[Event "Toronto op"] [Site "Toronto CAN"] [Date "1971.??.??"] [Round "?"] [White "Overholtzer, H."] [Black "Paolella, L."] [Result "0-1"] [ECO "E20"] [EventDate "1971.04.09"] [PlyCount "44"] [EventType "swiss"] [EventRounds "6"] [EventCountry "CAN"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 Nc6 5. a3 Be7 6. Nf3 d5 7. cxd5 exd5 8. Bg5 Bf5 9. Bxf6 Bxf6 10. e3 O-O 11. Bd3 Qd7 12. Bxf5 Qxf5 13. Qb3 Rad8 14. Qxb7 Nxd4 15. Nxd4 Bxd4 16. exd4 Qd3 17. Nd1 Rfe8+ 18. Ne3 Rxe3+ 19. fxe3 Re8 20. Qxd5 Rxe3+ 21. Kf2 Re2+ 22. Kf1 Rd2+ 0-1