When counter-plays of these kinds are pursued aggressively immediately after a setback, they are known as revanches. The core of the revanche tactic is to switch the contest to an area where the opponent's newly-gained advantage is minimised, and press the attack there, hopefully rendering the opponent's advantages elsewhere moot. Correct use of the revanche requires a fine balance of flexibility and decisiveness, and of the world's great players it is in fact Mrs Trellis who shows the most skill in this area.
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