411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Qf6/3. Bc4
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Greco Defence rd nd bd kd bd nd rd pd pd pd pd pd pd pd qd pd bl pl nl pl pl pl pl pl pl pl rl nl bl ql kl rl
Greco Defence (to) La Bourdonnais Gambit
3.Bc4
This move is good as it develops a new piece and prepares a couple of traps after black plays 3...Qg6, and white simply ignores it and castles, entering a variation named the La Bourdonnais Gambit, which is a tricky gambit played by white to punish black's early queen attack of 2...Qf6:
3. Qg6? 4. O-O Qxe4?
5. Nxe5! Qxe5? 6. Re1! Qxe1+ 7. Qxe1+
5. Bxf7+! Kxf7? 6. Ng5+ (...) 7. Nxe4
5. d4! exd4? 6. Re1! Qxe1+ 7. Qxe1+
Therefore, 3...Qg6 is not a good option and black should instead play 3...c6, 3...h6, or 3...Nc6.