Karpov struck back in no uncertain fashion to win the seventh game.卡尔波夫坚决反击，一定要赢第七局比赛。Finally, Karpov cracked under the pressure.最后，卡尔波夫承受不住压力崩溃了。Chess player Nigel Short faces Anatoly Karpov in the toughest test of his career so far.国际象棋选手奈杰尔·肖特遭遇到他的职业生涯里迄今为止最严峻的考验 — 和阿纳托利·卡尔波夫对弈。