Chess Board
[ECO code A28 > 29] Do not scroll the screen..! Move Move Move Move Here Move Here Move Here Move Here Move Here
ENGLISH OPENING - Sicilian Reversed V.
The Four Knights Variation (alt. route)
White developed his king's knight to threaten Black's KP and support P-Q4.
Black best develops his King's Knight to KB3(f6) to counter White's QKt influence in the centre. Other responses tend to favour White. Catalogued as this particular move-order in 1960s ECO coding.
     White   Black
 1.  P-QB4   P-K4
 2.  Kt-QB3  Kt-QB3
 3.  Kt-B3   Kt-B3   Main 3B,2B route
WHITE to Move or Undo or Jump or Clear
 
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Chess Board

WHITE moves Queen's Pawn:

P-Q3 (d3) or P-Q4 (d4) ?

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WHITE moves King's Pawn:

P-K3 (e3) or P-K4 (e4) ?

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