[Event "Chigorin Memorial-03"]
[Site "Sochi"]
[Date "1963.06.05"]
[Round "5"]
[White "Bobotsov, Milko Georgiev"]
[Black "Krogius, Nikolai V"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Nc3 c6 6. Bg5 Be7 7. e3 Bf5 8. Bd3 Bxd3 9. Qxd3 Nbd7 10. O-O O-O 11. Rac1 Re8 12. Qc2 Ne4 13. Bxe7 Qxe7 14. Nxe4 dxe4 15. Nd2 Nf6 16. Qc5 Qe6 17. a3 Red8 18. Qb4 Rab8 19. Rc5 Nd5 20. Qa5 a6 21. Nb1 1/2-1/2