Chess Board
[ECO code A13]
TRANSPOSITION
ENGLISH (Anglo-French D.) to RETI (Anglo-Indian D.)
White's KKt and QBP were aiming to control the centre without occupation.
Black transposes towards Catalan and Queen's Indian lines of Reti's Opg. by developing his King's Knight to KB3(f6) to control his Q4(d5) and K5(e4). Categorised under Reti until 1970s ECO coding. White may transpose further by 3.P-Q4. B-Alt.
    White  Black    Transp.White Black
 1. P-QB4  P-K3     (1.	Kt-KB3 Kt-KB3)
 2. Kt-KB3 Kt-KB3   (2.	P-B4   P-K3  )
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