[Event "URS-ch39 Semifinal"]
[Site "Novosibirsk"]
[Date "1971.06.??"]
[Round "?"]
[White "Steinberg, Mikhail"]
[Black "Platonov, Igor V"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6 6. Nf3 Bg7 7. O-O O-O 8. d3 Nc6 9. Be3 h6 10. Qc1 Kh7 11. Rd1 e5 12. d4 exd4 13. Nxd4 Nxd4 14. Bxd4 Bxd4 15. e3 c5 16. exd4 cxd4 17. Qf4 d3 18. Be4 Qg5 19. Qxg5 hxg5 20. Rxd3 Bf5 1/2-1/2