[Event "Buenos Aires Duchamp Memorial op 4th"]
[Site "Buenos Aires"]
[Date "2012.10.30"]
[Round "8"]
[White "Donadon, Ivan"]
[Black "Guzman, Diego"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1772"]
[PlyCount "112"]
[EventDate "2012.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. b4 e5 2. b5 Nf6 3. Bb2 d6 4. e3 g6 5. Nf3 Bg7 6. Be2 a6 7. c4 axb5 8. cxb5 0-0 9. 0-0 Bd7 10. Nc3 c6 11. a4 c5 12. Ba3 Re8 13. Bc4 Be6 14. Bxe6 fxe6 15. Ng5 h6 16. Nge4 Nxe4 17. Nxe4 b6 18. Bc1 d5 19. Nc3 e4 20. Ra3 Nd7 21. f3 exf3 22. Qxf3 Rf8 23. Qg4 Rxf1+ 24. Kxf1 Qf6+ 25. Kg1 h5 26. Qe2 Qe7 27. e4 d4 28. d3 Qf8 29. Qa2 Qe8 30. a5 bxa5 31. Ne2 Kf7 32. Nf4 Bh6 33. Nxe6 Qxe6 34. Bxh6 Qxa2 35. Rxa2 a4 36. Bf4 Ke6 37. Bc7 a3 38. Kf2 Ra4 39. b6 Nxb6 40. Bxb6 Rb4 41. Rxa3 Rxb6 42. Kf3 Rb1 43. Ra6+ Kf7 44. Rc6 Rf1+ 45. Kg3 Rc1 46. Kf4 Rc2 47. g3 Rxh2 48. Rxc5 Rd2 49. Kg5 Rxd3 50. Rc7+ Ke6 51. Rc6+ Ke5 52. Kh4 g5+ 53. Kh3 h4 54. Rc5+ Kxe4 55. Rxg5 Rxg3+ 56. Rxg3 hxg3 0-1

[Event "Buenos Aires Duchamp Memorial op 4th"]
[Site "Buenos Aires"]
[Date "2012.10.29"]
[Round "7"]
[White "Burgin, Dario"]
[Black "Donadon, Ivan"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1774"]
[PlyCount "113"]
[EventDate "2012.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 Nf6 5. Bc4 Bg4 6. h3 Bxf3 7. Qxf3 Nd4 8. Qd1 g6 9. d3 Bg7 10. a4 0-0 11. Ne2 Nxe2 12. Qxe2 Nh5 13. Qf3 Qb6 14. c3 Rad8 15. 0-0 e6 16. g4 Nf6 17. f5 d5 18. exd5 exd5 19. a5 Qc6 20. Bb3 b5 21. Bg5 h6 22. Bf4 g5 23. Bg3 c4 24. dxc4 bxc4 25. Ba4 Qc5+ 26. Bf2 Qxa5 27. Bd4 Qc7 28. Bc2 a5 29. Kg2 Rb8 30. Rfb1 Rfe8 31. h4 Ne4 32. Bxg7 Kxg7 33. f6+ Kg8 34. Rh1 Nd2 35. Qf2 Qf4 36. Qxf4 gxf4 37. Rae1 Ne4 38. Kf3 Nxf6 39. Rxe8+ Nxe8 40. Rb1 Kf8 41. Kxf4 Ke7 42. Ke5 Nf6 43. g5 hxg5 44. hxg5 Ng4+ 45. Kf4 Nf2 46. Kf3 Nd3 47. Bxd3 cxd3 48. Ke3 Ke6 49. Kxd3 Kf5 50. Kd4 Kxg5 51. Kxd5 f5 52. b4 axb4 53. cxb4 f4 54. Rg1+ Kf5 55. Kc5 f3 56. b5 Kf4 57. b6 1/2-1/2

[Event "Buenos Aires Duchamp Memorial op 4th"]
[Site "Buenos Aires"]
[Date "2012.10.28"]
[Round "6"]
[White "Donadon, Ivan"]
[Black "Arias, Maria Paula"]
[Result "1-0"]
[ECO "A00"]
[BlackElo "1665"]
[PlyCount "51"]
[EventDate "2012.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. b4 e5 2. b5 Nf6 3. Bb2 d6 4. e3 Nbd7 5. Be2 b6 6. Nf3 Bb7 7. 0-0 g6 8. c4 Bg7 9. Nc3 0-0 10. Qc2 Re8 11. Ng5 h6 12. Nge4 Nxe4 13. Nxe4 d5 14. cxd5 Bxd5 15. Nc3 Bb7 16. Bc4 Nc5 17. Qxg6 Qf6 18. Qh5 Rab8 19. Rad1 Re7 20. d4 exd4 21. Rxd4 Rd7 22. Rf4 Qg5 23. Qxg5 hxg5 24. Rf5 g4 25. Rg5 Kf8 26. Rxg4 1-0

[Event "Buenos Aires Duchamp Memorial op 4th"]
[Site "Buenos Aires"]
[Date "2012.10.24"]
[Round "3"]
[White "Cheb Terrab, Alejandro"]
[Black "Donadon, Ivan"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2087"]
[PlyCount "44"]
[EventDate "2012.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 Nf6 5. Bb5 a6 6. Bxc6+ bxc6 7. 0-0 d5 8. d3 d4 9. Ne2 Bg4 10. Ne5 Qb6 11. a4 e6 12. a5 Qb7 13. h3 Bxe2 14. Qxe2 Be7 15. Nc4 0-0 16. Bd2 Ne8 17. e5 Nc7 18. Rf3 Nd5 19. Qe4 Rae8 20. Ra3 f5 21. Qe2 h6 22. Rb3 Qc7 1-0

[Event "Buenos Aires Duchamp Memorial op 4th"]
[Site "Buenos Aires"]
[Date "2012.10.23"]
[Round "2"]
[White "Donadon, Ivan"]
[Black "Barahona, Miguel"]
[Result "1-0"]
[ECO "A15"]
[BlackElo "1819"]
[PlyCount "70"]
[EventDate "2012.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. b4 Nf6 2. Nf3 g6 3. Bb2 Bg7 4. e3 d6 5. Be2 0-0 6. 0-0 e5 7. c4 b6 8. Nc3 Bb7 9. Qc2 Nc6 10. b5 Ne7 11. Rac1 Nd7 12. d4 exd4 13. exd4 c6 14. bxc6 Nxc6 15. d5 Nce5 16. Nb5 Nxf3+ 17. Bxf3 Ne5 18. Be2 a6 19. Nd4 Rc8 20. Qb3 Re8 21. f4 Nd7 22. Bg4 Nc5 23. Qh3 Bxd4+ 24. Bxd4 Rc7 25. f5 Re4 26. fxg6 fxg6 27. Bxc5 bxc5 28. Be6+ Kg7 29. Qc3+ Re5 30. Rce1 Qg5 31. Rxe5 dxe5 32. Re1 Kf6 33. Qa5 Re7 34. Qxc5 Kg7 35. Bh3 Qd2 1-0

[Event "Buenos Aires Duchamp Memorial op 4th"]
[Site "Buenos Aires"]
[Date "2012.10.22"]
[Round "1"]
[White "Lopez Rebert, Pablo"]
[Black "Donadon, Ivan"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2045"]
[PlyCount "82"]
[EventDate "2012.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 g6 5. 0-0 Bg7 6. Bc2 0-0 7. d4 cxd4 8. cxd4 Nc6 9. h3 Qb6 10. Nc3 Nb4 11. Bb1 a5 12. Bg5 Re8 13. Qd2 Bd7 14. a3 Nc6 15. e5 Nh5 16. g4 dxe5 17. gxh5 Nxd4 18. Nxd4 exd4 19. Nd5 Qd6 20. Be4 Bxh3 21. Rfe1 e5 22. Rac1 f5 23. Bh1 e4 24. Nf4 Bg4 25. Qc2 Be5 26. Qb3+ Kh8 27. hxg6 Rg8 28. Qe6 Qxe6 29. Nxe6 Rxg6 30. f4 Bxf4 31. Nxf4 Rxg5 32. Ne6 Rg6 33. Nxd4 Rd8 34. Nc2 Rd2 35. Ne3 Bh3+ 36. Bg2 Bxg2 37. Rc2 Bh3+ 38. Kh1 Rxc2 39. Nxc2 Rg2 40. Ne3 Rxb2 41. Nd5 Kg7 0-1

