[ECO codes A05 / A15]
RETI OPG. to KING'S INDIAN DEFENCE
White's Queen's Pawn advance to Q4(d4) frees his QB and controls Black's K4(e5), transposing into the King's Knight Variation of the King's Indian (a major position arising most often from a Queen's Pawn Opening). W-Alt.
White Black Transp.White Black 1. Kt-KB3 Kt-KB3 (1. P-Q4 Kt-KB3) 2. P-B4 P-KKt3 (2. P-QB4 P-KKt3) 3. P-Q4 (3. Kt-KB3 )
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