Data commit

2023-07-01 11:58:00 -04:00 · 2023-07-01 11:58:00 -04:00 · cb5bb5e222
commit cb5bb5e222
parent 7387c8f97b
199093 changed files with 3378972 additions and 0 deletions
--- a/Task/Generate-Chess960-starting-position/Sidef/generate-chess960-starting-position.sidef
+++ b/Task/Generate-Chess960-starting-position/Sidef/generate-chess960-starting-position.sidef
@ -0,0 +1,15 @@
+func is_valid_960 (backrank) {
+    var king = backrank.index('♚')
+    var (rook1, rook2) = backrank.indices_of('♜')...
+    king.is_between(rook1, rook2) || return false
+    var (bishop1, bishop2) = backrank.indices_of('♝')...
+    bishop1+bishop2 -> is_odd
+}
+
+func random_960_position(pieces = <♛ ♚ ♜ ♜ ♝ ♝ ♞ ♞>) {
+    pieces.shuffle.permutations {|*a|
+        return a if is_valid_960(a)
+    }
+}
+
+say random_960_position().join(' ')