Mayer, Steven F. vs Calvin, Jamie Duif
World Open · Round 1 · 1983.01.01 · 1-0 · A00 Hungarian Opening
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PGN
[Event "World Open"] [Site "World op"] [Date "1983.01.01"] [Round "1"] [White "Mayer, Steven F."] [Black "Calvin, Jamie Duif"] [Result "1-0"] [PlyCount "77"] [WhiteElo "2245"] [WhiteFideId "2010399"] [BlackElo "1617"] [BlackFideId "566014158"] [ECO "A00u"] [Source "MillionBase2.9"] [SourceQuality "4"] [ImportDate "2026-01-06"] 1. g3 e5 2. Bg2 Nf6 3. Nf3 Nc6 4. d3 Be7 5. O-O O-O 6. c4 d5 7. cxd5 Nxd5 8. Nc3 Nxc3 9. bxc3 Be6 10. Qc2 Rb8 11. Rd1 Bf6 12. Ba3 Re8 13. Nd2 Bd5 14. e4 Be6 15. Nf1 Bg4 16. f3 Be6 17. f4 exf4 18. gxf4 Be7 19. Bb2 Bg4 20. Rd2 Bc5+ 21. d4 Bb6 22. Kh1 Ne7 23. Ne3 Bh5 24. f5 c6 25. c4 Nc8 26. Rf1 f6 27. c5 Bc7 28. Ba1 Qd7 29. Qc4+ Bf7 30. Qe2 b6 31. cxb6 axb6 32. Ng4 Qe7 33. Bf3 b5 34. Qg2 Kh8 35. Rg1 Bh5 36. Qh3 g6 37. fxg6 Bxg6 38. d5 cxd5 39. Bxf6+ 1-0