Belgrade Gambit

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The Belgrade Gambit (1 e4 e5 2 Nf3 Nc6 3 Nc3 Nf6 4 d4 exd4 5 Nd5!?) had its heyday in the 1970s, long before the Database deluge. Nowadays, every 'Russian Schoolboy' knows that 5...Be7 is a very effective antidote to this gambit. The main virtue though of obscure gambits, lies in the element of surprise when you play them.  And despite not being in vogue, former world champion Anatoly Karpov, writing in his 1988 book The Open Game in Action, heartedly recommends the Belgrade gambit: "...this gambit leads to quite exciting and lively play.  I think those who favor stormy complications should include the [Belgrade] gambit in their repertoire."