[Event "USA Masters"]
[Site "Chicago"]
[Date "1990.??.??"]
[Round "5"]
[White "Horvitz, Richard"]
[Black "Bisguier, Arthur Bernard"]
[Result "1/2-1/2"]
[ECO "C66"]
[BlackElo "2390"]
[PlyCount "57"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. c3 g6 6. 0-0 Bg7 7. Nbd2 0-0 8. Re1 Nd7 9. Nf1 Nb6 10. d4 Bd7 11. d5 Ne7 12. Bxd7 Qxd7 13. b3 c6 14. c4 cxd5 15. exd5 e4 16. Nd4 Nf5 17. Bb2 Rae8 18. a4 Qd8 19. Ra2 Nh4 20. Ng3 Nd7 21. Nxe4 Nc5 22. f3 f5 23. Nxc5 Qg5 24. Re2 Bxd4+ 25. Bxd4 Nxf3+ 26. Kf2 Nxd4 27. Qxd4 dxc5 28. Qa1 Re4 29. Kg1 1/2-1/2

[Event "USA Masters"]
[Site "Chicago"]
[Date "1990.??.??"]
[Round "3"]
[White "Horvitz, Richard"]
[Black "Burke, John S"]
[Result "1-0"]
[ECO "B89"]
[PlyCount "59"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 0-0 9. 0-0-0 Bd7 10. Bb3 Nxd4 11. Bxd4 Qa5 12. Rhg1 e5 13. Be3 Rfc8 14. Bd2 Qc7 15. g4 Be6 16. g5 Nd7 17. Be3 a6 18. Nd5 Bxd5 19. Bxd5 Nf8 20. h4 g6 21. h5 Ne6 22. c3 Rab8 23. Qg4 b5 24. hxg6 hxg6 25. Bxe6 fxe6 26. Qxe6+ Kg7 27. Rh1 Rh8 28. Rh6 Rxh6 29. gxh6+ Kh8 30. Rg1 1-0

[Event "USA Masters"]
[Site "Chicago"]
[Date "1990.??.??"]
[Round "7"]
[White "Horvitz, Richard"]
[Black "Norman, B."]
[Result "1/2-1/2"]
[ECO "B08"]
[PlyCount "39"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 c6 7. h3 b5 8. a3 Bb7 9. Be3 a6 10. e5 Ne8 11. Qd2 Nc7 12. Bh6 Nd7 13. Rad1 Nb6 14. Qf4 Ne6 15. Qh4 f6 16. Bxg7 Kxg7 17. exf6+ exf6 18. Rfe1 Qd7 19. Bd3 Rae8 20. Qg3 1/2-1/2

[Event "USA Masters"]
[Site "Chicago"]
[Date "1990.??.??"]
[Round "1"]
[White "Horvitz, Richard"]
[Black "Waitzkin, Joshua"]
[Result "1-0"]
[ECO "B31"]
[PlyCount "85"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Nf6 6. c3 0-0 7. d4 cxd4 8. cxd4 d5 9. e5 Ne4 10. Nc3 Nxc3 11. bxc3 Bg4 12. h3 Bxf3 13. Qxf3 e6 14. Rb1 Qa5 15. Re2 Rac8 16. Bg5 a6 17. Bxc6 Rxc6 18. Rxb7 Rxc3 19. Qg4 Qa4 20. Be7 Rfc8 21. Reb2 Rc1+ 22. Kh2 Qd1 23. Qxd1 Rxd1 24. Rb8 Rdc1 25. R2b6 a5 26. Rb5 h5 27. Rxc8+ Rxc8 28. Rxa5 Rc4 29. Bc5 f6 30. f4 Bh6 31. Ra8+ Kf7 32. Ra7+ Kg8 33. exf6 Bxf4+ 34. Kg1 Bh6 35. f7+ Kh8 36. f8Q+ Bxf8 37. Bxf8 Kg8 38. Bg7 g5 39. Be5 Rc1+ 40. Kh2 g4 41. hxg4 hxg4 42. Kg3 Rc2 43. a4 1-0

[Event "USA Masters"]
[Site "Chicago"]
[Date "1990.??.??"]
[Round "2"]
[White "Kudrin, Sergey"]
[Black "Horvitz, Richard"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2565"]
[PlyCount "121"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 c6 5. a4 a5 6. h3 Nf6 7. Be3 0-0 8. Be2 Nbd7 9. 0-0 e5 10. dxe5 dxe5 11. Qd6 Ne8 12. Qd2 Nc7 13. Bc4 Qe7 14. Rfd1 Ne6 15. Qd6 Qxd6 16. Rxd6 Ndc5 17. Rad1 Re8 18. Bxc5 Nxc5 19. Ng5 Be6 20. Bxe6 fxe6 21. h4 Bf6 22. Nf3 Kf7 23. g3 Ke7 24. Kf1 Rec8 25. R6d2 Rc7 26. Ke2 h5 27. Rg1 Ra6 28. Ne1 Rb6 29. b3 Rb4 30. f3 Rd4 31. Nd3 Rcd7 32. Rgd1 Na6 33. Ke3 Bg7 34. Ne2 R4d6 35. g4 hxg4 36. fxg4 Rd8 37. Ne1 Rxd2 38. Rxd2 Rh8 39. Nf3 Nc5 40. Nc1 Ke8 41. Nd3 Nxd3 42. Rxd3 Bf8 43. Kf2 Bg7 44. Kg3 Ke7 45. Nd2 b5 46. c4 Rb8 47. cxb5 cxb5 48. axb5 Rxb5 49. Rc3 Kd7 50. g5 Bf8 51. Kg4 Bb4 52. Rd3+ Ke7 53. Nf3 Bd6 54. h5 gxh5+ 55. Kxh5 Rb8 56. g6 Rg8 57. Ng5 Ba3 58. Kh6 Bc1 59. Kh7 Rf8 60. Nf3 Kf6 61. Rd7 1-0

[Event "USA Masters"]
[Site "Chicago"]
[Date "1990.??.??"]
[Round "4"]
[White "Naff, William"]
[Black "Horvitz, Richard"]
[Result "0-1"]
[ECO "B81"]
[PlyCount "94"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 Nc6 7. g5 Nd7 8. h4 Nb6 9. Be3 a6 10. Qd2 Ne5 11. 0-0-0 Nbc4 12. Bxc4 Nxc4 13. Qd3 b5 14. Bf4 Bb7 15. Rh2 Rc8 16. Kb1 b4 17. Na4 Qa5 18. b3 Na3+ 19. Ka1 Be7 20. Bc1 Nb5 21. Bb2 Nc3 22. Bxc3 bxc3 23. Rh3 d5 24. e5 Bc6 25. Nxc3 Bd7 26. Rg1 Bb4 27. Nce2 Bb5 28. Nxb5 axb5 29. c3 Ra8 30. Qd2 Be7 31. Nd4 b4 32. cxb4 Bxb4 33. Qb2 0-0 34. Nc2 Bd2 35. b4 Qc7 36. Rf3 Rfc8 37. Kb1 Qc4 38. Rd1 Bc3 39. Qb3 Qxb3+ 40. axb3 Rab8 41. Rdd3 Bxb4 42. Nxb4 Rxb4 43. Kb2 g6 44. Rc3 Rcb8 45. Rce3 h5 46. Rd3 Kf8 47. Kc3 Rxb3+ 0-1

[Event "USA Masters"]
[Site "Chicago"]
[Date "1990.??.??"]
[Round "6"]
[White "Shirazi, Kamran"]
[Black "Horvitz, Richard"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2420"]
[PlyCount "97"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 c6 5. h3 Nf6 6. Nf3 0-0 7. Bd3 Qb6 8. e5 Nd5 9. Nxd5 cxd5 10. c3 dxe5 11. fxe5 Nc6 12. Qe2 f6 13. exf6 exf6 14. 0-0 Bd7 15. Bf4 Rfe8 16. Qf2 Ne7 17. Rfe1 Bf5 18. Bf1 g5 19. Bg3 Bg6 20. h4 h6 21. hxg5 hxg5 22. a4 a6 23. a5 Qc6 24. Nd2 Kf7 25. c4 Kg8 26. Rec1 Qd7 27. Nb3 Nf5 28. Nc5 Qf7 29. cxd5 Ne3 30. d6 Nxf1 31. Qxf1 f5 32. Qc4 f4 33. Bf2 Qxc4 34. Rxc4 Bf7 35. Rb4 Bd5 36. Nxb7 Reb8 37. Rc1 Bf8 38. Rc7 Bxd6 39. Nxd6 Rxb4 40. Rc5 Ba2 41. Rxg5+ Kf8 42. d5 Rxb2 43. Bc5 Rc2 44. Ne4+ Kf7 45. Rf5+ Kg6 46. Rf6+ Kh5 47. Rxf4 Rxc5 48. Nxc5 Rd8 49. Rd4 1-0

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "2"]
[White "Horvitz, Richard"]
[Black "Flaga, Krzysztof"]
[Result "0-1"]
[ECO "A80"]
[PlyCount "56"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 f5 2. Qd3 d5 3. Nc3 e6 4. g4 Nf6 5. Bg5 Be7 6. gxf5 exf5 7. 0-0-0 Nc6 8. Bxf6 Bxf6 9. e3 Ne7 10. Nge2 c6 11. Nf4 g6 12. f3 Qc7 13. Qd2 Rf8 14. Nd3 Bd7 15. Kb1 0-0-0 16. Na4 Kb8 17. Qb4 Ka8 18. Nac5 Bc8 19. Nf4 Rd6 20. c4 b6 21. Na6 Bxa6 22. c5 bxc5 23. dxc5 Rdd8 24. Bxa6 Rb8 25. Qa4 Rxb2+ 26. Kc1 Rfb8 27. Nd3 Rxh2 28. f4 Bb2+ 0-1

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "5"]
[White "Horvitz, Richard"]
[Black "O'Donnell, Robert"]
[Result "0-1"]
[ECO "E17"]
[PlyCount "80"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. g3 Be7 6. Bg2 Ne4 7. Bd2 f5 8. d5 Bf6 9. Qc2 Nd6 10. Bf4 Qe7 11. Rd1 e5 12. Bc1 e4 13. Nd4 g6 14. Ndb5 Nxb5 15. Nxb5 d6 16. Nd4 0-0 17. 0-0 c6 18. f3 cxd5 19. cxd5 Rc8 20. Qb1 exf3 21. exf3 Ba6 22. Nxf5 gxf5 23. Rfe1 Qg7 24. Qxf5 Nd7 25. Bh3 Nf8 26. Bf4 Rd8 27. b3 Bc8 28. Qh5 Qg6 29. Qxg6+ Nxg6 30. Be6+ Bxe6 31. Rxe6 Nxf4 32. Rxf6 Ng6 33. f4 Kg7 34. Re6 Rac8 35. h4 Kf7 36. Kf2 Rc2+ 37. Kf3 Rxa2 38. Rde1 Rd7 39. Kg4 Rd2 40. h5 Nf8 0-1

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "3"]
[White "Horvitz, Richard"]
[Black "Umezinwa, George"]
[Result "1-0"]
[ECO "A77"]
[PlyCount "111"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nd2 a6 8. a4 Bg7 9. e4 0-0 10. Be2 Re8 11. 0-0 Nbd7 12. f3 Rb8 13. Nc4 Ne5 14. Na3 Qc7 15. Kh1 h5 16. h3 Qe7 17. Bg5 Qf8 18. f4 Ned7 19. Bd3 Nh7 20. Bh4 Bd4 21. Nc2 Bf6 22. Bg3 Qg7 23. e5 dxe5 24. f5 h4 25. fxg6 fxg6 26. Bh2 Ng5 27. Ne4 Nxe4 28. Bxe4 Nf8 29. Ne3 Nh7 30. Qc2 Nf8 31. Qxc5 Bd7 32. Qb6 Nh7 33. d6 Ng5 34. Bd5+ Kh8 35. Rac1 e4 36. Qb4 b5 37. a5 Rbd8 38. Qe1 Nf3 39. gxf3 Bxh3 40. fxe4 Bxf1 41. Qxf1 Rf8 42. Rc2 Bxb2 43. Qe1 Qf6 44. e5 Qg5 45. e6 Bd4 46. e7 Rde8 47. exf8Q+ Rxf8 48. Bg2 Re8 49. d7 Rd8 50. Rc8 Bf6 51. Nd5 h3 52. Rxd8+ Kg7 53. Bf3 Bxd8 54. Qe5+ Qxe5 55. Bxe5+ Kf7 56. Bc7 1-0

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "4"]
[White "Jones, Kenneth E"]
[Black "Horvitz, Richard"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2220"]
[PlyCount "32"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 c6 5. Nf3 Bg4 6. Be3 Qb6 7. Qd2 Bxf3 8. gxf3 Nd7 9. 0-0-0 Qa5 10. Kb1 0-0-0 11. Bc4 d5 12. Bb3 e6 13. Rhg1 f5 14. e5 Kb8 15. Ne2 Qa6 16. Qd3 Qxd3 1/2-1/2

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "1"]
[White "Sandrin, Angelo"]
[Black "Horvitz, Richard"]
[Result "0-1"]
[ECO "E70"]
[PlyCount "62"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Bd3 0-0 7. Nge2 a6 8. 0-0 e6 9. a4 Ng4 10. Bf4 Ne5 11. b3 exd5 12. cxd5 Nbd7 13. Ra2 Rb8 14. Re1 Re8 15. Qd2 Nxd3 16. Qxd3 Ne5 17. Qd2 f5 18. Bg5 Qb6 19. exf5 Bxf5 20. Nc1 Qb4 21. Ne4 Nf7 22. Qxb4 cxb4 23. Rae2 Rxe4 24. Rxe4 Bxe4 25. Rxe4 Nxg5 26. Rxb4 b5 27. Ne2 Re8 28. axb5 Rxe2 29. Kf1 Re8 30. f4 Bc3 31. Rc4 Ne4 0-1

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "6"]
[White "Zumbrunnen, Randy D"]
[Black "Horvitz, Richard"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "110"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. 0-0 0-0 9. Be3 Nd4 10. e5 Nef5 11. Bf2 Nxf3+ 12. Qxf3 Nd4 13. Qd1 dxe5 14. fxe5 Bxe5 15. Ne4 f5 16. Nxc5 Qc7 17. b4 f4 18. gxf4 Rxf4 19. Rc1 Nf5 20. c3 Rxf2 21. Rxf2 Bxh2+ 22. Kh1 Bf4 23. Rb1 Be3 24. Qf3 Rb8 25. Re1 Bxf2 26. Qxf2 b6 27. Nxe6 Qxc3 28. Nf4 Bb7 29. Nd5 Bxd5 30. Bxd5+ Kg7 31. Bc4 Rf8 32. b5 h5 33. Re6 h4 34. Kh2 Rf6 35. Re8 Ng3 36. Qg2 Qd4 37. Qb7+ Kh6 38. Rh8+ Kg5 39. Qd5+ Qxd5 40. Bxd5 Kg4 41. Re8 Rf2+ 42. Kg1 Re2 43. Rf8 Re1+ 44. Kh2 Nf5 45. Rf6 Re2+ 46. Kg1 Kg5 47. Rf7 h3 48. Rh7 Kg4 49. Rh8 Kg3 50. Kf1 Rf2+ 51. Ke1 h2 52. Rh7 Rb2 53. Rxa7 Nh4 54. Kf1 Nf3 55. Rh7 Rf2# 0-1

[Event "Columbus Cardinal op"]
[Site "Columbus"]
[Date "1988.01.17"]
[Round "5"]
[White "Diebert, Charles"]
[Black "Horvitz, Richard"]
[Result "0-1"]
[ECO "E73"]
[PlyCount "84"]
[EventDate "1988.01.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 0-0 7. g4 e6 8. g5 Ne8 9. h4 exd5 10. Nxd5 Nc6 11. h5 Nc7 12. Nh3 Nxd5 13. cxd5 Nd4 14. Kf1 Re8 15. hxg6 hxg6 16. f3 a5 17. a4 Qb6 18. Ra3 Qb4 19. Nf2 b6 20. Kg2 c4 21. Rc3 Nxe2 22. Qxe2 Qxa4 23. Qxc4 Qxc4 24. Rxc4 Ba6 25. Rc6 Rec8 26. Rxb6 Rc2 27. Be3 Re2 28. Rb3 a4 29. Ra3 Bxb2 30. Kg3 Bc4 31. Bc1 Be5+ 32. f4 Bd4 33. Rh2 Bb3 34. Ng4 Rxh2 35. Nxh2 Rc8 36. Nf3 Bg7 37. Bd2 Bb2 38. Bb4 Bxa3 39. Bxa3 Bd1 40. Bb2 a3 41. Bf6 Bxf3 42. Kxf3 a2 0-1

[Event "Columbus Cardinal op"]
[Site "Columbus"]
[Date "1988.01.17"]
[Round "4"]
[White "Horvitz, Richard"]
[Black "Bass, Leonid"]
[Result "0-1"]
[ECO "D91"]
[BlackElo "2435"]
[PlyCount "48"]
[EventDate "1988.01.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. Bh4 c5 7. cxd5 Nxc3 8. bxc3 Qxd5 9. e3 Nc6 10. Be2 cxd4 11. cxd4 e5 12. dxe5 Qa5+ 13. Nd2 Nxe5 14. 0-0 0-0 15. Rb1 Qxa2 16. f4 Ng4 17. Rb3 Bf5 18. Qe1 Bc2 19. Rxb7 Nxe3 20. Rf3 Nf5 21. Bc4 Qa5 22. Qc1 Nxh4 23. Qxc2 Nxf3+ 24. Nxf3 Qh5 0-1

[Event "Columbus Cardinal op"]
[Site "Columbus"]
[Date "1988.01.16"]
[Round "3"]
[White "Frey, WK."]
[Black "Horvitz, Richard"]
[Result "0-1"]
[ECO "A48"]
[PlyCount "44"]
[EventDate "1988.01.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 g6 4. Nbd2 Bg7 5. c3 b6 6. Bd3 Nc6 7. a3 0-0 8. b4 d5 9. b5 Na5 10. a4 Bb7 11. Ba3 Rc8 12. Qb1 Nd7 13. h4 e5 14. e4 Re8 15. dxc5 Nxc5 16. Bxc5 Rxc5 17. h5 Rxc3 18. hxg6 hxg6 19. exd5 Rxd3 20. Qxd3 e4 21. Nxe4 Bxa1 22. Nfg5 Qxg5 0-1

[Event "Columbus Cardinal op"]
[Site "Columbus"]
[Date "1988.01.16"]
[Round "2"]
[White "Horvitz, Richard"]
[Black "Shirazi, Kamran"]
[Result "0-1"]
[ECO "E90"]
[BlackElo "2455"]
[PlyCount "50"]
[EventDate "1988.01.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 0-0 6. Nf3 d6 7. Bd3 e6 8. h3 exd5 9. exd5 Re8+ 10. Be3 a6 11. a4 Nbd7 12. 0-0 Nh5 13. Qd2 Ne5 14. Nxe5 Rxe5 15. Rfe1 Qh4 16. Ne4 Bxh3 17. Bg5 Qg4 18. f3 Qd7 19. gxh3 Qxh3 20. Qg2 Rxg5 21. Qxg5 Bd4+ 22. Nf2 Qxf3 23. Qd2 Ng3 24. Kh2 Bxf2 25. Re7 Nf1+ 0-1

[Event "Columbus Cardinal op"]
[Site "Columbus"]
[Date "1988.01.15"]
[Round "1"]
[White "Stark, Gregg"]
[Black "Horvitz, Richard"]
[Result "0-1"]
[ECO "A25"]
[PlyCount "56"]
[EventDate "1988.01.15"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 Ne7 5. e3 Nbc6 6. Nge2 0-0 7. 0-0 d6 8. Rb1 a5 9. a3 Bf5 10. d3 Qd7 11. Re1 Bh3 12. Bh1 f5 13. f4 Kh8 14. b4 axb4 15. axb4 g5 16. b5 Nd8 17. Qb3 Ne6 18. Bxb7 Nc5 19. Bc6 Nxc6 20. Qc2 Ne7 21. d4 Ne4 22. Nxe4 fxe4 23. c5 gxf4 24. gxf4 exf4 25. Nxf4 Rxf4 26. exf4 Qg4+ 27. Kh1 Qf3+ 28. Kg1 Bxd4+ 0-1

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1988.??.??"]
[Round "3"]
[White "Harris, W."]
[Black "Horvitz, Richard"]
[Result "0-1"]
[ECO "B06"]
[PlyCount "52"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. f4 g6 2. e4 Bg7 3. d4 d6 4. c3 Nd7 5. Nf3 e5 6. dxe5 dxe5 7. Bc4 Qe7 8. Qe2 Ngf6 9. 0-0 0-0 10. f5 a6 11. a4 Nc5 12. Bg5 Ncxe4 13. Qxe4 Qc5+ 14. Qe3 Qxc4 15. Nxe5 Qe4 16. fxg6 hxg6 17. Qc5 b6 18. Qxc7 Nd5 19. Qc6 Qxe5 20. Qxa8 Qxg5 21. h4 Qe3+ 22. Kh1 Be6 23. Qxa6 Be5 24. Rf3 Qe1+ 25. Qf1 Qxh4+ 26. Kg1 Bh2+ 0-1

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1988.??.??"]
[Round "2"]
[White "Horvitz, Richard"]
[Black "Browne, Walter Shawn"]
[Result "1/2-1/2"]
[ECO "E15"]
[BlackElo "2530"]
[PlyCount "53"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. 0-0 0-0 9. a3 Be7 10. Nc3 d5 11. cxd5 exd5 12. Ne5 Nbd7 13. Nd3 Ne4 14. Be1 c5 15. Nf4 Ndf6 16. dxc5 Nxc3 17. Bxc3 bxc5 18. Bxf6 Bxf6 19. Ra2 Rb8 20. Rc2 Qd6 21. Bxd5 Bxd5 22. Qxd5 Qxd5 23. Nxd5 Rxb3 24. Nxf6+ gxf6 25. Ra1 Rc8 26. Rc4 Kf8 27. Rac1 1/2-1/2

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1988.??.??"]
[Round "4"]
[White "Horvitz, Richard"]
[Black "Donaldson, John W"]
[Result "1-0"]
[ECO "D36"]
[BlackElo "2415"]
[PlyCount "95"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. cxd5 exd5 6. Qc2 Be7 7. Bg5 g6 8. e3 Bf5 9. Bd3 Bxd3 10. Qxd3 Nbd7 11. 0-0 0-0 12. Rab1 a5 13. h3 Re8 14. Bf4 Nh5 15. Bh2 f5 16. a3 Nhf6 17. Rfc1 a4 18. Qd1 Qa5 19. Bf4 Rec8 20. Ne5 Nxe5 21. Bxe5 Nd7 22. Bf4 Nb6 23. g4 Rf8 24. Bc7 Rac8 25. Bg3 Qa6 26. b4 Ra8 27. b5 Qa7 28. bxc6 bxc6 29. Nb5 Qd7 30. Nc7 Rab8 31. Na6 Rb7 32. Nc5 Bxc5 33. dxc5 Nc4 34. Rxb7 Qxb7 35. Qxa4 fxg4 36. hxg4 Ra8 37. Qb4 Qd7 38. e4 Rxa3 39. exd5 cxd5 40. Qb8+ Kg7 41. Rxc4 Rxg3+ 42. Qxg3 dxc4 43. Qc3+ Kf8 44. Qh8+ Kf7 45. Qxh7+ Ke6 46. Qxg6+ Ke5 47. Qg5+ Ke4 48. Qe3+ 1-0

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1988.??.??"]
[Round "6"]
[White "Horvitz, Richard"]
[Black "Giles, Morris"]
[Result "1/2-1/2"]
[ECO "B06"]
[BlackElo "2330"]
[PlyCount "27"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 c6 5. Be2 Nd7 6. a4 a5 7. 0-0 Nh6 8. Re1 0-0 9. h3 e5 10. dxe5 dxe5 11. Be3 f6 12. Bc4+ Nf7 13. Qd3 Qe7 14. Rad1 1/2-1/2

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1988.??.??"]
[Round "1"]
[White "Horvitz, Richard"]
[Black "Sullivan, M."]
[Result "1-0"]
[ECO "E97"]
[PlyCount "81"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 Ne8 10. c5 f5 11. Nd2 Bh6 12. Nc4 Bxc1 13. Rxc1 f4 14. Bg4 h5 15. Bxc8 Nxc8 16. f3 Rf7 17. Qa4 g5 18. Na5 Rb8 19. Qb5 Ne7 20. Nxb7 Qc8 21. c6 g4 22. Qe2 Ng6 23. Kf2 Nh4 24. Ke1 gxf3 25. gxf3 Rg7 26. Kd2 Qh3 27. Rf2 Kh7 28. Qf1 Ng2 29. Rc2 Nf6 30. Kc1 Rbg8 31. Nd8 Qxh2 32. Ne6 Rg6 33. Nxc7 Qh3 34. Ne6 Ne8 35. c7 Nxc7 36. Nxc7 Rg3 37. N7b5 Ne3 38. Qxh3 Rxh3 39. Rce2 Rh1+ 40. Kb2 Nc4+ 41. Kb3 1-0

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1988.??.??"]
[Round "5"]
[White "Schumann, Burkhard"]
[Black "Horvitz, Richard"]
[Result "1/2-1/2"]
[ECO "A43"]
[PlyCount "46"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. Nc3 d6 4. e4 e6 5. Bb5+ Bd7 6. dxe6 fxe6 7. e5 dxe5 8. Bxd7+ Qxd7 9. Qxd7+ Nbxd7 10. Bd2 Bd6 11. Nh3 h6 12. f3 0-0-0 13. Nf2 Nb6 14. 0-0-0 Nc4 15. Nce4 Be7 16. Rhe1 Rd5 17. b3 Nxe4 18. Nxe4 Nxd2 19. Rxd2 Rhd8 20. Rde2 c4 21. c3 cxb3 22. axb3 h5 23. Kc2 a6 1/2-1/2

[Event "Columbus Cardinal op"]
[Site "Columbus"]
[Date "1987.??.??"]
[Round "?"]
[White "Horvitz, Richard"]
[Black "Seirawan, Yasser"]
[Result "0-1"]
[ECO "B42"]
[BlackElo "2595"]
[PlyCount "74"]
[EventDate "1987.01.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. 0-0 Nbc6 7. Nb3 g6 8. a4 Bg7 9. a5 d5 10. N1d2 0-0 11. c3 e5 12. exd5 Nxd5 13. Ne4 h6 14. Bc4 Nce7 15. Bxh6 Bxh6 16. Bxd5 Nxd5 17. Qxd5 Qxd5 18. Nf6+ Kg7 19. Nxd5 Be6 20. c4 Rac8 21. Ra4 Rfd8 22. Rb4 Bxd5 23. cxd5 Rxd5 24. Rxb7 Rc2 25. g3 Rxb2 26. Ra1 Rc2 27. Re1 Rc3 28. Rb6 Bg5 29. Rb1 e4 30. Rxa6 e3 31. fxe3 Rb5 32. Nd2 Rxb1+ 33. Nxb1 Rc1+ 34. Kf2 Rxb1 35. h4 Be7 36. Ra7 Bf8 37. Ra8 Rb3 0-1

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1986.??.??"]
[Round "4"]
[White "Concini, John W"]
[Black "Horvitz, Richard"]
[Result "0-1"]
[ECO "B85"]
[PlyCount "66"]
[EventDate "1986.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Be7 7. 0-0 a6 8. a4 Nc6 9. Be3 Qc7 10. Nb3 b6 11. f4 0-0 12. Qe1 Rd8 13. Qf2 Rb8 14. g4 d5 15. e5 d4 16. exf6 dxe3 17. Qxe3 Bxf6 18. g5 Be7 19. Ne4 Nb4 20. Rac1 Bb7 21. c3 Nd5 22. Qf2 e5 23. fxe5 Qxe5 24. Qxf7+ Kh8 25. Qf5 Qc7 26. Rf3 Rf8 27. Qg4 Nf4 28. Re3 Rbe8 29. Re1 Bxe4 30. Rxe4 Bc5+ 31. Nxc5 Qxc5+ 32. Rd4 Qe5 33. Bf1 Qxe1 0-1

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1986.??.??"]
[Round "2"]
[White "Gurevich, Dmitry"]
[Black "Horvitz, Richard"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2475"]
[PlyCount "51"]
[EventDate "1986.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. h3 0-0 7. Nf3 e6 8. Bd3 exd5 9. exd5 Re8+ 10. Kf1 b5 11. Nxb5 Ne4 12. g3 a6 13. Na3 Nd7 14. Kg2 Ndf6 15. Qc2 Ra7 16. Bf4 Rae7 17. Rae1 h6 18. Bc1 h5 19. Nb1 Qd7 20. Nbd2 Nxd2 21. Bxd2 Rxe1 22. Bxe1 Qe7 23. Bc3 Ne4 24. Bxg7 Kxg7 25. Bxe4 Qxe4 26. Qc3+ 1-0

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1986.??.??"]
[Round "5"]
[White "Horvitz, Richard"]
[Black "Formanek, Edward W"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "2350"]
[PlyCount "68"]
[EventDate "1986.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Ne4 5. Ne2 Bc5 6. d4 Be7 7. Ng3 c5 8. Bd3 Qa5+ 9. Kf1 Nxg3+ 10. hxg3 Bd7 11. Bg5 Bb5 12. Bxe7 Kxe7 13. dxc5 Nd7 14. Kg1 Bxd3 15. Qxd3 Nxc5 16. Qe3 h6 17. c3 Nb3 18. Rd1 Qxa2 19. Rh4 Rhc8 20. Rb4 b6 21. g4 Nc5 22. g5 Rh8 23. Rh4 Qxb2 24. gxh6 gxh6 25. c4 Qc2 26. Rdd4 dxc4 27. Rxh6 Qb1+ 28. Kh2 Qg6 29. Rdh4 Rxh6 30. Rxh6 Qg7 31. Rf6 Rh8+ 32. Kg1 Qh7 33. Kf1 Qd3+ 34. Qxd3 cxd3 0-1

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1986.??.??"]
[Round "3"]
[White "Horvitz, Richard"]
[Black "Mote, David"]
[Result "1/2-1/2"]
[ECO "C68"]
[PlyCount "53"]
[EventDate "1986.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 h5 7. d3 Qf6 8. Nbd2 Bc5 9. Nc4 Bd6 10. Be3 Ne7 11. d4 Bxf3 12. Qxf3 Qxf3 13. gxf3 Ng6 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. f4 Bd6 17. e5 Be7 18. Kg2 0-0-0 19. Rad1 Rd5 20. c4 Ra5 21. a3 Ra4 22. Rc1 Rd8 23. Rc3 g6 24. Rfc1 Kd7 25. Rd3+ Ke6 26. Rxd8 Bxd8 27. Bc5 1/2-1/2

[Event "Philadelphia op"]
[Site "Philadelphia"]
[Date "1986.??.??"]
[Round "?"]
[White "Horvitz, Richard"]
[Black "Schmuggerow, Kevin"]
[Result "1-0"]
[ECO "B93"]
[PlyCount "95"]
[EventDate "1986.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Qc7 8. a4 Nbd7 9. Bd3 b6 10. 0-0 Bb7 11. Qe1 Rc8 12. Kh1 g6 13. Bd2 Bg7 14. Qh4 0-0 15. Rae1 d5 16. fxe5 dxe4 17. Ng5 h6 18. Ngxe4 Nxe4 19. Nxe4 Bxe4 20. Bxe4 Nc5 21. Bxh6 Nxe4 22. Rxe4 Qc6 23. Bxg7 Kxg7 24. h3 Rh8 25. Qf6+ Qxf6 26. exf6+ Kf8 27. Rd1 Rh5 28. Rd6 Kg8 29. c3 Rf5 30. Rxb6 Rd8 31. Re2 Ra5 32. b3 Rd3 33. c4 Rc5 34. Rb8+ Kh7 35. Rb7 g5 36. Rxf7+ Kg6 37. Rb7 Kxf6 38. Re4 Kf5 39. Rg4 Ra5 40. Kh2 Rd2 41. Rf7+ Kg6 42. Rc7 Rb2 43. Rg3 Kf6 44. c5 Rc2 45. Rd3 Ke5 46. Rd6 Rc3 47. Re7+ Kf5 48. g4+ 1-0

[Event "Midwest Masters"]
[Site "Chicago"]
[Date "1985.??.??"]
[Round "4"]
[White "Dandridge, Marvin"]
[Black "Horvitz, Richard"]
[Result "0-1"]
[ECO "E07"]
[PlyCount "88"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. g3 dxc4 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Nbd7 8. Qc2 c5 9. Rd1 cxd4 10. Rxd4 Qc7 11. Be3 a6 12. Nd2 Ne5 13. Bf4 Nh5 14. Rxc4 Qb8 15. Bxe5 Qxe5 16. Nf3 Qb8 17. Rd1 b5 18. Rcd4 Ra7 19. Ne4 Rc7 20. Qd3 Bb7 21. Qb1 Rd8 22. Rxd8+ Bxd8 23. Nd6 Ba8 24. e4 Be7 25. e5 h6 26. Rd4 Rc5 27. Ne4 Rd5 28. Qd1 Qc7 29. h4 Rxd4 30. Qxd4 Bd5 31. Nc3 Bxf3 32. Bxf3 Nxg3 33. h5 Nf5 34. Qe4 Bc5 35. Kg2 Bd4 36. Qa8+ Kh7 37. Qxa6 Qxe5 38. Qb7 Qe1 39. Ne4 Nh4+ 40. Kg3 Nf5+ 41. Kh2 Be5+ 42. Kh3 Qf1+ 43. Bg2 Qd3+ 44. f3 Qd8 0-1

[Event "Midwest Masters"]
[Site "Chicago"]
[Date "1985.??.??"]
[Round "3"]
[White "Horvitz, Richard"]
[Black "Bereolos, Peter"]
[Result "1-0"]
[ECO "C69"]
[PlyCount "111"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 f6 6. d4 exd4 7. Nxd4 c5 8. Nb3 Qxd1 9. Rxd1 Bg4 10. f3 Be6 11. Nc3 Bd6 12. Be3 b6 13. a4 Kf7 14. a5 c4 15. Nd4 b5 16. Nxe6 Kxe6 17. Nd5 Ne7 18. f4 Nxd5 19. Rxd5 Rhd8 20. Rad1 Be7 21. Kf2 Rxd5 22. Rxd5 Rd8 23. f5+ Kf7 24. Rxd8 Bxd8 25. Bc5 c6 26. Bb6 Be7 27. Bc7 Ke8 28. Kf3 Kd7 29. Bb6 Bd6 30. h4 c5 31. g4 Kc6 32. g5 fxg5 33. hxg5 Be5 34. b3 cxb3 35. cxb3 c4 36. bxc4 bxc4 37. Ke3 h5 38. gxh6 gxh6 39. Bd8 h5 40. Bh4 Kd6 41. Be1 c3 42. Kd3 Kc5 43. Bh4 Kb4 44. f6 c2 45. Kxc2 Kc5 46. f7 Bd6 47. Kd3 Bf8 48. Bg3 Bg7 49. Be5 Bh6 50. Bb2 h4 51. Ba3+ Kc6 52. Ke2 h3 53. Kf3 Kd7 54. f8Q Bxf8 55. Bxf8 Ke6 56. Bg7 1-0

[Event "Midwest Masters"]
[Site "Chicago"]
[Date "1985.??.??"]
[Round "5"]
[White "Horvitz, Richard"]
[Black "Rolletschek, Heinrich"]
[Result "1-0"]
[ECO "C68"]
[PlyCount "71"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 h5 7. d3 Qf6 8. Nbd2 Ne7 9. Re1 Ng6 10. d4 Bd6 11. hxg4 hxg4 12. Nh2 Rxh2 13. Qxg4 Qh4 14. Qxh4 Rxh4 15. Nf3 Rh8 16. Be3 f6 17. g3 exd4 18. Bxd4 c5 19. e5 fxe5 20. Nxe5 Nxe5 21. Bxe5 Kd7 22. Kg2 Rhe8 23. Bc3 c4 24. Rxe8 Rxe8 25. Re1 Rd8 26. f4 b5 27. Kf3 b4 28. Be5 Re8 29. Re4 Bxe5 30. Rxe5 Rxe5 31. fxe5 Ke6 32. Kf4 c6 33. g4 a5 34. a4 c5 35. g5 Kf7 36. Ke4 1-0

[Event "Midwest Masters"]
[Site "Chicago"]
[Date "1985.??.??"]
[Round "1"]
[White "Horvitz, Richard"]
[Black "Tomas, John"]
[Result "1-0"]
[ECO "B85"]
[PlyCount "57"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 a6 7. Be2 Be7 8. 0-0 0-0 9. Be3 Nc6 10. Qe1 Bd7 11. Qg3 Nxd4 12. Bxd4 Bc6 13. a4 g6 14. f5 e5 15. Be3 Nxe4 16. Nxe4 Bxe4 17. Bh6 Re8 18. Rad1 Rc8 19. Bd3 Qb6+ 20. Kh1 Qc6 21. f6 Bf8 22. Bg7 Re6 23. Qh3 d5 24. Qh4 Qxa4 25. Qh6 Rxc2 26. Bxc2 Qxc2 27. Rd2 Qc5 28. Rdf2 Bd6 29. Rc1 1-0

[Event "Midwest Masters"]
[Site "Chicago"]
[Date "1985.??.??"]
[Round "2"]
[White "Ivanov, Igor Vasilievich"]
[Black "Horvitz, Richard"]
[Result "1-0"]
[ECO "D58"]
[WhiteElo "2465"]
[PlyCount "57"]
[EventDate "1985.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 b6 8. Be2 Bb7 9. Bxf6 Bxf6 10. cxd5 exd5 11. b4 c6 12. 0-0 a5 13. b5 c5 14. Rc1 Qd6 15. dxc5 bxc5 16. Ne4 Qb6 17. Nxc5 Rd8 18. Nd4 Bc8 19. Na4 Qd6 20. Bf3 Be6 21. Nxe6 fxe6 22. Nc5 Ra7 23. Bg4 Re7 24. Qa4 Qb6 25. Rfd1 Kh8 26. Nb3 Ra7 27. Nd4 e5 28. Nc6 Re8 29. Rxd5 1-0

[Event "Pan American-ch"]
[Site "Chicago"]
[Date "1978.12.??"]
[Round "?"]
[White "Morrison, Robert"]
[Black "Horvitz, Richard"]
[Result "1-0"]
[ECO "C78"]
[PlyCount "59"]
[EventDate "1978.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Toronto"]
[BlackTeam "Cincinatti"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "USA"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bb7 7. Re1 Bc5 8. c3 d6 9. d4 Bb6 10. Bg5 h6 11. Bh4 0-0 12. a4 Re8 13. d5 Na5 14. Bc2 c6 15. dxc6 Bxc6 16. Nbd2 g5 17. Bg3 Nh5 18. b4 Nb7 19. Nxe5 dxe5 20. Qxh5 Qxd2 21. Bb3 Qd6 22. Qxf7+ Kh8 23. Red1 Qf8 24. Qg6 Rac8 25. axb5 Bxb5 26. Qxb6 Rxc3 27. Qxb7 Rxb3 28. Qd5 Rxb4 29. Bxe5+ Kh7 30. Bd6 1-0

