalWhite(pos)) < drawish);
pos = TextIO.readFEN("8/8/K7/1P6/5pk1/8/8/8 b - - 0 1");
assertTrue(evalWhite(pos) < -winScore);
pos = TextIO.readFEN("8/K7/8/1P6/5pk1/8/8/8 b - - 0 1");
assertTrue(Math.abs(evalWhite(pos)) < drawish);
pos = TextIO.readFEN("8/K7/8/8/1PP2p1k/8/8/8 w - - 0 1");
assertTrue(evalWhite(pos) < drawish + pV);
assertTrue(evalWhite(pos) > 0);
pos = TextIO.readFEN("8/K7/8/8/1PP2p1k/8/8/8 b - - 0 1");
assertTrue(evalWhite(pos) < -winScore + pV);
}
/** Return static evaluation score for white, regardless of whose turn it is to move. */
final static int evalWhite(Position pos) {
Evaluate eval = new Evaluate();