[Event "Match/Nation HUN-RSFSR"]
[Site "Budapest"]
[Date "1963.04.25"]
[Round "4(6)"]
[White "Flesch, Janos"]
[Black "Lein, Anatoly"]
[Result "1/2-1/2"]
[EventArchiveKey "hungary-rsfsr-match-budapest-1963"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 O-O 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3 exd5 11. Qb3 c6 12. c4 Be6 13. Bd3 Nd7 14. O-O dxc4 15. Bxc4 Bxc4 16. Qxc4 c5 17. Rab1 b6 18. Rfc1 Rac8 19. a4 Rc7 20. a5 Rfc8 21. axb6 Nxb6 22. Qb5 1/2-1/2