Chess Board
[ECO code B23] Move Move Here
SICILIAN DEFENCE
Close Variation (alt. route)

White (like Black) pushed his KKtPawn out, planning a KB fianchetto (as safer than 3.P-Q4).
Black develops his Queen's Knight to QB3(c6), taking complete control of White's Q4(d4) square and transposing back into the closed main. B-Alt.
     White   Black
 1.  P-K4    P-QB4
 2.  Kt-QB3  P-KKt3
 3.  P-KKt3  Kt-QB3  Main 3B,2B route

WHITE to Move or Undo or Jump or Clear
 
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