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Improve move probability calculation for CTG books

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This commit is contained in:
Peter Osterlund 2020-09-28 07:10:05 +02:00
parent ce2e5a326a
commit ca39ffbf09
1 changed files with 21 additions and 14 deletions
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35
DroidFishApp/src/main/java/org/petero/droidfish/book/CtgBook.java
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@ -36,6 +36,7 @@ class CtgBook implements IOpeningBook {
private File ctgFile;
private File ctbFile;
private File ctoFile;
private final static float bigWeight = 1e6f;
static boolean canHandle(BookOptions options) {
String filename = options.filename;
@ -77,7 +78,7 @@ class CtgBook implements IOpeningBook {
if (pd != null) {
boolean mirrorColor = pd.mirrorColor;
boolean mirrorLeftRight = pd.mirrorLeftRight;
ret = pd.getBookMoves();
ret = pd.getBookMoves(options);
UndoInfo ui = new UndoInfo();
for (BookEntry be : ret) {
pd.pos.makeMove(be.move, ui);
@ -94,13 +95,14 @@ class CtgBook implements IOpeningBook {
weight = 0;
} else if (recom >= 128) {
if (options.preferMainLines)
weight *= 10;
weight = weight == bigWeight ? bigWeight : weight * bigWeight;
}
float score = movePd.getOpponentScore() + 1e-4f;
// double w0 = weight;
// float w0 = weight;
weight = weight * score;
// System.out.printf("%s : w0:%.3f rec:%d score:%d %.3f\n", TextIO.moveToUCIString(be.move),
// w0, recom, score, weight);
// System.out.printf("bk %s : w0:%.3f rec:%d score:%d %.3f\n",
// TextIO.moveToUCIString(be.move),
// w0, recom, (int)score, weight);
}
be.weight = weight;
}
@ -390,7 +392,7 @@ class CtgBook implements IOpeningBook {
buf[i] = pageBuf[offs + i];
}
final ArrayList<BookEntry> getBookMoves() {
final ArrayList<BookEntry> getBookMoves(BookOptions options) {
ArrayList<BookEntry> entries = new ArrayList<>();
int nMoves = (moveBytes - 1) / 2;
for (int mi = 0; mi < nMoves; mi++) {
@ -403,14 +405,19 @@ class CtgBook implements IOpeningBook {
BookEntry ent = new BookEntry(m);
switch (flags) {
default:
case 0x00: ent.weight = 1; break; // No annotation
case 0x01: ent.weight = 8; break; // !
case 0x02: ent.weight = 0; break; // ?
case 0x03: ent.weight = 32; break; // !!
case 0x04: ent.weight = 0; break; // ??
case 0x05: ent.weight = 0.5f; break; // !?
case 0x06: ent.weight = 0.125f; break; // ?!
case 0x08: ent.weight = 1000000; break; // Only move
case 0x00: ent.weight = 1f; break; // No annotation
case 0x01: ent.weight = 1.23f; break; // !
case 0x02: ent.weight = 0f; break; // ?
case 0x03: ent.weight = 1.46f; break; // !!
case 0x04: ent.weight = 0f; break; // ??
case 0x05: ent.weight = 1f; break; // !?
case 0x06: ent.weight = 0f; break; // ?!
case 0x08: // Only move
if (options.preferMainLines)
ent.weight = bigWeight;
else
ent.weight = 1.0f;
break;
}
entries.add(ent);
}