[Event "Italy op"]
[Site "Italy"]
[Date "1991.??.??"]
[Round "?"]
[White "Contin, Daniel"]
[Black "Tonna, Guido"]
[Result "1-0"]
[ECO "A44"]
[WhiteElo "2340"]
[PlyCount "41"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. e4 d6 4. Nc3 Ne7 5. Be2 Ng6 6. g3 Be7 7. h4 0-0 8. Nh3 Na6 9. Be3 Rb8 10. a4 Nc7 11. Bg4 Bxg4 12. Qxg4 f6 13. Kf1 Rf7 14. Kg2 a6 15. a5 b5 16. b4 f5 17. exf5 Qc8 18. bxc5 b4 19. cxd6 Bxd6 20. Ne4 Bf8 21. Nhg5 1-0

[Event "Italy op"]
[Site "Italy"]
[Date "1991.??.??"]
[Round "?"]
[White "Tonna, Guido"]
[Black "Rossi, Giampiero"]
[Result "1/2-1/2"]
[ECO "A33"]
[BlackElo "2215"]
[PlyCount "53"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nf6 3. g3 Nc6 4. Bg2 e6 5. d4 cxd4 6. Nxd4 a6 7. 0-0 Qc7 8. e4 Be7 9. Nc3 0-0 10. Nxc6 dxc6 11. Be3 e5 12. h3 Be6 13. Qe2 b5 14. cxb5 axb5 15. Rfc1 Qb7 16. b3 Rfc8 17. f4 exf4 18. gxf4 Bb4 19. Rab1 Qe7 20. e5 Bxc3 21. Rxc3 Nd5 22. Bxd5 Bxd5 23. Bc5 Qh4 24. Rf1 Re8 25. a3 Re6 26. Rf2 Rae8 27. Kh2 1/2-1/2

[Event "Imperia op 31st"]
[Site "Imperia"]
[Date "1989.09.10"]
[Round "9.22"]
[White "Blasco, Domenico"]
[Black "Tonna, Guido"]
[Result "0-1"]
[ECO "A44"]
[WhiteElo "2285"]
[PlyCount "58"]
[EventDate "1989.09.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. c4 d6 4. e4 Ne7 5. Bd3 Ng6 6. Ne2 Be7 7. Be3 0-0 8. Qd2 Nh4 9. Kf1 Na6 10. Nbc3 Nc7 11. Ng3 Ne8 12. f3 g6 13. Bh6 Ng7 14. Re1 f5 15. Rg1 Bd7 16. Re2 a6 17. Rf2 b5 18. Nge2 f4 19. Nc1 Rb8 20. Qe2 Qa5 21. g3 fxg3 22. hxg3 Nxf3 23. Nb3 Bh3+ 24. Rgg2 Qb4 25. Rxf3 Rxf3+ 26. Qxf3 Rf8 27. Bf4 bxc4 28. Bxc4 exf4 29. gxf4 Qxc4+ 0-1

[Event "Imperia op 31st"]
[Site "Imperia"]
[Date "1989.09.08"]
[Round "7.21"]
[White "Tonna, Guido"]
[Black "Rossi, Giampiero"]
[Result "1/2-1/2"]
[ECO "D52"]
[BlackElo "2215"]
[PlyCount "29"]
[EventDate "1989.09.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 0-0 9. Be2 dxc4 10. Bxf6 Nxf6 11. Nxc4 Bxc3+ 12. bxc3 Qc7 13. 0-0 b6 14. a4 Ba6 15. Ne5 1/2-1/2

[Event "Imperia op 31st"]
[Site "Imperia"]
[Date "1989.09.07"]
[Round "6.25"]
[White "Tonna, Guido"]
[Black "Curione, Francesco"]
[Result "1-0"]
[ECO "E94"]
[PlyCount "65"]
[EventDate "1989.09.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. d5 a5 8. 0-0 Na6 9. Qc2 Nc5 10. Bg5 h6 11. Be3 b6 12. Nd2 Ng4 13. Bxg4 Bxg4 14. a3 f5 15. f3 Bh5 16. b4 Nd7 17. Nb5 f4 18. Bf2 g5 19. c5 Rc8 20. cxd6 cxd6 21. Qd3 Rf6 22. Nc4 Bf8 23. Na7 Ra8 24. Nc6 Qc7 25. Rfc1 a4 26. N4xe5 Nxe5 27. Nxe5 Qh7 28. Rc6 b5 29. Rac1 Be7 30. Nd7 Rff8 31. Nxf8 Rxf8 32. Rc7 Be8 33. Ra7 1-0

[Event "Imperia op 31st"]
[Site "Imperia"]
[Date "1989.09.06"]
[Round "5.23"]
[White "Bossi, Alessandro"]
[Black "Tonna, Guido"]
[Result "1-0"]
[ECO "A43"]
[PlyCount "51"]
[EventDate "1989.09.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 c5 2. dxc5 Nc6 3. a3 g6 4. Bd2 Bg7 5. Bc3 Nf6 6. Nf3 b6 7. cxb6 Qxb6 8. e3 0-0 9. Nbd2 d5 10. Be2 Qc7 11. 0-0 e5 12. Bb5 Nd7 13. Nb3 Bb7 14. Qxd5 Rad8 15. Qc4 Nb6 16. Qh4 Nd5 17. Bxc6 Qxc6 18. Na5 Qb6 19. Nxb7 Qxb7 20. Rfd1 Bf6 21. Qe4 Rfe8 22. Ba5 Rd7 23. c4 Nb6 24. Qxb7 Rxb7 25. Rac1 Rc8 26. b3 1-0

[Event "Imperia op 31st"]
[Site "Imperia"]
[Date "1989.09.05"]
[Round "4.26"]
[White "Tonna, Guido"]
[Black "Chilese, Carlo"]
[Result "1-0"]
[ECO "D97"]
[PlyCount "73"]
[EventDate "1989.09.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 dxc4 3. Qa4+ c6 4. Qxc4 Nf6 5. d4 g6 6. Nc3 Bg7 7. e4 0-0 8. Be2 Na6 9. 0-0 Be6 10. Qd3 Nd7 11. Ng5 Nc7 12. Be3 Nb6 13. Nxe6 Nxe6 14. Rad1 Qc7 15. f4 Rad8 16. e5 Rfe8 17. Qc2 Rd7 18. f5 Nf8 19. Qe4 Rdd8 20. Bf4 Qc8 21. Bg4 f6 22. e6 Nd5 23. Bg3 gxf5 24. Bxf5 b6 25. Rf3 Qa6 26. Bf2 Qa5 27. Rg3 Nxc3 28. bxc3 Rd5 29. Qg4 Ng6 30. Bxg6 Rg5 31. Bf7+ Kf8 32. Qf4 Qa4 33. Re1 Rxg3 34. Qxg3 Rd8 35. Rc1 Qc4 36. Be3 f5 37. Bh6 1-0

[Event "Imperia op 31st"]
[Site "Imperia"]
[Date "1989.09.04"]
[Round "3.24"]
[White "Tonna, Guido"]
[Black "Lebel, Patrick"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "2270"]
[PlyCount "64"]
[EventDate "1989.09.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd2 Qb6 6. e5 Nd5 7. Nxd5 cxd5 8. Bc3 Bf5 9. Nf3 e6 10. Qd2 Nc6 11. a4 Be7 12. a5 Qc7 13. a6 b6 14. Bb5 0-0 15. 0-0 Rad8 16. Rfc1 Be4 17. Bxc6 Qxc6 18. Bb4 Bxf3 19. gxf3 Rde8 20. Qd3 f6 21. exf6 Bxf6 22. Re1 Bh4 23. Re2 Rxf4 24. Be1 e5 25. Bxh4 Rxd4 26. Qxd4 exd4 27. Rae1 Rxe2 28. Rxe2 Qb5 29. Re6 Qxb2 30. Re8+ Kf7 31. Re7+ Kg6 32. Rxa7 Qc1+ 0-1

[Event "Celle Ligure op"]
[Site "Celle Ligure"]
[Date "1989.??.??"]
[Round "?"]
[White "Guerra, Alessandro"]
[Black "Tonna, Guido"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "74"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 Nc6 3. Nf3 e6 4. Nc3 d6 5. 0-0 Be7 6. d4 cxd4 7. Nxd4 a6 8. a4 Qc7 9. Nxc6 bxc6 10. a5 Nf6 11. Be3 Nd7 12. f4 Rb8 13. Kh1 Bf6 14. e5 dxe5 15. Ne4 0-0 16. Nxf6+ Nxf6 17. fxe5 Qxe5 18. Bf4 Qxb2 19. Bxb8 Qxb8 20. Ra3 Qb4 21. Qd3 Ng4 22. Rb3 Qxa5 23. Qg3 Ne5 24. Be2 Qc5 25. Re3 Ng6 26. Bd3 f5 27. Ref3 Ne5 28. R3f2 Nxd3 29. Qxd3 e5 30. Rd2 Be6 31. Re1 e4 32. Qxa6 e3 33. Rd3 f4 34. Qa3 Qg5 35. Rg1 Bd5 36. h3 Re8 37. Rdd1 f3 0-1

[Event "Lesneven op 8th"]
[Site "Lesneven"]
[Date "1989.??.??"]
[Round "?"]
[White "Ilic, Zoran S"]
[Black "Tonna, Guido"]
[Result "1-0"]
[ECO "A44"]
[WhiteElo "2375"]
[PlyCount "57"]
[EventDate "1989.08.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. Nc3 d6 4. e4 Ne7 5. g3 Na6 6. Bg2 Nc7 7. a4 b6 8. Nge2 Rb8 9. f4 exf4 10. gxf4 Ng6 11. 0-0 Be7 12. Ng3 0-0 13. Be3 Ne8 14. Bf3 f5 15. Nxf5 Bxf5 16. exf5 Nh4 17. Bg4 Nxf5 18. Qd3 g6 19. Bd2 Bf6 20. Kh1 Bg7 21. Rae1 Rb7 22. Ne4 h6 23. Rg1 Qh4 24. Bxf5 gxf5 25. Ng3 Rbf7 26. Re6 Kh8 27. Bc3 Bxc3 28. Qxc3+ Ng7 29. Nxf5 1-0

[Event "Imperia op 31st"]
[Site "Imperia"]
[Date "1989.??.??"]
[Round "8"]
[White "Mazzotti, Carlo"]
[Black "Tonna, Guido"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "58"]
[EventDate "1989.09.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 e6 6. Bxc6 bxc6 7. 0-0 d5 8. d3 Ne7 9. Qe1 Rb8 10. e5 Bf8 11. Na4 Nf5 12. c4 Nd4 13. Qf2 Nxf3+ 14. Qxf3 Rb4 15. b3 Rxa4 16. bxa4 Be7 17. Be3 0-0 18. Qf2 Qa5 19. Qc2 Ba6 20. Rab1 Rc8 21. g4 Qd8 22. f5 exf5 23. gxf5 Bg5 24. Bxg5 Qxg5+ 25. Kh1 Qe3 26. e6 dxc4 27. exf7+ Kxf7 28. fxg6+ Kxg6 29. Rg1+ Kf7 1-0

[Event "Imperia op 31st"]
[Site "Imperia"]
[Date "1989.??.??"]
[Round "1"]
[White "Oll, Lembit"]
[Black "Tonna, Guido"]
[Result "1-0"]
[ECO "A44"]
[WhiteElo "2510"]
[PlyCount "47"]
[EventDate "1989.09.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. c4 d6 4. Nc3 Ne7 5. Nf3 Ng6 6. h4 Be7 7. g3 0-0 8. e4 Na6 9. a3 Nc7 10. Be2 Bd7 11. Rb1 b6 12. b4 cxb4 13. axb4 Ne8 14. Be3 Rc8 15. Nd2 f5 16. exf5 Bxf5 17. Ra1 a5 18. Qb3 axb4 19. Qxb4 Ra8 20. Rxa8 Qxa8 21. h5 Qa1+ 22. Ndb1 Nh8 23. 0-0 Nf6 24. Na3 1-0

[Event "Celle Ligure op"]
[Site "Celle Ligure"]
[Date "1989.??.??"]
[Round "?"]
[White "Thiel, Kuno"]
[Black "Tonna, Guido"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "2325"]
[PlyCount "75"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 Nc6 6. 0-0 0-0 7. d4 cxd4 8. Nxd4 Nxd4 9. Qxd4 d6 10. Rd1 a6 11. Bg5 Rb8 12. Qd2 Be6 13. b3 Re8 14. Rac1 Ng4 15. h3 Ne5 16. Bh6 Qa5 17. Bxg7 Kxg7 18. Qd4 Kg8 19. Rc2 Nd7 20. Ne4 Rec8 21. Qe3 Qe5 22. f4 Qa5 23. Rcd2 b5 24. Ng5 Nf8 25. cxb5 Rxb5 26. Nxe6 Nxe6 27. Bd5 Rc3 28. Qf2 Rcc5 29. Bc4 Rb6 30. e4 Rb8 31. Kh2 Qb6 32. Qe2 a5 33. f5 gxf5 34. exf5 Rxf5 35. Bxe6 fxe6 36. Qxe6+ Rf7 37. Rf1 Rbf8 38. Rdf2 1-0

[Event "Imperia op 31st"]
[Site "Imperia"]
[Date "1989.??.??"]
[Round "2"]
[White "Tonna, Guido"]
[Black "Barlocco, Carlo"]
[Result "0-1"]
[ECO "E24"]
[BlackElo "2270"]
[PlyCount "92"]
[EventDate "1989.09.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 Bb4 5. a3 Bxc3+ 6. bxc3 0-0 7. cxd5 exd5 8. Bg5 c6 9. e3 Qa5 10. Bxf6 Qxc3+ 11. Nd2 gxf6 12. Be2 Bf5 13. 0-0 Nd7 14. Rc1 Qxa3 15. Bg4 Be6 16. Qf3 Kh8 17. Bf5 Rg8 18. Bb1 Rg5 19. Qf4 Qf8 20. Qh4 Qg7 21. g3 Rg4 22. Qh5 f5 23. Nf3 Rg8 24. Kh1 f4 25. exf4 Nf6 26. Qe5 Ne4 27. Rce1 Qxe5 28. Nxe5 R4g7 29. f3 Nd2 30. f5 f6 31. Ng4 Bc8 32. Nxf6 Rf8 33. Ne8 Rgg8 34. Nd6 Nxf1 35. Rxf1 Rf6 36. Nxc8 Rxc8 37. Re1 Rff8 38. g4 Rfe8 39. Rg1 Re2 40. f6 Rce8 41. g5 Rf2 42. f7 Rf8 43. Bxh7 Kxh7 44. g6+ Kg7 45. Rg3 a5 46. Kg1 Rd2 0-1

[Event "Imperia op 26th"]
[Site "Imperia"]
[Date "1984.09.09"]
[Round "9"]
[White "Vezzosi, Paolo"]
[Black "Tonna, Guido"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2160"]
[BlackElo "2010"]
[PlyCount "65"]
[EventDate "1984.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. d4 cxd4 5. c3 e6 6. cxd4 d6 7. a3 Nc6 8. Bd3 dxe5 9. dxe5 Qc7 10. 0-0 Bd7 11. Qe2 Be7 12. Qe4 Rc8 13. Nbd2 a6 14. Re1 b5 15. Nf1 Na5 16. Qg4 g6 17. Bh6 Nb3 18. Rad1 b4 19. Bxa6 Ra8 20. Bc4 Na5 21. Bd3 bxa3 22. bxa3 Nb3 23. Rb1 Ra4 24. Qh3 Rxa3 25. Ng3 Rg8 26. Bg5 h5 27. Bxe7 Kxe7 28. Qh4+ Kf8 29. Ne4 Nc3 30. Nxc3 Qxc3 31. Qd8+ Kg7 32. Qf6+ Kf8 33. Ng5 1-0

[Event "Imperia op 26th"]
[Site "Imperia"]
[Date "1984.09.08"]
[Round "8"]
[White "Vancini, Edoardo"]
[Black "Tonna, Guido"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1958"]
[BlackElo "2010"]
[PlyCount "66"]
[EventDate "1984.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 a6 7. 0-0 Be7 8. Qe2 Qc7 9. Rd1 d6 10. Bf4 Nf6 11. Rac1 0-0 12. Bb3 Qb8 13. Rd2 Ne5 14. Nxe5 dxe5 15. Bg5 b5 16. Rcd1 Ra7 17. Rd3 Rc7 18. Bh4 Bb7 19. Bg3 Rc5 20. f3 Nh5 21. Rd7 Re8 22. Qd2 Nxg3 23. hxg3 Rcc8 24. Ne2 Bc6 25. Rd3 b4 26. Qe1 a5 27. Rc1 Bb5 28. Rxc8 Rxc8 29. Rd2 a4 30. Bd1 Qb6+ 31. Kh2 Qe3 32. g4 Qh6+ 33. Kg1 Bc5+ 0-1

[Event "Imperia op 26th"]
[Site "Imperia"]
[Date "1984.09.07"]
[Round "7"]
[White "Tonna, Guido"]
[Black "Gargiulo, Tristano"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2010"]
[BlackElo "2088"]
[PlyCount "67"]
[EventDate "1984.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 g6 6. Nc3 Bg7 7. Nf3 0-0 8. bxa6 Qa5 9. Bd2 d6 10. e4 Bxa6 11. Be2 Nbd7 12. 0-0 Rfb8 13. Rb1 Ne8 14. Re1 Bxe2 15. Qxe2 Nc7 16. a4 Qa6 17. Qe3 Rb3 18. Qg5 Bf6 19. Qg4 Nb6 20. a5 Nc4 21. e5 dxe5 22. Bh6 Rxb2 23. Rxb2 Nxb2 24. Ne4 Qxa5 25. Nxf6+ exf6 26. Qd7 c4 27. d6 Ne8 28. Qe7 Ng7 29. Qxf6 Nf5 30. Rxe5 Qa1+ 31. Re1 Nxh6 32. d7 Qa4 33. d8Q+ Rxd8 34. Qxd8+ 1-0

[Event "Imperia op 26th"]
[Site "Imperia"]
[Date "1984.09.06"]
[Round "6"]
[White "Vezzani, Stefano"]
[Black "Tonna, Guido"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "2004"]
[BlackElo "2010"]
[PlyCount "25"]
[EventDate "1984.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 e6 6. 0-0 Nge7 7. c3 d5 8. Nbd2 0-0 9. Qc2 Bd7 10. Re1 Rc8 11. Nf1 b5 12. exd5 Nxd5 13. Ne3 1/2-1/2

[Event "Imperia op 26th"]
[Site "Imperia"]
[Date "1984.09.05"]
[Round "5"]
[White "Tonna, Guido"]
[Black "Ceccarini, Marco"]
[Result "0-1"]
[ECO "D58"]
[WhiteElo "2010"]
[PlyCount "124"]
[EventDate "1984.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 0-0 7. e3 b6 8. cxd5 exd5 9. Rc1 Bb7 10. Bd3 Nbd7 11. 0-0 c5 12. Bb1 Ne4 13. Bg3 Nxg3 14. hxg3 Nf6 15. Nh4 Re8 16. Qf3 a6 17. Rcd1 c4 18. Rfe1 b5 19. a3 b4 20. axb4 Bxb4 21. Qe2 a5 22. Qc2 a4 23. Nxa4 Bxe1 24. Rxe1 Qa5 25. Nc3 Bc6 26. Nf3 Ba4 27. Qf5 Bd7 28. Qc2 Ne4 29. Nd2 Bf5 30. Ndxe4 Bxe4 31. Qe2 Bxb1 32. Rxb1 Rab8 33. Qh5 Red8 34. e4 Qb6 35. exd5 Qxd4 36. Rd1 Qf6 37. Qe2 Rb4 38. Rd2 Rdb8 39. d6 Qe6 40. d7 Qxe2 41. Rxe2 Kf8 42. Ne4 R4b7 43. Nc5 Rb6 44. g4 Rd8 45. Re4 Rxb2 46. Rxc4 Rb5 47. f4 Ke7 48. Re4+ Kd6 49. Re8 Kc7 50. Re5 Kc6 51. Re8 Rbb8 52. Rxd8 Rxd8 53. Nd3 Kxd7 54. Kf2 Ke6 55. Ke3 Ra8 56. g3 Ra2 57. Ke4 Ra4+ 58. Ke3 Kd5 59. Ne5 Re4+ 60. Kd3 Rxe5 61. fxe5 Kxe5 62. Ke3 Kf6 0-1

[Event "Imperia op 26th"]
[Site "Imperia"]
[Date "1984.09.04"]
[Round "4"]
[White "Hjorth, Greg"]
[Black "Tonna, Guido"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "2440"]
[BlackElo "2010"]
[PlyCount "81"]
[EventDate "1984.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 Nfd7 5. Nf3 d4 6. Nb5 Nc6 7. Qe2 Be7 8. d3 a6 9. Na3 Bb4+ 10. Kd1 Bxa3 11. bxa3 f6 12. exf6 Qxf6 13. Ng5 Nc5 14. Qh5+ Qg6 15. Qxg6+ hxg6 16. Bd2 a5 17. Kc2 Bd7 18. Re1 Ra6 19. Ne4 Nxe4 20. Rxe4 0-0 21. f4 Rf5 22. Be2 Rc5 23. Rb1 e5 24. Rb5 b6 25. g4 exf4 26. Rxc5 bxc5 27. Bxf4 Ra7 28. Bf3 Kf8 29. Re1 Nd8 30. Be4 Bxg4 31. Bxg6 Bd7 32. Be5 Be6 33. Rf1+ Kg8 34. Rb1 Nc6 35. Bf4 Ra8 36. Bxc7 Rf8 37. Bg3 Ne7 38. Be4 Bd7 39. Rb8 Ba4+ 40. Kd2 Rxb8 41. Bxb8 1-0

[Event "Imperia op 26th"]
[Site "Imperia"]
[Date "1984.09.03"]
[Round "3"]
[White "Tonna, Guido"]
[Black "Moulin, Pierre"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2010"]
[BlackElo "2200"]
[PlyCount "55"]
[EventDate "1984.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 b5 2. e4 a6 3. Be3 Bb7 4. Bd3 e6 5. Nh3 Nf6 6. Nd2 d6 7. 0-0 c5 8. c3 Nc6 9. Qe2 Qb6 10. a4 cxd4 11. cxd4 Nxd4 12. Bxd4 Qxd4 13. axb5 a5 14. Ng5 d5 15. Rac1 h6 16. Nxf7 Kxf7 17. Rc7+ Be7 18. Rxb7 Rhb8 19. Rxb8 Rxb8 20. Nf3 Qb6 21. Ne5+ Kg8 22. exd5 exd5 23. Nc6 Bc5 24. Nxb8 Qxb8 25. Rc1 Qd6 26. Bg6 Ne4 27. Bxe4 dxe4 28. Qc4+ 1-0

[Event "Imperia op 26th"]
[Site "Imperia"]
[Date "1984.09.02"]
[Round "2"]
[White "Tonna, Guido"]
[Black "Leoncini, Mario"]
[Result "1-0"]
[ECO "D59"]
[WhiteElo "2010"]
[PlyCount "49"]
[EventDate "1984.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Rc1 Bb7 11. Bd3 Rc8 12. 0-0 c5 13. Ne5 Nxc3 14. Rxc3 cxd4 15. Rxc8+ Bxc8 16. Be4 Bb7 17. Qf3 Bd5 18. Bxd5 exd5 19. Qxd5 a5 20. Qxa8 Qxe5 21. exd4 Qd6 22. Rc1 Kh7 23. Qe4+ g6 24. Rc8 Nd7 25. Qe8 1-0

[Event "Imperia op 26th"]
[Site "Imperia"]
[Date "1984.09.01"]
[Round "1"]
[White "Lostuzzi, Manlio"]
[Black "Tonna, Guido"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2121"]
[BlackElo "2010"]
[PlyCount "51"]
[EventDate "1984.09.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. d4 e6 6. Ne4 cxd4 7. Nxd4 a6 8. Bc4 Be7 9. 0-0 0-0 10. c3 b5 11. Bb3 Nf6 12. Qe2 Nxe4 13. Qxe4 Ra7 14. Bc2 g6 15. Bh6 Re8 16. Qe5 Bf6 17. Qxb8 Rc7 18. Qb6 Bxd4 19. Qxd4 Qxd4 20. cxd4 Rxc2 21. b3 Bb7 22. h4 f6 23. Rfc1 Rec8 24. a4 b4 25. a5 Rxc1+ 26. Rxc1 1/2-1/2

[Event "Imperia op 25th"]
[Site "Imperia"]
[Date "1983.09.11"]
[Round "9"]
[White "Tonna, Guido"]
[Black "Torrielli, Domenico"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "2014"]
[BlackElo "2108"]
[PlyCount "62"]
[EventDate "1983.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d3 g6 5. g3 Bg7 6. Bg2 d6 7. 0-0 Rb8 8. Ne2 Nge7 9. c3 0-0 10. Be3 b6 11. Qd2 d5 12. exd5 Nxd5 13. Bh6 Ba6 14. Bxg7 Kxg7 15. d4 cxd4 16. Nfxd4 Nxd4 17. Qxd4+ Nf6 18. Rfe1 Bxe2 19. Rxe2 Qxd4 20. cxd4 Rfd8 21. Rd1 Rd7 22. Red2 Rbd8 23. f4 Ng4 24. Bc6 Rd6 25. Bb5 Ne3 26. Rc1 Nf5 27. Be2 Rxd4 28. Rxd4 Rxd4 29. Rc7 Rd2 30. Bc4 Rc2 31. b3 b5 0-1

[Event "Imperia op 25th"]
[Site "Imperia"]
[Date "1983.09.10"]
[Round "8"]
[White "Lupi, Leonardo"]
[Black "Tonna, Guido"]
[Result "0-1"]
[ECO "A97"]
[WhiteElo "1900"]
[BlackElo "2014"]
[PlyCount "80"]
[EventDate "1983.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 f5 3. g3 Nf6 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 d6 7. d4 Qe8 8. b4 a5 9. b5 Nbd7 10. Na4 h6 11. Bb2 g5 12. Qc1 Ne4 13. Nd2 Nxd2 14. Qxd2 Nf6 15. Nc3 c6 16. a4 Bd7 17. e3 Qg6 18. Ne2 d5 19. Qd3 b6 20. c5 bxc5 21. bxc6 c4 22. Qc2 Bxc6 23. Ba3 Bb4 24. Nc3 Rab8 25. Nd1 Rfc8 26. Nc3 Qe8 27. Bb2 Rb6 28. f3 Qd7 29. h3 Rcb8 30. g4 Bd6 31. Bc1 Rb3 32. e4 Bb4 33. Nd1 Bxa4 34. Rxa4 Qxa4 35. exf5 Ra3 36. Qe2 Re8 37. Bxa3 exf5 38. Qa2 Qxa3 39. Qb1 Qd3 40. Qa1 f4 0-1

[Event "Imperia op 25th"]
[Site "Imperia"]
[Date "1983.09.09"]
[Round "7"]
[White "Tonna, Guido"]
[Black "Carli, Carlo"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "2014"]
[BlackElo "1936"]
[PlyCount "63"]
[EventDate "1983.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. e3 e6 4. b3 Be7 5. Bb2 0-0 6. g3 c5 7. Bg2 Nc6 8. d3 Qb6 9. Ne5 c4 10. d4 Nxe5 11. fxe5 Ne4 12. 0-0 f5 13. Nc3 Bd7 14. Rb1 cxb3 15. cxb3 Nxc3 16. Bxc3 Rac8 17. Qd2 Rc6 18. Rbc1 Ba3 19. Bb2 Bxb2 20. Qxb2 Rfc8 21. Qa3 Be8 22. Rxc6 Qxc6 23. Qxa7 Bh5 24. Qa5 h6 25. Qd2 Qc2 26. Rf2 Qb1+ 27. Bf1 Rc1 28. Kg2 Bg4 29. Qd3 Qa1 30. Qb5 Qb1 31. Qd3 Qa1 32. Qb5 1/2-1/2

[Event "Imperia op 25th"]
[Site "Imperia"]
[Date "1983.09.08"]
[Round "6"]
[White "Komnenic, Branko"]
[Black "Tonna, Guido"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1900"]
[BlackElo "2014"]
[PlyCount "80"]
[EventDate "1983.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 c5 2. e3 Nf6 3. Nf3 g6 4. Bd3 Bg7 5. 0-0 Qc7 6. c3 d6 7. h3 0-0 8. e4 e5 9. Nbd2 Nc6 10. dxe5 dxe5 11. Qe2 a6 12. a4 b6 13. Nb3 Be6 14. Bc4 Nd8 15. Bg5 Bxc4 16. Qxc4 Ne6 17. Bxf6 Bxf6 18. g3 Rfb8 19. Qe2 c4 20. Nbd2 b5 21. Ra2 Rd8 22. Rfa1 Rab8 23. axb5 axb5 24. Nf1 Nc5 25. Ne3 Qc6 26. Ng4 h5 27. Nfxe5 Bxe5 28. Nxe5 Qe6 29. Nf3 Qxe4 30. Qxe4 Nxe4 31. Ra7 b4 32. Rc7 bxc3 33. bxc3 Nxc3 34. Rxc4 Rbc8 35. Rxc8 Rxc8 36. Ra7 Nb5 37. Rb7 Nd6 38. Rd7 Ne8 39. Ne5 Rc7 40. Rd8 Re7 1/2-1/2

[Event "Imperia op 25th"]
[Site "Imperia"]
[Date "1983.09.07"]
[Round "5"]
[White "Tonna, Guido"]
[Black "Cozzaglio, Flaminio"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2014"]
[BlackElo "1950"]
[PlyCount "67"]
[EventDate "1983.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 d6 3. Nc3 g6 4. g3 Bg7 5. Bg2 0-0 6. d4 c6 7. e4 Bg4 8. 0-0 Nbd7 9. Be3 Qc7 10. Qd2 Bxf3 11. Bxf3 e5 12. h3 Rfe8 13. Bg2 a5 14. d5 Nc5 15. dxc6 bxc6 16. Rad1 Rad8 17. Bg5 Ne6 18. Be3 Nd4 19. Kh2 Rb8 20. f4 Nd7 21. g4 Rb7 22. f5 Reb8 23. Rb1 Rb4 24. b3 Nc5 25. f6 Bh8 26. Bxd4 exd4 27. Qxd4 a4 28. e5 d5 29. Qxc5 Qxe5+ 30. Kh1 Qxc3 31. Qxc6 dxc4 32. Rbc1 Qb2 33. bxc4 R4b6 34. Qd5 1/2-1/2

[Event "Imperia op 25th"]
[Site "Imperia"]
[Date "1983.09.06"]
[Round "4"]
[White "Tonna, Guido"]
[Black "Franco Ocampos, Zenon"]
[Result "0-1"]
[ECO "E43"]
[WhiteElo "2014"]
[BlackElo "2495"]
[PlyCount "88"]
[EventDate "1983.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Ne4 6. Qc2 Bb7 7. Bd3 f5 8. a3 Bxc3+ 9. bxc3 0-0 10. 0-0 c5 11. Nd2 Qh4 12. Nf3 Qh5 13. Be2 Nc6 14. Ne5 Qe8 15. Nxc6 Bxc6 16. f3 Nd6 17. Rd1 Nc8 18. a4 a5 19. Bd3 Ne7 20. Bd2 Qg6 21. Rf1 d6 22. Be1 Qf6 23. Bg3 e5 24. d5 Bd7 25. Rfe1 g5 26. Rab1 Rab8 27. Rb2 Kf7 28. Reb1 Nc8 29. h3 Ke7 30. e4 f4 31. Bf2 h5 32. Kf1 g4 33. hxg4 hxg4 34. Ke2 Rh8 35. Rg1 Rh2 36. Kd1 Kd8 37. Kc1 Kc7 38. Rb1 Ne7 39. Kb2 gxf3 40. gxf3 Bxa4 41. Qxa4 Rxf2+ 42. Ka3 Rxf3 43. Rg4 Rxd3 44. Rh1 Rh8 0-1

[Event "Imperia op 25th"]
[Site "Imperia"]
[Date "1983.09.04"]
[Round "2"]
[White "Tonna, Guido"]
[Black "Frank, Albert"]
[Result "1/2-1/2"]
[ECO "D87"]
[WhiteElo "2014"]
[BlackElo "1933"]
[PlyCount "46"]
[EventDate "1983.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 c5 9. Be3 Nc6 10. 0-0 cxd4 11. cxd4 Qa5 12. Qb3 Qd8 13. Rad1 Na5 14. Qb4 Nxc4 15. Qxc4 Bg4 16. f3 Bd7 17. Rb1 b5 18. Qb3 a5 19. Rfc1 Rc8 20. Rxc8 Qxc8 21. Rc1 Qa6 22. Qd3 Rc8 23. Rc5 e6 1/2-1/2

[Event "Imperia op 25th"]
[Site "Imperia"]
[Date "1983.09.03"]
[Round "1.10"]
[White "Gonzaga, Silvio"]
[Black "Tonna, Guido"]
[Result "1/2-1/2"]
[ECO "B24"]
[WhiteElo "2017"]
[BlackElo "2014"]
[PlyCount "81"]
[EventDate "1983.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Nge2 Bg7 5. Bg2 e6 6. d3 Nge7 7. Be3 Nd4 8. 0-0 0-0 9. Qd2 a6 10. Rae1 Rb8 11. f4 d6 12. Nc1 b5 13. Nd1 b4 14. c3 bxc3 15. bxc3 Ndc6 16. Ne2 Qa5 17. g4 f5 18. gxf5 exf5 19. Ng3 Bd7 20. exf5 Nxf5 21. Nxf5 Rxf5 22. Be4 Rff8 23. f5 Ne5 24. d4 cxd4 25. Bxd4 Bxf5 26. Bxf5 Rxf5 27. Rxf5 gxf5 28. Rf1 Rf8 29. Qe2 f4 30. Nf2 f3 31. Qe3 Qxa2 32. Kh1 Qe2 33. Qxe2 fxe2 34. Re1 Nf3 35. Rxe2 Nxd4 36. cxd4 Bxd4 37. Ne4 Be5 38. Rd2 Rd8 39. Nc5 Ra8 40. Nb7 a5 41. Nxd6 1/2-1/2

[Event "Imperia op 25th"]
[Site "Imperia"]
[Date "1983.09.03"]
[Round "3"]
[White "Wielander, K."]
[Black "Tonna, Guido"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1917"]
[BlackElo "2014"]
[PlyCount "70"]
[EventDate "1983.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 c5 2. Bf4 cxd4 3. Bxb8 Rxb8 4. Qxd4 a6 5. Nf3 d6 6. e3 e5 7. Qd2 Nf6 8. Nc3 b5 9. 0-0-0 Qc7 10. h3 b4 11. Nd5 Nxd5 12. Qxd5 Be6 13. Qd3 Be7 14. h4 h6 15. Be2 Rb5 16. Qe4 Ra5 17. Qa8+ Bd8 18. Nd2 0-0 19. Qe4 f5 20. Qxb4 Rxa2 21. Nb3 Be7 22. Kb1 a5 23. Qd2 a4 24. Nc1 Rxb2+ 25. Kxb2 Rb8+ 26. Ka1 e4 27. Na2 Bf6+ 28. c3 Rb3 29. Rc1 Ra3 30. Qb2 Qc5 31. Bb5 Rxa2+ 32. Qxa2 Bxa2 33. Bxa4 Qa3 34. Rc2 Bb3+ 35. Kb1 Qxa4 0-1

[Event "Venice tt"]
[Site "Venice"]
[Date "1983.??.??"]
[Round "?"]
[White "Rossato, Gino"]
[Black "Tonna, Guido"]
[Result "0-1"]
[ECO "A44"]
[PlyCount "78"]
[EventDate "1983.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. Nc3 d6 4. Nf3 Ne7 5. e3 Ng6 6. h4 Be7 7. h5 Nh4 8. Nd2 Nf5 9. Qf3 0-0 10. g3 Nh6 11. Bh3 f5 12. Qe2 e4 13. f3 exf3 14. Nxf3 Nd7 15. Bd2 Bf6 16. 0-0-0 Rb8 17. Qd3 Ng4 18. Bxg4 fxg4 19. Nh4 Ne5 20. Qe2 b5 21. Ne4 Bxh4 22. gxh4 b4 23. h6 gxh6 24. h5 c4 25. Be1 Qa5 26. Kb1 Rb6 27. a3 c3 28. axb4 Qxb4 29. Bxc3 Qxe4 30. Qh2 Rb7 31. Rhf1 Rf3 32. Qh4 Rbf7 33. Rg1 Nc4 34. Qd8+ Rf8 35. Qc7 R3f7 36. Qc6 Nxe3 37. Rde1 Qxc2+ 38. Ka2 Rf4 39. Rxe3 Ra4+ 0-1

[Event "Venice tt"]
[Site "Venice"]
[Date "1983.??.??"]
[Round "?"]
[White "Tonna, Guido"]
[Black "Marchiori, Diego"]
[Result "1-0"]
[ECO "E94"]
[PlyCount "75"]
[EventDate "1983.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. d5 Nbd7 8. 0-0 Nc5 9. Qc2 a5 10. Bg5 h6 11. Be3 b6 12. Nd2 Nh7 13. a3 f5 14. f3 f4 15. Bf2 g5 16. b4 axb4 17. axb4 Rxa1 18. Rxa1 Nd7 19. Ra7 h5 20. Nb5 Ndf6 21. Rxc7 g4 22. Rc6 g3 23. Bxb6 gxh2+ 24. Kh1 Qe7 25. c5 Nd7 26. Nxd6 Nxb6 27. Rxb6 Qh4 28. Qd1 Bh3 29. gxh3 Ng5 30. Bf1 Qf2 31. Bg2 Ra8 32. N6c4 h4 33. c6 Qd4 34. c7 Ra1 35. c8Q+ Bf8 36. Qxa1 Qxa1+ 37. Kxh2 Qe1 38. Rg6+ 1-0

