411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...e5/2. Bc4/2...Nf6/3. f4/3...Nxe4/4. fxe5/4...Qh4/5. Ke2
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Bishop's Opening: Berlin Defence, Greco Gambit
Bishop's Opening: Berlin Defence, Greco Gambit
5. Ke2?
White tries to avoid the loss of their rook, but in fact this leads to a long checkmating sequence after 5...Qf2+ 6. Kd3 Nc5+, where Stockfish says that there is a forced mate in 12 after 6...Nc5+.