[Event "World Amateur-ch U1700"]
[Site "Cagliari"]
[Date "2018.04.28"]
[Round "8"]
[White "Vargiu, Alessandro"]
[Black "Lussu, Andrea"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1057"]
[BlackElo "1457"]
[PlyCount "113"]
[EventDate "2018.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 Nc6 4. e3 Ne4 5. Bf4 Bg4 6. Be2 e6 7. Nbd2 Bb4 8. c3 Be7 9. Qc2 Bf5 10. Nxe4 Bxe4 11. Bd3 Bg6 12. 0-0 Bh5 13. Nd2 Bg5 14. Bg3 Qf6 15. Bxc7 0-0 16. Bxh7+ Kh8 17. Bd3 Ne7 18. Bd6 Rfe8 19. Bxe7 Rxe7 20. Rae1 g6 21. e4 Rae8 22. Bb5 Rd8 23. Nb3 Kg7 24. e5 Qf4 25. Be2 Qh4 26. Bxh5 Qxh5 27. Qe2 Qh4 28. h3 Rh8 29. Qg4 Qh6 30. f4 Bh4 31. g3 Bxg3 32. Qxg3 Qh5 33. Kg2 Qf5 34. Qg4 Qc2+ 35. Rf2 Qd3 36. Qg3 Qf5 37. Nd2 Rh5 38. Kh2 Re8 39. Re3 Reh8 40. Qg2 Rh4 41. Ref3 Rg4 42. Qf1 Rgh4 43. Rg3 a6 44. Nf3 Rxf4 45. Rg5 Qe4 46. Nd2 Rxh3+ 47. Kxh3 Qe3+ 48. Rg3 Rh4+ 49. Kxh4 Qh6+ 50. Kg4 Qh5+ 51. Kf4 Qf5+ 52. Ke3 Qc2 53. Rxf7+ Kg8 54. Rxg6+ Qxg6 55. Rf6 Qg5+ 56. Rf4 Qg3+ 57. Nf3 1-0

[Event "World Amateur-ch U1700"]
[Site "Cagliari"]
[Date "2018.04.27"]
[Round "7"]
[White "Lussu, Andrea"]
[Black "Massidda, Antonio"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1457"]
[BlackElo "1209"]
[PlyCount "146"]
[EventDate "2018.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Nf6 5. Nf3 Bf5 6. d3 c6 7. 0-0 Qc7 8. Bg5 Nbd7 9. Re1 e6 10. Bh4 h6 11. d4 0-0-0 12. Bg3 Bd6 13. Ne5 Nxe5 14. dxe5 Bxe5 15. Qe2 Bxg3 16. hxg3 Rhe8 17. Qe3 Qb6 18. Qf4 Qxb2 19. Qe3 Bxc2 20. Rac1 Qb4 21. Rxc2 Qxc4 22. Qxa7 Rd3 23. Qa8+ Kc7 24. Qa5+ Kc8 25. Nb5 cxb5 26. Rxc4+ bxc4 27. Qc5+ Kb8 28. Qxc4 Red8 29. Kh2 R8d4 30. Qb5 Ng4+ 31. Kg1 Rd1 32. Qe8+ Ka7 33. Rf1 Nxf2 34. Kxf2 R4d2+ 35. Kg1 Rxf1+ 36. Kxf1 Rxa2 37. Qxf7 Ra1+ 38. Ke2 Ra2+ 39. Kd3 Ra3+ 40. Kc4 Ra4+ 41. Kb5 Rg4 42. Qf2+ Ka8 43. Qf3 Rg6 44. Qd3 Rf6 45. Qa3+ Kb8 46. Qd6+ Ka8 47. Qd8+ Ka7 48. Qh8 Rg6 49. Qd8 Rg5+ 50. Kc4 Rg4+ 51. Kb5 Rg5+ 52. Kc4 Rg4+ 53. Kd3 Rxg3+ 54. Ke4 Rxg2 55. Qa5+ Kb8 56. Kf3 Rg5 57. Qd8+ Ka7 58. Qe8 e5 59. Ke4 b6 60. Kd5 Ka6 61. Kc6 Ka5 62. Qa8+ Kb4 63. Kxb6 Kc4 64. Qe4+ Kc3 65. Kc5 g6 66. Qe3+ Kb2 67. Kc4 Rg4+ 68. Kd3 h5 69. Qxe5+ Ka3 70. Kc3 Ka4 71. Qe8+ Ka5 72. Qe5+ Ka6 73. Kb3 Ka7 1/2-1/2

[Event "World Amateur-ch U1700"]
[Site "Cagliari"]
[Date "2018.04.26"]
[Round "6"]
[White "Feeley, Philip"]
[Black "Lussu, Andrea"]
[Result "1-0"]
[ECO "D02"]
[BlackElo "1457"]
[PlyCount "85"]
[EventDate "2018.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. Nf3 e6 5. h3 Bb4+ 6. c3 Be7 7. Bd3 Bg6 8. Ne5 Bxd3 9. Qxd3 0-0 10. Nd2 Nbd7 11. Ndf3 Ne4 12. 0-0-0 c5 13. Rdf1 Nb6 14. Nd2 cxd4 15. exd4 Nxd2 16. Bxd2 Rc8 17. Kb1 Nc4 18. Nxc4 Rxc4 19. b3 Qb6 20. Rc1 Ra4 21. Rc2 Rc8 22. g4 Rac4 23. Ka1 R4c6 24. f4 a5 25. Rb1 Qc7 26. Rbc1 Ba3 27. Rf1 Rb8 28. c4 b5 29. c5 b4 30. h4 Qa7 31. g5 a4 32. Rb1 axb3 33. Rxb3 Ra8 34. Bxb4 Bxb4 35. Rxb4 Ra6 36. Qb3 g6 37. Rb7 Ra3 38. Rxa7 R8xa7 39. Qb8+ Kg7 40. c6 R7a4 41. Qe5+ Kf8 42. c7 Rc4 43. c8Q+ 1-0

[Event "World Amateur-ch U1700"]
[Site "Cagliari"]
[Date "2018.04.25"]
[Round "5"]
[White "Lussu, Andrea"]
[Black "Paletta, Giuseppe"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1457"]
[BlackElo "1619"]
[PlyCount "71"]
[EventDate "2018.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. Nf3 b6 2. e4 Bb7 3. Nc3 e6 4. d4 Bb4 5. Bd2 Bxc3 6. Bxc3 Bxe4 7. Bc4 d5 8. Bb5+ c6 9. Bd3 Nf6 10. Ng5 Bxd3 11. Qxd3 Nbd7 12. 0-0-0 h6 13. Nf3 Qc7 14. Rde1 Ne4 15. Bb4 Nxf2 16. Rxe6+ fxe6 17. Qg6+ Kd8 18. Qxg7 Re8 19. Re1 Ne4 20. Qxh6 a5 21. Ba3 Kc8 22. Qg6 Kb7 23. Kb1 b5 24. c3 b4 25. cxb4 axb4 26. Bxb4 Qb6 27. a3 Qb5 28. Qf7 c5 29. dxc5 Ka6 30. Rc1 Nexc5 31. Ka2 Nd3 32. Rc7 Nxb4+ 33. axb4 Kb6+ 34. Kb3 Kxc7 35. Qf4+ e5 36. Qe3 0-1

[Event "World Amateur-ch U1700"]
[Site "Cagliari"]
[Date "2018.04.24"]
[Round "4"]
[White "Saci, Cherif"]
[Black "Lussu, Andrea"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1457"]
[PlyCount "36"]
[EventDate "2018.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. 0-0 d6 6. a3 a6 7. d3 Bg4 8. h3 Bh5 9. Be3 Nd4 10. Bxd4 Bxd4 11. g4 Nxg4 12. hxg4 Bxg4 13. Re1 Qf6 14. Nd5 Qg6 15. Kf1 Qh5 16. Re3 Bxe3 17. fxe3 Bxf3 18. Qd2 Qh1+ 0-1

[Event "World Amateur-ch U1700"]
[Site "Cagliari"]
[Date "2018.04.23"]
[Round "3"]
[White "Lussu, Andrea"]
[Black "Cosmin Preda, Iulian"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1457"]
[BlackElo "1577"]
[PlyCount "108"]
[EventDate "2018.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. Nf3 Nf6 2. Nc3 g6 3. d4 d5 4. Bf4 Bg7 5. e3 a6 6. Bd3 c6 7. Ne5 Nbd7 8. Nf3 0-0 9. h4 Nb6 10. h5 Nxh5 11. Rxh5 gxh5 12. Ng5 Bg4 13. Bxh7+ Kh8 14. f3 Bh6 15. Bd3 Bxg5 16. fxg4 Bxf4 17. exf4 Qd7 18. f5 Rg8 19. Qd2 Qd6 20. 0-0-0 Rxg4 21. Kb1 Rag8 22. Rh1 Qf4 23. Qe2 Qg5 24. a3 h4 25. Qe1 Kg7 26. Qe5+ Qf6 27. Qe2 Kf8 28. Qf2 Qxd4 29. Qd2 Qf6 30. Ne2 Rxg2 31. Qb4 Nc4 32. Bxc4 dxc4 33. Qxc4 Qe5 34. Nf4 Rg1+ 35. Rxg1 Rxg1+ 36. Ka2 Rg4 37. Ne6+ fxe6 38. Qxg4 exf5 39. Qxh4 Qf6 40. Qf4 e5 41. Qb4+ Qe7 42. Qd2 Qe6+ 43. Kb1 Kf7 44. Qd8 e4 45. Qc7+ Qe7 46. Qf4 Ke6 47. c4 Qf6 48. c5 Qe5 49. Qh6+ Kd5 50. b4 e3 51. Qh1+ Qe4+ 52. Qxe4+ Kxe4 53. Kc1 Kd3 54. Kd1 f4 0-1

[Event "World Amateur-ch U1700"]
[Site "Cagliari"]
[Date "2018.04.23"]
[Round "2"]
[White "Lussu, Andrea"]
[Black "Kanev, Evgeny"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1457"]
[BlackElo "1633"]
[PlyCount "82"]
[EventDate "2018.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. Nf3 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. Be3 Nc6 6. Bd3 0-0 7. a3 Ng4 8. Qd2 Nxe3 9. Qxe3 e5 10. d5 Ne7 11. 0-0-0 f5 12. h4 f4 13. Qe2 Bg4 14. Rdg1 h5 15. Qf1 Bxf3 16. gxf3 Kh7 17. Qh3 a6 18. Rg5 Bf6 19. Rg2 Qc8 20. Qh2 Qd7 21. Rhg1 Rg8 22. Kb1 Bg7 23. Ne2 c5 24. dxc6 bxc6 25. Nxf4 exf4 26. Qxf4 Be5 27. Qd2 Raf8 28. Qe2 Qb7 29. b3 Qb6 30. f4 Rxf4 31. Rg5 Kh6 32. Qd2 Qd4 33. Rxe5 dxe5 34. Rf1 Kh7 35. c3 Qd6 36. b4 a5 37. c4 axb4 38. axb4 Rxh4 39. c5 Qd4 40. Rc1 Rf8 41. Rf1 Rh2 0-1

[Event "World Amateur-ch U1700"]
[Site "Cagliari"]
[Date "2018.04.22"]
[Round "1"]
[White "Todd, Andrew"]
[Black "Lussu, Andrea"]
[Result "0-1"]
[ECO "D06"]
[BlackElo "1457"]
[PlyCount "70"]
[EventDate "2018.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Qb3 Nf6 5. Qxb7 Nbd7 6. Nc3 Be7 7. cxd5 exd5 8. Nxd5 0-0 9. Nxe7+ Qxe7 10. Qxc7 Rfc8 11. Qf4 Bg6 12. Ne5 Nxe5 13. dxe5 Nd5 14. Qg5 Qb4+ 15. Qd2 Qc5 16. e3 Nb4 17. Ke2 Bd3+ 18. Kf3 Qd5+ 19. Kg3 Qxe5+ 20. f4 Qe4 21. Bxd3 Nxd3 22. Rd1 Qg6+ 23. Kh3 Qh5+ 24. Kg3 Nc5 25. Qd5 Qg6+ 26. Kf3 h5 27. h3 h4 28. Qg5 Qe4+ 29. Ke2 Ne6 30. Qxh4 Qxg2+ 31. Qf2 Qe4 32. b3 Rc5 33. Qf3 Rc2+ 34. Rd2 Nd4+ 35. Kd1 Qxf3+ 0-1

[Event "Sardegna Region-ch"]
[Site "Capoterra"]
[Date "2012.05.27"]
[Round "6"]
[White "Cao, Carlo"]
[Black "Lussu, Andrea"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1573"]
[BlackElo "1413"]
[PlyCount "69"]
[EventDate "2012.05.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ITA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. 0-0 Be7 7. Qd5 Nh6 8. Bxh6 0-0 9. Bc1 Nb4 10. Qd1 d5 11. bxc3 Nc6 12. exd5 Na5 13. Bd3 Bd6 14. c4 Bg4 15. Bb2 f6 16. Nbd2 Qe8 17. Qc2 f5 18. Qc3 Rf6 19. Qxa5 Rh6 20. Qc3 Rf6 21. Ne5 Qh5 22. Bc2 Rh6 23. Qg3 Rf8 24. f4 Bc5+ 25. Kh1 Be3 26. Nxg4 fxg4 27. Ne4 Qh4 28. Qxh4 Rxh4 29. g3 Rh3 30. Rae1 Bb6 31. Bd1 h5 32. Ng5 h4 33. Nxh3 hxg3 34. Bxg4 g6 35. Ng5 1-0

[Event "Sardegna Region-ch"]
[Site "Capoterra"]
[Date "2012.05.27"]
[Round "5"]
[White "Lussu, Andrea"]
[Black "Carucci, Bruno"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1413"]
[BlackElo "1504"]
[PlyCount "59"]
[EventDate "2012.05.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ITA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Ne4 4. Nb5 c6 5. Nd4 e6 6. d3 Bb4+ 7. c3 Nxc3 8. Qb3 Nxa2+ 9. Kd1 Qb6 10. Be3 Nc3+ 11. bxc3 a5 12. Nc2 c5 13. cxb4 d4 14. Bf4 Bd7 15. Be2 a4 16. Qa3 0-0 17. Bf3 c4 18. dxc4 Bc6 19. c5 Qd8 20. Qd3 Na6 21. h4 Nc7 22. Nh3 Bxf3+ 23. gxf3 Qxh4 24. Bg5 Qh5 25. Kd2 f5 26. exf6 e5 27. Nf4 e4 28. Qxe4 Qe8 29. Qxh7+ Kf7 30. Qxg7# 1-0

[Event "Sardegna Region-ch"]
[Site "Capoterra"]
[Date "2012.05.26"]
[Round "4"]
[White "Di Pinto, Vincenzo"]
[Black "Lussu, Andrea"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1609"]
[BlackElo "1413"]
[PlyCount "50"]
[EventDate "2012.05.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ITA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5 4. e3 e6 5. Bd3 Be7 6. Bxf5 exf5 7. 0-0 Ne4 8. Ne5 0-0 9. Qd3 f6 10. Nf3 Qd7 11. h3 g5 12. Bh2 Nc6 13. a3 g4 14. hxg4 fxg4 15. Nfd2 f5 16. c4 Rf6 17. cxd5 Qxd5 18. Nc3 Nxc3 19. bxc3 Qd7 20. e4 Raf8 21. e5 Rh6 22. Qe3 Qe6 23. c4 Qg6 24. f4 b6 25. d5 Bc5 0-1

[Event "Sardegna Region-ch"]
[Site "Capoterra"]
[Date "2012.05.20"]
[Round "2"]
[White "Corona, Rafaele"]
[Black "Lussu, Andrea"]
[Result "1-0"]
[ECO "C53"]
[WhiteElo "1620"]
[BlackElo "1413"]
[PlyCount "59"]
[EventDate "2012.05.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ITA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nf6 8. Bg5 h6 9. Bxf6 Qxf6 10. Qd3 Bd7 11. 0-0 0-0 12. Nd5 Qg6 13. e5 Bf5 14. Qb3 Bh3 15. Nf4 Qg4 16. Nxh3 dxe5 17. Nxe5 Nxe5 18. dxe5 Be7 19. e6 f6 20. Rad1 b5 21. Qxb5 Rab8 22. Qd7 Rbd8 23. Qa4 Rb8 24. Rd7 Rb4 25. Qd1 Qxc4 26. Rxe7 Rxb2 27. Qd7 Qxf1+ 28. Kxf1 Rb1+ 29. Ke2 Rb2+ 30. Kd3 1-0

[Event "Sardegna Region-ch"]
[Site "Capoterra"]
[Date "2012.05.20"]
[Round "3"]
[White "Lussu, Andrea"]
[Black "Toniolo, Massimo"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1413"]
[BlackElo "1785"]
[PlyCount "76"]
[EventDate "2012.05.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ITA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Bc4 Nc6 4. d3 Qc7 5. Be3 Nf6 6. Nc3 a6 7. Qd2 b5 8. Bb3 Be7 9. Bf4 d6 10. 0-0-0 Na5 11. e5 Nxb3+ 12. cxb3 Nd7 13. Ne4 Nxe5 14. Nxe5 dxe5 15. Bg5 f6 16. Bh4 0-0 17. g3 Bb7 18. Nc3 Bxh1 19. Rxh1 Rad8 20. f4 c4 21. bxc4 bxc4 22. Kb1 Rxd3 23. Qe2 Qb7 24. Qe1 Rxc3 25. Rg1 Ba3 26. Qxc3 Qe4+ 27. Kc1 Bb4 28. Qxb4 Qe3+ 29. Kc2 Qxg1 30. Qxc4 Qxh2+ 31. Kb3 Rb8+ 32. Ka4 Qxb2 33. Qxe6+ Kh8 34. Qb3 Rxb3 35. axb3 exf4 36. gxf4 Qd4+ 37. b4 g5 38. Be1 Qa1+ 0-1

[Event "Sardegna Region-ch"]
[Site "Capoterra"]
[Date "2012.05.19"]
[Round "1"]
[White "Lussu, Andrea"]
[Black "Marano, Daniele"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1413"]
[BlackElo "1727"]
[PlyCount "44"]
[EventDate "2012.05.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ITA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qh5 9. Nxe4 Be6 10. Neg5 0-0-0 11. Bf4 Bd6 12. Qd2 Rhe8 13. Nxd4 Bxf4 14. Qxf4 Rxd4 15. Qe3 Bd7 16. Qxe8+ Bxe8 17. Nf3 Rd8 18. h3 Nd4 19. Nxd4 Rxd4 20. Rxe8+ Kd7 21. Rae1 Rd1 22. R8e7+ Kc6 0-1

