Chess Board
[ECO code C42] Move Move Here
PETROFF'S DEFENCE
The Cochrane Gambit
Black's QP attacked White's Kt to gain a tempo.
White's K5(e5) Knight removes Black's KBP on KB7(f7), forking Q+KR with a gambit of Scotsman John Cochrane (1798-1878) (a typical "Philidor sacrifice", here a Kt for two Ps and a strong centre) repopularised in the 1980s. Poss. dubious. W-Alt.
	White	Black
 1.	P-K4	P-K4
 2.	Kt-KB3	Kt-KB3
 3.	KtxP	P-Q3
 4.	KtxP!?
BLACK to Move or Undo or Jump or Clear
 
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