[Event "URU-ch sf"]
[Site "Montevideo"]
[Date "2024.02.13"]
[Round "7"]
[White "Steiner, Matias"]
[Black "Tonelli, Julian"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1801"]
[BlackElo "1506"]
[PlyCount "91"]
[EventDate "2024.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "CB08_2024"]
[SourceDate "2024.02.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.21"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. 0-0 Bg4 7. h3 Bh5 8. b4 Bb6 9. a4 a6 10. Bb3 h6 11. Nbd2 0-0 12. Re1 Re8 13. Nf1 Ne7 14. Ng3 Bg6 15. Nh4 Qd7 16. Qf3 Kh7 17. Nxg6 fxg6 18. Be3 Bxe3 19. Qxe3 Nc6 20. b5 Na5 21. Bc4 Nxc4 22. dxc4 Qf7 23. Qe2 Nd7 24. Nf1 Nc5 25. Nd2 Ra7 26. Reb1 Rea8 27. b6 cxb6 28. Rxb6 Qc7 29. a5 Nd7 30. Rab1 Nxb6 31. axb6 Qc6 32. Qd3 a5 33. bxa7 Rxa7 34. Qd5 Qc7 35. Qb5 a4 36. Qb6 Qb8 37. Rb5 Qa8 38. Qxd6 a3 39. Rb1 Ra6 40. Qb4 Qd8 41. Nb3 a2 42. Ra1 Rb6 43. Qa5 Rxb3 44. Qxd8 Rb1+ 45. Kh2 Rxa1 46. Qa5 1-0

[Event "URU-ch sf"]
[Site "Montevideo"]
[Date "2024.02.12"]
[Round "6"]
[White "Flores Pedreira, Guillermo"]
[Black "Steiner, Matias"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "1643"]
[BlackElo "1801"]
[PlyCount "49"]
[EventDate "2024.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "CB08_2024"]
[SourceDate "2024.02.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.21"]
[SourceQuality "1"]

1. e4 c5 2. d3 Nc6 3. g3 Nf6 4. Bg2 g6 5. Nf3 d5 6. Nbd2 Bg7 7. 0-0 0-0 8. Re1 dxe4 9. dxe4 e5 10. c3 h6 11. Qb3 Rb8 12. Qa3 Qe7 13. Nc4 Re8 14. Ncxe5 Nxe5 15. Nxe5 Nxe4 16. Nxg6 fxg6 17. Bxe4 Bh3 18. Bf4 Be5 19. Bxg6 Qf6 20. Bxe5 Qxg6 21. Qb3+ Kh7 22. Bxb8 Rxb8 23. Re7+ Kh8 24. Qd5 Rf8 25. Rae1 1-0

[Event "URU-ch sf"]
[Site "Montevideo"]
[Date "2024.02.12"]
[Round "5"]
[White "Steiner, Matias"]
[Black "Dominguez, Facundo"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1801"]
[BlackElo "2113"]
[PlyCount "37"]
[EventDate "2024.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "CB08_2024"]
[SourceDate "2024.02.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.21"]
[SourceQuality "1"]

1. e4 c6 2. d4 g6 3. Nf3 Bg7 4. Nc3 d5 5. e5 Bg4 6. h3 Bxf3 7. Qxf3 e6 8. Bf4 Nd7 9. 0-0-0 Ne7 10. Bd3 a6 11. Ne2 c5 12. c3 b5 13. dxc5 Nxc5 14. Bg3 Qc7 15. Qe3 Nxd3+ 16. Rxd3 Nf5 17. Qd2 Nxg3 18. Nxg3 Bxe5 19. Re1 0-1

[Event "URU-ch sf"]
[Site "Montevideo"]
[Date "2024.02.11"]
[Round "4"]
[White "Guerrero, Alvaro"]
[Black "Steiner, Matias"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "1962"]
[BlackElo "1801"]
[PlyCount "66"]
[EventDate "2024.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "CB08_2024"]
[SourceDate "2024.02.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.21"]
[SourceQuality "1"]

1. e4 c5 2. d3 Nc6 3. Nf3 Nf6 4. g3 d5 5. Nbd2 g6 6. Bg2 Bg7 7. 0-0 0-0 8. Re1 dxe4 9. dxe4 e5 10. c3 h6 11. Qc2 Be6 12. Nf1 Qc7 13. Ne3 Rfd8 14. b3 b5 15. Bb2 c4 16. Bf1 cxb3 17. axb3 Na5 18. c4 Ng4 19. Bc3 Nxe3 20. Rxe3 Nc6 21. cxb5 Nd4 22. Qb2 Nxb3 23. Rb1 f6 24. Bb4 Nd4 25. Ra3 Bf8 26. Bxf8 Kxf8 27. Nxd4 Rxd4 28. b6 Qb7 29. bxa7 Qxb2 30. Rxb2 Ke7 31. Rb8 Rd8 32. Rxa8 Rxa8 33. f4 exf4 1-0

[Event "URU-ch sf"]
[Site "Montevideo"]
[Date "2024.02.10"]
[Round "2"]
[White "Llabres, Miguel"]
[Black "Steiner, Matias"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1561"]
[BlackElo "1801"]
[PlyCount "40"]
[EventDate "2024.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "CB08_2024"]
[SourceDate "2024.02.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.21"]
[SourceQuality "1"]

1. e4 c5 2. b4 b6 3. Nf3 e6 4. Bb2 Nf6 5. e5 Nd5 6. b5 Be7 7. c4 Nc7 8. Bd3 Bb7 9. Nc3 d5 10. exd6 Qxd6 11. Qe2 0-0 12. Ne4 Qd8 13. h4 Nd7 14. Neg5 h6 15. Ne4 f5 16. Ng3 Bf6 17. Rb1 Bxb2 18. Rxb2 Bxf3 19. Qxf3 Ne5 20. Qe3 Nxd3+ 0-1

[Event "URU-ch sf"]
[Site "Montevideo"]
[Date "2024.02.10"]
[Round "3"]
[White "Steiner, Matias"]
[Black "Gimenez, Thiago"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1801"]
[BlackElo "1501"]
[PlyCount "29"]
[EventDate "2024.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "CB08_2024"]
[SourceDate "2024.02.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.21"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nge7 6. Na3 Nf5 7. Nc2 Qb6 8. Bd3 cxd4 9. cxd4 Bb4+ 10. Bd2 Bxd2+ 11. Qxd2 Qxb2 12. 0-0 Nfxd4 13. Nfxd4 Nxd4 14. Rfb1 Nb3 15. Qe1 1-0

[Event "URU-ch sf"]
[Site "Montevideo"]
[Date "2024.02.09"]
[Round "1"]
[White "Steiner, Matias"]
[Black "Carbone, Diego"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1801"]
[BlackElo "2275"]
[PlyCount "44"]
[EventDate "2024.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "CB08_2024"]
[SourceDate "2024.02.21"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.21"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 Nf6 4. dxc5 Nc6 5. cxd6 Nxe4 6. Nf3 Nxd6 7. Bd3 g6 8. 0-0 Bg7 9. a4 0-0 10. Na3 e5 11. Bc2 h6 12. Be3 b6 13. b4 e4 14. Nd4 Ne5 15. Ndb5 Nxb5 16. Nxb5 Qh4 17. Qe2 Bg4 18. f3 exf3 19. gxf3 Bh5 20. Bf2 Qf6 21. Nd4 Nxf3+ 22. Nxf3 Bxf3 0-1

[Event "Montevideo Duchamp Cup 7th"]
[Site "Montevideo"]
[Date "2024.02.08"]
[Round "8"]
[White "Pelaez, Diego"]
[Black "Steiner, Matias"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1582"]
[BlackElo "1801"]
[PlyCount "70"]
[EventDate "2024.02.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. h3 e5 7. d5 a5 8. Be3 Na6 9. a3 Nh5 10. Nd2 Qe8 11. Be2 Nf4 12. Rh2 f5 13. g3 Nxe2 14. Nxe2 f4 15. gxf4 exf4 16. Bxf4 Nc5 17. Qc2 Bxb2 18. Ra2 Bg7 19. f3 Rxf4 20. Nxf4 Be5 21. Nxg6 Bxh2 22. Nf1 Qxg6 23. Qxh2 Qh6 24. Qg1+ Kf7 25. Ne3 Bd7 26. Rg2 Qf6 27. Qh2 Qxf3 28. Kd2 Nxe4+ 29. Kd3 Bf5 30. Kd4 c5+ 31. dxc6 bxc6 32. Nxf5 c5+ 33. Kd5 Qxf5+ 34. Kc6 Qc8+ 35. Kd5 Qb7# 0-1

[Event "Montevideo Duchamp Cup 7th"]
[Site "Montevideo"]
[Date "2024.02.07"]
[Round "7"]
[White "Steiner, Matias"]
[Black "Sepliarsky, Mario"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1801"]
[BlackElo "2093"]
[PlyCount "54"]
[EventDate "2024.02.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. Be3 Nd7 6. Nf3 Ne7 7. Bd3 Nc6 8. c4 Ndxe5 9. Nxe5 Nxe5 10. cxd5 exd5 11. Be2 Be7 12. Nc3 Be6 13. Bb5+ Nc6 14. 0-0 0-0 15. Ne2 Qa5 16. Qa4 Qxa4 17. Bxa4 Bf6 18. Rfd1 Rac8 19. Rab1 Bf5 20. b4 Bxb1 21. Rxb1 Rfd8 22. b5 Ne7 23. c6 d4 24. Bf4 bxc6 25. bxc6 Nxc6 26. Rc1 Ne5 27. Rxc8 Rxc8 0-1

[Event "Montevideo Duchamp Cup 7th"]
[Site "Montevideo"]
[Date "2024.02.06"]
[Round "6"]
[White "Monferrato, Rocco"]
[Black "Steiner, Matias"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1580"]
[BlackElo "1801"]
[PlyCount "76"]
[EventDate "2024.02.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 Be6 9. Qd3 0-0 10. Rd1 Nbd7 11. Nd5 Bxd5 12. exd5 Rc8 13. Be3 Nb6 14. Bxb6 Qxb6 15. c3 Nd7 16. Bg4 Rc7 17. Bxd7 Rxd7 18. Qc2 f5 19. Nd2 g6 20. Rab1 Rc8 21. b3 Qd8 22. f3 Rdc7 23. c4 Bg5 24. Qd3 Qf8 25. Nf1 Qe8 26. Re1 b5 27. cxb5 axb5 28. Ne3 Rc3 29. Qd2 Rc2 30. Qb4 Bxe3+ 31. Rxe3 Qd7 32. a3 Qa7 33. Rbe1 f4 34. Qxd6 fxe3 35. Qe6+ Qf7 36. Qxe5 Rc1 37. Qxe3 Rxe1+ 38. Qxe1 Qxd5 0-1

[Event "Montevideo Duchamp Cup 7th"]
[Site "Montevideo"]
[Date "2024.02.05"]
[Round "5"]
[White "Steiner, Matias"]
[Black "Estrada Nieto, Julian"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1801"]
[BlackElo "2199"]
[PlyCount "78"]
[EventDate "2024.02.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. 0-0 d6 7. Bg5 h6 8. Bh4 Ba7 9. Nbd2 g5 10. Bg3 Qe7 11. b4 Bg4 12. h3 Bd7 13. Re1 Nh5 14. Nf1 Nf4 15. Ne3 Bxe3 16. fxe3 Ng6 17. d4 Nd8 18. a4 h5 19. Be2 g4 20. hxg4 Bxg4 21. Nd2 Bxe2 22. Qxe2 Ne6 23. Nf3 Ng5 24. Nxg5 Qxg5 25. Bf2 0-0-0 26. Kf1 Rdg8 27. Qf3 Ne7 28. Qh3+ Qg4 29. Qxg4+ Rxg4 30. Ke2 Rxg2 31. Rg1 Rxg1 32. Rxg1 Ng6 33. Kf3 Kd7 34. Kg3 Ke6 35. Kh3 d5 36. exd5+ Kxd5 37. dxe5 Rg8 38. Rg5 h4 39. Bxh4 Rh8 0-1

[Event "Montevideo Duchamp Cup 7th"]
[Site "Montevideo"]
[Date "2024.02.04"]
[Round "4"]
[White "Carvalho, Guillermo"]
[Black "Steiner, Matias"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2106"]
[BlackElo "1801"]
[PlyCount "70"]
[EventDate "2024.02.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 c5 3. dxc5 Qa5 4. e4 Nxe4 5. Qd4 Nxc3 6. Bd2 e6 7. b4 Nb5 8. Qd3 Qa4 9. Qxb5 Qxc2 10. Bd3 Qb2 11. Rb1 Qxa2 12. Nf3 Nc6 13. 0-0 Nd4 14. Nxd4 Qxd2 15. Rfd1 Qf4 16. Qa4 a6 17. g3 Qb8 18. Be4 Be7 19. Qc2 h6 20. b5 0-0 21. c6 Bd8 22. cxb7 Bxb7 23. bxa6 Bxe4 24. Qxe4 Qa7 25. Qb7 Qxa6 26. Qxd7 Bf6 27. Nc6 Rfc8 28. Ne7+ Bxe7 29. Qxe7 Ra7 30. Rd7 Rxd7 31. Qxd7 Qc6 32. Qe7 Qc7 33. Qb4 Qc6 34. Qe7 Qf3 35. Re1 Qc6 1/2-1/2

[Event "Montevideo Duchamp Cup 7th"]
[Site "Montevideo"]
[Date "2024.02.03"]
[Round "3"]
[White "Steiner, Matias"]
[Black "Gonzalez Valenzuela, Federico"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1801"]
[BlackElo "1624"]
[PlyCount "118"]
[EventDate "2024.02.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 cxd4 6. cxd4 Nge7 7. Be2 Qb6 8. Na3 Nf5 9. Nc2 Be7 10. 0-0 Bd7 11. Re1 Rc8 12. Bf4 Bb4 13. Nxb4 Nxb4 14. Bd3 Nxd4 15. Be3 Nxf3+ 16. Qxf3 d4 17. Bg5 Bb5 18. Bxb5+ Qxb5 19. a4 Qd7 20. Rac1 0-0 21. Qg3 Kh8 22. h4 Rxc1 23. Rxc1 Rc8 24. Rxc8+ Qxc8 25. Qg4 Qc5 26. Qf4 Kg8 27. Qg3 Kf8 28. Bd2 Nc6 29. Qb3 b6 30. f4 Ke8 31. Kf1 a6 32. Qd3 g6 33. Qxa6 Kf8 34. Qd3 Nb4 35. Bxb4 Qxb4 36. Qa3 Qxa3 37. bxa3 f6 38. Ke2 Ke7 39. Kd3 fxe5 40. fxe5 Kd7 41. g4 h6 42. Kxd4 Kc6 43. Kc4 Kb7 44. Kb5 Kc7 45. a5 bxa5 46. a4 Kb7 47. Kxa5 Kc6 48. Kb4 Kd5 49. Kb5 Kxe5 50. a5 Kf4 51. a6 Kxg4 52. a7 Kxh4 53. a8Q g5 54. Qh1+ Kg3 55. Qxh6 g4 56. Qxe6 Kf3 57. Qe1 Kg2 58. Qe2+ Kg3 59. Qf1 Kh2 1-0

[Event "Montevideo Duchamp Cup 7th"]
[Site "Montevideo"]
[Date "2024.02.02"]
[Round "2"]
[White "Milat, Marcel Victor"]
[Black "Steiner, Matias"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "2165"]
[BlackElo "1801"]
[PlyCount "57"]
[EventDate "2024.02.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 Ne8 10. c5 f5 11. Nd2 Nf6 12. f3 f4 13. Nc4 g5 14. Ba3 Ng6 15. b5 dxc5 16. Bxc5 Rf7 17. Qb3 h5 18. Rfd1 Bf8 19. Qb4 g4 20. Bxf8 Rxf8 21. d6 Be6 22. Na5 cxd6 23. Rxd6 Qe7 24. a3 Rac8 25. Nxb7 Bd7 26. Rad1 Rc7 27. Rxf6 Qxb4 28. axb4 Rxb7 29. Rxg6+ 1-0

[Event "Montevideo Duchamp Cup 7th"]
[Site "Montevideo"]
[Date "2024.02.01"]
[Round "1"]
[White "Steiner, Matias"]
[Black "Scarani, Manuel"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1801"]
[BlackElo "1281"]
[PlyCount "63"]
[EventDate "2024.02.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CB07_2024"]
[SourceDate "2024.02.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.14"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 Bg7 5. Be3 0-0 6. Qd2 e5 7. d5 c6 8. 0-0-0 c5 9. g4 a6 10. Bh6 b5 11. h4 Qa5 12. h5 Nxg4 13. fxg4 Bxg4 14. Be2 Bxe2 15. Ngxe2 b4 16. Nb1 Nd7 17. Bxg7 Kxg7 18. hxg6 hxg6 19. Qh6+ Kf6 20. Qh4+ g5 21. Rdf1+ Ke7 22. Qxg5+ f6 23. Qf5 Qb6 24. Rh7+ Rf7 25. Qe6+ Kd8 26. Rxf7 Ra7 27. Qe7+ Kc8 28. Qe8+ Qd8 29. Qxd8+ Kxd8 30. R1xf6 Kc7 31. Rxd7+ Kxd7 32. Rf7+ 1-0

[Event "URU-ch sf2"]
[Site "Colonia del Sacramento"]
[Date "2023.02.20"]
[Round "7"]
[White "Sosa Macho, Juan Manuel"]
[Black "Steiner, Matias"]
[Result "1/2-1/2"]
[ECO "A02"]
[WhiteElo "2125"]
[BlackElo "1655"]
[PlyCount "29"]
[EventDate "2023.02.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 g6 3. f4 Bg7 4. e4 d6 5. Nf3 0-0 6. e5 Nd5 7. g3 Nc6 8. Bc4 Nb6 9. Be2 Bg4 10. d4 Nb4 11. Na3 c6 12. Qd2 N4d5 13. c4 Nc7 14. h3 dxe5 15. fxe5 1/2-1/2

[Event "URU-ch sf2"]
[Site "Colonia del Sacramento"]
[Date "2023.02.20"]
[Round "6"]
[White "Steiner, Matias"]
[Black "De Los Santos, Hector1111"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1655"]
[BlackElo "1652"]
[PlyCount "96"]
[EventDate "2023.02.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. c3 cxd4 4. cxd4 d5 5. e5 Nc6 6. Nf3 Nge7 7. Bd3 Nf5 8. Bxf5 exf5 9. Nc3 Be6 10. 0-0 Be7 11. Be3 0-0 12. Rc1 Rc8 13. a3 Na5 14. Nd2 a6 15. b4 Nc4 16. Nxc4 Rxc4 17. Na4 b5 18. Nc5 Qb6 19. Rxc4 bxc4 20. Qa4 Bxc5 21. dxc5 Qb5 22. Qc2 Bd7 23. Rd1 Bc6 24. Qxf5 Qa4 25. Ra1 Qb3 26. Qb1 Qc3 27. Qd1 Qxe5 28. Bd4 Qe6 29. Qd2 Re8 30. h3 f6 31. Bc3 Qe2 32. Qf4 Qd3 33. Rc1 Bb5 34. Qd6 Kf7 35. c6 Re6 36. Qd7+ Re7 37. Qc8 d4 38. Qd8 Bxc6 39. Qxd4 Qxd4 40. Bxd4 Bb5 41. Kf1 Ke6 42. Rd1 Kf5 43. Rc1 Rd7 44. Be3 Rd3 45. a4 Bxa4 46. Rxc4 Bb5 47. Rc5+ Rd5+ 48. Ke1 Rxc5 1/2-1/2

[Event "URU-ch sf2"]
[Site "Colonia del Sacramento"]
[Date "2023.02.19"]
[Round "5"]
[White "Shih Ferreira, Yin Chieh"]
[Black "Steiner, Matias"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1477"]
[BlackElo "1655"]
[PlyCount "61"]
[EventDate "2023.02.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 g6 3. Nd2 Bg7 4. Bd3 0-0 5. f4 d6 6. Ngf3 Ng4 7. Qe2 Nc6 8. c3 e5 9. 0-0 exd4 10. cxd4 Re8 11. Nb3 a5 12. h3 a4 13. hxg4 axb3 14. f5 Nxd4 15. Nxd4 Bxd4 16. fxg6 fxg6 17. Bc4+ Kh8 18. Qf3 Bg7 19. Bxb3 Rf8 20. Qg3 Be5 21. Rxf8+ Qxf8 22. Qf3 Qe7 23. Bd2 Bxb2 24. Rf1 Be6 25. Qxb7 Ra3 26. Qb8+ Kg7 27. Bxe6 Be5 28. Qg8+ Kh6 29. e4+ g5 30. Rf7 Qxe6 31. Qxg5# 1-0

[Event "URU-ch sf2"]
[Site "Colonia del Sacramento"]
[Date "2023.02.19"]
[Round "4"]
[White "Steiner, Matias"]
[Black "Esteve, Federico"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1655"]
[BlackElo "1962"]
[PlyCount "54"]
[EventDate "2023.02.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Bd3 Nh6 7. 0-0 cxd4 8. Re1 Nf5 9. Bxf5 exf5 10. e6 Bxe6 11. Ng5 0-0-0 12. Nxe6 fxe6 13. Rxe6 Bc5 14. b4 Bd6 15. a4 dxc3 16. b5 Na5 17. Bf4 d4 18. Rxd6 Rxd6 19. Bxd6 Qxd6 20. Nxc3 Rd8 21. Na2 d3 22. Qf3 g6 23. Nc3 Qd4 24. Rc1 Kb8 25. Qg3+ f4 26. Qg5 Rc8 27. g3 d2 0-1

[Event "URU-ch sf2"]
[Site "Colonia del Sacramento"]
[Date "2023.02.18"]
[Round "3"]
[White "Ramos Correa, Gabriel"]
[Black "Steiner, Matias"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1910"]
[BlackElo "1655"]
[PlyCount "33"]
[EventDate "2023.02.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7 4. e4 d6 5. Qd2 0-0 6. 0-0-0 Nbd7 7. Nf3 a6 8. Bh6 b5 9. Bxg7 Kxg7 10. e5 Ne8 11. h4 h5 12. Ng5 e6 13. Qf4 dxe5 14. dxe5 c5 15. Qe4 Rb8 16. Bd3 c4 17. Nxe6+ 1-0

[Event "URU-ch sf2"]
[Site "Colonia del Sacramento"]
[Date "2023.02.18"]
[Round "2"]
[White "Steiner, Matias"]
[Black "Durante, Aurelio"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1655"]
[BlackElo "1983"]
[PlyCount "141"]
[EventDate "2023.02.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. Nbd2 a6 7. Nf1 b5 8. Bb3 Be6 9. Ng3 Qd7 10. Bc2 h6 11. 0-0 d5 12. exd5 Nxd5 13. Nxe5 Nxe5 14. d4 Bd6 15. dxe5 Bxe5 16. f4 Bf6 17. f5 Nxc3 18. fxe6 Qxd1 19. exf7+ Kxf7 20. Bxd1 Nxd1 21. Rxd1 Rad8 22. Rf1 Kg6 23. Rb1 h5 24. Bf4 c5 25. b3 Bd4+ 26. Kh1 Rhe8 27. Rbe1 h4 28. Ne4 Rd5 29. g4 hxg3 30. Bxg3 c4 31. Bf2 Rc8 32. Bxd4 Rxd4 33. bxc4 Rcxc4 34. Nf2 Ra4 35. Re2 Ra3 36. Ne4 a5 37. Rg1+ Kh6 38. Ng3 g6 39. Ne4 Rad3 40. Nc5 Rd1 41. Rxd1 Rxd1+ 42. Kg2 Rd5 43. Ne6 b4 44. Nf4 Rd4 45. Kf3 g5 46. Ne6 Rc4 47. Ke3 a4 48. Nd4 Kh5 49. Kd3 Rc3+ 50. Ke4 g4 51. Kf4 Kh4 52. Re8 Kh3 53. Rh8+ Kg2 54. Kxg4 Rc4 55. Rd8 Kxh2 56. Kf5 b3 57. Nxb3 Kg3 58. Rd4 Rc3 59. Rxa4 Kf3 60. Re4 Rc8 61. Re6 Ra8 62. Nd4+ Kf2 63. Re2+ Kf1 64. Ke4 Ra3 65. Kd5 Rc3 66. Rc2 Ra3 67. Kc5 Ke1 68. Kb4 Ra8 69. a4 Kd1 70. a5 Rd8 71. Rc4 1-0

[Event "URU-ch sf2"]
[Site "Colonia del Sacramento"]
[Date "2023.02.17"]
[Round "1"]
[White "Garcia Martinez, Alvaro"]
[Black "Steiner, Matias"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2036"]
[BlackElo "1655"]
[PlyCount "59"]
[EventDate "2023.02.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "URU"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 0-0 5. Bg5 h6 6. Bh4 d6 7. e3 g5 8. Bg3 Bf5 9. h3 Nbd7 10. Bd3 Bxd3 11. Qxd3 c5 12. 0-0 cxd4 13. Nxd4 Ne5 14. Qe2 Qc8 15. b3 Nc6 16. Rad1 Qd7 17. Qf3 Nxd4 18. exd4 Rac8 19. d5 Qc7 20. Nb5 Qa5 21. Nd4 Qxa2 22. Nf5 Rfe8 23. Rfe1 Bf8 24. Ra1 Qd2 25. Re2 Qb4 26. Rxa7 Nd7 27. Ra1 Nc5 28. Rae1 Qxb3 29. Qxb3 Nxb3 30. Nxd6 1-0

[Event "Montevideo Duchamp Cup 6th"]
[Site "Montevideo"]
[Date "2023.02.11"]
[Round "9"]
[White "Steiner, Matias"]
[Black "Morales Mazzone, Leandro"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1655"]
[BlackElo "1437"]
[PlyCount "70"]
[EventDate "2023.02.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nf6 5. Bf4 Bf5 6. c4 e6 7. a3 Bd6 8. Bxd6 Qxd6 9. Nc3 0-0 10. Be2 dxc4 11. Bxc4 Nbd7 12. 0-0 Nb6 13. Bb3 Nbd5 14. Nxd5 Nxd5 15. h3 b5 16. Re1 a5 17. Nh4 Bg6 18. Nxg6 hxg6 19. Qe2 b4 20. Qe5 Qxe5 21. dxe5 bxa3 22. Rxa3 Nb4 23. Rea1 Nc6 24. Bc2 Rab8 25. Be4 Nxe5 26. Rxa5 Nc4 27. Ra7 Nd2 28. Bd3 Rfd8 29. Be2 Rxb2 30. Ra8 Rf8 31. Rxf8+ Kxf8 32. Ra8+ Ke7 33. Ra7+ Kf6 34. Bd3 Rb3 35. Rd7 Nb1 1/2-1/2

[Event "Montevideo Duchamp Cup 6th"]
[Site "Montevideo"]
[Date "2023.02.10"]
[Round "8"]
[White "Ressia, Lorenzo"]
[Black "Steiner, Matias"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1792"]
[BlackElo "1655"]
[PlyCount "55"]
[EventDate "2023.02.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. e3 Bg7 5. g3 0-0 6. Bg2 d6 7. Ne2 Nc6 8. 0-0 f5 9. c4 Rb8 10. Nbc3 Ne7 11. b4 c5 12. bxc5 dxc5 13. dxc5 Be6 14. Nd5 Nxd5 15. cxd5 Bxa1 16. Qxa1 Bd7 17. Rc1 Rc8 18. Qb2 a6 19. Nd4 b5 20. c6 Qc7 21. Rc2 Rfe8 22. cxd7 Qxd7 23. Rc6 Rxc6 24. dxc6 Qe7 25. Qc3 Qc7 26. Qa3 Qb6 27. Qd6 Rd8 28. Qe7 1-0

[Event "Montevideo Duchamp Cup 6th"]
[Site "Montevideo"]
[Date "2023.02.09"]
[Round "7"]
[White "Steiner, Matias"]
[Black "Izquierdo, Sebastian"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1655"]
[BlackElo "1960"]
[PlyCount "38"]
[EventDate "2023.02.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 e6 7. Nf3 Qa5+ 8. Bd2 Qa6 9. Qb3 Nd7 10. Nc3 Ne7 11. Ne2 Nf5 12. Ng5 Qxe2+ 13. Kxe2 Nxd4+ 14. Kd1 Nxb3 15. axb3 Nxe5 16. Re1 Ng6 17. g3 Bc5 18. f4 0-0 19. c4 Bf2 0-1

[Event "Montevideo Duchamp Cup 6th"]
[Site "Montevideo"]
[Date "2023.02.08"]
[Round "6"]
[White "Bonjorn, Pablo"]
[Black "Steiner, Matias"]
[Result "0-1"]
[ECO "E65"]
[WhiteElo "1911"]
[BlackElo "1655"]
[PlyCount "120"]
[EventDate "2023.02.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. d4 d6 6. 0-0 c5 7. Nc3 Nbd7 8. b3 a6 9. Rb1 Rb8 10. d5 b5 11. Qc2 Nb6 12. Nd2 b4 13. Nce4 Nxe4 14. Nxe4 a5 15. Bb2 Bxb2 16. Qxb2 a4 17. h4 h5 18. f4 Bf5 19. Rbe1 Qd7 20. Nf2 Ra8 21. e4 Bg4 22. e5 Bf5 23. e6 Qa7 24. exf7+ Rxf7 25. Qe2 Qd7 26. Kh2 axb3 27. axb3 Ra3 28. Qf3 Nxc4 29. Re2 Na5 30. Re3 c4 31. bxc4 Rxe3 32. Qxe3 Nxc4 33. Qd4 Qb5 34. Ra1 Qc5 35. Ra8+ Rf8 36. Rxf8+ Kxf8 37. Qh8+ Kf7 38. Nh3 Bxh3 39. Kxh3 Nd2 40. f5 Qc3 41. Qh7+ Qg7 42. fxg6+ Kf6 43. Qxh5 Qxg6 44. Qe2 Qf5+ 45. g4 Qf4 46. Qe6+ Kg7 47. Qxe7+ Kg8 48. Qe8+ Kg7 49. h5 Nf1 50. Qg6+ Kf8 51. Qf5+ Qxf5 52. gxf5 Nd2 53. h6 b3 54. f6 Kg8 55. Kg3 b2 56. Bh3 b1Q 57. Be6+ Kf8 58. Kf4 Qe4+ 59. Kg5 Nf3+ 60. Kh5 Qh4+ 0-1

[Event "Montevideo Duchamp Cup 6th"]
[Site "Montevideo"]
[Date "2023.02.07"]
[Round "5"]
[White "Steiner, Matias"]
[Black "Mafra, Kaiser Luiz"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1655"]
[BlackElo "2055"]
[PlyCount "84"]
[EventDate "2023.02.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 Nc6 5. Nf3 Bg4 6. Be2 e6 7. Bg5 Qc7 8. 0-0 Bxc5 9. Nc3 a6 10. Re1 Nge7 11. h3 Bh5 12. Qd2 h6 13. Bf4 g5 14. Bh2 g4 15. Nh4 Rg8 16. Qxh6 0-0-0 17. Qxh5 g3 18. Bxg3 Rxg3 19. Qxf7 Nxe5 20. Qxe6+ Kb8 21. Nf3 N5g6 22. Bf1 Nf4 23. Qe5 Nxh3+ 24. Kh2 Bd6 25. fxg3 Bxe5 26. Rxe5 Nf2 27. Kg1 Ng4 28. Rh5 Qb6+ 29. Kh1 Qxb2 30. Re1 Qxc3 31. Rxe7 Rh8 32. Rxh8+ Qxh8+ 33. Kg1 Qd8 34. Re6 Qc7 35. Bd3 Qc5+ 36. Kh1 Qf2 37. Rg6 Ne3 38. Nh4 Nxc2 39. Bxc2 Qxc2 40. a3 d4 41. Rd6 Qc5 42. Rd7 Kc8 0-1

[Event "Montevideo Duchamp Cup 6th"]
[Site "Montevideo"]
[Date "2023.02.06"]
[Round "4"]
[White "Curi, Gabriel"]
[Black "Steiner, Matias"]
[Result "1/2-1/2"]
[ECO "A65"]
[WhiteElo "2156"]
[BlackElo "1655"]
[PlyCount "94"]
[EventDate "2023.02.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c5 7. d5 e6 8. Nge2 exd5 9. cxd5 a6 10. a4 Nbd7 11. Ng3 h5 12. Be2 h4 13. Nf1 Rb8 14. Nd2 Nh5 15. Nc4 Ne5 16. Qd2 Nxc4 17. Bxc4 Bd7 18. a5 b5 19. axb6 Qxb6 20. Rxa6 Qxb2 21. Nd1 Qxd2+ 22. Bxd2 Be5 23. 0-0 Ra8 24. f4 Bd4+ 25. Be3 Rxa6 26. Bxa6 Bg7 27. Be2 Nf6 28. Nf2 Re8 29. Bf3 Nxd5 30. exd5 Rxe3 31. Ne4 Bd4 32. Kh1 h3 33. Nxd6 hxg2+ 34. Kxg2 Rb3 35. Re1 Rb2+ 36. Re2 Rb1 37. h3 Rb2 38. Rxb2 Bxb2 39. Bg4 f5 40. Be2 Kf8 41. Kf3 Ba4 42. Nc4 Bd4 43. Nb6 Bb3 44. Bc4 Bxc4 45. Nxc4 Ke7 46. Kg3 Bc3 47. Kf3 Bd4 1/2-1/2

[Event "Montevideo Duchamp Cup 6th"]
[Site "Montevideo"]
[Date "2023.02.04"]
[Round "2"]
[White "Varalla, Gonzalo"]
[Black "Steiner, Matias"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "1235"]
[BlackElo "1655"]
[PlyCount "38"]
[EventDate "2023.02.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. c4 0-0 5. Bg2 d6 6. 0-0 Nc6 7. b3 e5 8. d5 Ne7 9. Bb2 Nh5 10. e4 h6 11. Qc2 f5 12. c5 fxe4 13. Qxe4 Nf6 14. Qc4 Nfxd5 15. Nc3 Be6 16. cxd6 Qxd6 17. Nb5 Qb6 18. Bxe5 a6 19. Bd4 Qxb5 0-1

[Event "Montevideo Duchamp Cup 6th"]
[Site "Montevideo"]
[Date "2023.02.03"]
[Round "1"]
[White "Steiner, Matias"]
[Black "Lopez Azambuja, Nicolas"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1655"]
[BlackElo "2236"]
[PlyCount "56"]
[EventDate "2023.02.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Nbd2 0-0 7. Bb3 a6 8. Nf1 Be6 9. Bc2 d5 10. Qe2 Re8 11. Ng3 b5 12. h3 h6 13. Nh2 Ne7 14. Ng4 Ng6 15. Qf3 Nxg4 16. hxg4 Nh4 17. Qe2 Nxg2+ 18. Kf1 Nf4 19. Qf3 Qg5 20. Nf5 dxe4 21. dxe4 Bc4+ 22. Ke1 g6 23. Bxf4 exf4 24. Rxh6 Bf8 25. Rh2 gxf5 26. Qh1 Bg7 27. gxf5 Qxf5 28. f3 Qc5 0-1

[Event "Montevideo Trebejos 50 Anniv op"]
[Site "Montevideo"]
[Date "2022.09.25"]
[Round "9"]
[White "Reolon, Victor"]
[Black "Steiner, Matias"]
[Result "0-1"]
[ECO "A69"]
[WhiteElo "1610"]
[BlackElo "1437"]
[PlyCount "54"]
[EventDate "2022.09.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[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 Bg7 4. e4 d6 5. f4 c5 6. d5 0-0 7. Nf3 e6 8. Be2 exd5 9. cxd5 Re8 10. Nd2 a6 11. a4 Ng4 12. Nf3 Bxc3+ 13. bxc3 Rxe4 14. 0-0 Nf6 15. Ng5 Re8 16. c4 a5 17. Bb2 Na6 18. Ra3 Nb4 19. Rg3 Bf5 20. h4 Ne4 21. Nxe4 Rxe4 22. h5 Qh4 23. Rff3 Rae8 24. hxg6 fxg6 25. Qb3 Rxe2 26. Qc3 Rxb2 27. Qxb2 Re1+ 0-1

[Event "Montevideo Trebejos 50 Anniv op"]
[Site "Montevideo"]
[Date "2022.09.24"]
[Round "8"]
[White "Davila Texeira, Mario"]
[Black "Steiner, Matias"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1813"]
[BlackElo "1437"]
[PlyCount "41"]
[EventDate "2022.09.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7 4. e4 d6 5. Qd2 Nbd7 6. 0-0-0 0-0 7. f3 c5 8. d5 Re8 9. Bh6 a6 10. h4 b5 11. h5 b4 12. Nb1 Qa5 13. hxg6 fxg6 14. Bxg7 Kxg7 15. Qh6+ Kf7 16. Nh3 Rh8 17. Ng5+ Ke8 18. Qg7 Rf8 19. Rxh7 Nxh7 20. Qxg6+ Kd8 21. Ne6# 1-0

[Event "Montevideo Trebejos 50 Anniv op"]
[Site "Montevideo"]
[Date "2022.09.23"]
[Round "7"]
[White "Steiner, Matias"]
[Black "Quevedo, Andreina"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1437"]
[BlackElo "1838"]
[PlyCount "82"]
[EventDate "2022.09.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 0-0 6. Nbd2 d5 7. Bb3 dxe4 8. dxe4 Qe7 9. Qe2 Bg4 10. h3 Be6 11. Nf1 Bxb3 12. axb3 a5 13. Ng3 Qe6 14. Nf5 Qxb3 15. Nh2 a4 16. Ng4 Ne8 17. Qf3 Qe6 18. Qg3 Ne7 19. h4 Kh8 20. Nge3 Bxe3 21. Nxe3 f5 22. Qh3 Qf7 23. exf5 Nxf5 24. Ng4 Qd5 25. Be3 Nxe3 26. Nxe3 Qb3 27. Rd1 Qxb2 28. Nf5 Nd6 29. g4 Nxf5 30. gxf5 Rad8 31. 0-0 Rxd1 32. Rxd1 Qb5 33. f6 gxf6 34. Rd7 Qb1+ 35. Kh2 Rg8 36. Qf3 Qg1+ 37. Kh3 Qg6 38. h5 Qg5 39. Rxc7 e4 40. Qd1 Qg2+ 41. Kh4 Qh2# 0-1

[Event "Montevideo Trebejos 50 Anniv op"]
[Site "Montevideo"]
[Date "2022.09.22"]
[Round "6"]
[White "Steiner, Matias"]
[Black "Benitez, Andres"]
[Result "0-1"]
[ECO "D40"]
[WhiteElo "1437"]
[BlackElo "1974"]
[PlyCount "156"]
[EventDate "2022.09.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nf6 5. c4 Nc6 6. Nc3 e6 7. Be2 Be7 8. 0-0 0-0 9. Bf4 dxc4 10. Bxc4 a6 11. a3 b5 12. Ba2 b4 13. Na4 Bd6 14. Bxd6 Qxd6 15. axb4 Nxb4 16. Bc4 Nd7 17. Qe2 Bb7 18. Rfd1 Bd5 19. Nc3 Bxc4 20. Qxc4 Rfc8 21. Qe2 Nf6 22. Qe5 Qb6 23. Na4 Qd8 24. Nc5 Qb6 25. Na4 Qb7 26. Qa5 Nfd5 27. Rdc1 Rxc1+ 28. Rxc1 h6 29. h3 Nd3 30. Rd1 Qb3 31. Qd2 Qxa4 32. Qxd3 Rb8 33. Rc1 Nf4 34. Qe4 Ng6 35. h4 Qb5 36. Rc7 Qxb2 37. Qc6 Qb1+ 38. Kh2 Qb5 39. Qe4 Rd8 40. g4 Qb8 41. Qb7 Qxb7 42. Rxb7 Ra8 43. h5 Nf4 44. Ne5 a5 45. Rxf7 a4 46. Rb7 a3 47. Rb1 a2 48. Ra1 Ne2 49. Nd3 Ra3 50. Nb4 Nc3 51. Kg1 Rb3 52. Nxa2 Ra3 53. Nxc3 Rxa1+ 54. Kg2 Ra3 55. Ne4 Kf7 56. f3 Ke7 57. Kg3 Rd3 58. Kf4 Rxd4 59. Ke5 Rd3 60. Kf4 Rd5 61. Kg3 Ra5 62. Kf4 Ra3 63. Kg3 e5 64. Kf2 Ke6 65. Ke2 Kd5 66. Kf2 Kd4 67. Nd6 Ra2+ 68. Kg3 Kd3 69. Nf5 Ra7 70. Nd6 Rc7 71. Nf5 Rd7 72. Kf2 e4 73. fxe4 Kxe4 74. Kg3 Ra7 75. Kh4 Kf4 76. Nd6 Ra1 77. Kh3 Rh1+ 78. Kg2 Rh4 0-1

[Event "Montevideo Trebejos 50 Anniv op"]
[Site "Montevideo"]
[Date "2022.09.21"]
[Round "5"]
[White "Rodriguez Farias, Victor Hugo"]
[Black "Steiner, Matias"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1820"]
[BlackElo "1437"]
[PlyCount "84"]
[EventDate "2022.09.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 g6 3. e4 d6 4. Bg5 Bg7 5. Qd2 0-0 6. 0-0-0 Nbd7 7. h4 h5 8. f3 c5 9. e5 cxd4 10. Qxd4 Nxe5 11. Be2 Bd7 12. Nh3 a6 13. Nf2 Qc7 14. Bxf6 Bxf6 15. Nd5 Qc5 16. Nxf6+ exf6 17. Qxc5 dxc5 18. g4 Bc6 19. gxh5 Nxf3 20. Rh3 Nd4 21. Bc4 Kg7 22. hxg6 fxg6 23. c3 Nf5 24. Be6 Ne7 25. Rg1 Rad8 26. Nd3 Rd6 27. Bb3 b6 28. Nf4 Bd7 29. Rhg3 Bf5 30. Re1 Nc6 31. Nd5 Ne5 32. Ne7 Bg4 33. Bc2 Re8 34. Bxg6 Rxe7 35. Rxg4 Nxg4 36. Rxe7+ Kxg6 37. a4 f5 38. Kc2 c4 39. Rc7 f4 40. Kb1 f3 41. Rxc4 Kh5 42. Rf4 Rf6 0-1

[Event "Montevideo Trebejos 50 Anniv op"]
[Site "Montevideo"]
[Date "2022.09.20"]
[Round "4"]
[White "Dominguez, Facundo"]
[Black "Steiner, Matias"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2167"]
[BlackElo "1437"]
[PlyCount "61"]
[EventDate "2022.09.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Nge2 c5 7. 0-0 Nc6 8. d3 e6 9. h3 Qc7 10. Be3 a6 11. f4 Nd7 12. g4 b6 13. f5 Bb7 14. g5 exf5 15. exf5 gxf5 16. Nd5 Qd8 17. Qd2 Kh8 18. d4 cxd4 19. Nxd4 Bxd4 20. Bxd4+ Nxd4 21. Qxd4+ Ne5 22. Rxf5 Rc8 23. b3 Bxd5 24. Qxd5 f6 25. Raf1 Ng6 26. Rxf6 Rc5 27. Qxd6 Qxd6 28. Rxd6 Rxf1+ 29. Kxf1 Rxg5 30. Rxb6 Nf4 31. Be4 1-0

[Event "Montevideo Trebejos 50 Anniv op"]
[Site "Montevideo"]
[Date "2022.09.19"]
[Round "3"]
[White "Steiner, Matias"]
[Black "Cardarelli, Leon"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1437"]
[BlackElo "1321"]
[PlyCount "73"]
[EventDate "2022.09.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. Qd2 a6 6. f3 Nbd7 7. Nge2 b5 8. Ng3 Bb7 9. Bh6 Bxh6 10. Qxh6 c5 11. dxc5 Nxc5 12. 0-0-0 Qb6 13. Nd5 Bxd5 14. exd5 0-0-0 15. Kb1 Kb8 16. Qe3 Qb7 17. c4 b4 18. Bd3 Nxd3 19. Rxd3 Rc8 20. Rc1 Rc5 21. Ne2 Re8 22. Nd4 e6 23. Qf4 Nxd5 24. cxd5 Rxc1+ 25. Qxc1 exd5 26. a3 Rc8 27. Qe1 Qc7 28. Qxb4+ Ka8 29. Rc3 Qd8 30. Rxc8+ Qxc8 31. Qxd6 Qc4 32. Qc6+ Qxc6 33. Nxc6 f6 34. Nb4 f5 35. Nxd5 Kb7 36. Kc2 Kc6 37. Nb4+ 1-0

[Event "Montevideo Trebejos 50 Anniv op"]
[Site "Montevideo"]
[Date "2022.09.18"]
[Round "2"]
[White "Pichuaga, Juan Pablo"]
[Black "Steiner, Matias"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2009"]
[BlackElo "1437"]
[PlyCount "53"]
[EventDate "2022.09.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. Bg2 g6 5. d3 Bg7 6. f4 Nbd7 7. Nf3 a6 8. 0-0 b5 9. e5 dxe5 10. Nxe5 Nb6 11. Bxa8 Nxa8 12. Qf3 Nc7 13. Re1 Ncd5 14. Nxd5 Nxd5 15. a3 e6 16. c4 Ne7 17. Qf2 bxc4 18. dxc4 Bb7 19. Be3 Qc7 20. h3 h5 21. Rad1 Bxe5 22. fxe5 Nf5 23. Bxc5 h4 24. g4 Ng3 25. Bb6 Qc6 26. Rd8+ Ke7 27. Qf6# 1-0

[Event "Montevideo Trebejos 50 Anniv op"]
[Site "Montevideo"]
[Date "2022.09.17"]
[Round "1"]
[White "Steiner, Matias"]
[Black "Manteiga, Franco"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1437"]
[BlackElo "1909"]
[PlyCount "93"]
[EventDate "2022.09.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 Nf6 5. Na3 e6 6. Bc4 Qd8 7. d4 Nc6 8. Nc2 Be7 9. 0-0 0-0 10. Bf4 Qb6 11. Qd3 Rd8 12. Rfe1 Bd7 13. a3 Rac8 14. Be3 Be8 15. dxc5 Bxc5 16. Bxc5 Qxc5 17. Qe2 Ne7 18. Bb3 Ned5 19. Ncd4 Rd6 20. Rad1 Rcd8 21. Ng5 Bd7 22. Qe5 Qb6 23. Bc2 h6 24. Ngf3 Ne7 25. c4 Qc7 26. c5 Rc6 27. Nxc6 Qxc6 28. b4 Ned5 29. Rd3 Qb5 30. Red1 Be8 31. Nd4 Qd7 32. Bb3 Qe7 33. Rc1 a6 34. c6 bxc6 35. Nxc6 Bxc6 36. Rxc6 Qb7 37. Rc1 Rc8 38. Rdd1 Rc6 39. Rc2 Rxc2 40. Bxc2 Qc6 41. Qb8+ Ne8 42. Be4 Kf8 43. Bxd5 exd5 44. h3 g6 45. Re1 d4 46. Qa7 Qd7 47. Qxd7 1-0

[Event "URU Regional Este"]
[Site "Punta del Este"]
[Date "2022.08.14"]
[Round "5"]
[White "Steiner, Matias"]
[Black "Fernandez De Los Santos, Luis"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1453"]
[PlyCount "55"]
[EventDate "2022.08.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "URU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nf6 5. Nc3 a6 6. a4 Nc6 7. Nf3 g6 8. Be2 d5 9. e5 Ng4 10. 0-0 Bg7 11. Bf4 e6 12. Qd2 Qc7 13. h3 Ngxe5 14. Nxe5 Nxe5 15. Bxe5 Bxe5 16. dxe5 Qxe5 17. Rfe1 Qd6 18. Rac1 0-0 19. Ne4 Qe7 20. Ng5 h6 21. Nf3 Rd8 22. Qxh6 Qf8 23. Qh4 Bd7 24. Ng5 Kg7 25. Rc7 Rac8 26. Rec1 Qd6 27. Qh7+ Kf8 28. Qxf7# 1-0

[Event "URU Regional Este"]
[Site "Punta del Este"]
[Date "2022.08.14"]
[Round "4"]
[White "Steiner, Matias"]
[Black "Nakle, Gonzalo"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1453"]
[BlackElo "1590"]
[PlyCount "64"]
[EventDate "2022.08.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "URU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 g6 5. Na3 Bg7 6. d4 cxd4 7. Nb5 Na6 8. Nbxd4 Nf6 9. Bd3 0-0 10. 0-0 Nc5 11. Bc2 Bg4 12. h3 Bxf3 13. Nxf3 Qxd1 14. Rxd1 Rfd8 15. Be3 b6 16. Re1 e6 17. Rad1 Nd5 18. Bg5 Rd7 19. Rd2 f6 20. Bh4 Bh6 21. Rde2 Kf7 22. Bg3 Rad8 23. c4 Nb4 24. a3 Nxc2 25. Rxc2 Rd1 26. Rce2 Rxe1+ 27. Rxe1 e5 28. Bh4 e4 29. Ne5+ Ke6 30. Ng4 Bd2 31. Re2 Bf4 32. Nxf6 Rd1+ 0-1

[Event "URU Regional Este"]
[Site "Punta del Este"]
[Date "2022.08.13"]
[Round "3"]
[White "Bossi, Hugo"]
[Black "Steiner, Matias"]
[Result "0-1"]
[ECO "B95"]
[WhiteElo "1333"]
[BlackElo "1453"]
[PlyCount "96"]
[EventDate "2022.08.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "URU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. Bg5 Nxe4 9. Bxe7 Nxc3 10. Bxd8 Nxd1 11. Ba5 e5 12. Ne2 Nc6 13. Bd2 Nxb2 14. Rb1 Nd3+ 15. cxd3 Bf5 16. Bc2 b5 17. Ng3 Bg6 18. 0-0 Nd4 19. Ne4 Bxe4 20. dxe4 Nxc2 21. Rfc1 Nd4 22. Kf1 Kd7 23. Be3 Rhc8 24. Bxd4 exd4 25. Ke2 Rc3 26. Kd2 Rac8 27. Rxc3 dxc3+ 28. Kc2 Rc4 29. a3 Rxe4 30. Kxc3 Re2 31. Rf1 Kc6 32. g3 a5 33. h4 Kc5 34. Kb3 a4+ 35. Kc3 Ra2 36. f3 Rxa3+ 37. Kb2 Rb3+ 38. Ka2 Rc3 39. g4 b4 40. f4 Rc2+ 41. Kb1 b3 42. Rc1 Rxc1+ 43. Kxc1 a3 44. Kb1 d5 45. Kc1 d4 46. Kb1 d3 47. Kc1 a2 48. Kb2 d2 0-1

[Event "URU Regional Este"]
[Site "Punta del Este"]
[Date "2022.08.13"]
[Round "2"]
[White "Steiner, Matias"]
[Black "Miller, Ariel"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1453"]
[BlackElo "1654"]
[PlyCount "56"]
[EventDate "2022.08.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "URU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 0-0 6. Nbd2 Re8 7. Nf1 d5 8. exd5 Nxd5 9. Qb3 e4 10. Bxd5 exf3+ 11. Ne3 Be6 12. Bxe6 Rxe6 13. d4 fxg2 14. Rg1 Qh4 15. Rxg2 Bb6 16. Bd2 Rae8 17. 0-0-0 Rg6 18. Rdg1 Ree6 19. Nf5 Qe4 20. Ne3 Bxd4 21. Qxb7 Bxe3 22. Rxg6 Bxd2+ 23. Kxd2 hxg6 24. Qc8+ Re8 25. Qxc7 Qd5+ 26. Kc2 Re2+ 27. Kb1 Qe4+ 28. Kc1 Qc2# 0-1

[Event "URU Regional Este"]
[Site "Punta del Este"]
[Date "2022.08.12"]
[Round "1"]
[White "Amaral, Francisco"]
[Black "Steiner, Matias"]
[Result "1-0"]
[ECO "D74"]
[WhiteElo "1709"]
[BlackElo "1453"]
[PlyCount "51"]
[EventDate "2022.08.12"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "URU"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Nf6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d5 6. cxd5 Nxd5 7. 0-0 c6 8. d4 Be6 9. e4 Nb6 10. Be3 Nc4 11. b3 Nxe3 12. fxe3 Qd7 13. Rc1 Bh3 14. Qc2 Bxg2 15. Kxg2 Na6 16. Rcd1 Rac8 17. Ne2 Rfd8 18. Nf4 Qc7 19. Ng5 Qd7 20. Nxf7 Kxf7 21. Qc4+ e6 22. Nxe6+ Ke8 23. Nc7+ Rxc7 24. Qg8+ Ke7 25. Qxg7+ Kd6 26. Qe5# 1-0

[Event "Pan American-ch U18"]
[Site "Montevideo"]
[Date "2022.06.27"]
[Round "2"]
[White "Borges Cano, Angel Gabriel"]
[Black "Steiner, Matias"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1349"]
[BlackElo "1593"]
[PlyCount "86"]
[EventDate "2022.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[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 Bg7 4. Bg5 0-0 5. e3 d6 6. Nf3 h6 7. Bxf6 Bxf6 8. Bd3 c5 9. Ne4 Bg7 10. dxc5 dxc5 11. Nxc5 Qa5+ 12. Qd2 Qxc5 13. 0-0 Nc6 14. a3 Rd8 15. Qe2 a5 16. Rab1 Bf5 17. Bxf5 Qxf5 18. e4 Qe6 19. Rfc1 Ne5 20. Nd2 Rd7 21. Rc2 Rad8 22. Nb3 Qb6 23. Nd2 Nd3 24. b3 Qxf2+ 25. Qxf2 Nxf2 26. Kxf2 Rxd2+ 27. Rxd2 Rxd2+ 28. Kf1 Kf8 29. h3 Ke8 30. b4 a4 31. b5 Bd4 32. g3 Ra2 33. Rd1 Ra1 34. Rxa1 Bxa1 35. Ke2 b6 36. Kd2 Bb2 37. Kc2 Bxa3 38. g4 Kd7 39. Kc3 Kd6 40. h4 h5 41. g5 Ke5 42. Kd3 Bc5 43. Kc3 Kxe4 0-1

[Event "Pan American-ch U18"]
[Site "Montevideo"]
[Date "2022.06.27"]
[Round "3"]
[White "Steiner, Matias"]
[Black "Montiel, Angel Nathanael"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1593"]
[BlackElo "1901"]
[PlyCount "48"]
[EventDate "2022.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bd3 Bg7 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 Nc6 8. Be3 0-0 9. 0-0-0 Nd7 10. h4 Nxd4 11. Bxd4 Bxd4 12. h5 g5 13. e5 Nxe5 14. Bxh7+ Kh8 15. Qe4 Bxc3 16. bxc3 e6 17. Bg6 Qf6 18. Qxb7 Qf4+ 19. Rd2 Nc4 20. Rhd1 Rab8 21. Qxa7 Nxd2 22. Rxd2 fxg6 23. hxg6 d5 24. g3 Ra8 0-1

[Event "Pan American-ch U18"]
[Site "Montevideo"]
[Date "2022.06.26"]
[Round "1"]
[White "Steiner, Matias"]
[Black "Mendes Domingues, Ribeiro Matheus"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1593"]
[BlackElo "2153"]
[PlyCount "94"]
[EventDate "2022.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "URU"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nge7 6. Bd3 Nf5 7. Bxf5 exf5 8. 0-0 h6 9. dxc5 Bxc5 10. Nbd2 0-0 11. Nb3 Bb6 12. Nbd4 Bxd4 13. cxd4 Qb6 14. b3 a5 15. Ba3 Nb4 16. Qd2 Be6 17. Bxb4 axb4 18. Ne1 Rfc8 19. Nf3 Rc3 20. Rfc1 Rac8 21. Rxc3 bxc3 22. Qd3 f4 23. Rc1 Qb4 24. Rc2 g6 25. Nh4 Rc4 26. h3 Rxd4 27. Qxc3 Rd1+ 28. Kh2 Qxc3 29. Rxc3 d4 30. Rc7 Rd2 31. Nf3 Rxf2 32. Nxd4 Bd5 33. Rc2 Rxc2 34. Nxc2 f6 35. exf6 Kf7 36. Nd4 Kxf6 37. Nf3 Bxf3 38. gxf3 Ke5 39. h4 h5 40. Kg2 Kd4 41. Kf2 Kc3 42. Ke2 Kb2 43. Kd3 Kxa2 44. Kc4 b5+ 45. Kb4 Kb2 46. Kxb5 Kxb3 47. Kc5 Kc3 0-1

[Event "Colonia del Sacramento op 3rd"]
[Site "Colonia del Sacramento"]
[Date "2022.05.22"]
[Round "?"]
[White "Larrea, Osvaldo"]
[Black "Steiner, Matias"]
[Result "1/2-1/2"]
[ECO "A02"]
[WhiteElo "1623"]
[BlackElo "1609"]
[PlyCount "19"]
[EventDate "2022.05.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "URU"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 0-0 5. e3 d6 6. Be2 c5 7. 0-0 a6 8. Qe1 b5 9. a4 Bb7 10. axb5 1/2-1/2

[Event "Colonia del Sacramento op 3rd"]
[Site "Colonia del Sacramento"]
[Date "2022.05.22"]
[Round "?"]
[White "Steiner, Matias"]
[Black "Zalisnak, Jacobo"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1609"]
[BlackElo "2110"]
[PlyCount "58"]
[EventDate "2022.05.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "URU"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 a6 2. d4 b5 3. Bd3 Bb7 4. Nf3 e6 5. 0-0 c5 6. c3 d5 7. e5 Nc6 8. Nbd2 c4 9. Bc2 b4 10. h3 Be7 11. Nh2 h5 12. f4 g6 13. g4 hxg4 14. hxg4 Qb6 15. Qf3 Nh6 16. Qf2 a5 17. f5 gxf5 18. gxf5 0-0-0 19. f6 Rdg8+ 20. Kh1 Ng4 21. Qg2 Nxh2 22. Qxh2 Rxh2+ 23. Kxh2 Bf8 24. Nf3 Bh6 25. Bxh6 Rh8 26. Kg2 Rxh6 27. Rh1 Rxh1 28. Rxh1 bxc3 29. Rh8+ Nd8 0-1

[Event "Colonia del Sacramento op 3rd"]
[Site "Colonia del Sacramento"]
[Date "2022.05.21"]
[Round "?"]
[White "Roman, Enrique"]
[Black "Steiner, Matias"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1237"]
[BlackElo "1609"]
[PlyCount "94"]
[EventDate "2022.05.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "URU"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e3 0-0 5. Bd3 d6 6. a3 Nbd7 7. h3 c5 8. dxc5 Nxc5 9. Bc2 b6 10. b4 Nce4 11. Nxe4 Nxe4 12. Bxe4 Bxa1 13. Bxa8 Ba6 14. b5 Qxa8 15. Qf3 Bb7 16. Qg3 Bxg2 17. Rh2 Bb7 18. Ne2 Qc8 19. Qh4 Bf6 20. Qg4 Qxg4 21. hxg4 Rc8 22. f3 Bxf3 23. Nd4 Bxd4 24. exd4 Rxc4 25. Bb2 Bxg4 26. Kd2 Bd7 27. Kd3 Bxb5 28. Ke4 Bd7 29. Kd3 Rc8 30. d5 Bf5+ 31. Ke3 Rc2 32. Rxc2 Bxc2 33. Bd4 f5 34. Kf4 Be4 35. Bf2 Bxd5 36. Bh4 e5+ 37. Kg5 Kg7 38. Bg3 h6+ 39. Kh4 Bg2 40. Bf2 g5+ 41. Kg3 Bb7 42. Be1 Kg6 43. Bb4 d5 44. Bd6 e4 45. Be5 f4+ 46. Bxf4 gxf4+ 47. Kxf4 d4 0-1

[Event "Colonia del Sacramento op 3rd"]
[Site "Colonia del Sacramento"]
[Date "2022.05.21"]
[Round "?"]
[White "Steiner, Matias"]
[Black "Lopez, Aldi"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "1609"]
[BlackElo "2031"]
[PlyCount "90"]
[EventDate "2022.05.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "URU"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 0-0 9. b3 Nc6 10. Be2 e5 11. dxe5 dxe5 12. Qxd8 Rxd8 13. c5 Nd5 14. Nxd5 Rxd5 15. Bf3 Rd8 16. Ne2 Nb4 17. 0-0 f5 18. Bg5 Re8 19. Nc3 h6 20. Be3 e4 21. Be2 Bxc3 22. Rxc3 Nxa2 23. Rc4 Be6 24. Ra1 g5 25. Rxa2 f4 26. Rxe4 fxe3 27. Rxe3 Bd5 28. Rd3 Bc6 29. h3 Re5 30. b4 Rf8 31. Bg4 Re1+ 32. Kh2 a6 33. f3 Rfe8 34. Bd7 Bxd7 35. Rxd7 R8e7 36. Rxe7 Rxe7 37. Rd2 Kg7 38. Kg3 Rf7 39. Rd5 Kf6 40. Rd6+ Kg7 41. h4 gxh4+ 42. Kxh4 Rf4+ 43. Kh5 Rxb4 44. Rd7+ Kf6 45. Kxh6 Rh4# 0-1

[Event "Colonia del Sacramento op 3rd"]
[Site "Colonia del Sacramento"]
[Date "2022.05.20"]
[Round "?"]
[White "Medina, Maximo"]
[Black "Steiner, Matias"]
[Result "0-1"]
[ECO "A45"]
[BlackElo "1609"]
[PlyCount "64"]
[EventDate "2022.05.20"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "URU"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. g4 Nxg4 4. f3 Nf6 5. Nh3 Bg7 6. Rg1 d6 7. e4 Nbd7 8. Bb5 a6 9. Ba4 b5 10. Bb3 e5 11. dxe5 Nxe5 12. Bg5 Bxh3 13. Rg3 Bd7 14. f4 Nxe4 15. Re3 Nxg5 16. fxe5 Bxe5 17. c3 0-0 18. h4 Ne6 19. h5 Qh4+ 20. Kf1 Nf4 21. hxg6 Bh3+ 22. Rxh3 Qxh3+ 23. Kf2 hxg6 24. Qf1 Nd3+ 25. Ke2 Qg3 26. Nd2 Nf4+ 27. Kd1 Qd3 28. Qe1 Rfe8 29. Rc1 Bxc3 30. Qf2 Re2 31. Qxf4 Rxd2+ 32. Ke1 Rxb2+ 0-1

[Event "URU-ch U20"]
[Site "Montevideo"]
[Date "2022.04.03"]
[Round "6"]
[White "Moreno, Diego"]
[Black "Steiner, Matias"]
[Result "1-0"]
[ECO "B88"]
[WhiteElo "1671"]
[BlackElo "1527"]
[PlyCount "55"]
[EventDate "2022.04.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "URU"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. Be3 Nc6 9. 0-0 0-0 10. f4 Na5 11. Qf3 b5 12. Rae1 Nxb3 13. Nc6 Qc7 14. Nxe7+ Qxe7 15. e5 Nd5 16. Nxd5 exd5 17. Qxd5 Be6 18. exd6 Qd8 19. Qe5 Na5 20. Bd4 Qf6 21. Qxf6 gxf6 22. Bxf6 Rac8 23. Re5 h6 24. Rh5 Kh7 25. f5 Bd5 26. Rf4 Rxc2 27. Rxh6+ Kxh6 28. Rh4# 1-0

[Event "URU-ch U20"]
[Site "Montevideo"]
[Date "2022.04.03"]
[Round "5"]
[White "Steiner, Matias"]
[Black "Vassallo, Mariano"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1527"]
[BlackElo "1793"]
[PlyCount "51"]
[EventDate "2022.04.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "URU"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Nbd2 0-0 7. Bb3 h6 8. Nf1 Bb6 9. Ng3 Re8 10. h3 d5 11. Qe2 d4 12. Nh2 Qd6 13. Qf3 Ne7 14. Ng4 Bxg4 15. hxg4 dxc3 16. bxc3 Qc5 17. 0-0 Qxc3 18. Bxh6 Rad8 19. Nh5 Rxd3 20. Nxf6+ Kh8 21. Bxg7+ Kxg7 22. Nxe8+ Kh6 23. Qf6+ Ng6 24. g5+ Kh5 25. Bxf7 Bxf2+ 26. Qxf2 1-0

[Event "URU-ch U20"]
[Site "Montevideo"]
[Date "2022.04.02"]
[Round "3"]
[White "Ressia, Lorenzo"]
[Black "Steiner, Matias"]
[Result "1/2-1/2"]
[ECO "E71"]
[WhiteElo "1608"]
[BlackElo "1527"]
[PlyCount "88"]
[EventDate "2022.04.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "URU"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be3 Nc6 7. Nge2 e5 8. d5 Ne7 9. g4 Ne8 10. Ng3 f5 11. gxf5 gxf5 12. exf5 Nxf5 13. Nxf5 Bxf5 14. Bd3 Bxd3 15. Qxd3 Nf6 16. Ne4 Nxe4 17. Qxe4 Qf6 18. Rg1 Kh8 19. 0-0-0 Qf5 20. Qh4 Qf6 21. Qg4 Rg8 22. Qh5 Raf8 23. Rg2 a5 24. Bd2 e4 25. Bc3 Qf4+ 26. Bd2 e3 27. Bxe3 Qxc4+ 28. Kb1 Qe4+ 29. Kc1 Qxg2 30. Qe2 Re8 31. Qd3 Qe4 32. Qb5 Qb4 33. Qe2 Re4 34. Kb1 Rge8 35. Rg1 Rd4 36. Bxd4 Rxe2 37. Bxg7+ Kg8 38. Bc3+ Kf7 39. Bxb4 axb4 40. Rg4 b3 41. Rf4+ Kg6 42. axb3 Rd2 43. Rc4 Rxd5 44. Rxc7 b5 1/2-1/2

[Event "URU-ch U20"]
[Site "Montevideo"]
[Date "2022.04.02"]
[Round "4"]
[White "Steiner, Matias"]
[Black "Aguerre, Valentin"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1527"]
[BlackElo "1705"]
[PlyCount "45"]
[EventDate "2022.04.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "URU"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Nbd2 a6 7. 0-0 Be6 8. Bb3 Qd7 9. Bc2 h6 10. Re1 Ba7 11. h3 0-0 12. Nf1 Rfe8 13. d4 exd4 14. cxd4 d5 15. e5 Ne4 16. Bxe4 dxe4 17. Rxe4 Bd5 18. Rg4 Be6 19. Rg3 Kh8 20. Bxh6 gxh6 21. Qd2 f6 22. Qxh6+ Qh7 23. Qxf6+ 1-0

[Event "URU-ch U20"]
[Site "Montevideo"]
[Date "2022.04.02"]
[Round "2"]
[White "Steiner, Matias"]
[Black "Elena, Eduardo"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1527"]
[BlackElo "1882"]
[PlyCount "86"]
[EventDate "2022.04.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "URU"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 e6 5. Na3 Nf6 6. Bc4 Qd8 7. 0-0 Be7 8. Nc2 0-0 9. d4 Qc7 10. dxc5 Bxc5 11. Bb3 b6 12. Be3 Bb7 13. Bxc5 bxc5 14. Ne3 Nc6 15. Qe2 Rad8 16. Rad1 Ne5 17. Nxe5 Qxe5 18. Rfe1 Qg5 19. Rxd8 Rxd8 20. Rd1 Rxd1+ 21. Qxd1 Nd5 22. Qg4 Qxg4 23. Nxg4 Nf4 24. f3 Nd3 25. Kf1 Ba6 26. Ke2 Nxb2+ 27. Kd2 Nc4+ 28. Bxc4 Bxc4 29. a4 f6 30. Ne3 Bd5 31. c4 Bc6 32. a5 Kf7 33. Ng4 Ke7 34. Nf2 g5 35. Ne4 Bxe4 36. fxe4 a6 37. g4 h5 38. h3 hxg4 39. hxg4 f5 40. e5 fxg4 41. Ke3 Kf7 42. Kf2 Kg6 43. Kg3 Kf5 0-1

[Event "URU-ch U20"]
[Site "Montevideo"]
[Date "2022.04.01"]
[Round "1"]
[White "Tabarez, Vladimir"]
[Black "Steiner, Matias"]
[Result "0-1"]
[ECO "A48"]
[BlackElo "1527"]
[PlyCount "102"]
[EventDate "2022.04.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "URU"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 0-0 5. Nbd2 d6 6. 0-0 Nc6 7. c4 e5 8. e4 exd4 9. b3 Ne5 10. Bb2 Nxd3 11. Bxd4 Nc5 12. e5 Nfe4 13. Nxe4 Nxe4 14. exd6 Qxd6 15. Bxg7 Qxd1 16. Raxd1 Kxg7 17. Rd4 Bf5 18. Re1 Rfe8 19. Nh4 Rad8 20. Rxd8 Rxd8 21. Nxf5+ gxf5 22. g4 Ng5 23. gxf5 Nf3+ 24. Kf1 Nxe1 25. Kxe1 Kf6 26. Ke2 Kxf5 27. a4 c5 28. Ke3 Kg4 29. f4 Kh3 30. Ke4 Kxh2 31. Ke5 h5 32. Kf6 Rd1 33. f5 h4 34. Kxf7 h3 35. Ke7 Kg2 36. f6 h2 37. f7 Rf1 38. f8Q Rxf8 39. Kxf8 h1Q 40. Ke7 Qd1 41. Ke6 Qd4 42. Kf5 Kf3 43. Ke6 Ke4 44. a5 Qe5+ 45. Kd7 Qf6 46. Kc7 b6 47. a6 Ke5 48. Kb7 Kd6 49. Kxa7 Kc7 50. Ka8 Qd8+ 51. Ka7 Qb8# 0-1

