The Zaitsev variation is a very rare bird in Fedoseev's opening repertoire. He had played it in a couple of online  games recently but also in one game in this tournament.
1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1b5  3... a7a6  4. b5a4  4... g8f6  5. e1g1  5... f8e7  6. f1e1  6... b7b5  7. a4b3  7... d7d6  8. c2c3  8... e8g8  9. h2h3  9... c8b7  10. d2d4 