[Event "Johannesburg Sandton op"]
[Site "Johannesburg"]
[Date "2018.05.20"]
[Round "10"]
[White "Khumalo, Keith"]
[Black "Wolff, Jonathan"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "1845"]
[BlackElo "1833"]
[PlyCount "45"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RSA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nd7 5. Be3 e5 6. d5 Ne7 7. Bd3 0-0 8. Nge2 f5 9. exf5 gxf5 10. f4 Nf6 11. h3 c6 12. Bc2 cxd5 13. cxd5 Ng6 14. 0-0 b5 15. fxe5 Nxe5 16. Bxf5 b4 17. Bxc8 Rxc8 18. Nb5 Nc4 19. Bd4 Ne4 20. Bxg7 Qb6+ 21. Bd4 Qxb5 22. Nf4 Rf7 23. Qg4+ 1-0

[Event "Johannesburg Sandton op"]
[Site "Johannesburg"]
[Date "2018.05.20"]
[Round "9"]
[White "Wolff, Jonathan"]
[Black "Levy, Darren"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1833"]
[BlackElo "1820"]
[PlyCount "38"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RSA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. c3 dxc3 5. Nxc3 Nc6 6. Bc4 e6 7. Qe2 Be7 8. Be3 Nf6 9. 0-0-0 Bd7 10. Rhg1 a6 11. g4 b5 12. Bb3 b4 13. Na4 Na5 14. e5 Bb5 15. Qe1 Nxb3+ 16. axb3 Bxa4 17. exf6 Bxb3 18. fxe7 Qc7+ 19. Kb1 Bc2+ 0-1

[Event "Johannesburg Sandton op"]
[Site "Johannesburg"]
[Date "2018.05.20"]
[Round "8"]
[White "Wolff, Jonathan"]
[Black "Mbedza, Richard"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1833"]
[BlackElo "1942"]
[PlyCount "67"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RSA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 e6 2. g3 c6 3. Bg2 d5 4. e5 c5 5. c4 Nc6 6. Ne2 d4 7. d3 Nxe5 8. b4 Nf6 9. h3 Be7 10. f4 Nc6 11. b5 Nb8 12. 0-0 0-0 13. g4 a6 14. bxa6 Rxa6 15. Ng3 Nc6 16. Nd2 Nb4 17. g5 Ne8 18. Nde4 Nxa2 19. Rxa2 Rxa2 20. f5 exf5 21. Nxf5 Be6 22. Nxe7+ Qxe7 23. Qh5 Kh8 24. Nf6 Nxf6 25. gxf6 gxf6 26. Rf4 Rg8 27. Rh4 Raxg2+ 28. Kf1 Rg1+ 29. Ke2 Bg4+ 30. Kf2 Be6 31. Kf3 R8g2 32. Qf5 Rf1+ 33. Kxg2 Rxf5 34. Kg1 0-1

[Event "Johannesburg Sandton op"]
[Site "Johannesburg"]
[Date "2018.05.19"]
[Round "4"]
[White "Basson, Heinrich"]
[Black "Wolff, Jonathan"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "1840"]
[BlackElo "1833"]
[PlyCount "51"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RSA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 f5 3. g3 Nf6 4. Bg2 g6 5. c4 Bg7 6. Nc3 0-0 7. 0-0 Qe8 8. d5 Na6 9. Qc2 Rb8 10. a3 e5 11. dxe6 Bxe6 12. Nb5 Qf7 13. Ng5 Qd7 14. Bf4 h6 15. Nxe6 Qxe6 16. Rad1 g5 17. Be3 c6 18. Nxd6 f4 19. Bxa7 Rbd8 20. Ne4 Nh5 21. Nc5 Nxc5 22. Bxc5 Rxd1 23. Rxd1 Rf5 24. Bh3 fxg3 25. Qxf5 gxf2+ 26. Bxf2 1-0

[Event "Johannesburg Sandton op"]
[Site "Johannesburg"]
[Date "2018.05.19"]
[Round "2"]
[White "Lesole, Pudungwane"]
[Black "Wolff, Jonathan"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1893"]
[BlackElo "1833"]
[PlyCount "49"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RSA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 f5 3. h3 Nf6 4. Bf4 g6 5. e3 Bg7 6. Bc4 e6 7. Nbd2 Nc6 8. Qe2 0-0 9. g4 fxg4 10. hxg4 d5 11. Bd3 Nxg4 12. Ng5 e5 13. dxe5 Bxe5 14. Nxh7 Rxf4 15. exf4 Nd4 16. Qf1 Bxf4 17. 0-0-0 Qd6 18. Qg2 Bf5 19. Bxf5 gxf5 20. f3 Qc6 21. c3 Qa6 22. fxg4 Qxa2 23. Qxd5+ Qxd5 24. Nf6+ Kf7 25. Nxd5 1-0

[Event "Johannesburg Sandton op"]
[Site "Johannesburg"]
[Date "2018.05.19"]
[Round "5"]
[White "Van der Walt, Pierre E"]
[Black "Wolff, Jonathan"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1993"]
[BlackElo "1833"]
[PlyCount "77"]
[EventDate "2018.05.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "RSA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Na5 6. 0-0 a6 7. Be2 e6 8. e5 d5 9. d3 b5 10. Qe1 Ne7 11. Bd2 Nac6 12. Qf2 Qb6 13. a4 b4 14. a5 Nxa5 15. Na4 Qc7 16. Nxc5 Nac6 17. c3 bxc3 18. bxc3 0-0 19. d4 f6 20. exf6 Bxf6 21. Bd3 Na5 22. Qe2 Rb8 23. Nxe6 Bxe6 24. Qxe6+ Kg7 25. Ne5 Nb3 26. Rad1 Rbe8 27. Qg4 Bxe5 28. dxe5 Nxd2 29. Rxd2 Qxc3 30. Rdd1 a5 31. h4 a4 32. h5 a3 33. hxg6 hxg6 34. Qg5 Qd4+ 35. Rf2 a2 36. f5 Nxf5 37. Qc1 Ng3 38. Qc2 Rh8 39. Qc7+ 0-1

[Event "USA-chT Amateur East"]
[Site "Parsipanny"]
[Date "2002.02.16"]
[Round "1"]
[White "Zaremba, Andrie"]
[Black "Wolff, Jonathan"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2308"]
[PlyCount "74"]
[EventDate "2002.02.16"]
[EventType "team"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 086 Extra"]
[Source "ChessBase"]
[SourceDate "2002.03.14"]
[SourceVersion "1"]
[SourceVersionDate "2002.03.14"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. Nbd2 d5 6. Bg2 Be7 7. 0-0 0-0 8. b3 c5 9. cxd5 exd5 10. Bb2 Nc6 11. Rc1 Rc8 12. Re1 Ne4 13. e3 Nb4 14. Nxe4 dxe4 15. Ne5 f6 16. a3 fxe5 17. axb4 exd4 18. exd4 Bg5 19. Ra1 Qf6 20. Rxa6 Qxf2+ 21. Kh1 Qxb2 22. Qg4 Bh6 23. dxc5 e3 24. Rxa7 Qd2 25. Raa1 bxc5 26. Qc4+ Kh8 27. bxc5 Rf2 28. Qd5 g6 29. Rad1 Qc2 30. Rc1 Qd2 31. Qe4 Rxc5 32. Rcd1 Qc3 33. Rd8+ Bf8 34. Rxe3 Qf6 35. Rd1 Rcc2 36. Rf3 Qxf3 37. Bxf3 Rxh2+ 1-0

[Event "USA-chT Amateur East"]
[Site "Parsippany"]
[Date "2001.02.17"]
[Round "1"]
[White "Wolff, Jonathan"]
[Black "Ritter, Mark"]
[Result "1/2-1/2"]
[ECO "C22"]
[BlackElo "2408"]
[PlyCount "68"]
[EventDate "2001.02.17"]
[EventType "team"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qa4 Nf6 5. Bg5 Be7 6. Nc3 0-0 7. 0-0-0 d6 8. h3 a6 9. Nf3 Bd7 10. Qc4 b5 11. Qe2 Re8 12. g4 Qc8 13. Bg2 b4 14. Bxf6 Bxf6 15. Nd5 Bd8 16. Nd2 a5 17. f4 a4 18. g5 Nd4 19. Qf2 c5 20. e5 dxe5 21. Ne4 Ra6 22. Bf1 Rc6 23. Bc4 exf4 24. Qxf4 Bf5 25. Nd6 Rxd6 26. Qxd6 Bxg5+ 27. Nf4 Qd8 28. Qxd8 Bxf4+ 29. Kb1 Bxc2+ 30. Ka1 Rxd8 31. Rdf1 Be4 32. Bxf7+ Kh8 33. Rhg1 Nc2+ 34. Kb1 Ne3+ 1/2-1/2

[Event "corr"]
[Site "corr"]
[Date "1996.??.??"]
[Round "?"]
[White "Ippolito, Dean"]
[Black "Wolff, Jonathan"]
[Result "1-0"]
[ECO "A88"]
[PlyCount "63"]
[EventDate "1996.??.??"]
[EventType "game (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 g6 4. 0-0 Bg7 5. c4 d6 6. d4 0-0 7. Nc3 Qe8 8. d5 c6 9. Qa4 e5 10. dxe6 Na6 11. Bf4 Qxe6 12. Rad1 Nc5 13. Qa3 Nfe4 14. Bxd6 Nxd6 15. Qxc5 Nf7 16. Qb4 Ne5 17. Nxe5 Bxe5 18. e3 Qf7 19. Na4 Be6 20. Nc5 Bxc4 21. Rd7 a5 22. Qxb7 Qf6 23. Bxc6 Rab8 24. Bd5+ Bxd5 25. Qxd5+ Kh8 26. b3 Rb5 27. Rxh7+ Kxh7 28. Qd7+ Rf7 29. Qxb5 Qg5 30. f4 Qh6 31. Qe8 Rf8 32. Qxe5 1-0

[Event "RSA-op"]
[Site "Durban"]
[Date "1995.??.??"]
[Round "11"]
[White "O'Connor, Grayson"]
[Black "Wolff, Jonathan"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "59"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RSA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. c4 Nf6 5. d4 Bg4 6. Be2 Nc6 7. Be3 g6 8. Nbd2 Bg7 9. h3 Bc8 10. d5 Nb8 11. Bd4 c6 12. Ne4 cxd5 13. Nxf6+ exf6 14. Bc5 b6 15. Ba3 Bb7 16. 0-0 Bf8 17. b4 Bg7 18. cxd5 Qxd5 19. Bb5+ Nd7 20. Bxd7+ Qxd7 21. Re1+ Kd8 22. Qc2 Rc8 23. Qb2 Bxf3 24. gxf3 Kc7 25. b5 Qxh3 26. Re7+ Kb8 27. Bd6+ Ka8 28. Qa3 a5 29. Qe3 Bf8 30. Qe4+ 1-0

[Event "US Open-95"]
[Site "Chicago"]
[Date "1994.??.??"]
[Round "2"]
[White "Frumkin, Edward A"]
[Black "Wolff, Jonathan"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2005"]
[PlyCount "61"]
[EventDate "1994.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e4 d6 6. Nge2 f5 7. d3 Nge7 8. 0-0 0-0 9. Nd5 Nxd5 10. cxd5 Ne7 11. Be3 c6 12. dxc6 bxc6 13. Qb3+ Kh8 14. Rac1 d5 15. Bc5 fxe4 16. dxe4 d4 17. Bxe7 Qxe7 18. Rxc6 Bb7 19. Qe6 Qb4 20. Rc7 Rac8 21. Rxg7 Kxg7 22. Qxe5+ Kg8 23. Bh3 d3 24. Be6+ Rf7 25. Nf4 Qxe4 26. Qxe4 Bxe4 27. Bxc8 Rc7 28. Be6+ Kh8 29. f3 d2 30. fxe4 Rc1 31. Bb3 1-0

[Event "corr"]
[Site "corr"]
[Date "1942.??.??"]
[Round "?"]
[White "Wolff, Jonathan"]
[Black "Elderson, JH."]
[Result "1-0"]
[ECO "D44"]
[PlyCount "45"]
[EventDate "1942.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 c6 5. Nc3 dxc4 6. a4 Bb4 7. e4 b5 8. axb5 cxb5 9. Nd2 Bxc3 10. bxc3 Qc7 11. e5 Nd5 12. Ne4 Kd7 13. Qh5 Kc6 14. Kd2 a5 15. Be2 Ba6 16. Rhc1 Kb6 17. Nc5 b4 18. cxb4 c3+ 19. Rxc3 Nxc3 20. bxa5+ Kc6 21. Kxc3 Bxe2 22. Qxe2 Rxa5 23. Qc4 1-0

