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Chess Opening Theory/1. d4/1...Nf6/2. Nc3/2...d5/3. Bh6
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3. Bh6 - Egg Gambit
Queen's Pawn Game: Chigorin Variation,Egg Gambit rd nd bd qd kd bd rd pd pd pd pd pd pd pd nd bl pd pl nl pl pl pl pl pl pl pl rl ql kl bl nl rl 1.d4 Nf6 2. Nc3 d5 3.Bh6 A00 Indian Defence
3. Bh6, Sacrifices a bishop and shred&weaken the kingside.
References
Nunn's Chess Openings. 1999. John Nunn (Editor), Graham Burgess, John Emms, Joe Gallagher. ISBN 1-8574-4221-0.
Batsford Chess Openings 2 (1989, 1994). Garry Kasparov, Raymond Keene. ISBN 0-8050-3409-9.