Chess Board
[ECO code C42] Karpov-Kasparov, W.Ch.M. 1985 Move Move Here
PETROFF'S DEFENCE
Jaenisch Variation
White's P-KR3(h3) deterred a potential ..B-KKt5 pin.
Black's Q4(d5) Pawn starts an exchange on QB5(c4) by taking White's QBP (a move equivalent to the Queen's Gambit Accepted) to threaten ..PxB. 
    White  Black	White  Black
 1. P-K4   P-K4	     6.	B-Q3   B-K2
 2. Kt-KB3 Kt-KB3    7.	0-0    Kt-QB3
 3. KtxP   P-Q3	     8.	P-B4   Kt-B3
 4. Kt-KB3 KtxP	     9.	Kt-B3  0-0
 5. P-Q4   P-Q4	    10.	P-KR3  PxP
WHITE to Move or Undo or Jump or Clear
 
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