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Data update

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This commit is contained in:
Ingy döt Net 2023-07-22 21:42:12 -07:00
parent 9817d9b99b
commit 07c7092a52
140 changed files with 2712 additions and 241 deletions
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14
Task/Find-Chess960-starting-position-identifier/Java/find-chess960-starting-position-identifier.java
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@ -10,9 +10,10 @@ public final class Chess960SPID {
String[] positions = { "QNRBBNKR", "RNBQKBNR", "RQNBBKRN", "RNQBBKRN" };
createKnightsTable();
createCorrectPieces();
for ( String position : positions ) {
validate("RQNBBKRN");
validate(position);
System.out.println("Position " + position + " has Chess960 SP-ID = " + calculateSPID(position));
}
}
@ -26,8 +27,7 @@ public final class Chess960SPID {
for ( char ch : aPosition.toCharArray() ) {
pieces.merge(ch, 1, (oldV, newV) -> oldV + 1);
}
Set<Map.Entry<Character, Integer>> correctPieces =
Set.of(Map.entry('R', 2), Map.entry('N', 2), Map.entry('B', 2), Map.entry('Q', 1), Map.entry('K', 1));
if ( ! pieces.entrySet().equals(correctPieces) ) {
throw new AssertionError("Chess position contains incorrect pieces.");
}
@ -78,8 +78,14 @@ public final class Chess960SPID {
knightsTable.put(List.of(2, 3), 7);
knightsTable.put(List.of(2, 4), 8);
knightsTable.put(List.of(3, 4), 9);
}
}
private static void createCorrectPieces() {
correctPieces = Set.of(
Map.entry('R', 2), Map.entry('N', 2), Map.entry('B', 2), Map.entry('Q', 1), Map.entry('K', 1) );
}
private static Map<List<Integer>, Integer> knightsTable;
private static Set<Map.Entry<Character, Integer>> correctPieces;
}