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Chess Opening Theory/1. e4/1...Nf6/2. Bc4/2...Nxe4/3. Bxf7
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Krejcik variation B02 Alekhine's defence → Krejcik variation → 2...Nxe4
3. Bxf7+
Black has only one legal move, 3...Kxf7.
Theory table
3. ... Kxf7 4. Qh5+ Kg8 5. Qd5+ e6 6. Qxe4 d5 7. Qe2 e5 8. Qxe5 Nc6 9. Qe3 -- Krejcik variation
References
See also
Alekhine Defence