Legal move filtering works by making each pseudo-legal move on the board, checking if the king is attacked, then unmaking the move. Castling gets special treatment: three squares must be checked (the king’s origin, transit square, and destination) since the king cannot castle out of, through, or into check:
Follow topics & set alerts with myFT。PDF资料是该领域的重要参考
Two and a half millennia ago, Thucydides recorded the Athenian empire at its most confident in his “History of the Peloponnesian War”: “The strong do what they can and the weak suffer what they must.” Athens then destroyed Melos and launched the Sicily Expedition with overwhelming force and no coherent theory of governance for what came next.。业内人士推荐新收录的资料作为进阶阅读
В России призвали отпустить больную раком Лерчек из-под домашнего ареста14:50，这一点在新收录的资料中也有详细论述