[Event "Oregon-ch"]
[Site "Eugene"]
[Date "1995.??.??"]
[Round "?"]
[White "Bricher, James"]
[Black "Hatala, John P"]
[Result "1/2-1/2"]
[ECO "B25"]
[PlyCount "58"]
[EventDate "1995.04.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e5 6. Nh3 Nge7 7. 0-0 d6 8. f4 exf4 9. Nxf4 0-0 10. Nfd5 Nxd5 11. Nxd5 Be6 12. Nf4 Rb8 13. c3 b5 14. Be3 Ne5 15. Nxe6 fxe6 16. Rxf8+ Qxf8 17. Qe2 Qe7 18. d4 Nf7 19. Rd1 Bh6 20. e5 Bxe3+ 21. Qxe3 cxd4 22. exd6 Nxd6 23. Rxd4 Nf5 24. Qe5 Rc8 25. Rd1 Rc5 26. Qe2 e5 27. Re1 a5 28. Qe4 Kg7 29. b4 Rc4 1/2-1/2

[Event "Oregon-ch"]
[Site "Eugene"]
[Date "1995.??.??"]
[Round "?"]
[White "Crispin, Thomas A"]
[Black "Hatala, John P"]
[Result "1/2-1/2"]
[ECO "B87"]
[PlyCount "81"]
[EventDate "1995.04.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[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 b5 8. 0-0 Be7 9. Qf3 Qc7 10. Qg3 0-0 11. Bh6 Ne8 12. Rad1 Nc6 13. Nxc6 Qxc6 14. Nd5 Bd8 15. Bg5 Qd7 16. Ne3 Bxg5 17. Qxg5 Qb7 18. Rfe1 Ra7 19. c3 Qe7 20. Qg3 Rd7 21. f4 Nc7 22. f5 e5 23. Rf1 Rfd8 24. f6 Qf8 25. fxg7 Qxg7 26. Qh4 Kh8 27. Rxf7 Rxf7 28. Qxd8+ Rf8 29. Qxd6 Ne8 30. Qc5 Nf6 31. Rf1 Re8 32. Qc6 Rf8 33. Nf5 Qa7+ 34. Kh1 Bxf5 35. Rxf5 Qe3 36. h3 Qe1+ 37. Kh2 Ng4+ 38. hxg4 Qh4+ 39. Kg1 Qe1+ 40. Kh2 Qh4+ 41. Kg1 1/2-1/2

[Event "Oregon-ch"]
[Site "Eugene"]
[Date "1995.??.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Collins, Jay Thomas"]
[Result "0-1"]
[ECO "B00"]
[PlyCount "116"]
[EventDate "1995.04.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Bd3 e6 4. Nf3 g6 5. 0-0 Bg7 6. Re1 Ne7 7. c3 d6 8. Nbd2 Nd7 9. Nc4 h6 10. Qe2 a6 11. Bf4 Nf8 12. h4 Qd7 13. Rad1 f6 14. e5 fxe5 15. dxe5 d5 16. Ne3 Nf5 17. c4 c6 18. cxd5 cxd5 19. Rc1 Ne7 20. Nd4 g5 21. Qh5+ Kd8 22. hxg5 hxg5 23. Qxg5 Rg8 24. Ng4 Rc8 25. Qh4 Rh8 26. Qg5 Rg8 27. Nf6 Bxf6 28. Qxf6 Ke8 29. Bh6 Rc4 30. Be3 Nc6 31. Bxc4 dxc4 32. Nxc6 Bxc6 33. f3 Qb7 34. Rcd1 Bd5 35. Bg5 Qc7 36. Qf4 Qg7 37. Re2 Qxg5 38. Qxg5 Rxg5 39. Kf2 Ng6 40. Rde1 Nf4 41. g4 Nd3+ 42. Kg3 Nxe1 43. Rxe1 Rg7 44. f4 Rh7 45. f5 Rh1 46. Re2 Rg1+ 47. Kf4 b5 48. Rh2 Rg2 49. Rh8+ Kf7 50. Rh7+ Kg8 51. Ra7 Rxb2 52. Kg5 Rg2 53. f6 c3 54. Rc7 Bc4 55. Rc8+ Kf7 56. Rc7+ Ke8 57. Rc8+ Kd7 58. f7 Rf2 0-1

[Event "Oregon-ch"]
[Site "Eugene"]
[Date "1995.??.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Haessler, Carl A"]
[Result "0-1"]
[ECO "C44"]
[BlackElo "2235"]
[PlyCount "86"]
[EventDate "1995.04.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d3 Be7 4. Nbd2 d6 5. g3 f5 6. Bg2 g5 7. h4 g4 8. Nh2 h5 9. exf5 Bxf5 10. Ne4 Qd7 11. Be3 0-0-0 12. f3 d5 13. Nf2 Nf6 14. Qd2 Be6 15. Bg5 Rhf8 16. Bxf6 Rxf6 17. fxg4 hxg4 18. c3 Kb8 19. 0-0-0 Rdf8 20. Rhf1 Bc5 21. Nh1 Qh7 22. Rxf6 Rxf6 23. Rf1 Rxf1+ 24. Nxf1 Bf8 25. Qe2 Bh6+ 26. Nd2 e4 27. dxe4 d4 28. cxd4 Nxd4 29. Qd3 Qd7 30. Kb1 Qa4 31. Nb3 c5 32. Bf1 a6 33. Nc1 Bxc1 34. Kxc1 Qxa2 35. Nf2 Qa1+ 36. Kd2 Qxb2+ 37. Ke1 Qb4+ 38. Kd1 Bb3+ 39. Kc1 Qa3+ 40. Kd2 Qb2+ 41. Ke3 Qc1+ 42. Qd2 Qxf1 43. Nxg4 Qf3# 0-1

[Event "Oregon-ch"]
[Site "Eugene"]
[Date "1995.??.??"]
[Round "?"]
[White "Polasek, Preston"]
[Black "Hatala, John P"]
[Result "1/2-1/2"]
[ECO "B24"]
[PlyCount "97"]
[EventDate "1995.04.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 d6 4. g3 g6 5. Bg2 Bg7 6. 0-0 e5 7. Nd5 Nge7 8. c3 0-0 9. d3 Rb8 10. Be3 b6 11. h3 f5 12. Qd2 Be6 13. Rad1 Qd7 14. d4 fxe4 15. Nxe7+ Nxe7 16. dxc5 bxc5 17. Bxc5 Nc8 18. Bxd6 Rd8 19. Bxb8 Qxd2 20. Rxd2 Rxd2 21. Nc1 Rxb2 22. Bc7 Nb6 23. Bxe4 Bxh3 24. Rd1 Be6 25. Nd3 Rxa2 26. Nxe5 Bxe5 27. Bxe5 Ra4 28. Rd8+ Kf7 29. Bd4 Bd5 30. f3 Bxe4 31. fxe4 Ra2 32. Rh8 h5 33. Rh7+ Kf8 34. Rg7 Re2 35. Rxa7 Nc4 36. Rc7 Nd2 37. e5 g5 38. Bc5+ Kg8 39. Rc8+ Kf7 40. Rf8+ Ke6 41. Bd4 h4 42. gxh4 gxh4 43. Rf6+ Kd5 44. Rd6+ Ke4 45. Rh6 Kf3 46. Rf6+ Kg3 47. Bf2+ Kg4 48. Bxh4 Kxh4 49. Rf2 1/2-1/2

[Event "Oregon-ch"]
[Site "Portland"]
[Date "1994.??.??"]
[Round "2"]
[White "Haessler, Carl A"]
[Black "Hatala, John P"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2235"]
[PlyCount "91"]
[EventDate "1994.02.28"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 Nc6 5. 0-0 g6 6. Bc2 Bg7 7. Re1 0-0 8. h3 e5 9. d4 Qc7 10. d5 Ne7 11. Nbd2 Ne8 12. Nf1 h6 13. Ng3 Kh7 14. Be3 Ng8 15. b4 Bd7 16. bxc5 dxc5 17. Rb1 Nd6 18. Nd2 Ne7 19. f4 f6 20. Qe2 Rf7 21. Rf1 Raf8 22. Rf3 Nec8 23. Rbf1 Be8 24. Qf2 b6 25. Qe2 Nb7 26. h4 Nbd6 27. f5 g5 28. hxg5 fxg5 29. Nh5 Bf6 30. Rh3 Rg8 31. Nf3 Qe7 32. Nh2 Bb5 33. Bd3 c4 34. Bc2 Ne8 35. Ng4 Ncd6 36. Nxh6 Kxh6 37. Nxf6+ Kg7 38. Nxg8 Kxg8 39. Qh5 Rg7 40. Qh8+ Kf7 41. f6 Nxf6 42. Bxg5 Nde8 43. Rh7 Kg6 44. Rxg7+ Qxg7 45. Qxg7+ Kxg7 46. Rf5 1-0

[Event "Oregon-ch"]
[Site "Portland"]
[Date "1994.??.??"]
[Round "5"]
[White "Hatala, John P"]
[Black "Gutman, Richard George"]
[Result "1/2-1/2"]
[ECO "A08"]
[PlyCount "65"]
[EventDate "1994.02.28"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. Re1 d5 8. Nbd2 h6 9. c3 a5 10. exd5 exd5 11. Nb3 b6 12. a4 Ra7 13. d4 c4 14. Nbd2 0-0 15. b3 cxb3 16. Qxb3 Ba6 17. Ba3 Re8 18. Rab1 Rb7 19. Bf1 Bxf1 20. Nxf1 Na7 21. Ne3 Nac8 22. Nxd5 Nxd5 23. Rxe8+ Qxe8 24. Qxd5 Rb8 25. Re1 Qxa4 26. Qd8+ Kh7 27. Bf8 Qc6 28. Bxg7 Kxg7 29. Re8 Qxf3 30. Rg8+ Kh7 31. Rh8+ Kg7 32. Rg8+ Kh7 33. Rh8+ 1/2-1/2

[Event "Oregon-ch"]
[Site "Portland"]
[Date "1994.??.??"]
[Round "3"]
[White "Hatala, John P"]
[Black "Harmon, Clark R"]
[Result "0-1"]
[ECO "B19"]
[BlackElo "2235"]
[PlyCount "100"]
[EventDate "1994.02.28"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Qc7 11. Bd2 Ngf6 12. 0-0-0 0-0-0 13. Ne4 e6 14. g3 Nxe4 15. Qxe4 Nf6 16. Qe2 Bd6 17. c4 c5 18. Bc3 cxd4 19. Nxd4 a6 20. Nf3 Qc6 21. Ne5 Bxe5 22. Bxe5 Rd7 23. g4 Rhd8 24. f3 Ne8 25. Rxd7 Rxd7 26. Rd1 f6 27. Rxd7 Kxd7 28. Qd3+ Kc8 29. Bc3 e5 30. Bb4 Nc7 31. b3 Ne6 32. Qd5 Kc7 33. Qxc6+ Kxc6 34. Bc3 Ng5 35. Bb4 Nxf3 36. Bf8 Nh2 37. Bxg7 Nxg4 38. Kd2 Kd6 39. Bf8+ Ke6 40. Ke2 f5 41. Kf3 Nf6 42. Bxh6 Nxh5 43. Bd2 f4 44. b4 Kf5 45. b5 e4+ 46. Ke2 Ng7 47. a4 Ne6 48. Bb4 Nd4+ 49. Kf1 Nc2 50. Bc5 e3 0-1

[Event "Oregon-ch"]
[Site "Portland"]
[Date "1994.??.??"]
[Round "7"]
[White "Hatala, John P"]
[Black "Lapham, William"]
[Result "1/2-1/2"]
[ECO "C01"]
[PlyCount "21"]
[EventDate "1994.02.28"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Nc6 6. c3 Nge7 7. 0-0 0-0 8. Re1 Bf5 9. Bg5 Bxd3 10. Qxd3 Qd7 11. Nbd2 1/2-1/2

[Event "Oregon-ch"]
[Site "Portland"]
[Date "1994.??.??"]
[Round "4"]
[White "Pendergast, Michael J"]
[Black "Hatala, John P"]
[Result "1/2-1/2"]
[ECO "E12"]
[PlyCount "16"]
[EventDate "1994.02.28"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Be7 8. e4 Nxc3 1/2-1/2

[Event "Oregon-ch"]
[Site "Portland"]
[Date "1994.??.??"]
[Round "6"]
[White "Raptis, Nick"]
[Black "Hatala, John P"]
[Result "1/2-1/2"]
[ECO "B95"]
[PlyCount "40"]
[EventDate "1994.02.28"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[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 e6 6. Bg5 Be7 7. Qd2 a6 8. 0-0-0 Qc7 9. f4 h6 10. Bh4 Nxe4 11. Nxe4 Bxh4 12. Nf3 d5 13. Nxh4 dxe4 14. Qe3 Qe7 15. Qc3 0-0 16. g3 b5 17. Bg2 Bb7 18. Qd4 Nc6 19. Qxe4 Na5 20. Qe2 Bxg2 1/2-1/2

[Event "Oregon-ch"]
[Site "Portland"]
[Date "1994.??.??"]
[Round "1"]
[White "Wood, Richard"]
[Black "Hatala, John P"]
[Result "1-0"]
[ECO "A03"]
[PlyCount "67"]
[EventDate "1994.02.28"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. f4 c5 2. Nf3 g6 3. e3 Bg7 4. Be2 Nc6 5. d4 d5 6. 0-0 Nf6 7. c3 0-0 8. Qe1 Qc7 9. a4 b6 10. b4 Ne4 11. Ba3 Bb7 12. b5 Nb8 13. Nfd2 Nxc3 14. Nxc3 cxd4 15. Na2 dxe3 16. Nb3 Bxa1 17. Qxa1 Qc2 18. Nac1 Re8 19. Qd4 Qe4 20. Bb2 f6 21. Qxe4 dxe4 22. Bc4+ Kh8 23. g4 Nd7 24. g5 Kg7 25. f5 gxf5 26. Nd4 Kg6 27. Nxf5 fxg5 28. Ne2 Rad8 29. Neg3 e2 30. Bxe2 Nf6 31. Nxe7+ Rxe7 32. Bxf6 Rdd7 33. Bxe7 Rxe7 34. Bh5+ 1-0

[Event "NWC op 02"]
[Site "Seattle"]
[Date "1993.??.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Tomkins, Ken"]
[Result "1-0"]
[ECO "A04"]
[BlackElo "2350"]
[PlyCount "99"]
[EventDate "1993.02.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d3 g6 4. g3 Bg7 5. Bg2 Nc6 6. 0-0 Bd7 7. c3 e5 8. a3 Nf6 9. Re1 0-0 10. Nbd2 b5 11. Nf1 a5 12. a4 bxa4 13. Rxa4 Rb8 14. Ne3 Be6 15. Nc4 Nd7 16. Ra1 Qc7 17. Ng5 Bxc4 18. dxc4 Nb6 19. Qd3 a4 20. Nf3 Na5 21. Nd2 Bh6 22. b4 cxb4 23. cxb4 Bxd2 24. Bxd2 Nb3 25. Bh6 Rfe8 26. Rxa4 Nxa4 27. Qxb3 Nc5 28. Qc3 Ne6 29. Be3 Rec8 30. Bf1 Qb7 31. Rd1 Rd8 32. c5 Qxb4 33. Qxb4 Rxb4 34. cxd6 Nd4 35. Bxd4 exd4 36. e5 g5 37. f4 gxf4 38. gxf4 Ra8 39. Bd3 h6 40. Rd2 Rab8 41. Kf2 Kf8 42. Kf3 Rb2 43. Rxb2 Rxb2 44. Ke4 Rxh2 45. Kf5 Rf2 46. Bb5 d3 47. Bxd3 Rf3 48. Bb5 Rb3 49. Bc4 Rb6 50. Kf6 1-0

[Event "NWC December op"]
[Site "Seattle"]
[Date "1992.??.??"]
[Round "?"]
[White "Billaux, Eric"]
[Black "Hatala, John P"]
[Result "1-0"]
[ECO "B99"]
[PlyCount "65"]
[EventDate "1992.12.??"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 Nc5 14. f6 gxf6 15. gxf6 Bf8 16. Rg1 b4 17. Nd5 Qb7 18. Re1 h5 19. Bh3 Bd7 20. Rg7 a5 21. Nf4 e5 22. Bxd7+ Nxd7 23. Ng6 Bxg7 24. fxg7 Rg8 25. Nf5 Qc7 26. Nge7 Nf6 27. Nxg8 Nxg8 28. Qxh5 0-0-0 29. Rd1 Kb8 30. Qe2 Qc6 31. Rd5 Nf6 32. Ne7 Qa8 33. Rxa5 1-0

[Event "NWC June"]
[Site "Seattle"]
[Date "1992.??.??"]
[Round "?"]
[White "Crispin, Thomas A"]
[Black "Hatala, John P"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2182"]
[PlyCount "43"]
[EventDate "1992.06.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Bg2 Bg7 6. Nxc6 bxc6 7. 0-0 Nf6 8. c4 d5 9. Nc3 e6 10. cxd5 cxd5 11. e4 Bb7 12. Qa4+ Kf8 13. Be3 Kg8 14. Rfd1 Qd6 15. Rac1 a6 16. Qa5 Rd8 17. e5 Qd7 18. Bg5 h6 19. Bxf6 Bxf6 20. exf6 Kh7 21. Na4 Bc6 22. Nc5 1-0

[Event "NWC June"]
[Site "Seattle"]
[Date "1992.??.??"]
[Round "?"]
[White "Dana, Eric"]
[Black "Hatala, John P"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "79"]
[EventDate "1992.06.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Nc3 Bg7 5. Bc4 d6 6. 0-0 e6 7. d3 Nge7 8. Qe1 0-0 9. Qh4 Nd4 10. f5 Nec6 11. Bg5 f6 12. Bh6 gxf5 13. Nxd4 Nxd4 14. Qg3 Rf7 15. Bf4 b5 16. Bxb5 Nxb5 17. Nxb5 e5 18. Bc1 f4 19. Qh4 Qd7 20. c4 f5 21. Nc3 Bb7 22. a3 a5 23. b3 Rb8 24. Bd2 Bf6 25. Qh3 Rg7 26. Rab1 Kh8 27. b4 axb4 28. axb4 cxb4 29. Rxb4 Rbg8 30. Rf2 Bd8 31. Nd5 Rg4 32. Bc3 Bxd5 33. cxd5 Ba5 34. Rb3 Bxc3 35. Rxc3 Qa7 36. Rcc2 fxe4 37. dxe4 Qa1+ 38. Rf1 Qd4+ 39. Kh1 Qxe4 40. Rfc1 0-1

[Event "NWC June"]
[Site "Seattle"]
[Date "1992.??.??"]
[Round "?"]
[White "Harmon, Clark R"]
[Black "Hatala, John P"]
[Result "0-1"]
[ECO "E48"]
[WhiteElo "2235"]
[PlyCount "108"]
[EventDate "1992.06.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nge2 cxd4 7. exd4 d5 8. 0-0 0-0 9. a3 Be7 10. Bf4 b6 11. b4 dxc4 12. Bxc4 Bb7 13. Qd3 Re8 14. Rfd1 Bf8 15. d5 exd5 16. Nxd5 Nxd5 17. Bxd5 Qf6 18. Be4 h6 19. Qf3 Nd4 20. Nxd4 Rxe4 21. Be3 Qg6 22. Qf5 Rxd4 23. Qxg6 Rxd1+ 24. Rxd1 fxg6 25. Rd7 Bc6 26. Rc7 Bd5 27. Bd4 Re8 28. f3 Re7 29. Rc8 Rd7 30. Be5 Kf7 31. Kf2 Be7 32. Ke3 Bg5+ 33. Kf2 Bf6 34. Bb8 Bb2 35. a4 Ba3 36. b5 Bc5+ 37. Kg3 Bb3 38. a5 Bc4 39. Bxa7 Bd6+ 40. Kf2 Rxa7 41. axb6 Ra2+ 42. Ke3 Bxb5 43. b7 Bf1 44. Rd8 Rb2 45. Rxd6 Rxb7 46. Kf2 Bc4 47. g4 Rb3 48. Rd7+ Kf6 49. h4 Rd3 50. Ra7 Bd5 51. g5+ hxg5 52. hxg5+ Kxg5 53. Ke2 Rxf3 54. Ra5 Rf5 0-1

[Event "NWC June"]
[Site "Seattle"]
[Date "1992.??.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Haessler, Carl A"]
[Result "1-0"]
[ECO "C40"]
[BlackElo "2240"]
[PlyCount "97"]
[EventDate "1992.06.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. Nc4 fxe4 5. Nc3 Qe6 6. Ne3 c6 7. d3 Bb4 8. dxe4 Nf6 9. Bd2 b5 10. Bd3 0-0 11. 0-0 Bxc3 12. Bxc3 Nxe4 13. Bxe4 Qxe4 14. Qd6 Re8 15. Rae1 Re6 16. Qc7 Na6 17. Qd8+ Re8 18. Qg5 Qg6 19. Qh4 d6 20. f4 Qf7 21. f5 b4 22. Bxb4 Nxb4 23. Qxb4 d5 24. Qc5 Bd7 25. Rf4 Qe7 26. Qxe7 Rxe7 27. Kf2 Rae8 28. g4 Kf7 29. Ra4 Bc8 30. Ng2 Kf6 31. Rxa7 Rxa7 32. Rxe8 Bd7 33. Rd8 Ke7 34. Rg8 Kf7 35. Rd8 Ke7 36. Rb8 Rxa2 37. Nf4 Ra5 38. Kf3 d4 39. Nd3 h5 40. h3 hxg4+ 41. hxg4 Kd6 42. Rd8 Ra7 43. Ke4 Ke7 44. Rg8 Kf7 45. Rb8 Kf6 46. Kf4 Ra5 47. g5+ Ke7 48. Rb7 Kd6 49. Ne5 1-0

[Event "NWC June"]
[Site "Seattle"]
[Date "1992.??.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Lapham, William"]
[Result "1/2-1/2"]
[ECO "B51"]
[PlyCount "34"]
[EventDate "1992.06.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. 0-0 Bd7 5. c3 Nf6 6. Re1 a6 7. Ba4 c4 8. d4 cxd3 9. Qxd3 g6 10. Nbd2 Bg7 11. Nf1 0-0 12. Bc2 Rc8 13. Bd2 Qc7 14. Rac1 b5 15. Ne3 Na5 16. b3 e6 17. Nd4 Rfd8 1/2-1/2

[Event "NWC June"]
[Site "Seattle"]
[Date "1992.??.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Raptis, Nick"]
[Result "0-1"]
[ECO "C06"]
[PlyCount "108"]
[EventDate "1992.06.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 f6 9. exf6 Nxf6 10. 0-0 cxd4 11. cxd4 Bd6 12. b3 Qc7 13. Bb2 Bd7 14. Rc1 0-0 15. Ng3 Bf4 16. Rc2 Qd6 17. Re1 Nb4 18. Ba3 a5 19. Ne5 Bxg3 20. hxg3 Qb6 21. Nxd7 Nxd7 22. Bxb4 axb4 23. Qh5 Nf6 24. Qe5 Rfe8 25. Ree2 Rac8 26. Rxc8 Rxc8 27. f3 Rc3 28. Re3 Kf7 29. g4 h6 30. Kh2 Qc7 31. Qxc7+ Rxc7 32. Bb5 Ke7 33. Kg3 Kd6 34. Re2 g5 35. Kf2 h5 36. gxh5 Nxh5 37. Rd2 Nf6 38. Ke3 e5 39. g3 e4 40. f4 Rc3+ 41. Ke2 g4 42. Ke1 Rxg3 43. Rh2 Rf3 44. Rh6 Rxf4 45. Be2 Ke6 46. Rg6 Kf5 47. Rg7 b6 48. Kd2 Rf2 49. Ke3 Rh2 50. Ba6 Rh3+ 51. Ke2 Kf4 52. Rg6 Rh2+ 53. Kf1 Nh5 54. Rxb6 Kf3 0-1

[Event "NWC June"]
[Site "Seattle"]
[Date "1992.??.??"]
[Round "?"]
[White "Wood, Richard"]
[Black "Hatala, John P"]
[Result "1/2-1/2"]
[ECO "A03"]
[PlyCount "116"]
[EventDate "1992.06.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. f4 c5 2. Nf3 Nc6 3. e3 g6 4. Be2 Bg7 5. d4 d5 6. 0-0 Nf6 7. c3 0-0 8. Ne5 Qc7 9. Qe1 e6 10. Nd2 b6 11. Qh4 Ne7 12. g4 Bb7 13. Rf3 Ne4 14. Rh3 h6 15. a4 Rad8 16. a5 f6 17. Nd3 Bc6 18. dxc5 Nxc5 19. b3 Ne4 20. Nxe4 dxe4 21. Nf2 g5 22. Qg3 Ng6 23. Nh1 Bb7 24. Bc4 Bd5 25. Ba3 Rf7 26. f5 exf5 27. gxf5 Ne5 28. Bxd5 Rxd5 29. axb6 axb6 30. Bb4 Qd7 31. Ra8+ Kh7 32. Nf2 Qxf5 33. c4 Rdd7 34. Bc3 Nf3+ 35. Kh1 Rf8 36. Ra1 Rdd8 37. Rf1 Nd2 38. Rg1 Nxb3 39. Ng4 Nd2 40. Bxf6 Qf3+ 41. Qxf3 Nxf3 42. Bxd8 Rxd8 43. Rb1 Rd2 44. c5 bxc5 45. Nxh6 Bxh6 46. Rb7+ Kg6 47. Rb6+ Kf5 48. Rhxh6 Rc2 49. Rbd6 Re2 50. Rd5+ Kg4 51. Rxc5 Nh4 52. Rc1 Kh3 53. Rh5 Kg4 54. Rh8 Kh3 55. Rh5 Kg4 56. Rh8 Kf3 57. Rg8 Kg4 58. Rg1+ Kf3 1/2-1/2

[Event "Portland op"]
[Site "Portland"]
[Date "1991.??.??"]
[Round "3"]
[White "Darling, Lance"]
[Black "Hatala, John P"]
[Result "0-1"]
[ECO "B84"]
[PlyCount "142"]
[EventDate "1991.??.??"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Qc7 8. Be3 b5 9. a3 Bb7 10. Bf3 Nbd7 11. Nde2 Be7 12. Re1 0-0 13. Ng3 Rac8 14. Qd4 Ne5 15. Be2 d5 16. exd5 Nxd5 17. Nxd5 Bxd5 18. Bf4 Nc6 19. Qd2 Qb6 20. Bd3 Rfd8 21. Bg5 f6 22. Be3 Qb7 23. Qe2 Ne5 24. f4 Nxd3 25. cxd3 Bb3 26. Rac1 Qd5 27. d4 Rc4 28. Rxc4 Bxc4 29. Qf2 g6 30. Nf1 Bxf1 31. Qxf1 Qb3 32. Re2 Rc8 33. h3 Qd5 34. g3 Bd8 35. Qg2 Qxg2+ 36. Kxg2 Bb6 37. Kf3 Rc6 38. Rd2 Rd6 39. g4 f5 40. Bf2 Kf7 41. g5 Ke7 42. Ke2 Rd5 43. Kd3 Kd7 44. Be3 Rd6 45. h4 Rc6 46. h5 gxh5 47. Rh2 Kd6 48. Rxh5 Rc7 49. Rh6 Kd5 50. Rh2 Rd7 51. Rh6 Bc7 52. Rh1 Bd6 53. Bd2 Rg7 54. Rh6 Rc7 55. Rh1 Ra7 56. Rh4 a5 57. Rh1 a4 58. Rc1 Rc7 59. Rh1 Bf8 60. Rh2 Rb7 61. Rh1 b4 62. axb4 Bxb4 63. Bc3 Bd6 64. Ke3 Rb3 65. Ra1 a3 66. Kd2 axb2 67. Rb1 Bxf4+ 68. Kc2 Rxc3+ 69. Kxc3 Bc1 70. Kd3 f4 71. Kc3 Ke4 0-1

[Event "Portland op"]
[Site "Portland"]
[Date "1991.??.??"]
[Round "1"]
[White "Fitch, Benjamin"]
[Black "Hatala, John P"]
[Result "1-0"]
[ECO "B50"]
[PlyCount "55"]
[EventDate "1991.??.??"]
[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 d6 3. Be2 e6 4. 0-0 Nf6 5. c3 Nc6 6. d3 Be7 7. Re1 0-0 8. Bf1 Bd7 9. d4 cxd4 10. cxd4 d5 11. Nc3 dxe4 12. Nxe4 Nb4 13. Nxf6+ Bxf6 14. Qb3 Qe7 15. Bd2 Nd5 16. Bc4 Bc6 17. Ne5 Qd6 18. Nxc6 Qxc6 19. Bxd5 Qxd5 20. Qxd5 exd5 21. Be3 Rac8 22. Rac1 Rfe8 23. Kf1 Rc4 24. b3 Rcc8 25. Rc5 Rxc5 26. dxc5 Bb2 27. c6 d4 28. Bxd4 1-0

[Event "NWC January-A"]
[Site "Seattle"]
[Date "1991.??.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Abero, Rodolfo"]
[Result "1/2-1/2"]
[ECO "B16"]
[PlyCount "37"]
[EventDate "1991.01.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Nf3 e6 8. Bf4 Bd6 9. Bg3 Bxg3 10. hxg3 Qb6 11. Qb3 Nd7 12. Be2 0-0-0 13. Qxb6 Nxb6 14. 0-0-0 Rhe8 15. Rhe1 Nd7 16. Nh4 Bg6 17. g4 e5 18. Bf3 c5 19. Re3 1/2-1/2

[Event "NWC January-A"]
[Site "Seattle"]
[Date "1991.??.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Warner, Ted"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "81"]
[EventDate "1991.01.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 c6 7. a4 b6 8. h3 Ba6 9. Re1 Re8 10. Bf4 Bxe2 11. Qxe2 Nbd7 12. e5 dxe5 13. dxe5 Nd5 14. Nxd5 cxd5 15. e6 Nc5 16. exf7+ Kxf7 17. Ng5+ Kg8 18. Ne6 Qd7 19. Nc7 Rf8 20. Be5 Bxe5 21. Qxe5 Rf5 22. Qxe7 Rc8 23. Qxd7 Nxd7 24. Nb5 Rcf8 25. f3 a6 26. Nd4 R5f6 27. Re7 R6f7 28. Rae1 Rxe7 29. Rxe7 Nc5 30. b3 Rf6 31. Rc7 h5 32. a5 Rf4 33. Ne2 Rb4 34. axb6 Ne6 35. Rc6 Kf7 36. Nc3 d4 37. Nd5 Rb5 38. Nc7 d3 39. Nxb5 Nd4 40. Rc7+ Kf8 41. b7 1-0

[Event "NWC January-A"]
[Site "Seattle"]
[Date "1991.??.??"]
[Round "?"]
[White "Kelley, Don"]
[Black "Hatala, John P"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "30"]
[EventDate "1991.01.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 b5 7. Bb3 Bb7 8. 0-0 Nbd7 9. f4 Nxe4 10. Nxe4 Bxe4 11. Re1 Nc5 12. Qe2 d5 13. Be3 e6 14. Nxb5 axb5 15. Bxc5 Bxc5+ 0-1

[Event "NWC January-A"]
[Site "Seattle"]
[Date "1991.??.??"]
[Round "?"]
[White "Lapham, William"]
[Black "Hatala, John P"]
[Result "1/2-1/2"]
[ECO "B85"]
[PlyCount "49"]
[EventDate "1991.01.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Be7 7. 0-0 0-0 8. Kh1 a6 9. a4 Nc6 10. f4 Qc7 11. Be3 Nxd4 12. Qxd4 e5 13. Qd2 exf4 14. Rxf4 Be6 15. Raf1 Rac8 16. Bd3 Nd7 17. Nd5 Bxd5 18. exd5 Bg5 19. Rc4 Bxe3 20. Qxe3 Qd8 21. Qh3 g6 22. Rh4 Nf6 23. c4 Qe7 24. Qg3 Nd7 25. Bf5 1/2-1/2

[Event "NWC January-A"]
[Site "Seattle"]
[Date "1991.??.??"]
[Round "?"]
[White "Polich, Duane"]
[Black "Hatala, John P"]
[Result "1-0"]
[ECO "A37"]
[PlyCount "69"]
[EventDate "1991.01.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. Nf3 e5 6. d3 Nge7 7. Ng5 0-0 8. 0-0 d6 9. Nd5 Rb8 10. Ne4 a6 11. Bg5 h6 12. Ndf6+ Kh8 13. f4 hxg5 14. fxg5 Bf5 15. g4 Bxf6 16. gxf6 Bxe4 17. Bxe4 Kh7 18. Qe1 Rh8 19. Qh4+ Kg8 20. Qg5 Qf8 21. fxe7 Qxe7 22. Rf6 Rh7 23. Raf1 Nd4 24. Bd5 Nxe2+ 25. Kg2 Nf4+ 26. R1xf4 exf4 27. Rxg6+ Kh8 28. Qxe7 fxg6 29. Qxd6 Re8 30. Qf6+ Rg7 31. Qxf4 Rge7 32. Qh6+ Rh7 33. Qxg6 Rhe7 34. Qf6+ Rg7 35. h4 1-0

[Event "NWC January-A"]
[Site "Seattle"]
[Date "1991.??.??"]
[Round "?"]
[White "Turner, Mark"]
[Black "Hatala, John P"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "75"]
[EventDate "1991.01.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nc3 g6 4. Bc4 Bg7 5. Nf3 d6 6. 0-0 e6 7. d3 Nge7 8. Qe1 h6 9. a3 Nd4 10. Qf2 0-0 11. h3 Nec6 12. Ba2 Rb8 13. Nd1 b5 14. Ne1 b4 15. axb4 cxb4 16. c3 bxc3 17. bxc3 Nb3 18. Rb1 Nxc1 19. Rxc1 Qb6 20. Ne3 Kh7 21. Nf3 Ba6 22. Rfd1 Qa5 23. d4 Qa3 24. Bc4 Bb7 25. Qc2 Ba8 26. Rd2 Na5 27. Rdd1 Nxc4 28. Nxc4 Qa6 29. Ne3 Qc6 30. e5 Rfc8 31. exd6 Qxd6 32. Ne5 f6 33. Qxg6+ Kg8 34. N3g4 Rc7 35. Nxf6+ Kf8 36. Nh7+ Kg8 37. Ng4 Qc6 38. Rd2 1-0

[Event "NWC April"]
[Site "Seattle"]
[Date "1990.??.??"]
[Round "?"]
[White "Crispin, Thomas A"]
[Black "Hatala, John P"]
[Result "1/2-1/2"]
[ECO "E20"]
[PlyCount "35"]
[EventDate "1990.04.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 Bxc3+ 6. bxc3 Nh5 7. g3 f5 8. e4 f4 9. dxe6 d6 10. Ne2 Qf6 11. Qxd6 Nc6 12. Bxf4 Bxe6 13. Bg5 Qe5 14. Rd1 Qxd6 15. Rxd6 Bxc4 16. g4 Ne5 17. Bg2 Nf7 18. Rd2 1/2-1/2

[Event "NWC April"]
[Site "Seattle"]
[Date "1990.??.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Joseph, Manuel"]
[Result "0-1"]
[ECO "A04"]
[PlyCount "67"]
[EventDate "1990.04.??"]
[EventType "tourn"]
[EventRounds "7"]
[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. d3 Nc6 4. g3 Nge7 5. Bg2 g6 6. 0-0 Bg7 7. c3 0-0 8. Re1 h6 9. Nbd2 d6 10. Qc2 Rb8 11. Nf1 e5 12. a3 Be6 13. b4 b5 14. Be3 Qb6 15. N3d2 f5 16. Nb3 Qa6 17. bxc5 d5 18. f3 g5 19. Bf2 Qa4 20. Nfd2 fxe4 21. fxe4 d4 22. cxd4 exd4 23. Reb1 Rf7 24. Rb2 Rbf8 25. Be1 Ng6 26. Nc1 Qxc2 27. Rxc2 Nge5 28. h3 h5 29. Rb1 a6 30. Bf1 Bh6 31. Kg2 g4 32. h4 Bxd2 33. Bxd2 Rxf1 34. Bf4 0-1

[Event "NWC April"]
[Site "Seattle"]
[Date "1990.??.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Motamedi, GH."]
[Result "1-0"]
[ECO "C42"]
[PlyCount "131"]
[EventDate "1990.04.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 4. Qe2 Qe7 5. Qxe4 d6 6. d4 dxe5 7. dxe5 Nc6 8. Nc3 Qxe5 9. Qxe5+ Nxe5 10. Nb5 Bd6 11. Nxd6+ cxd6 12. Be3 0-0 13. 0-0-0 Rd8 14. f4 Nc6 15. c3 Bg4 16. Rd2 Rac8 17. Kb1 d5 18. Bd3 a6 19. h3 Bd7 20. Bc2 Re8 21. Bb6 Ne7 22. Re1 Rc6 23. Rde2 Re6 24. Rxe6 fxe6 25. Bd4 Rf8 26. Bc5 Re8 27. Bxe7 Rxe7 28. Re5 g6 29. Kc1 Kf7 30. Kd2 Kf6 31. Ke3 Bb5 32. h4 Rc7 33. g4 Bd7 34. h5 b5 35. Bd3 a5 36. g5+ Kf7 37. hxg6+ hxg6 38. Kd4 Rc8 39. Re2 Rh8 40. Ke5 Rh3 41. Bc2 b4 42. cxb4 Bb5 43. Rf2 axb4 44. Kd4 Bd7 45. Kc5 Rh4 46. b3 Bc8 47. Kxb4 e5 48. Kc5 Rxf4 49. Rxf4+ exf4 50. Kxd5 f3 51. Kd6 f2 52. Bd3 Bh3 53. b4 f1Q 54. Bxf1 Bxf1 55. a4 Ke8 56. Kc7 Ke7 57. b5 Ke6 58. b6 Ba6 59. b7 Bxb7 60. Kxb7 Kf5 61. a5 Kxg5 62. a6 Kf4 63. a7 g5 64. a8Q g4 65. Qa1 Kf3 66. Qg1 1-0

[Event "NWC October op"]
[Site "Seattle"]
[Date "1990.??.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Pupols, Viktors"]
[Result "0-1"]
[ECO "C06"]
[BlackElo "2210"]
[PlyCount "122"]
[EventDate "1990.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Rb8 8. f4 g6 9. Nf3 b5 10. g4 h5 11. gxh5 Rxh5 12. Ng3 Rh8 13. h4 c4 14. Bc2 Nb6 15. h5 gxh5 16. Nxh5 Kd7 17. Ng5 Qe7 18. Qf3 Kc7 19. Nf6 Rxh1+ 20. Qxh1 Bg7 21. Qh7 Bxf6 22. exf6 Qxf6 23. Qxf7+ Qxf7 24. Nxf7 Bd7 25. Be3 b4 26. Kd2 Rf8 27. Ne5 Rh8 28. Rf1 Bc8 29. Nxc6 bxc3+ 30. bxc3 Kxc6 31. Ke2 Bd7 32. Bc1 Kc7 33. Ba3 Ba4 34. Bb1 Rh3 35. Bb4 Bd7 36. Rf3 Rh5 37. Ba5 Kd6 38. Bxb6 axb6 39. Bg6 Rh6 40. Bc2 Ke7 41. Rf2 Rh8 42. f5 exf5 43. Bxf5 Bxf5 44. Rxf5 Kd6 45. Rf6+ Kc7 46. Rf7+ Kc6 47. Rf6+ Kb5 48. Rd6 Rh2+ 49. Kd1 Rxa2 50. Rxd5+ Ka4 51. Rd6 Kb3 52. Rxb6+ Kxc3 53. d5 Kd3 54. Ke1 Ra1+ 55. Kf2 Ra5 56. Ke1 c3 57. d6 c2 58. Rc6 Re5+ 59. Kf2 Kd2 60. d7 Rf5+ 61. Kg3 Rd5 0-1

[Event "NWC April"]
[Site "Seattle"]
[Date "1990.??.??"]
[Round "?"]
[White "Schroeder, James R"]
[Black "Hatala, John P"]
[Result "1/2-1/2"]
[ECO "B50"]
[PlyCount "28"]
[EventDate "1990.04.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. e5 dxe5 5. Bb5+ Bd7 6. Qe2 a6 7. Bxd7+ Nbxd7 8. Nxe5 Nxe5 9. Qxe5 e6 10. d3 Bd6 11. Qe2 0-0 12. Bg5 Be7 13. 0-0 Nd5 14. Bxe7 Nxe7 1/2-1/2

[Event "NWC April"]
[Site "Seattle"]
[Date "1990.??.??"]
[Round "?"]
[White "Wood, Richard"]
[Black "Hatala, John P"]
[Result "1/2-1/2"]
[ECO "A02"]
[PlyCount "57"]
[EventDate "1990.04.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. f4 c5 2. Nf3 Nc6 3. e3 Nf6 4. Be2 g6 5. 0-0 Bg7 6. d4 d5 7. c3 0-0 8. Qe1 b6 9. Nbd2 e6 10. a4 Bb7 11. Qh4 Ne4 12. Qh3 Qe7 13. Bd3 Nxd2 14. Bxd2 f6 15. Rae1 Rae8 16. e4 dxe4 17. Bxe4 Qd6 18. dxc5 Qxc5+ 19. Be3 Qe7 20. Bf2 Qc7 21. Bg3 Bc8 22. f5 e5 23. Bf2 gxf5 24. Bxf5 Bxf5 25. Qxf5 Ne7 26. Qh5 Ng6 27. Nh4 Nxh4 28. Bxh4 Qd7 29. Qd1 1/2-1/2

[Event "NWC September op"]
[Site "Seattle"]
[Date "1989.??.??"]
[Round "?"]
[White "Schoffstoll, Karl"]
[Black "Hatala, John P"]
[Result "1-0"]
[ECO "B50"]
[PlyCount "67"]
[EventDate "1989.09.??"]
[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 d6 3. Be2 Nc6 4. c3 Nf6 5. d4 cxd4 6. cxd4 Nxe4 7. d5 Qa5+ 8. Nc3 Nxc3 9. bxc3 Nb8 10. 0-0 Nd7 11. c4 Nc5 12. Nd4 g6 13. Bd2 Qd8 14. Bc3 Ne4 15. Bb2 Nf6 16. g4 h6 17. h4 Bg7 18. Kg2 Bd7 19. Re1 0-0 20. g5 Nh7 21. f4 hxg5 22. hxg5 e5 23. dxe6 fxe6 24. Bg4 e5 25. Be6+ Kh8 26. Rh1 Bxe6 27. Nxe6 Qe7 28. Qd5 Rae8 29. Nxf8 Bxf8 30. c5 Qd7 31. Bxe5+ Rxe5 32. fxe5 Qg4+ 33. Kf2 dxe5 34. Rxh7+ 1-0

[Event "NWC April op"]
[Site "Seattle"]
[Date "1988.??.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Martin, Roger J"]
[Result "1/2-1/2"]
[ECO "B15"]
[PlyCount "65"]
[EventDate "1988.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bg4 7. Be2 Bd6 8. 0-0 0-0 9. h3 Bh5 10. Re1 Nd7 11. Nh4 Bg6 12. Bc4 Re8 13. Rxe8+ Qxe8 14. Nxg6 hxg6 15. Qe2 Nb6 16. Bd2 Nxc4 17. Qxc4 Qe6 18. Qd3 Re8 19. Kf1 Qe4 20. Qxe4 Rxe4 21. c3 Kf8 22. Re1 Re6 23. Be3 Bb8 24. Ke2 Ke7 25. Kd3 Kd7 26. a4 Bc7 27. Bd2 a6 28. Be3 Bf4 29. Re2 Bc7 30. Re1 Bf4 31. Re2 Bc7 32. Bd2 Bd6 33. Be3 1/2-1/2

[Event "NWC April op"]
[Site "Seattle"]
[Date "1988.??.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Montchalin, Michael"]
[Result "0-1"]
[ECO "B17"]
[PlyCount "58"]
[EventDate "1988.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bc4 e6 6. Nf3 Ndf6 7. Nxf6+ Nxf6 8. Ne5 Bd6 9. 0-0 Qc7 10. Re1 b5 11. Bd3 Bb7 12. Qe2 0-0-0 13. Bd2 Nd5 14. c3 f6 15. Nf3 g5 16. a4 Kb8 17. g3 h5 18. axb5 cxb5 19. Bxb5 h4 20. c4 hxg3 21. fxg3 g4 22. cxd5 gxf3 23. Qxf3 Bxd5 24. Qf2 Rdg8 25. Re3 Rh3 26. Rc1 Rgxg3+ 27. Kf1 Qb7 28. Bd3 Rxe3 29. Bxe3 Rf3 0-1

[Event "US Open-88"]
[Site "Portland"]
[Date "1987.08.04"]
[Round "3"]
[White "Hatala, John P"]
[Black "Becker, Richard"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2228"]
[BlackElo "2087"]
[PlyCount "82"]
[EventDate "1987.08.02"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 Nc6 6. Bc4 Qd8 7. Nb3 cxd4 8. Nbxd4 Nxd4 9. Nxd4 a6 10. 0-0 b5 11. Bb3 Bc5 12. Qf3 Ra7 13. Qc6+ Rd7 14. Nxe6 fxe6 15. Qxc5 Nf6 16. Bxe6 Rc7 17. Qf5 g6 18. Qe5 Re7 19. Qxf6 Rf8 20. Qh4 Rxe6 21. Bg5 Qc7 22. Rad1 h5 23. Rfe1 Rf5 24. Qd4 Rfe5 25. Qd8+ Qxd8 26. Rxd8+ Kf7 27. Rxe5 Rxe5 28. Be3 Be6 29. Ra8 Rd5 30. Kf1 Rd6 31. a3 Bf5 32. c3 Ke6 33. Bf4 Rd1+ 34. Ke2 Rb1 35. Rxa6+ Kd5 36. b4 Kc4 37. Bd2 Kb3 38. Rb6 Kc2 39. Rxb5 Bd3+ 40. Ke3 Bxb5 41. h3 Rd1 0-1

[Event "Oregon-ch"]
[Site "Portland"]
[Date "1987.??.??"]
[Round "?"]
[White "Arganian, David H"]
[Black "Hatala, John P"]
[Result "1/2-1/2"]
[ECO "B90"]
[PlyCount "81"]
[EventDate "1987.02.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Qc7 8. a4 b6 9. Nd2 Be6 10. Be2 Be7 11. Bf3 0-0 12. Nd5 Nxd5 13. exd5 Bf5 14. c4 a5 15. Rc1 Na6 16. 0-0 Nc5 17. Bxc5 bxc5 18. Rc3 Rab8 19. b3 Rb6 20. Re1 Bd7 21. Be4 f5 22. Bc2 Bf6 23. Rh3 g6 24. Qe2 Rbb8 25. Kh1 Rbe8 26. Nf1 Bc8 27. f4 e4 28. Ne3 Bd4 29. Bd1 Bxe3 30. Rxe3 Rf7 31. Qd2 Rfe7 32. Qc3 Qb6 33. Kg1 Qb4 34. Qxb4 cxb4 35. Bc2 Kf7 36. Kf2 Kf6 37. Rg3 Rg8 38. Ke3 Rgg7 39. Kd4 Rc7 40. Rf1 Rc5 41. Re3 1/2-1/2

[Event "Oregon-ch"]
[Site "Portland"]
[Date "1987.??.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Crispin, Thomas A"]
[Result "1/2-1/2"]
[ECO "C06"]
[PlyCount "80"]
[EventDate "1987.02.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 a5 9. f4 h5 10. Nf3 g6 11. g3 Be7 12. h3 Nb6 13. Kf2 Bd7 14. g4 Qc7 15. Ng5 a4 16. Kg2 Nb4 17. Bb1 Rc8 18. a3 Nc2 19. Ra2 Qc4 20. Nf3 hxg4 21. hxg4 Rxh1 22. Kxh1 Bb5 23. Nc3 Nxa3 24. bxa3 Qxc3 25. Rc2 Qb3 26. Rxc8+ Nxc8 27. Bc2 Qc4 28. f5 gxf5 29. gxf5 Nb6 30. fxe6 fxe6 31. Ng5 Bxg5 32. Bxg5 Kd7 33. Bg6 Qe2 34. Qxe2 Bxe2 35. Kg2 Nc4 36. Kf2 Bg4 37. Bc1 Bf5 38. Bh5 Bc2 39. Be2 b5 40. Bxc4 dxc4 1/2-1/2

[Event "Oregon-ch"]
[Site "Portland"]
[Date "1987.??.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Heywood, Bill"]
[Result "1/2-1/2"]
[ECO "A07"]
[PlyCount "43"]
[EventDate "1987.02.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 g6 4. Ngf3 Bg7 5. g3 dxe4 6. dxe4 Nf6 7. Bg2 0-0 8. 0-0 Qb6 9. Re1 Rd8 10. c3 Na6 11. Qc2 Nc5 12. Bf1 Ne6 13. a4 Qc7 14. a5 Bd7 15. Nc4 b5 16. axb6 axb6 17. Be3 c5 18. Nce5 Be8 19. Bc4 b5 20. Bxe6 fxe6 21. Ng5 h6 22. Ngf3 1/2-1/2

[Event "Oregon-ch"]
[Site "Portland"]
[Date "1987.??.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Montchalin, Michael"]
[Result "1/2-1/2"]
[ECO "A04"]
[PlyCount "82"]
[EventDate "1987.02.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 e6 6. 0-0 Nge7 7. c3 0-0 8. d4 d5 9. e5 Qb6 10. dxc5 Qc7 11. Bf4 Nxe5 12. Nxe5 Bxe5 13. Bxe5 Qxe5 14. Qd4 Qe2 15. Qd2 Qb5 16. b4 Qa4 17. Qd1 Qc6 18. Nd2 e5 19. f4 e4 20. Nb3 b6 21. Qe2 Qf6 22. c4 a5 23. cxd5 a4 24. d6 axb3 25. dxe7 Re8 26. Qxe4 Rxa2 27. Rae1 bxc5 28. bxc5 Be6 29. Qe5 Qxe7 30. c6 Qa7+ 31. Kh1 f6 32. Qxf6 Qf7 33. Rxe6 Qxe6 34. Qxe6+ Rxe6 35. Bd5 Kf7 36. Re1 Rc2 37. Bxe6+ Kf6 38. Bxb3 Rxc6 39. Re3 Rc1+ 40. Kg2 Rb1 41. g4 h5 1/2-1/2

[Event "Oregon-ch"]
[Site "Portland"]
[Date "1987.??.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Wood, Richard"]
[Result "1/2-1/2"]
[ECO "B16"]
[PlyCount "102"]
[EventDate "1987.02.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Nf3 Qc7 8. g3 Nd7 9. Bg2 Bg4 10. Qa4 h5 11. 0-0 Nb6 12. Qa5 Qd7 13. Nh4 Nc4 14. Qa4 Nd6 15. d5 cxd5 16. Qxd7+ Bxd7 17. Bxd5 Rc8 18. Be3 a6 19. Rad1 Bc6 20. Bxc6+ Rxc6 21. Rd3 e6 22. Rfd1 Be7 23. Nf3 e5 24. Rd5 Nc4 25. Bc1 Nb6 26. R5d2 Nc4 27. Re2 Rd6 28. Rde1 Rd3 29. Nh4 Bc5 30. Nf5 Rf3 31. Ne3 Nxe3 32. Bxe3 Bxe3 33. Rxe3 Rxe3 34. Rxe3 Ke7 35. Rd3 h4 36. Kg2 Ke6 37. c4 e4 38. Rb3 h3+ 39. Kf1 Rc8 40. Rc3 Ke5 41. Ke2 Kd4 42. g4 Rxc4 43. Rxc4+ Kxc4 44. Ke3 Kd5 45. f3 exf3 46. Kxf3 Ke5 47. Kg3 f5 48. Kxh3 fxg4+ 49. Kxg4 Ke4 50. Kg3 Ke3 51. Kg4 Ke4 1/2-1/2

[Event "Oregon-ch"]
[Site "Portland"]
[Date "1987.??.??"]
[Round "?"]
[White "Lapham, William"]
[Black "Hatala, John P"]
[Result "0-1"]
[ECO "B85"]
[PlyCount "57"]
[EventDate "1987.02.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 a6 7. a4 Be7 8. 0-0 0-0 9. f4 Nc6 10. Nb3 b6 11. Be3 Qc7 12. Qe1 Rb8 13. Rd1 Na5 14. Nxa5 bxa5 15. b3 d5 16. Bd4 Nxe4 17. Nxe4 dxe4 18. Qg3 f6 19. Bc4 Kh8 20. Rd2 Bc5 21. Qe3 Bxd4 22. Rxd4 f5 23. Rfd1 e5 24. Rd6 exf4 25. Qxf4 Bb7 26. Qg5 Bc6 27. h3 Rbe8 28. Be6 h6 29. Qf4 0-1

[Event "Oregon-ch"]
[Site "Portland"]
[Date "1987.??.??"]
[Round "?"]
[White "Stubenrauch, Steve"]
[Black "Hatala, John P"]
[Result "0-1"]
[ECO "B91"]
[PlyCount "82"]
[EventDate "1987.02.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 0-0 9. 0-0 Qc7 10. h3 b5 11. a3 Nbd7 12. g4 Nb6 13. Ng3 Re8 14. g5 Nfd7 15. Nf5 Bf8 16. Ne3 Bb7 17. h4 Nc5 18. h5 Ne6 19. Nf5 Rac8 20. Qg4 Nd4 21. Nxd4 exd4 22. Ne2 Qxc2 23. Nxd4 Qc5 24. Nf5 Nc4 25. g6 fxg6 26. hxg6 h6 27. b3 Ne5 28. Qh5 Re6 29. Be3 Qc7 30. Rac1 Qd8 31. Rxc8 Bxc8 32. Nd4 Rxg6 33. f4 Qe8 34. Kh1 Ng4 35. Bg1 Nf6 36. Qe2 Bb7 37. Re1 Rg4 38. Bh2 Qg6 39. f5 Rxg2 40. fxg6 Rxe2 41. Rxe2 Bxe4+ 0-1

[Event "Oregon-ch"]
[Site "Gresham"]
[Date "1986.??.??"]
[Round "?"]
[White "Collins, Jay Thomas"]
[Black "Hatala, John P"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "56"]
[EventDate "1986.02.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Nc3 Bg7 5. Bc4 d6 6. 0-0 e6 7. f5 exf5 8. d3 Nge7 9. Qe1 h6 10. Qg3 Ne5 11. Bb5+ Bd7 12. Bf4 Nxf3+ 13. Rxf3 Bxc3 14. Bxd7+ Qxd7 15. bxc3 0-0-0 16. exf5 Nxf5 17. Qf2 h5 18. d4 Qc6 19. Bg5 Rde8 20. c4 Nxd4 21. Rxf7 Re2 22. Qg3 Nf5 23. Qh3 Qe8 24. Qd3 Rxg2+ 25. Kxg2 Qxf7 26. a4 Re8 27. a5 Qe6 28. Kf2 Qe5 0-1

[Event "NWC August op"]
[Site "Seattle"]
[Date "1986.??.??"]
[Round "?"]
[White "Dana, Eric"]
[Black "Hatala, John P"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "103"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 c5 3. d5 e5 4. e4 d6 5. g3 g6 6. Bg2 Bg7 7. Nge2 0-0 8. 0-0 Nfd7 9. f4 exf4 10. gxf4 f5 11. exf5 gxf5 12. a4 Na6 13. Ng3 Nf6 14. Bh3 Ne8 15. Re1 Qh4 16. Qh5 Qxh5 17. Nxh5 Bxc3 18. bxc3 Bd7 19. Re7 Rd8 20. Rb1 b6 21. Bb2 c4 22. Ba3 Nac7 23. Bf1 Bxa4 24. Rbe1 Bxc2 25. R1e3 Rf7 26. Rg3+ Kf8 27. Rxf7+ Kxf7 28. Bxc4 Be4 29. Bb3 Bxd5 30. c4 Be6 31. Bb2 Na6 32. Bf6 Rd7 33. Ba4 Nc5 34. Bxd7 Nxd7 35. Bd8 Bxc4 36. Re3 Be6 37. Ng3 Nef6 38. h3 Nc5 39. Ra3 a6 40. Bxb6 Nfd7 41. Bc7 d5 42. Bd6 d4 43. Ra5 Ne4 44. Nxe4 fxe4 45. Ra4 Bxh3 46. Rxd4 Ke6 47. Kf2 Nf6 48. Be5 Bf5 49. Rd6+ Ke7 50. Rxf6 Bg4 51. Rxa6 h5 52. Rh6 1-0

[Event "Oregon-ch"]
[Site "Gresham"]
[Date "1986.??.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Crispin, Thomas A"]
[Result "1-0"]
[ECO "C07"]
[PlyCount "31"]
[EventDate "1986.02.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. b3 Bd7 12. Bb2 Qc7 13. Qe2 0-0-0 14. Nf3 Bd6 15. Ne5 Bc6 16. Nxf7 1-0

[Event "Oregon-ch"]
[Site "Gresham"]
[Date "1986.??.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Lapham, William"]
[Result "1/2-1/2"]
[ECO "B84"]
[PlyCount "42"]
[EventDate "1986.02.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. a4 Be7 8. 0-0 Bd7 9. Be3 Nc6 10. f4 Qc7 11. Nb3 Rc8 12. g4 h6 13. a5 Nb4 14. g5 hxg5 15. fxg5 d5 16. Bf4 Bd6 17. Qd2 Bxf4 18. Qxf4 Qxf4 19. Rxf4 Nxe4 20. Nxe4 dxe4 21. c3 Nd3 1/2-1/2

[Event "Oregon-ch"]
[Site "Gresham"]
[Date "1986.??.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Wood, Richard"]
[Result "0-1"]
[ECO "B16"]
[PlyCount "72"]
[EventDate "1986.02.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Nf3 e6 8. Be2 Bd6 9. 0-0 Qc7 10. g3 Nd7 11. Nh4 Bh3 12. Re1 0-0-0 13. Bg4 Bxg4 14. Qxg4 f5 15. Qf3 Rdg8 16. Ng2 h5 17. Bf4 h4 18. Bxd6 Qxd6 19. Qf4 Qf8 20. Ne3 Rh5 21. Nc4 Rg4 22. Qf3 Qh6 23. Nd6+ Kc7 24. Nxf7 Qg6 25. Ne5 Nxe5 26. Rxe5 hxg3 27. fxg3 Rgh4 28. Rxe6 Qxe6 29. gxh4 Rh8 30. b3 Rg8+ 31. Kh1 Rg4 32. Rf1 f4 33. Qf2 Qd5+ 34. Qf3 Rxh4 35. Rf2 Qh5 36. Rg2 Qe8 0-1

[Event "Oregon-ch"]
[Site "Gresham"]
[Date "1986.??.??"]
[Round "?"]
[White "Heywood, Bill"]
[Black "Hatala, John P"]
[Result "1/2-1/2"]
[ECO "E18"]
[PlyCount "32"]
[EventDate "1986.02.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. c4 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Nxe4 Bxe4 9. Ne1 Bxg2 10. Nxg2 d5 11. Qd3 Nd7 12. Bf4 Nf6 13. Rac1 c5 14. Rfd1 Rc8 15. dxc5 Bxc5 16. Qf3 Qe7 1/2-1/2

[Event "Oregon-ch"]
[Site "Gresham"]
[Date "1986.??.??"]
[Round "?"]
[White "Montchalin, Michael"]
[Black "Hatala, John P"]
[Result "1-0"]
[ECO "A37"]
[PlyCount "92"]
[EventDate "1986.02.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. a3 a5 7. d3 d6 8. Nd5 Nce7 9. Ng5 f6 10. Nxe7 Nxe7 11. Ne4 0-0 12. h4 Be6 13. Qb3 Qd7 14. h5 a4 15. Qd1 b6 16. hxg6 hxg6 17. Bh6 d5 18. cxd5 Bxd5 19. Qd2 Nf5 20. Bxg7 Nxg7 21. Qh6 Kf7 22. 0-0-0 Rh8 23. Qxh8 Rxh8 24. Rxh8 f5 25. Ng5+ Kf6 26. f4 exf4 27. gxf4 Qd6 28. Bxd5 Qxf4+ 29. Kb1 Qxg5 30. Rb8 Ke5 31. Bf3 Qf6 32. e3 Qd6 33. Rc8 Ne6 34. Rc6 Qd8 35. d4+ cxd4 36. exd4+ Kf4 37. Rxe6 Kxf3 38. Rxg6 f4 39. Re6 Kf2 40. d5 f3 41. d6 Kg2 42. Rg6+ Kh2 43. Rd2+ Kh1 44. Rd3 Qh4 45. Rd1+ Kh2 46. Rgg1 Qe4+ 1-0

[Event "Oregon-ch"]
[Site "Gresham"]
[Date "1986.??.??"]
[Round "?"]
[White "Morris, Mike"]
[Black "Hatala, John P"]
[Result "1/2-1/2"]
[ECO "B25"]
[PlyCount "81"]
[EventDate "1986.02.08"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 7. Nf3 Nge7 8. 0-0 0-0 9. Be3 exf4 10. Bxf4 h6 11. Qd2 Kh7 12. Rae1 Be6 13. Kh1 Ne5 14. Be3 b6 15. b3 Nxf3 16. Bxf3 d5 17. Nxd5 Nxd5 18. exd5 Bxd5 19. Qg2 Bxf3 20. Qxf3 Qd7 21. Re2 Rae8 22. Rfe1 Re6 23. Bd2 Rfe8 24. Re4 Rxe4 25. Rxe4 Rxe4 26. Qxe4 Qd4 27. Qxd4 cxd4 28. Kg2 f5 29. Bf4 g5 30. Bc7 b5 31. a4 a6 32. axb5 axb5 33. Kf3 Kg6 34. h3 Kf6 35. Ba5 Ke6 36. Bd2 Kd5 37. Bb4 Bf6 38. g4 Ke6 39. Bf8 h5 40. gxh5 Kf7 41. Bb4 1/2-1/2

[Event "Northwest Chess April op"]
[Site "Seattle"]
[Date "1985.04.??"]
[Round "?"]
[White "Collins, Jay Thomas"]
[Black "Hatala, John P"]
[Result "0-1"]
[ECO "B20"]
[PlyCount "58"]
[EventDate "1985.04.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. a4 e5 6. d3 Nge7 7. Be3 d5 8. Qd2 d4 9. Bh6 0-0 10. Bxg7 Kxg7 11. Na3 Be6 12. Nc4 Qd7 13. h4 h5 14. g4 Bxg4 15. Ng3 f6 16. Rg1 Kh7 17. Bf1 Be6 18. Be2 Bf7 19. f4 exf4 20. Qxf4 Bxc4 21. dxc4 Qe6 22. Nf5 gxf5 23. Qf3 Qf7 24. exf5 Ne5 25. Qf4 Rg8 26. 0-0-0 Rxg1 27. Rxg1 Rg8 28. Re1 Qg7 29. Qe4 Qg2 0-1

[Event "Northwest Chess April op"]
[Site "Seattle"]
[Date "1985.04.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Bell, Harry"]
[Result "1/2-1/2"]
[ECO "C41"]
[PlyCount "46"]
[EventDate "1985.04.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. Qe2 c6 8. a4 a5 9. Rd1 Qe8 10. dxe5 dxe5 11. h3 Bc5 12. Nh4 Nb6 13. Nf5 Be6 14. Bxe6 Qxe6 15. Be3 Nfd7 16. Bxc5 Nxc5 17. Rd6 Qc4 18. Qe3 f6 19. b3 Qb4 20. Rad1 Rae8 21. f3 Nc8 22. R6d2 Ne6 23. Ne2 Qb6 1/2-1/2

[Event "Northwest Chess April op"]
[Site "Seattle"]
[Date "1985.04.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Bricher, James"]
[Result "1/2-1/2"]
[ECO "C64"]
[PlyCount "58"]
[EventDate "1985.04.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 f5 5. d4 fxe4 6. Bxc6 dxc6 7. Nfd2 Bd6 8. dxe5 e3 9. fxe3 Bc5 10. Nf3 Qxd1+ 11. Kxd1 Bg4 12. Ke2 0-0-0 13. Nbd2 Nh6 14. Ne4 Bb6 15. Bd2 Rde8 16. Nf2 Bh5 17. Nd3 Nf7 18. h3 Bg6 19. Nf4 Be4 20. e6 Nd8 21. c4 Nxe6 22. Nxe6 Rxe6 23. Ng5 Re7 24. Nxe4 Rxe4 25. Kd3 Re7 26. Rhf1 Rd8+ 27. Ke2 Bd4 28. Rab1 Bf6 29. b3 Rde8 1/2-1/2

[Event "Northwest Chess April op"]
[Site "Seattle"]
[Date "1985.04.??"]
[Round "?"]
[White "Montchalin, Michael"]
[Black "Hatala, John P"]
[Result "0-1"]
[ECO "E48"]
[PlyCount "57"]
[EventDate "1985.04.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nge2 cxd4 7. exd4 d5 8. 0-0 dxc4 9. Bxc4 0-0 10. a3 Be7 11. Qd3 b6 12. Rd1 Bb7 13. b4 Rc8 14. Ba2 Re8 15. Bb2 Bf8 16. Qg3 Ne7 17. Rd3 Ned5 18. Rad1 Nxc3 19. Nxc3 Nd5 20. Bb1 Bd6 21. Qf3 Nxc3 22. Qxb7 Nxd1 23. Rxd1 Qh4 24. g3 Qh5 25. Re1 Rc7 26. Qe4 Rec8 27. b5 g6 28. Bd3 Qd5 29. Qe3 0-1

[Event "Northwest Chess May op"]
[Site "Seattle"]
[Date "1984.04.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Harmon, Leland"]
[Result "1-0"]
[ECO "B05"]
[PlyCount "59"]
[EventDate "1984.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 c6 6. Ng5 Bxe2 7. Qxe2 dxe5 8. dxe5 e6 9. 0-0 Nd7 10. c4 Ne7 11. b3 Ng6 12. Nf3 Qc7 13. Bb2 0-0-0 14. Rd1 Be7 15. g3 h5 16. h4 Ngf8 17. Nbd2 g5 18. hxg5 Ng6 19. Ne4 h4 20. Nd6+ Kb8 21. Nxf7 hxg3 22. fxg3 Bc5+ 23. Kg2 Rhf8 24. Nxd8 Qxd8 25. Qd3 Rxf3 26. Qxf3 Qxg5 27. Qe4 Kc7 28. Bc1 Nh4+ 29. Qxh4 Qxe5 30. Bf4 1-0

[Event "Northwest Chess May op"]
[Site "Seattle"]
[Date "1984.04.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Lapham, William"]
[Result "1/2-1/2"]
[ECO "C03"]
[PlyCount "31"]
[EventDate "1984.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 b6 4. c3 c5 5. Ngf3 Nf6 6. Bd3 Nc6 7. e5 Nd7 8. 0-0 cxd4 9. cxd4 Nb4 10. Be2 Ba6 11. Bxa6 Nxa6 12. Qe2 Nb4 13. Rd1 Be7 14. Nf1 Rc8 15. Bd2 0-0 16. Rac1 1/2-1/2

[Event "Northwest Chess May op"]
[Site "Seattle"]
[Date "1984.04.??"]
[Round "?"]
[White "Wood, Richard"]
[Black "Hatala, John P"]
[Result "1-0"]
[ECO "B26"]
[PlyCount "79"]
[EventDate "1984.05.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e5 7. Qd2 Nge7 8. Bh6 Bxh6 9. Qxh6 Nd4 10. Qd2 Qa5 11. Nge2 Bg4 12. Nxd4 cxd4 13. Nb1 Qxd2+ 14. Nxd2 Be6 15. f4 Rc8 16. Rc1 0-0 17. Nf3 f6 18. Kd2 Nc6 19. Rhf1 Kg7 20. c3 dxc3+ 21. bxc3 Na5 22. Rc2 Rc7 23. Rb1 Rd8 24. Rb5 b6 25. Ke3 Rdc8 26. Kd2 Rd8 27. Ke3 Rdc8 28. c4 Kf7 29. Bf1 Bd7 30. Rbb2 b5 31. fxe5 dxe5 32. Rf2 Rc5 33. cxb5 Bxb5 34. Ng5+ Ke7 35. Nxh7 R8c6 36. h4 Ba6 37. g4 Rc3 38. Kd2 Bc8 39. Nxf6 Nc4+ 40. dxc4 1-0

[Event "Northwest Chess November op"]
[Site "Seattle"]
[Date "1980.11.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Wolfe, Jerry"]
[Result "0-1"]
[ECO "C68"]
[PlyCount "74"]
[EventDate "1980.11.??"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 bxc6 5. d4 exd4 6. Qxd4 d6 7. 0-0 c5 8. Qd3 Ne7 9. Re1 f6 10. Nc3 Ng6 11. Be3 Be7 12. Qc4 Rb8 13. b3 Rb4 14. Qe2 0-0 15. Rad1 Qe8 16. Nd2 f5 17. exf5 Rxf5 18. a3 Rb8 19. Nc4 Bb7 20. Na5 Ba8 21. Qxa6 Ne5 22. Ne2 Rb6 23. Qa7 Qc8 24. Ng3 Rf8 25. Nc6 Rxc6 26. Qa5 Ra6 27. Qc3 Bf6 28. Qd2 Rxa3 29. Nh5 Qg4 30. Nxf6+ Rxf6 31. f4 Nf3+ 32. Kh1 Nxd2 33. Rxd2 Re6 34. h3 Qxh3+ 35. Kg1 Qg4 36. Ree2 Ra1+ 37. Kh2 Qh4# 0-1

[Event "Northwest Chess January op"]
[Site "Seattle"]
[Date "1979.01.??"]
[Round "?"]
[White "Hatala, John P"]
[Black "Schoffstoll, Karl"]
[Result "0-1"]
[ECO "C40"]
[PlyCount "62"]
[EventDate "1979.01.??"]
[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 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Nc3 Qg6 7. Ne3 Nf6 8. Be2 c6 9. f3 exf3 10. Bxf3 d5 11. Ne2 Bd6 12. c4 dxc4 13. Nxc4 Bb4+ 14. Bd2 Bxd2+ 15. Qxd2 0-0 16. 0-0-0 Nd5 17. Ne5 Qd6 18. Bxd5+ cxd5 19. Rhf1 Bf5 20. g4 Rc8+ 21. Nc3 Bg6 22. Qg5 Rxc3+ 23. bxc3 Qa3+ 24. Kd2 Qb2+ 25. Ke1 Qxc3+ 26. Rd2 Nc6 27. Nxg6 hxg6 28. Rff2 Re8+ 29. Kf1 Qh3+ 30. Rg2 Qf3+ 31. Rgf2 Qh1# 0-1

