Bollbach, Ulrich vs Petrosian, Tigran V
Stockholm Interzonal · Round 7 · 1962.??.?? · 1/2-1/2 · A35 English Opening: Symmetrical Variation, Four Knights Variation
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PGN
[Event "Stockholm Interzonal"] [Site "Stockholm SWE"] [Date "1962.??.??"] [Round "7"] [White "Bollbach, Ulrich"] [Black "Petrosian, Tigran V"] [Result "1/2-1/2"] [PlyCount "41"] [WhiteElo "1489"] [WhiteFideId "24660930"] [ECO "A35l"] [Source "TheChessDog"] [SourceQuality "3"] [ImportDate "2026-01-06"] 1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nc7 7. O-O e5 8. a3 f6 9. e3 Bg4 10. h3 Bh5 11. Qa4 Qd7 12. d4 cxd4 13. exd4 exd4 14. Nb5 Nxb5 15. Qxb5 Bf7 16. Nxd4 Nxd4 17. Qxd7+ Kxd7 18. Rd1 Bc5 19. Be3 Rad8 20. Bxd4 Bxd4 21. Rxd4+ 1/2-1/2