[Event "Oregon Invitational"]
[Site "Portland"]
[Date "2016.02.15"]
[Round "9"]
[White "O'Connell, Sean"]
[Black "Jacobi, Gunther J"]
[Result "0-1"]
[ECO "B08"]
[BlackElo "1959"]
[PlyCount "86"]
[EventDate "2016.02.06"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 g6 2. e4 d6 3. d4 Bg7 4. Bc4 Nf6 5. Nbd2 0-0 6. 0-0 Nxe4 7. Nxe4 d5 8. Bd3 dxe4 9. Bxe4 Nd7 10. Bg5 h6 11. Be3 Nf6 12. Bd3 Nd5 13. Bd2 c5 14. dxc5 Qc7 15. Qc1 Kh7 16. c4 Nf6 17. Re1 Qxc5 18. b4 Qd6 19. Ne5 Ng4 20. Nxg4 Bxg4 21. Re3 Bxa1 22. Qxa1 Bf5 23. Bxf5 gxf5 24. Bc3 Rad8 25. Re1 f6 26. Qb1 e6 27. Qb3 e5 28. g3 Rg8 29. c5 Qd5 30. Qc2 Qd3 31. Qb2 Rg4 32. b5 Rc4 33. Re3 Qd1+ 34. Re1 Qf3 35. Ba5 Rd1 36. c6 Rxe1+ 37. Bxe1 bxc6 38. bxc6 Qxc6 39. Qb3 Kg7 40. Bd2 Rc2 41. Qe3 f4 42. gxf4 Rxa2 43. f5 Ra1+ 0-1

[Event "Oregon Invitational"]
[Site "Portland"]
[Date "2016.02.14"]
[Round "8"]
[White "Jacobi, Gunther J"]
[Black "Deeth, Steven B"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1959"]
[BlackElo "2081"]
[PlyCount "106"]
[EventDate "2016.02.06"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. h3 Qb6 6. Qb3 c4 7. Qxb6 axb6 8. Nf3 Bf5 9. Nbd2 h6 10. Be2 e6 11. 0-0 Be7 12. Ne5 0-0 13. Rfe1 Nxe5 14. dxe5 Nd7 15. e4 Bg6 16. exd5 exd5 17. Nf3 Nc5 18. Nd4 Ne6 19. Be3 Bc5 20. Red1 Rfd8 21. a3 Bxd4 22. Rxd4 Nxd4 23. Bxd4 b5 24. Re1 Re8 25. Bf3 Rad8 26. Re3 Bf5 27. g4 Bd3 28. h4 g5 29. Bg2 Re6 30. h5 Be4 31. Rxe4 dxe4 32. Bxe4 f6 33. Bxb7 fxe5 34. Be3 Kg7 35. Be4 Red6 36. Kg2 Rd2 37. Bf5 Rxb2 38. Kf3 Rb3 39. Ke4 Kf6 40. Bb6 Rd1 41. Bc7 Re1+ 42. Kd5 Rxa3 43. Bd8+ Kg7 44. Kc5 Rxc3 45. Kxb5 Rcc1 46. Ba5 Re2 47. f3 c3 48. Kb4 Re3 49. Be4 Rd1 50. Kb3 Rxe4 51. fxe4 Rd4 52. Bxc3 Rxe4 53. Kc2 Kf6 0-1

[Event "Oregon Invitational"]
[Site "Portland"]
[Date "2016.02.13"]
[Round "5"]
[White "Freeze, Gregory"]
[Black "Jacobi, Gunther J"]
[Result "0-1"]
[ECO "E04"]
[BlackElo "1959"]
[PlyCount "80"]
[EventDate "2016.02.06"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 c5 5. 0-0 Nc6 6. c4 dxc4 7. Qa4 Bd7 8. Qxc4 b5 9. Qd3 Nb4 10. Qd1 Rc8 11. a3 Nbd5 12. Re1 cxd4 13. Nxd4 Be7 14. e4 Nb6 15. Nc3 b4 16. axb4 Bxb4 17. Rxa7 0-0 18. Bg5 e5 19. Nde2 Be6 20. Qa1 Nc4 21. Rd1 Qb6 22. Bxf6 gxf6 23. Ra6 Qc7 24. Nd5 Bxd5 25. Rxd5 Nd6 26. Qa4 Qc4 27. Nc3 Bxc3 28. bxc3 Qxa4 29. Rxa4 Rc6 30. f4 Nc4 31. Ra1 Rb8 32. Rd3 Rcb6 33. Rad1 Kg7 34. Rd7 Ne3 35. R1d2 Rb1+ 36. Kf2 Nc4 37. Rd1 R8b2+ 38. Kf3 Rxd1 39. Rxd1 Rxg2 40. Kxg2 Ne3+ 0-1

[Event "Oregon Invitational"]
[Site "Portland"]
[Date "2016.02.13"]
[Round "6"]
[White "Jacobi, Gunther J"]
[Black "Surak, Steve S"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "1959"]
[PlyCount "71"]
[EventDate "2016.02.06"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. e3 c5 4. d4 Nf6 5. Nc3 a6 6. dxc5 Bxc5 7. cxd5 exd5 8. Be2 0-0 9. 0-0 Nc6 10. b3 Bg4 11. Bb2 Rc8 12. Rc1 Ba7 13. h3 Be6 14. Na4 Ne4 15. Bd3 b5 16. Nc3 f5 17. Ne2 Bb8 18. Nf4 Qd6 19. Bb1 g5 20. Rxc6 Rxc6 21. Qd4 Nc3 22. Bxc3 Rxc3 23. Nxg5 Qe5 24. Qxe5 Bxe5 25. Ngxe6 Rf6 26. Nd4 Bxf4 27. exf4 Kf7 28. Bxf5 h6 29. g3 Ke7 30. Re1+ Kd6 31. Re5 Rc1+ 32. Kg2 Ra1 33. Nc2 Rxa2 34. Nb4 Rd2 35. Nxa6 Rd4 36. Kf3 1-0

[Event "Oregon Invitational"]
[Site "Portland"]
[Date "2016.02.10"]
[Round "7"]
[White "Koontz, Carl A"]
[Black "Jacobi, Gunther J"]
[Result "0-1"]
[ECO "A29"]
[BlackElo "1959"]
[PlyCount "138"]
[EventDate "2016.02.06"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. d3 Bb4 4. Nf3 Nc6 5. g3 0-0 6. Bg2 d5 7. cxd5 Nxd5 8. Bd2 Nb6 9. 0-0 f6 10. a3 Be7 11. b4 Be6 12. Be3 Nd4 13. Nd2 c6 14. Nde4 f5 15. Nd2 Qd7 16. Bxd4 Qxd4 17. Rc1 Rad8 18. Qc2 Kh8 19. Nf3 Qd6 20. Rfd1 Bf6 21. Na4 Nxa4 22. Qxa4 a6 23. Qc2 g5 24. h3 Qe7 25. Qc5 Qg7 26. e3 Rd5 27. Qc2 Rfd8 28. Ne1 R5d7 29. a4 Qf7 30. Rb1 Bd5 31. Nf3 e4 32. Nd4 Bxd4 33. exd4 exd3 34. Rxd3 Bxg2 35. Kxg2 Qd5+ 36. Kh2 Qe4 37. Qc3 Kg8 38. Re1 Qd5 39. Qd2 h6 40. Qe3 Qf7 41. h4 Qf6 42. hxg5 hxg5 43. Kg2 Rh7 44. Rdd1 f4 45. Qe5 Rf8 46. f3 fxg3 47. Qe6+ Rhf7 48. Qxf6 Rxf6 49. Re5 Rf5 50. Rde1 Kg7 51. Re7+ R8f7 52. Kxg3 Rxf3+ 53. Kg4 R3f4+ 54. Kxg5 Rxd4 55. R1e4 Rd5+ 56. Kg4 Kg6 57. R4e6+ Kg7 58. Re4 Rd6 59. Kg5 Rg6+ 60. Kh5 Rg1 61. R4e6 Rh1+ 62. Kg5 Rg1+ 63. Kh5 Rgf1 64. Kg5 R1f5+ 65. Kg4 Rf4+ 66. Kg5 Rxb4 67. Re8 Rd7 68. Rg6+ Kf7 69. Reg8 Rd5+ 0-1

[Event "Oregon Invitational"]
[Site "Portland"]
[Date "2016.02.07"]
[Round "4"]
[White "Jacobi, Gunther J"]
[Black "Sherrard, Jerry"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1959"]
[BlackElo "1965"]
[PlyCount "76"]
[EventDate "2016.02.06"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. dxc5 Qa5+ 4. Nd2 Qxc5 5. e3 Nc6 6. Ngf3 g6 7. Be2 Bg7 8. c3 d6 9. 0-0 Bg4 10. h3 Bxf3 11. Bxf3 0-0 12. e4 Ne5 13. Be2 Ned7 14. Be3 Qc6 15. Bf3 Ne5 16. Be2 Nxe4 17. Nb3 Qc7 18. Re1 Nc5 19. f4 Ned7 20. Bf3 Nb6 21. Qe2 e6 22. Rad1 Nxb3 23. axb3 d5 24. Qb5 Qc6 25. Qb4 Rfd8 26. Ra1 Bf8 27. Qa5 Qd6 28. Qb5 Bh6 29. Rxa7 Rxa7 30. Bxb6 Ra2 31. Bxd8 Qxd8 32. f5 gxf5 33. Qxb7 Rxb2 34. Bh5 Qf6 35. Qb8+ Kg7 36. Qg3+ Qg5 37. Qf3 Rxb3 38. Ra1 Qe3+ 0-1

[Event "Oregon Invitational"]
[Site "Portland"]
[Date "2016.02.06"]
[Round "2"]
[White "Heywood, Bill"]
[Black "Jacobi, Gunther J"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2086"]
[BlackElo "1959"]
[PlyCount "49"]
[EventDate "2016.02.06"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 c5 5. 0-0 Nc6 6. c3 Be7 7. dxc5 Bxc5 8. Nbd2 0-0 9. Qc2 e5 10. b4 Bd6 11. b5 Ne7 12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 Bf5 15. Qe2 Qc7 16. Bd2 f6 17. Rfe1 Rad8 18. a4 Bc5 19. Qc4+ Kh8 20. Be3 Rc8 21. Qxc5 Qxc5 22. Bxc5 Rxc5 23. Nd2 Rd8 24. Nf1 b6 25. Red1 1/2-1/2

[Event "Oregon Invitational"]
[Site "Portland"]
[Date "2016.02.06"]
[Round "1"]
[White "Jacobi, Gunther J"]
[Black "Rachmuth, Moshe Shai"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1959"]
[PlyCount "106"]
[EventDate "2016.02.06"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nc3 Nf6 2. e4 d6 3. d4 g6 4. Nf3 Bg7 5. h3 c6 6. a4 Nbd7 7. e5 dxe5 8. dxe5 Nd5 9. Nxd5 cxd5 10. Qxd5 Nxe5 11. Bb5+ Nc6 12. Qxd8+ Kxd8 13. 0-0 Kc7 14. Re1 Bf6 15. Bf4+ Kb6 16. Ng5 Bxg5 17. Bxg5 Be6 18. c3 a6 19. Bf1 Rad8 20. b4 Rd7 21. Be3+ Kc7 22. b5 Nb8 23. c4 Rc8 24. Rec1 Kd8 25. c5 axb5 26. axb5 Ke8 27. Ra8 Rdc7 28. Bf4 Nd7 29. Bxc7 Rxa8 30. c6 bxc6 31. bxc6 Nf6 32. Be5 Ne4 33. c7 Nd6 34. Rb1 Rc8 35. Rb8 Kd7 36. Ba6 Kxc7 37. Rxc8+ Bxc8 38. Bxc8 Kxc8 39. Bxd6 exd6 40. Kf1 Kd7 41. Ke2 Ke6 42. Ke3 Ke5 43. Kd3 Kd5 44. Ke3 Kc4 45. Kd2 Kd4 46. Kc2 f6 47. Kd2 h6 48. f3 f5 49. g3 g5 50. g4 f4 51. Ke2 Kc3 52. Ke1 Kc2 53. Ke2 d5 0-1

[Event "Washington Class-ch A"]
[Site "Redmond"]
[Date "2008.11.30"]
[Round "6"]
[White "Jacobi, Gunther J"]
[Black "Qu, Frank"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1941"]
[BlackElo "1780"]
[PlyCount "35"]
[EventDate "2008.11.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. Nc3 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qh4 d5 5. Nf3 Bf5 6. e4 dxe4 7. Nxe4 e6 8. Bg5 Be7 9. Bxe7 Qxe7 10. 0-0-0 Bxe4 11. Qxe4 Nf6 12. Qh4 Nd5 13. Qxe7+ Kxe7 14. Bb5 Rac8 15. Kb1 a6 16. Rhe1 Rhd8 17. Bc4 Nf6 18. Rxd8 1/2-1/2

[Event "Washington Class-ch A"]
[Site "Redmond"]
[Date "2008.11.30"]
[Round "5"]
[White "Xing, Kerry"]
[Black "Jacobi, Gunther J"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "1996"]
[BlackElo "1941"]
[PlyCount "95"]
[EventDate "2008.11.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. d5 Be7 6. Be3 a5 7. Bd3 0-0 8. f3 Nc5 9. Bc2 Ne8 10. Qd2 h6 11. Nge2 Bg5 12. 0-0-0 Bxe3 13. Qxe3 Qg5 14. Qxg5 hxg5 15. g4 g6 16. Kd2 Kg7 17. h4 gxh4 18. Rxh4 Rh8 19. Rxh8 Kxh8 20. b3 Kg7 21. a3 Bd7 22. Nc1 Nf6 23. Rh1 Rh8 24. Rxh8 Kxh8 25. b4 axb4 26. axb4 Na6 27. Nd3 Kg7 28. Ba4 Bxa4 29. Nxa4 Nb8 30. c5 Kf8 31. b5 dxc5 32. Naxc5 Ne8 33. Nxb7 Nd6 34. Nxd6 cxd6 35. Kc3 Ke7 36. Kb4 Kd7 37. b6 Kc8 38. Kb5 Kb7 39. Nb2 Kc8 40. Nc4 Kd7 41. Na5 Kc8 42. Nc6 Nd7 43. g5 Nc5 44. Nxe5 Nb3 45. Nxf7 Nd4+ 46. Ka6 Nxf3 47. b7+ Kb8 48. Nd8 1-0

[Event "Washington Class-ch A"]
[Site "Redmond"]
[Date "2008.11.29"]
[Round "4"]
[White "Hosford, Michael J"]
[Black "Jacobi, Gunther J"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1895"]
[BlackElo "1941"]
[PlyCount "52"]
[EventDate "2008.11.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 0-0 6. 0-0 Bg4 7. h3 Bxf3 8. Qxf3 Nc6 9. Qe2 e5 10. dxe5 Nxe5 11. Bc2 Re8 12. Bg5 Qd7 13. f4 Nc6 14. Nd2 a6 15. Qf2 h6 16. Bh4 Nh7 17. Rad1 b5 18. Kh1 Rab8 19. Qf3 g5 20. fxg5 hxg5 21. Bg3 Ne5 22. Qh5 g4 23. Bb3 Nf6 24. Bxe5 Nxh5 25. Rxf7 Qxf7 26. Bxf7+ Kxf7 0-1

[Event "Washington Class-ch A"]
[Site "Redmond"]
[Date "2008.11.29"]
[Round "3"]
[White "Jacobi, Gunther J"]
[Black "Sloan, Carl J"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1941"]
[BlackElo "1886"]
[PlyCount "61"]
[EventDate "2008.11.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. Nc3 Nf6 2. e4 e5 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 d6 7. Bc4 Be7 8. 0-0 0-0 9. f3 c6 10. a4 Nd7 11. Be3 Ne5 12. Bb3 Be6 13. Bxe6 fxe6 14. f4 c5 15. Qd1 Nc4 16. Bc1 Bf6 17. Qd3 Bd4+ 18. Kh1 d5 19. Nb5 Bxb2 20. Bxb2 Nxb2 21. Qa3 Qf6 22. Nc7 Rac8 23. Nxe6 dxe4 24. Nxf8 Rxf8 25. Qb3+ c4 26. Qxb7 e3 27. Qd5+ Kh8 28. Rae1 Qc3 29. Qe5 Qxc2 30. Qe7 Rg8 31. Rxe3 1-0

[Event "Washington Class-ch A"]
[Site "Redmond"]
[Date "2008.11.28"]
[Round "2"]
[White "Caluza, Severo"]
[Black "Jacobi, Gunther J"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1801"]
[BlackElo "1941"]
[PlyCount "56"]
[EventDate "2008.11.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nc3 d6 4. Nf3 a6 5. Be2 b5 6. a3 Nd7 7. 0-0 Bb7 8. Bf4 c5 9. Qd2 cxd4 10. Nxd4 Bxd4 11. Qxd4 e5 12. Qxd6 exf4 13. Nxb5 axb5 14. Bxb5 Ngf6 15. Rad1 Qe7 16. e5 Qxd6 17. Rxd6 Ke7 18. Re1 Rhd8 19. Rd4 Nd5 20. Bc4 N7b6 21. Bb3 g5 22. h4 h6 23. g3 Bc6 24. c4 Nc7 25. Rd6 Rxd6 26. exd6+ Kxd6 27. c5+ Kxc5 28. hxg5 hxg5 0-1

