[Event "Villa Ballester op"]
[Site "Villa Ballester"]
[Date "1992.??.??"]
[Round "7"]
[White "Albores, Pablo"]
[Black "Katzman, Sergio"]
[Result "1/2-1/2"]
[ECO "A01"]
[PlyCount "77"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. c4 Nf6 4. e3 d5 5. cxd5 Nxd5 6. a3 Be7 7. Qc2 0-0 8. Nf3 Bf6 9. d3 Be6 10. Be2 a5 11. 0-0 g6 12. Nbd2 Bg7 13. Nc4 f6 14. Rfd1 Qe7 15. g3 Nb6 16. d4 exd4 17. Nxd4 Nxd4 18. Bxd4 Bf5 19. Bd3 Bxd3 20. Qxd3 Nxc4 21. Qxc4+ Qf7 22. Qxf7+ Kxf7 23. Bc3 Rfd8 24. Kf1 f5 25. Bxg7 Kxg7 26. Ke2 Kf6 27. Rac1 Rxd1 28. Rxd1 Ke6 29. Rd4 Re8 30. b4 axb4 31. axb4 Re7 32. g4 fxg4 33. Rxg4 Rd7 34. h4 Rd5 35. Rc4 c6 36. Re4+ Re5 37. Rd4 Rd5 38. Re4+ Re5 39. Rd4 1/2-1/2

[Event "Villa Ballester op"]
[Site "Villa Ballester"]
[Date "1992.??.??"]
[Round "5"]
[White "Araguas, Claudio"]
[Black "Katzman, Sergio"]
[Result "1/2-1/2"]
[ECO "D94"]
[PlyCount "80"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 0-0 6. cxd5 Nxd5 7. e4 Nxc3 8. bxc3 c5 9. Be3 Nc6 10. e5 Qa5 11. Bd2 e6 12. Qc2 b5 13. Rb1 Rb8 14. a4 bxa4 15. Rxb8 Nxb8 16. c4 Qb6 17. dxc5 Qxc5 18. Qxa4 Nc6 19. Be3 Qa5+ 20. Qxa5 Nxa5 21. Bxa7 Ba6 22. c5 Bxf1 23. Kxf1 Ra8 24. Bb6 Nc4 25. Ke2 Nxe5 26. Rd1 Ra2+ 27. Rd2 Rxd2+ 28. Nxd2 Kf8 29. Ne4 Ke7 30. f4 Nc6 31. g3 f5 32. Nd2 e5 33. fxe5 Nxe5 34. Nf3 Ng4 35. h3 Nf6 36. Bc7 Ne4 37. c6 Bc3 38. Kd3 Bb4 39. g4 Bd6 40. Bb6 Bc5 1/2-1/2

[Event "Villa Ballester op"]
[Site "Villa Ballester"]
[Date "1992.??.??"]
[Round "3"]
[White "Arenas, Sergio"]
[Black "Katzman, Sergio"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "101"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c3 Bg7 4. Bf4 d5 5. h3 0-0 6. Nbd2 b6 7. e3 Bb7 8. Bd3 c5 9. a4 cxd4 10. cxd4 Nc6 11. 0-0 Nb4 12. Be2 Rc8 13. Qb3 a5 14. Rac1 Nd7 15. Rc3 f6 16. Rfc1 e5 17. dxe5 Nc5 18. Qa3 fxe5 19. Nxe5 d4 20. exd4 Qxd4 21. Rc4 Qd6 22. Bg4 Bxe5 23. Bxe5 Qxe5 24. Bxc8 Rxc8 25. f4 Qe2 26. Nf3 Nbd3 27. Rf1 Re8 28. Qc3 Qe3+ 29. Kh2 Re4 30. Rxe4 Qxe4 31. Qf6 Ne6 32. Rg1 Qxf4+ 33. Qxf4 Nexf4 34. b3 Bxf3 35. gxf3 Nc5 36. Rb1 Nfd3 37. Kg2 Kf7 38. Kg3 Kf6 39. h4 Kf5 40. Rd1 h5 41. Rb1 g5 42. hxg5 Kxg5 43. f4+ Nxf4 44. b4 h4+ 45. Kh2 Nxa4 46. bxa5 bxa5 47. Rb5+ Kg4 48. Rxa5 Nb6 49. Ra7 Nbd5 50. Rg7+ Kf3 51. Rh7 1/2-1/2

[Event "Villa Ballester op"]
[Site "Villa Ballester"]
[Date "1992.??.??"]
[Round "6"]
[White "Katzman, Sergio"]
[Black "Berghmans, G."]
[Result "1-0"]
[ECO "B88"]
[PlyCount "39"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Bc4 e6 7. Bb3 Nc6 8. Be3 Be7 9. 0-0 Nxd4 10. Bxd4 b5 11. a3 0-0 12. f4 g6 13. Qf3 Bb7 14. Rae1 Nxe4 15. Nxe4 f5 16. Bxe6+ Rf7 17. Qb3 Bxe4 18. Bxf7+ Kf8 19. Rxe4 fxe4 20. f5 1-0

[Event "Villa Ballester op"]
[Site "Villa Ballester"]
[Date "1992.??.??"]
[Round "8"]
[White "Katzman, Sergio"]
[Black "Dickau, Daniel"]
[Result "0-1"]
[ECO "B11"]
[PlyCount "62"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. d3 dxe4 4. dxe4 Qxd1+ 5. Nxd1 e5 6. Nf3 Bd6 7. Ne3 Nf6 8. Bd3 b5 9. a4 0-0 10. 0-0 Bb7 11. Re1 a6 12. Nf5 Bc7 13. b4 Re8 14. Bb2 Nbd7 15. Ng3 Nb6 16. a5 Na4 17. Rab1 c5 18. c3 Bd6 19. Ba1 cxb4 20. cxb4 Rac8 21. Nf5 Bb8 22. Rbc1 Rxc1 23. Rxc1 Nxe4 24. Re1 Nec3 25. Bc2 e4 26. N3d4 g6 27. Nh6+ Kf8 28. Re3 Ba7 29. Bxc3 Nxc3 30. Rxc3 Bxd4 31. Rc7 Re7 0-1

[Event "Villa Ballester op"]
[Site "Villa Ballester"]
[Date "1992.??.??"]
[Round "2"]
[White "Katzman, Sergio"]
[Black "Escandell Mari, Juan Carlos"]
[Result "0-1"]
[ECO "B16"]
[BlackElo "2310"]
[PlyCount "52"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Nf3 Bg4 7. Be2 Qc7 8. h3 Bh5 9. c3 Nd7 10. Be3 e6 11. Nd2 Bg6 12. Bf3 Nb6 13. Qb3 0-0-0 14. c4 f5 15. Bg5 Be7 16. Bxe7 Qxe7 17. Qc3 e5 18. dxe5 f6 19. 0-0 fxe5 20. Be2 Rhg8 21. Rfd1 Qg7 22. Nf3 Rxd1+ 23. Rxd1 Bh5 24. Bf1 e4 25. Qa5 Bxf3 26. Qxa7 Bxg2 0-1

[Event "Villa Ballester op"]
[Site "Villa Ballester"]
[Date "1992.??.??"]
[Round "4"]
[White "Katzman, Sergio"]
[Black "Uboldi, Alejandro"]
[Result "1/2-1/2"]
[ECO "B05"]
[PlyCount "107"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Be7 7. c4 Nb6 8. b3 0-0 9. Qc2 Nc6 10. Bb2 Bf5 11. Qd2 dxe5 12. dxe5 Nb4 13. Nd4 Bxb1 14. Rfxb1 c5 15. a3 Bg5 16. f4 Nc6 17. fxg5 Nxd4 18. Bxd4 Qxd4+ 19. Qxd4 cxd4 20. Bf3 Rab8 21. Re1 Rfd8 22. Rad1 Rd7 23. c5 Na8 24. b4 Kf8 25. Rd3 a5 26. b5 a4 27. Red1 Nc7 28. c6 bxc6 29. bxc6 Rdd8 30. Rxd4 Rxd4 31. Rxd4 Ke8 32. Rxa4 Rb5 33. Re4 Nd5 34. Kf2 Rc5 35. Be2 Ne7 36. Rc4 Rxe5 37. Bf3 Kd8 38. Rd4+ Nd5 39. Rh4 Rxg5 40. Rxh7 Kc7 41. Rh5 Rxh5 42. Bxh5 g6 43. Bf3 Nb6 44. h4 f5 45. Kg3 e5 46. Kf2 Nc4 47. Bd5 Nd6 48. Kf3 Nc8 49. g4 Ne7 50. Bf7 fxg4+ 51. Kxg4 Kxc6 52. Kg5 e4 53. Kf4 e3 54. Kxe3 1/2-1/2

[Event "Villa Ballester op"]
[Site "Villa Ballester"]
[Date "1992.??.??"]
[Round "1"]
[White "Machuca, M."]
[Black "Katzman, Sergio"]
[Result "0-1"]
[ECO "D94"]
[PlyCount "74"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. e3 0-0 6. Bd3 c5 7. 0-0 Nc6 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. e4 Qd6 11. d5 Nd4 12. Nd2 Qc7 13. a4 e6 14. Bc4 b6 15. Rb1 Kh8 16. b3 Bb7 17. Bb2 exd5 18. exd5 Qf4 19. Re1 Rae8 20. Nf3 Rxe1+ 21. Nxe1 a6 22. Nf3 Nxf3+ 23. Qxf3 Qxf3 24. gxf3 Rd8 25. Bc1 Bxd5 26. Bxa6 Bxf3 27. Bg5 Rd4 28. Bd8 Rxd8 29. Bc4 Kg8 30. h3 Rd1+ 31. Rxd1 Bxd1 32. Kg2 Kf8 33. Kg3 Ke7 34. Kf4 Bc2 35. Kg5 Bf5 36. h4 Be6 37. h5 Bxc4 0-1

[Event "Omega op"]
[Site "Omega"]
[Date "1990.??.??"]
[Round "5"]
[White "Bielicki, Carlos"]
[Black "Katzman, Sergio"]
[Result "1/2-1/2"]
[ECO "D79"]
[WhiteElo "2335"]
[PlyCount "97"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ARG"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. g3 0-0 5. Bg2 c6 6. Nc3 d5 7. cxd5 cxd5 8. Ne5 e6 9. 0-0 Qb6 10. Na4 Qb5 11. b3 Nc6 12. Nxc6 Qxc6 13. Ba3 Re8 14. Qd3 Bd7 15. Nc5 Qd6 16. Bb2 Bc6 17. Rfc1 Rec8 18. e3 b6 19. Na6 Bb7 20. Bf1 Ne4 21. Qb5 e5 22. Qe2 exd4 23. exd4 Bh6 24. f4 Re8 25. Nc7 Nxg3 26. Qf3 Nf5 27. Nxe8 Rxe8 28. Re1 Re4 29. Bg2 Bxf4 30. Qh3 Be3+ 31. Kh1 Rh4 32. Rxe3 Rxh3 33. Rxh3 Qf4 34. Bc3 Nd6 35. Rf3 Qh4 36. Rc1 Ne4 37. Be1 Qd8 38. Bg3 Nxg3+ 39. hxg3 Bc8 40. Kh2 Be6 41. Rf4 g5 42. Rf2 h5 43. Re1 Kg7 44. Re5 h4 45. gxh4 gxh4 46. Bh3 Qd6 47. Rg2+ Kf8 48. Rf2 Kg7 49. Rg2+ 1/2-1/2

