Catching the black king in a crossfire leading tocheckmate.
在带领围擒的一个交火中捕捉黑色的国王。
2
In retaliation Ms Tymoshenko tried tocheckmate Mr Yushchenko by teaming up with Mr Yanukovich instead.
作为报复，季莫申科决定和亚努科维奇联合，将尤先科一军。
3
Likewise, if you are playing a chess computer, the reason why it moves knight to bishop 3 or whatever might be because that's the only move to guard against checkmate.