Chess Board
[ECO code E23]
NIMZO-INDIAN DEF. - Spielmann Var.
Carlsbad Variation
Black castled short (ie. K-side), developing his KR.
Black castles long (ie. Q-side) - the original underlying idea behind Spielmann's 4.Q-Kt3 line - and brings his Queen's Rook into play.
    White  Black	White  Black
 1. P-Q4   Kt-KB3    6.	Kt-B3  Kt-K5
 2. P-QB4  P-K3	     7.	B-Q2   KtxB
 3. Kt-QB3 B-Kt5     8.	KtxKt  0-0
 4. Q-Kt3  P-B4	     9.	0-0-0!
 5. PxP    Kt-B3
Example ends: Undo or Jump or Clear