Chess Board
[ECO code A10]
ENGLISH OPG. TRANSPOSITION
GREAT SNAKE to CLOSED VARIATION
White develops his Queen's Knight to QB3(c3) for triple control of Q5(d5).
Black also develops his QKt to QB3(c6), doubles his KP support, triples control of White's Q4(d4) and transposes into the Closed Variation.
    White  Black    Transp.White Black
 1. P-QB4  P-KKt3   (1.	P-QB4  P-K4  )
 2. P-KKt3 B-Kt2    (2.	Kt-QB3 Kt-QB3)
 3. B-Kt2  P-K4	    (3.	P-KKt3 P-KKt3)
 4. Kt-QB3 Kt-QB3   (4.	B-Kt2  B-Kt2 )
Continue: Transpose or Undo or Jump or Clear