Chess Board
[ECO code C01] Do not scroll the screen..! Move Move Move Here Move Here Move Here Move Here
FRENCH DEFENCE
The Diemer-Duhm Gambit
Black's QP setting attacked White's undefended KP.
White advances his Queen's Bishop's Pawn to QB4(c4) leaving his KP en prise (lit. in a position to be taken) - the Diemer-Duhm, an unorthodox (ie. rarely played) gambit. W-Alt.
     White  Black
 1.  P-K4   P-K3
 2.  P-Q4   P-Q4 Transp.from Steiner V.
 3.  P-QB4	 Transp.from QGD.
BLACK to Move or Undo or Jump or Clear
 
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Chess Board

BLACK moves Queen's Bishop's Pawn:

P-QB4 (c5) or P-QB3 (c6) ?

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Chess Board

BLACK moves Queen's Pawn:

PxBP (dxc4) or PxKP (dxe4) ?

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