[Event "Michigan op-ch"]
[Site "Lansing"]
[Date "2009.09.06"]
[Round "4"]
[White "Hassen, Matt"]
[Black "Matias, IC."]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "1972"]
[BlackElo "1810"]
[PlyCount "93"]
[EventDate "2009.09.04"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 c6 5. Bg2 Bd6 6. 0-0 Nbd7 7. Qc2 0-0 8. Rd1 Re8 9. Nc3 a6 10. e4 dxe4 11. Nxe4 Nxe4 12. Qxe4 Nf6 13. Qe2 Qe7 14. Ne5 c5 15. dxc5 Bxc5 16. Bf4 Ra7 17. Rac1 Nd7 18. Nd3 e5 19. Nxc5 Nxc5 20. Qxe5 Be6 21. Qd6 Nd7 22. Qxe7 Rxe7 23. Bb8 Ra8 24. Bd6 Ree8 25. Bxb7 Ra7 26. Bc6 h6 27. Bc5 Rc7 28. Bxd7 Bxd7 29. Bb6 Rb7 30. c5 Bc6 31. Rd6 Bf3 32. b3 Kh7 33. Rd3 Bc6 34. Re3 Rc8 35. Rd1 f5 36. Rd6 Rf7 37. f4 Be4 38. Rc3 Bc6 39. Kf2 Re7 40. Re3 Be4 41. c6 g5 42. Rd7 Rce8 43. Rc3 gxf4 44. gxf4 Rg7 45. Rg3 Reg8 46. Rgxg7+ Rxg7 47. Bd4 1-0

[Event "Michigan Class A"]
[Site "Auburn Hills"]
[Date "2005.01.16"]
[Round "5.4"]
[White "Matias, IC."]
[Black "Rhee, William W"]
[Result "0-1"]
[ECO "D48"]
[WhiteElo "1817"]
[BlackElo "1928"]
[PlyCount "70"]
[EventDate "2005.01.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. 0-0 a6 10. e4 c5 11. d5 c4 12. Bc2 Nc5 13. Re1 Be7 14. Bg5 exd5 15. exd5 0-0 16. Qe2 Re8 17. Bxf6 Bxf6 18. Qxe8+ Qxe8 19. Rxe8+ Rxe8 20. Rd1 Rd8 21. d6 Bxf3 22. gxf3 Be5 23. Ne4 Ne6 24. b3 Nd4 25. f4 Ne2+ 26. Kf1 Nxf4 27. d7 Ne6 28. b4 Nd4 29. f4 Nxc2 30. fxe5 Ne3+ 31. Ke2 Nxd1 32. Kxd1 Rxd7+ 33. Ke2 Re7 34. Ke3 Rxe5 35. Kd4 Rxe4+ 0-1

[Event "Michigan Class A"]
[Site "Auburn Hills"]
[Date "2005.01.16"]
[Round "4.4"]
[White "Vandivier, Don"]
[Black "Matias, IC."]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1912"]
[BlackElo "1817"]
[PlyCount "53"]
[EventDate "2005.01.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 Nf6 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb4+ 9. Bd2 Nxd2 10. Nbxd2 0-0 11. 0-0 Bg4 12. Bxc6 bxc6 13. Qc2 Bd7 14. a3 Bxd2 15. Nxd2 Qg5 16. f4 Qf5 17. Qc3 Rab8 18. b4 Rb6 19. Rf3 Rfb8 20. Raf1 a5 21. bxa5 Rb2 22. a6 Qc2 23. Qxc2 Rxc2 24. a7 Ra8 25. Rb3 g6 26. Rb8+ Kg7 27. Rxa8 1-0

[Event "Michigan Class A"]
[Site "Auburn Hills"]
[Date "2005.01.15"]
[Round "2.4"]
[White "Gadson, Joseph"]
[Black "Matias, IC."]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1970"]
[BlackElo "1817"]
[PlyCount "17"]
[EventDate "2005.01.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Bc4 Nf6 5. Nc3 Nc6 6. d3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qd1 1-0

[Event "Michigan Class A"]
[Site "Auburn Hills"]
[Date "2005.01.15"]
[Round "1.5"]
[White "Matias, IC."]
[Black "Skidmore, Jennifer M"]
[Result "1/2-1/2"]
[ECO "D66"]
[WhiteElo "1817"]
[BlackElo "1882"]
[PlyCount "53"]
[EventDate "2005.01.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. Bg5 Be7 6. e3 0-0 7. Rc1 Nbd7 8. Bd3 Re8 9. 0-0 dxc4 10. Bxc4 Nd5 11. Bxe7 Qxe7 12. Qc2 Qf6 13. Ne4 Qe7 14. a3 h6 15. Ba2 e5 16. Bb1 f5 17. Ng3 g6 18. e4 fxe4 19. Qxe4 Nf4 20. dxe5 Rf8 21. Rcd1 Nc5 22. Qc2 Be6 23. Rd6 Nd7 24. Rfd1 Bd5 25. Rd4 Nxe5 26. Nxe5 Qxd6 27. Nc4 1/2-1/2

[Event "Michigan Class A"]
[Site "Auburn Hills"]
[Date "2005.01.15"]
[Round "3.4"]
[White "Matias, IC."]
[Black "West, Tony D"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "1817"]
[BlackElo "1845"]
[PlyCount "120"]
[EventDate "2005.01.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d6 6. c4 Nbd7 7. Nc3 c5 8. d5 Nb6 9. Nd2 Bg4 10. h3 Bd7 11. e4 e5 12. a4 Ne8 13. a5 Nc8 14. a6 b6 15. f4 f5 16. Nf3 Qe7 17. fxe5 dxe5 18. Bg5 Qd6 19. Qd2 Nc7 20. Bh6 Rf7 21. Bxg7 Kxg7 22. Rae1 Re7 23. exf5 Bxf5 24. Nh4 e4 25. Nxf5+ gxf5 26. Qg5+ Qg6 27. Rxf5 Qxg5 28. Rxg5+ Kh6 29. Rg4 Nd6 30. b3 Rf8 31. Rh4+ Kg7 32. Bxe4 h6 33. Rf1 Rfe8 34. Rg4+ Kh8 35. Bg6 Rd8 36. Ne4 Nxa6 37. Nxd6 Rxd6 38. Bd3 Rd8 39. Rf6 Rg7 40. Rxh6+ Kg8 41. Rxg7+ Kxg7 42. Rh7+ Kf6 43. Rh5 Nb4 44. Bb1 Re8 45. Kf2 a5 46. Rf5+ Kg7 47. g4 Na6 48. d6 Rd8 49. Rd5 Nb4 50. Rg5+ Kf7 51. Rg6 Na2 52. Rh6 Nc3 53. Bf5 b5 54. cxb5 Nxb5 55. d7 Nd4 56. Bd3 Nxb3 57. Bc4+ Kg7 58. g5 Nd4 59. Bd3 a4 60. Rh7+ Kg8 1-0

[Event "Michigan Amateur op"]
[Site "Kalamazoo"]
[Date "2004.10.24"]
[Round "5"]
[White "Crysler, Jerry"]
[Black "Matias, IC."]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "1409"]
[BlackElo "1784"]
[PlyCount "56"]
[EventDate "2004.10.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. cxd5 cxd5 4. g3 e6 5. Bg2 Nf6 6. 0-0 Nc6 7. d3 Bd6 8. b3 0-0 9. Bb2 Bd7 10. Nbd2 Qe7 11. e4 dxe4 12. Nxe4 Nxe4 13. dxe4 e5 14. Qd2 Rfd8 15. Rfd1 Bg4 16. Qc1 Rac8 17. Qb1 Qf6 18. Rd2 Bxf3 19. Bh3 Rc7 20. Bc3 Nd4 21. Bxd4 exd4 22. Qd3 Bb4 23. Rc2 Rxc2 24. Qxc2 Bc3 25. Rf1 d3 26. Qb1 d2 27. Bg2 d1Q 28. Bxf3 Qxb1 0-1

[Event "Michigan Amateur op"]
[Site "Kalamazoo"]
[Date "2004.10.24"]
[Round "4"]
[White "Matias, IC."]
[Black "Ream, Scott"]
[Result "1-0"]
[ECO "E24"]
[WhiteElo "1784"]
[BlackElo "1412"]
[PlyCount "33"]
[EventDate "2004.10.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 b6 6. f3 d6 7. e4 Nbd7 8. Bd3 c5 9. Ne2 0-0 10. 0-0 Qc7 11. Ng3 Ba6 12. Qe2 h5 13. f4 h4 14. Nh5 Nxh5 15. Qxh5 cxd4 16. e5 dxe5 17. Qh7# 1-0

[Event "Michigan Amateur op"]
[Site "Kalamazoo"]
[Date "2004.10.23"]
[Round "2"]
[White "Matias, IC."]
[Black "Crane, John"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1784"]
[BlackElo "1266"]
[PlyCount "49"]
[EventDate "2004.10.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 b6 3. cxd5 Qxd5 4. Nc3 Qb7 5. Nf3 e6 6. e4 Nf6 7. Bd3 Nbd7 8. 0-0 Be7 9. Qe2 c6 10. Bg5 h6 11. Bh4 g5 12. Bg3 Nh5 13. d5 cxd5 14. exd5 exd5 15. Rae1 Nf8 16. Nxd5 Ne6 17. Nc7+ Kf8 18. Nxa8 Nhf4 19. Bxf4 Nxf4 20. Qe4 Nd5 21. Bc4 Be6 22. Rd1 Qxa8 23. Bxd5 Bxd5 24. Rxd5 Bd6 25. Qd4 1-0

[Event "Michigan Amateur op"]
[Site "Kalamazoo"]
[Date "2004.10.23"]
[Round "1"]
[White "Paget, Paul"]
[Black "Matias, IC."]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1104"]
[BlackElo "1784"]
[PlyCount "34"]
[EventDate "2004.10.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bf4 d6 5. Qd2 Nbd7 6. Bh6 0-0 7. Bxg7 Kxg7 8. f4 c6 9. e4 e5 10. f5 Re8 11. d5 cxd5 12. cxd5 Nc5 13. Qe3 Qa5 14. 0-0-0 Nfxe4 15. Nxe4 Nxe4 16. Qxe4 Bxf5 17. b4 Qa3+ 0-1

[Event "Michigan Amateur op"]
[Site "Kalamazoo"]
[Date "2004.10.23"]
[Round "3"]
[White "Williams, Ken"]
[Black "Matias, IC."]
[Result "1-0"]
[ECO "E84"]
[WhiteElo "1924"]
[BlackElo "1784"]
[PlyCount "80"]
[EventDate "2004.10.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Rb8 9. Nc1 e5 10. Nb3 Bd7 11. d5 Ne7 12. c5 h5 13. Be2 Nh7 14. 0-0 f5 15. Rfc1 f4 16. Bf2 g5 17. a4 Ng6 18. a5 g4 19. cxd6 cxd6 20. Na4 g3 21. Bb6 Qh4 22. h3 Bxh3 23. gxh3 Qxh3 24. Bf1 Qh4 25. Qg2 Ng5 26. Nd2 Rbc8 27. Bc7 Nf7 28. Nb6 Qf6 29. Nxc8 Rxc8 30. Qh3 Rf8 31. Qxh5 Ng5 32. Bxd6 Qxd6 33. Qxg5 Rf6 34. Bh3 Nf8 35. Rc8 Rg6 36. Nc4 Rxg5 37. Nxd6 Rh5 38. Be6+ Kh7 39. Bf5+ Kg8 40. Rac1 Rh2 1-0

[Event "Lansing op"]
[Site "Lansing"]
[Date "2004.09.05"]
[Round "4"]
[White "Matias, IC."]
[Black "Hazzard, William"]
[Result "1-0"]
[ECO "D64"]
[WhiteElo "1784"]
[BlackElo "1574"]
[PlyCount "143"]
[EventDate "2004.09.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. Nc3 Nbd7 5. Bg5 Be7 6. e3 0-0 7. Rc1 c6 8. Qc2 Re8 9. a3 h6 10. Bh4 Bf8 11. Bd3 Be7 12. 0-0 Nf8 13. Ne5 N6d7 14. Bxe7 Qxe7 15. f4 Nxe5 16. fxe5 Qg5 17. Qf2 Re7 18. h4 Qh5 19. Be2 Qg6 20. Qf4 Bd7 21. Rf3 Qf5 22. Qxf5 exf5 23. cxd5 Ng6 24. g3 Rc8 25. dxc6 Rxc6 26. Bb5 Rxc3 27. Rxc3 Bxb5 28. Rxf5 Bc6 29. Rf1 Nxe5 30. dxe5 Rxe5 31. Rf2 g5 32. b4 a6 33. Rf6 Kg7 34. hxg5 hxg5 35. Rfxc6 bxc6 36. Kf2 Re6 37. Kf3 f5 38. Rc5 Kf6 39. Ra5 g4+ 40. Kf2 Rd6 41. Ke2 Ke6 42. Rxa6 Kd5 43. Ra5+ Ke4 44. Rc5 Rh6 45. Rc4+ Kd5 46. Kd3 Rh3 47. Rc5+ Kd6 48. Rxf5 Rxg3 49. Kd4 Ke6 50. Rg5 Rg1 51. Rg6+ Kd7 52. Kc5 g3 53. Kd4 g2 54. Ke4 Kc7 55. Kf3 Ra1 56. Rxg2 Rxa3 57. Rb2 Kb6 58. Kf4 Kb5 59. e4 Ra1 60. e5 Kc4 61. Kf5 Rf1+ 62. Ke6 Kc3 63. Re2 Kxb4 64. Kd6 c5 65. e6 c4 66. e7 c3 67. e8Q Rd1+ 68. Kc7 Rd2 69. Rxd2 cxd2 70. Qe2 Kc3 71. Qd1 Kd3 72. Kc6 1-0

[Event "Lansing op"]
[Site "Lansing"]
[Date "2004.09.04"]
[Round "3"]
[White "Beckwith, Stan"]
[Black "Matias, IC."]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "1714"]
[BlackElo "1784"]
[PlyCount "48"]
[EventDate "2004.09.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Bg5 h6 10. Bh4 g5 11. Bg3 Nh5 12. Nd2 Nxg3 13. hxg3 f5 14. exf5 Bxf5 15. Nce4 Bg6 16. Bg4 Nf5 17. Rc1 Nd4 18. Rc3 c5 19. Re3 Qe7 20. Nb3 Nf5 21. Bxf5 Rxf5 22. Nc1 Raf8 23. Nd3 h5 24. g4 Rf4 1/2-1/2

[Event "Lansing op"]
[Site "Lansing"]
[Date "2004.09.04"]
[Round "2"]
[White "Matias, IC."]
[Black "Li, Derek"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "1784"]
[BlackElo "1693"]
[PlyCount "60"]
[EventDate "2004.09.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Bg5 c5 7. d5 a6 8. Bd3 h6 9. Be3 e5 10. Qd2 Ng4 11. 0-0 Nxe3 12. fxe3 Nd7 13. Qf2 f5 14. Qg3 Qf6 15. Nh4 f4 16. exf4 exf4 17. Qxg6 Qxh4 18. e5 Nxe5 19. Qh7+ Kf7 20. g3 Qg5 21. Rxf4+ Ke8 22. Rxf8+ Bxf8 23. Rf1 Be7 24. Ne4 Qh5 25. Nxd6+ Kd8 26. Nxc8 Nf3+ 27. Kf2 Ne1 28. Qxe7+ Kxc8 29. Kxe1 Kb8 30. d6 Qg4 1-0

[Event "Lansing op"]
[Site "Lansing"]
[Date "2004.09.03"]
[Round "1"]
[White "Carr, Jay A"]
[Black "Matias, IC."]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1600"]
[BlackElo "1784"]
[PlyCount "76"]
[EventDate "2004.09.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. cxd5 exd5 5. d4 c6 6. Bg2 Bd6 7. Nf3 Nbd7 8. 0-0 0-0 9. a3 Re8 10. b4 b5 11. Re1 Nb6 12. Nd2 Bf5 13. Nb3 Nc4 14. Nc5 Bxc5 15. bxc5 Qd7 16. f3 Ne3 17. Bxe3 Rxe3 18. Qd2 Rae8 19. Nd1 R3e7 20. Nf2 Re3 21. Nd1 R3e6 22. Nf2 Qe7 23. Bf1 h6 24. Ra2 Re3 25. Nd1 Rxf3 26. exf3 Qxe1 27. Qxe1 Rxe1 28. Nf2 h5 29. Kg2 Re3 30. Nd1 Rb3 31. Kf2 Bd3 32. Be2 g5 33. Nb2 Bb1 34. Bd1 Bxa2 35. Bxb3 Bxb3 36. Nd3 Nd7 37. Ke3 Kg7 38. f4 f5 0-1

[Event "Michigan Senior"]
[Site "Flint"]
[Date "2004.06.13"]
[Round "4"]
[White "Brown, Ralph"]
[Black "Matias, IC."]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1654"]
[BlackElo "1796"]
[PlyCount "58"]
[EventDate "2004.06.12"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 Be7 4. Bd3 d5 5. e5 Nfd7 6. Be3 c5 7. c4 cxd4 8. Bxd4 Nc6 9. Qg4 Ndxe5 10. Bxe5 Nxe5 11. Qd4 Bf6 12. Ke2 Nxd3 13. Qxd3 Bxb2 14. Nf3 Bxa1 15. c5 0-0 16. h4 e5 17. Qd2 Bg4 18. Kf1 Bxf3 19. gxf3 Qf6 20. Rh3 Rac8 21. Qxd5 Rfd8 22. Qxb7 Rxc5 23. Kg2 Rc1 24. Na3 h6 25. Qxa7 Rdd1 26. Qa8+ Kh7 27. Qe4+ g6 28. f4 Rg1+ 29. Kf3 Rc3+ 0-1

[Event "Michigan Senior"]
[Site "Flint"]
[Date "2004.06.13"]
[Round "3"]
[White "Matias, IC."]
[Black "Roth, Bruce"]
[Result "1/2-1/2"]
[ECO "E73"]
[WhiteElo "1796"]
[BlackElo "1646"]
[PlyCount "98"]
[EventDate "2004.06.12"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 9. Nd5 Nbd7 10. Rd1 Rf8 11. Nxc7 Rb8 12. f3 h6 13. Be3 b6 14. Bd3 Bb7 15. Ne2 a6 16. 0-0 Rfc8 17. Nd5 Bf8 18. Nxf6+ Nxf6 19. Nc3 Bc6 20. Nd5 Nd7 21. a3 b5 22. cxb5 Bxb5 23. Bxb5 Rxb5 24. b4 a5 25. a4 Rbb8 26. bxa5 Rc4 27. Rc1 Rxa4 28. Rc7 Rd8 29. Rxd7 Rxd7 30. Nf6+ Kg7 31. Nxd7 Rxa5 32. Nxf8 Kxf8 33. Bxh6+ Ke7 34. Rd1 Ke6 35. Kf2 Rb5 36. g4 Ra5 37. h4 Ra8 38. Be3 Rh8 39. Kg3 f5 40. exf5+ gxf5 41. gxf5+ Kxf5 42. Bg5 Rc8 43. Rd6 Rf8 44. Be3 Rh8 45. Rh6 Rg8+ 46. Kh3 Re8 47. h5 e4 48. fxe4+ Rxe4 49. Bc5 Kg5 1/2-1/2

[Event "Michigan Senior"]
[Site "Flint"]
[Date "2004.06.12"]
[Round "2"]
[White "Jarosz, Stanley J Jr"]
[Black "Matias, IC."]
[Result "1-0"]
[ECO "D47"]
[WhiteElo "1999"]
[BlackElo "1796"]
[PlyCount "59"]
[EventDate "2004.06.12"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. 0-0 Be7 10. e4 b4 11. Na4 c5 12. Nxc5 Nxc5 13. dxc5 Bxc5 14. Bb5+ Kf8 15. e5 Nd5 16. Bd2 Qb6 17. Be2 h6 18. Rc1 Ke7 19. Ne1 a5 20. Bd3 Rhd8 21. Qg4 Rac8 22. Qxg7 Rg8 23. Qxh6 Nf4 24. Bxf4 Qc6 25. Qh3 Rh8 26. Bg5+ Kd7 27. Qf3 Qxf3 28. Nxf3 Rhg8 29. Bb5+ Bc6 30. Rfd1+ 1-0

[Event "Michigan Senior"]
[Site "Flint"]
[Date "2004.06.12"]
[Round "1"]
[White "Matias, IC."]
[Black "Carr, Jay A"]
[Result "1-0"]
[ECO "D19"]
[WhiteElo "1796"]
[BlackElo "1600"]
[PlyCount "55"]
[EventDate "2004.06.12"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. 0-0 0-0 9. Qe2 Nbd7 10. e4 Bg6 11. Bd3 h6 12. e5 Bxd3 13. Qxd3 Nd5 14. Ne4 Qc7 15. Nh4 c5 16. Qg3 Kh7 17. Be3 cxd4 18. Bxd4 Bd2 19. Nxd2 g5 20. Nhf3 Rac8 21. Ne4 f6 22. Nxf6+ N7xf6 23. exf6 Nf4 24. Kh1 Nd3 25. Nxg5+ hxg5 26. Qxd3+ Kg8 27. Qg6+ Kh8 28. f7+ 1-0

[Event "Warren Bottom-Half U1900 op"]
[Site "Warren"]
[Date "2003.06.22"]
[Round "5"]
[White "Ho, Randy"]
[Black "Matias, IC."]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1892"]
[BlackElo "1745"]
[PlyCount "53"]
[EventDate "2003.06.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. Be3 Qb6 7. Nc3 Nc6 8. 0-0 cxd4 9. Nxd4 Nxd4 10. Bxd4 Qc7 11. Bb5+ Kd8 12. Bd3 Bxd3 13. cxd3 Ne7 14. Nb5 Qd7 15. Qa4 Nc6 16. Bb6+ axb6 17. Qxa8+ Qc8 18. Qa4 Nxe5 19. Rac1 Nc6 20. f4 Kd7 21. f5 Bc5+ 22. d4 Be7 23. fxe6+ fxe6 24. Rf7 Rg8 25. Na7 Qa8 26. Qa3 Qxa7 27. Rxe7+ 1-0

[Event "Warren Bottom-Half U1900 op"]
[Site "Warren"]
[Date "2003.06.22"]
[Round "4"]
[White "Matias, IC."]
[Black "Balan, Alex"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "1745"]
[BlackElo "1852"]
[PlyCount "80"]
[EventDate "2003.06.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 e6 3. g3 Nf6 4. Bg2 d5 5. 0-0 c6 6. c4 Bd6 7. Qc2 0-0 8. Bf4 Be7 9. Nbd2 Ne4 10. Ne1 Bf6 11. Rd1 Nd6 12. e3 g5 13. Be5 Bxe5 14. dxe5 Nf7 15. f4 g4 16. Nb3 Na6 17. cxd5 cxd5 18. Nd3 b6 19. Nd4 Bd7 20. b4 Rc8 21. Qb3 Rc4 22. Nxf5 Qc7 23. Rc1 b5 24. Nd4 Nh6 25. a3 Kg7 26. Qb2 Qb6 27. Qe2 Kh8 28. Nb2 Rxc1 29. Rxc1 Rc8 30. Rxc8+ Bxc8 31. Qxb5 Qxb5 32. Nxb5 Nf5 33. Kf2 Bd7 34. Nxa7 Kg7 35. Bf1 Nb8 36. b5 Kf8 37. Nd3 Ke7 38. Nc5 Kd8 39. Nxd7 Nxd7 40. Nc6+ Kc7 1-0

[Event "Warren Bottom-Half U1900 op"]
[Site "Warren"]
[Date "2003.06.21"]
[Round "3"]
[White "Matias, IC."]
[Black "Dupuis, Erik"]
[Result "0-1"]
[ECO "A89"]
[WhiteElo "1745"]
[BlackElo "1822"]
[PlyCount "77"]
[EventDate "2003.06.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nf6 5. c4 0-0 6. Nc3 d6 7. 0-0 Nc6 8. a3 e5 9. d5 Ne7 10. Qc2 h6 11. e4 g5 12. h4 g4 13. Ne1 f4 14. gxf4 exf4 15. Bxf4 Ng6 16. Bg3 Nh5 17. e5 Nxe5 18. Bxe5 dxe5 19. d6 cxd6 20. Bd5+ Kh8 21. Ng2 Bf5 22. Be4 Bxe4 23. Nxe4 Nf4 24. Rad1 Nxg2 25. Kxg2 Qxh4 26. Rh1 Qe7 27. Rxd6 Rf7 28. Qd2 Raf8 29. Rg6 Rf4 30. Qe2 Qd7 31. Rh4 g3 32. fxg3 Rxh4 33. gxh4 Rf4 34. Rd6 Rg4+ 35. Kf1 Qf5+ 36. Nf2 Rxh4 37. c5 Qf4 38. Rd8+ Kh7 39. Qc4 0-1

[Event "Warren Bottom-Half U1900 op"]
[Site "Warren"]
[Date "2003.06.21"]
[Round "1"]
[White "Vandivier, Don"]
[Black "Matias, IC."]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1883"]
[BlackElo "1745"]
[PlyCount "87"]
[EventDate "2003.06.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 Bg7 5. Be3 0-0 6. Qd2 Na6 7. Bh6 c5 8. d5 Nc7 9. h4 e6 10. 0-0-0 exd5 11. exd5 b5 12. Bxb5 Nxb5 13. Nxb5 Rb8 14. Bxg7 Kxg7 15. Nc3 Qb6 16. b3 c4 17. Qd4 Ba6 18. Qxb6 Rxb6 19. Nh3 Rc8 20. Kb2 cxb3 21. axb3 Rb7 22. Ne4 Nxe4 23. fxe4 Re7 24. Rd4 Rce8 25. Nf2 h5 26. c4 f5 27. Re1 Bc8 28. Kc3 a6 29. b4 Rc7 30. Nd3 Rce7 31. c5 dxc5 32. bxc5 Rxe4 33. Rexe4 fxe4 34. Nf4 e3 35. d6 e2 36. Nxe2 Rxe2 37. c6 Re6 38. Kb4 Re8 39. d7 Rd8 40. Kc5 Kf7 41. Kd6 a5 42. Rf4+ Kg8 43. Kc7 Bxd7 44. cxd7 1-0

[Event "Michigan Senior"]
[Site "Warren"]
[Date "2003.06.08"]
[Round "3"]
[White "Champney, Norm"]
[Black "Matias, IC."]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1752"]
[BlackElo "1745"]
[PlyCount "75"]
[EventDate "2003.06.07"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 c5 5. c3 Nc6 6. Nbd2 Be7 7. Bd3 Nh5 8. g3 Nxf4 9. gxf4 cxd4 10. cxd4 Bd7 11. a3 Rc8 12. Rc1 g6 13. h4 h5 14. Ng5 Na5 15. Rxc8 Qxc8 16. Qb1 Rg8 17. Ke2 Qd8 18. b4 Nc6 19. Ndf3 f5 20. Rc1 Bd6 21. Qc2 Ke7 22. Ne5 Nxe5 23. fxe5 Bb8 24. Qc5+ Ke8 25. f4 Rg7 26. Kf3 Qe7 27. Qa5 Qd8 28. Qc5 Qe7 29. Bb5 Qxc5 30. Bxd7+ Kxd7 31. Rxc5 a6 32. a4 Re7 33. b5 axb5 34. Rxb5 Kc6 35. Rc5+ Kd7 36. a5 Bc7 37. Rb5 Kc6 38. Rc5+ 1/2-1/2

[Event "Michigan Senior"]
[Site "Warren"]
[Date "2003.06.08"]
[Round "4"]
[White "Matias, IC."]
[Black "Williams, Ron"]
[Result "1-0"]
[ECO "E30"]
[WhiteElo "1745"]
[BlackElo "1907"]
[PlyCount "89"]
[EventDate "2003.06.07"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 Nc6 3. Nf3 e6 4. Nc3 Bb4 5. Bg5 h6 6. Bh4 Be7 7. e4 d5 8. cxd5 exd5 9. e5 Ne4 10. Bxe7 Nxe7 11. Bd3 Nxc3 12. bxc3 0-0 13. 0-0 Bg4 14. h3 Bh5 15. Qe2 b6 16. Qe3 Bg6 17. Nh4 Bxd3 18. Qxd3 Qd7 19. f4 f5 20. Rf3 Qe6 21. Rg3 Rac8 22. Qe2 Kh7 23. a4 a5 24. Rd1 Rg8 25. Rf1 g6 26. Qf3 Rb8 27. Rd1 Qc6 28. Ra1 b5 29. axb5 Rxb5 30. Qd3 Rgb8 31. Nxg6 Nxg6 32. Qxf5 Qe8 33. h4 R5b6 34. h5 a4 35. Qd3 Kg7 36. f5 a3 37. f6+ Kh8 38. Rxg6 Qf8 39. Rg7 Qxg7 40. fxg7+ Kxg7 41. Rxa3 Rg8 42. Ra1 Kh8 43. Rf1 Rb2 44. Rf2 Rb6 45. Rf6 1-0

[Event "Michigan Senior"]
[Site "Warren"]
[Date "2003.06.07"]
[Round "2"]
[White "Matias, IC."]
[Black "Santiago, Reynaldo"]
[Result "1-0"]
[ECO "D98"]
[WhiteElo "1745"]
[BlackElo "2000"]
[PlyCount "39"]
[EventDate "2003.06.07"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 g6 4. Nc3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 Nc6 8. Be2 Bg4 9. Be3 Nd7 10. Rd1 Nb6 11. Qd3 Nb4 12. Qd2 Re8 13. a3 Na6 14. 0-0 c6 15. h3 Be6 16. d5 cxd5 17. Nxd5 Nxd5 18. exd5 Bd7 19. Rfe1 Nc7 20. Bd4 1-0

[Event "Michigan Senior"]
[Site "Warren"]
[Date "2003.06.07"]
[Round "1"]
[White "Roth, Bruce"]
[Black "Matias, IC."]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "1566"]
[BlackElo "1745"]
[PlyCount "68"]
[EventDate "2003.06.07"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. Be2 0-0 8. 0-0 dxc4 9. Bxc4 a6 10. a3 b5 11. Bb3 Bb7 12. Be3 Nd5 13. Nxd5 Bxd5 14. Bxd5 Qxd5 15. Rc1 Nd7 16. Qe2 Nb6 17. Rc2 Rac8 18. Rfc1 Rxc2 19. Rxc2 Qb7 20. Qd1 Rc8 21. Qc1 Rxc2 22. Qxc2 f6 23. Nd2 Nd5 24. Nb3 Qc7 25. Nc5 Nxe3 26. fxe3 Bxc5 27. dxc5 g6 28. b4 Kf7 29. Qd3 h5 30. g3 f5 31. Qd4 Qc6 32. Qh8 Qe4 33. Qh7+ Kf6 34. Qh8+ Kf7 1/2-1/2

[Event "Michigan Senior"]
[Site "Warren"]
[Date "2002.06.08"]
[Round "1"]
[White "Sattler, Peter"]
[Black "Matias, IC."]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "1600"]
[BlackElo "1666"]
[PlyCount "98"]
[EventDate "2002.06.08"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Bb7 10. d4 Re8 11. Bg5 h6 12. Bxf6 Bxf6 13. d5 Na5 14. Bc2 g6 15. Nbd2 Bc8 16. Nh2 Bd7 17. b4 Nb7 18. Ng4 Bg7 19. a4 Qe7 20. Ne3 Rf8 21. Qe2 c5 22. dxc6 Bxc6 23. Bb3 bxa4 24. Bxa4 Qd7 25. Bxc6 Qxc6 26. Nd5 Rfc8 27. c4 a5 28. b5 Qd7 29. Nb6 Qe6 30. Nxa8 Rxa8 31. Qd3 f5 32. Qd5 Qxd5 33. exd5 e4 34. Ra2 Nc5 35. Rb1 Bd4 36. Nb3 Nxb3 37. Rxb3 Bb6 38. Kf1 Kf7 39. Ke2 Rc8 40. Rc3 Kf6 41. Rac2 f4 42. f3 e3 43. Kd3 Kf5 44. Ra3 g5 45. Rca2 Rg8 46. Ra4 h5 47. Re2 g4 48. fxg4+ hxg4 49. hxg4+ Kxg4 1/2-1/2

[Event "Warren Reuben Fine op"]
[Site "Warren"]
[Date "2002.01.19"]
[Round "3"]
[White "Johnson, Johnny R"]
[Black "Matias, IC."]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "1873"]
[BlackElo "2166"]
[PlyCount "87"]
[EventDate "2002.01.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e5 2. c4 Nc6 3. Nc3 Nf6 4. Nf3 d6 5. h3 Be7 6. Bd3 0-0 7. Bb1 Be6 8. b3 h6 9. 0-0 Nd4 10. Nd5 c6 11. Nxd4 exd4 12. Nxe7+ Qxe7 13. a4 a5 14. f4 c5 15. Qf3 Bd7 16. Re1 Bc6 17. d3 Nd7 18. Bd2 b6 19. Bc2 Rae8 20. g4 Qh4 21. Re2 f5 22. Be1 Qe7 23. gxf5 Rxf5 24. Qg4 Rf7 25. Bg3 Nf6 26. Qf3 Nh7 27. Rf1 Ng5 28. Qg2 Ne6 29. Qh2 Ref8 30. f5 Qg5 31. h4 Qh5 32. Ref2 Rf6 33. fxe6 Qg4 34. e7 R8f7 35. Rxf6 Rxf6 36. Rxf6 gxf6 37. Qg2 Kh7 38. Bxd6 Qxh4 39. Bg3 Qg5 40. Bd1 Qe3+ 41. Qf2 Qxd3 42. Bg4 Bxe4 43. e8Q Qb1+ 44. Qe1 1-0

[Event "Warren Motor City op"]
[Site "Warren"]
[Date "2001.11.25"]
[Round "6"]
[White "Matias, IC."]
[Black "Dillabough, Trace"]
[Result "1-0"]
[ECO "E76"]
[WhiteElo "1650"]
[BlackElo "1357"]
[PlyCount "54"]
[EventDate "2001.11.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 b5 7. cxb5 a6 8. Nf3 Qa5 9. Qc2 e6 10. Bd2 Qb6 11. Bc4 exd5 12. Nxd5 Nxd5 13. Bxd5 Ra7 14. 0-0 c4+ 15. Kh1 axb5 16. Bb4 Nd7 17. e5 Nc5 18. exd6 0-0 19. Qf2 Nd7 20. Qxb6 Nxb6 21. d7 Bxd7 22. Bxf8 Kxf8 23. Rad1 Bxb2 24. Ne5 Nxd5 25. Rxd5 Be8 26. Re1 Rxa2 27. Ng4 Ra1 1-0

[Event "Warren Motor City op"]
[Site "Warren"]
[Date "2001.11.25"]
[Round "7"]
[White "Matias, IC."]
[Black "Rogers, Bradley K"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "1650"]
[BlackElo "2032"]
[PlyCount "104"]
[EventDate "2001.11.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[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. Be2 axb5 9. Bxb5 d6 10. 0-0 Ba6 11. Bxa6 Nxa6 12. e4 Qb6 13. Qe2 Nd7 14. Be3 Rfb8 15. Rab1 Ne5 16. Nd2 h5 17. h3 Nb4 18. f4 Nd7 19. Nc4 Qc7 20. a3 Na6 21. Rbd1 Nb6 22. Rd2 Nxc4 23. Qxc4 Qd7 24. Rfd1 Nc7 25. e5 Rb7 26. Ne4 Rab8 27. Ng5 Rxb2 28. Rxb2 Rxb2 29. Nxf7 Qb5 30. Qxb5 Nxb5 31. exd6 exd6 32. Nxd6 Nxd6 33. Bxc5 Bf8 34. Rd3 Rb5 35. Bb4 Kf7 36. g4 Be7 37. Kg2 Rb6 38. Kf3 h4 39. Re3 Nc8 40. Be1 Rd6 41. g5 Rxd5 42. Bxh4 Nd6 43. Be1 Nc4 44. Rc3 Nxa3 45. Kg4 Nb5 46. Rb3 Rf5 47. h4 Nd4 48. Rd3 Ne6 49. Rf3 Bc5 50. h5 Nd4 51. hxg6+ Kxg6 52. Rd3 Ne2 1/2-1/2

[Event "Gaylord N MI op"]
[Site "Gaylord"]
[Date "1993.??.??"]
[Round "?"]
[White "Brown, Russell N"]
[Black "Matias, IC."]
[Result "0-1"]
[ECO "E90"]
[PlyCount "44"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Bd3 Nbd7 7. 0-0 e5 8. d5 Nc5 9. Bc2 a5 10. Be3 Nfd7 11. a3 f5 12. exf5 gxf5 13. Bg5 Nf6 14. Qb1 e4 15. Nd4 Qe8 16. Ndb5 Qf7 17. f3 Ne8 18. fxe4 c6 19. exf5 cxb5 20. Nxb5 Be5 21. g4 Bd7 22. Bh6 Bxb5 0-1

[Event "Gaylord N MI op"]
[Site "Gaylord"]
[Date "1993.??.??"]
[Round "?"]
[White "Cutler, C."]
[Black "Matias, IC."]
[Result "0-1"]
[ECO "C02"]
[PlyCount "46"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. d4 Nc6 5. c3 Nge7 6. Bg5 Qc7 7. Bd3 Bd7 8. Na3 a6 9. 0-0 Ng6 10. c4 cxd4 11. cxd5 exd5 12. Rc1 Bxa3 13. bxa3 0-0 14. Bf6 gxf6 15. exf6 Qf4 16. Qb3 Qxf6 17. Qxd5 Be6 18. Qh5 Rad8 19. Ng5 Qg7 20. f4 Bd5 21. f5 Nge5 22. Rf4 f6 23. Ne6 Qxg2# 0-1

[Event "Gaylord N MI op"]
[Site "Gaylord"]
[Date "1993.??.??"]
[Round "?"]
[White "Matias, IC."]
[Black "Snuske, R."]
[Result "0-1"]
[ECO "A28"]
[PlyCount "52"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nc6 2. c4 e5 3. Nc3 Nf6 4. d3 Bc5 5. Bg5 d6 6. e3 h6 7. Bh4 Be6 8. a3 a5 9. Be2 g5 10. Nxg5 hxg5 11. Bxg5 Rg8 12. Ne4 Rxg5 13. Nxg5 Qe7 14. Nxe6 Qxe6 15. Qc2 0-0-0 16. Bf3 d5 17. cxd5 Rxd5 18. Bxd5 Qxd5 19. Rg1 Bb4+ 20. Ke2 Bc5 21. Rac1 Bb6 22. Qc4 Qd7 23. g4 e4 24. g5 Ne5 25. gxf6 exd3+ 26. Qxd3 Qxd3+ 0-1

[Event "Gaylord N MI op"]
[Site "Gaylord"]
[Date "1993.??.??"]
[Round "?"]
[White "Matias, IC."]
[Black "Stockton, T."]
[Result "0-1"]
[ECO "D07"]
[PlyCount "58"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. cxd5 Bxf3 5. exf3 Qxd5 6. Be3 e5 7. Nc3 Bb4 8. Bd3 exd4 9. Be4 Bxc3+ 10. bxc3 Qc4 11. Bxc6+ Qxc6 12. Bxd4 Qe6+ 13. Qe2 Qxe2+ 14. Kxe2 Ne7 15. Rhe1 Nf5 16. Kf1+ Kd7 17. Rad1 Kc6 18. Re4 Rhe8 19. Rxe8 Rxe8 20. Bxa7 Ra8 21. Bd4 Rxa2 22. g3 Rc2 23. Kg2 Nxd4 24. cxd4 Kd5 25. Re1 b5 26. f4 b4 27. Rb1 Kc4 28. Kf3 Kc3 29. Ke3 b3 0-1

[Event "Gaylord N MI op"]
[Site "Gaylord"]
[Date "1993.??.??"]
[Round "?"]
[White "Morian, William"]
[Black "Matias, IC."]
[Result "1-0"]
[ECO "C01"]
[PlyCount "61"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Nf3 Be7 6. 0-0 0-0 7. Bf4 Bg4 8. Nbd2 Nc6 9. c3 Nh5 10. Be3 Bd6 11. Qc2 f5 12. Bg5 Qd7 13. h3 Bxf3 14. Nxf3 Nf4 15. Bxf4 Bxf4 16. Rfe1 Rf6 17. Re2 Raf8 18. Rae1 Rh6 19. Bb5 Qd6 20. Bxc6 bxc6 21. Ne5 Bxe5 22. dxe5 Qe6 23. Qa4 f4 24. f3 Qg6 25. Kh1 Qg3 26. e6 Rxh3+ 27. gxh3 Qxh3+ 28. Rh2 Qxf3+ 29. Rg2 Rf6 30. e7 Rh6+ 31. Kg1 1-0

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Matias, IC."]
[Black "Bohley, Donald"]
[Result "1/2-1/2"]
[ECO "D25"]
[PlyCount "46"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 g6 5. Bxc4 Bg7 6. Nc3 0-0 7. 0-0 Nc6 8. a3 Bg4 9. h3 Bxf3 10. Qxf3 e5 11. d5 Na5 12. Ba2 c6 13. e4 cxd5 14. Nxd5 Nxd5 15. Bxd5 Rc8 16. b4 Nc6 17. Qd3 Qe7 18. Be3 Nd4 19. Rac1 b6 20. f4 Rxc1 21. Rxc1 Ne6 22. Bxe6 fxe6 23. fxe5 Bxe5 1/2-1/2

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Matias, IC."]
[Black "Kell, M."]
[Result "1-0"]
[ECO "E29"]
[PlyCount "63"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 d6 8. Ne2 e5 9. e4 h6 10. 0-0 0-0 11. h3 Nd7 12. d5 Ne7 13. Ng3 Kh7 14. f4 Nf6 15. fxe5 dxe5 16. Be3 b6 17. Qd2 Ne8 18. Rf3 Nd6 19. Raf1 Ng8 20. Nh5 f6 21. g4 Ba6 22. g5 hxg5 23. Bxg5 Qe7 24. Qf2 Nf7 25. Nxf6+ gxf6 26. Bxf6 Nxf6 27. Rxf6 Rg8+ 28. Kh2 Nh6 29. Qh4 Qg7 30. Rf7 Rab8 31. Rxg7+ Rxg7 32. Rf6 1-0

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Matias, IC."]
[Black "Srikantia, Sri"]
[Result "1-0"]
[ECO "E24"]
[PlyCount "85"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Nf3 0-0 7. Qc2 Nc6 8. e3 Qe7 9. Be2 e5 10. d5 Nb8 11. e4 h6 12. 0-0 d6 13. a4 Bg4 14. h3 Bh5 15. Rb1 Nxe4 16. Qxe4 Bg6 17. Qg4 h5 18. Qg5 Qxg5 19. Bxg5 Bxb1 20. Rxb1 f6 21. Bd2 Nd7 22. Rxb7 Nb6 23. a5 Rfb8 24. Rxb8+ Rxb8 25. axb6 Rxb6 26. Bd3 g5 27. Kf1 Ra6 28. Ke2 Ra1 29. Ne1 a5 30. Nc2 Rb1 31. Na3 Ra1 32. Nc2 Rb1 33. Na3 Ra1 34. Nb1 Ra2 35. Kd1 Rb2 36. Kc1 Ra2 37. Bc2 a4 38. Kd1 h4 39. g3 a3 40. Nxa3 Rxc2 41. Nxc2 g4 42. Ne3 f5 43. hxg4 1-0

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Short, Tyler"]
[Black "Matias, IC."]
[Result "0-1"]
[ECO "B10"]
[PlyCount "98"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. e5 Bg4 4. d4 e6 5. h3 Bh5 6. Be2 c5 7. Be3 Nc6 8. c3 cxd4 9. Bxd4 Qc7 10. 0-0 Nge7 11. g4 Bg6 12. Nbd2 f6 13. exf6 gxf6 14. Bxf6 Rg8 15. Bd4 h5 16. Ng5 Bf5 17. f4 Rxg5 18. fxg5 Qg3+ 19. Kh1 Qxh3+ 20. Kg1 Nxd4 21. gxf5 Qe3+ 22. Rf2 Qxg5+ 23. Kf1 Ndxf5 24. Bxh5+ Kd7 25. Qf3 Qxh5 26. Qxh5 Ng3+ 27. Kg2 Nxh5 28. Rh1 Ng7 29. Nf3 Kd6 30. Ng5 Ngf5 31. Rh3 Re8 32. Nf7+ Kc7 33. Kf3 Bg7 34. Kg4 Rf8 35. Ng5 Kd7 36. Nh7 Ne3+ 37. Rxe3 Rxf2 38. Rf3 Rxf3 39. Kxf3 e5 40. Ng5 Kc6 41. Ke3 Nf5+ 42. Ke2 d4 43. Kd3 dxc3 44. bxc3 Nd6 45. Ne6 e4+ 46. Kc2 Bf6 47. Nd4+ Bxd4 48. cxd4 Kd5 49. Kc3 Nb5+ 0-1

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Small, L."]
[Black "Matias, IC."]
[Result "1-0"]
[ECO "B16"]
[PlyCount "83"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Be3 Bf5 7. h4 h5 8. Be2 Bg6 9. Bd3 e6 10. Ne2 Bd6 11. f4 f5 12. Ng3 Nd7 13. Qe2 Qc7 14. Qf2 Nf6 15. Be2 Nd5 16. 0-0 0-0-0 17. Nh1 f6 18. c4 Nxe3 19. Qxe3 e5 20. c5 Bf8 21. fxe5 fxe5 22. dxe5 Rd5 23. b4 Rxe5 24. Qg5 Rg8 25. Bc4 Bf7 26. Qc1 Bxc4 27. Qxc4 Rg4 28. Qc2 Bh6 29. Rxf5 Be3+ 30. Nf2 Qg7 31. Kh1 Rxg2 32. Rxe5 Rh2+ 33. Kxh2 Qxe5+ 34. Kg2 Qxa1 35. Qf5+ Kd8 36. Qf8+ Kd7 37. Qd6+ Kc8 38. Qe6+ Kc7 39. Qxe3 Qg7+ 40. Qg3+ Qxg3+ 41. Kxg3 Kd7 42. Kf4 1-0

[Event "Detroit East op"]
[Site "Detroit East"]
[Date "1983.??.??"]
[Round "?"]
[White "Smith, MR."]
[Black "Matias, IC."]
[Result "1-0"]
[ECO "B16"]
[PlyCount "55"]
[EventDate "1983.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Nf3 Bg4 7. Be2 e6 8. Bf4 Nd7 9. Qd2 Qb6 10. c3 Be7 11. 0-0 Rg8 12. Rfe1 h5 13. Bg3 e5 14. dxe5 0-0-0 15. Qc2 fxe5 16. Nxe5 Nxe5 17. Bxe5 Bh4 18. Bxg4+ Rxg4 19. Qf5+ Rd7 20. Rad1 Qd8 21. Rd3 Rg5 22. Qxd7+ Qxd7 23. Rxd7 Kxd7 24. Rd1+ Kc8 25. f4 Rf5 26. g3 f6 27. Bd4 Rd5 28. Rd2 1-0

