[Event "Pretoria 31ch-SA"]
[Site "Pretoria"]
[Date "1977.04.??"]
[Round "4"]
[White "Glyn, J."]
[Black "Walker, David A"]
[Result "1/2-1/2"]
[ECO "A22"]
[PlyCount "42"]
[EventDate "1977.04.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "RSA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 4. Ng5 b5 5. g3 bxc4 6. Bg2 d5 7. d3 h6 8. Nh3 cxd3 9. exd3 exd3 10. 0-0 Be7 11. Re1 0-0 12. Nf4 c6 13. Nxd3 Bf5 14. Ne5 Bd6 15. Bf4 g5 16. Bd2 Re8 17. f4 Bxe5 18. fxe5 Ng4 19. Qf3 Qb6+ 20. Kh1 Nf2+ 21. Kg1 Ng4+ 1/2-1/2

[Event "Pretoria 31ch-SA"]
[Site "Pretoria"]
[Date "1977.04.??"]
[Round "9"]
[White "Kerr, Brian"]
[Black "Walker, David A"]
[Result "0-1"]
[ECO "A57"]
[PlyCount "130"]
[EventDate "1977.04.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "RSA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. e4 b4 7. Nb5 d6 8. Nf3 g6 9. e5 dxe5 10. Nxe5 Bg7 11. Bc4 0-0 12. 0-0 Ne4 13. Re1 Nd6 14. Nxd6 exd6 15. Nc6 Qh4 16. Ne7+ Kh8 17. Nxc8 Rxc8 18. Qc2 Nd7 19. Rb1 Bd4 20. Be3 Ne5 21. b3 Ng4 22. Bxd4+ cxd4 23. h3 Ne5 24. Rbd1 Nxc4 25. bxc4 d3 26. Qxd3 Rxa2 27. Qd4+ Qxd4 28. Rxd4 b3 29. Rb1 Rb8 30. Rd3 b2 31. Kf1 Ra1 32. Rdd1 Ra4 33. Rd2 Rxc4 34. Rbxb2 Rxb2 35. Rxb2 Rc8 36. Rd2 Kg7 37. Rd4 Rc2 38. f4 Kf6 39. g4 g5 40. fxg5+ Kxg5 41. h4+ Kxh4 42. Rf4 Rc7 43. Rf6 Rd7 44. Rf4 Kg5 45. Ra4 Kf6 46. Kf2 Ke5 47. Ke3 Kxd5 48. Ra5+ Ke6 49. Rh5 f6 50. Rh6 Ke5 51. Rh5+ Ke6 52. Rh6 Rg7 53. Kf4 d5 54. Rh1 d4 55. Ra1 Rd7 56. Ke4 d3 57. Ra6+ Kf7 58. Ra1 d2 59. Rd1 Kg6 60. Kf4 h6 61. Ke4 Kg5 62. Kf3 Rd8 63. Ke4 Kxg4 64. Rg1+ Kh3 65. Rd1 Kg2 0-1

[Event "Pretoria 31ch-SA"]
[Site "Pretoria"]
[Date "1977.04.??"]
[Round "6"]
[White "Kunne, P."]
[Black "Walker, David A"]
[Result "1/2-1/2"]
[ECO "A30"]
[PlyCount "88"]
[EventDate "1977.04.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "RSA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 c5 3. Nf3 b6 4. Bg2 Bb7 5. 0-0 g6 6. c4 cxd4 7. Qxd4 Bg7 8. Nc3 0-0 9. Qh4 Qc8 10. Bh6 Bxh6 11. Qxh6 Bxf3 12. Bxf3 Nc6 13. Rad1 Qc7 14. Nd5 Qd6 15. b3 Rad8 16. Qh4 Kg7 17. Nxf6 Qxf6 18. Qe4 Qe5 19. Qd3 Nb4 20. Qd2 Na6 21. Bg2 d6 22. b4 Nc7 23. f4 Qf6 24. e4 Rc8 25. Bh3 Ne6 26. Qd3 Rc7 27. Rf2 Nd8 28. g4 h6 29. Re1 Ne6 30. e5 dxe5 31. g5 Nxg5 32. fxg5 Qxg5+ 33. Rg2 Qf4 34. Rg4 Qf6 35. Rge4 Qd6 36. Qe2 f6 37. Bf1 Rd8 38. a3 Qd2 39. Qxd2 Rxd2 40. c5 bxc5 41. Rc4 Kf7 42. Rec1 Ke6 43. Rxc5 Rxc5 44. Rxc5 e4 1/2-1/2

[Event "Pretoria 31ch-SA"]
[Site "Pretoria"]
[Date "1977.04.??"]
[Round "15"]
[White "Ponelis, Albert A"]
[Black "Walker, David A"]
[Result "1-0"]
[ECO "C73"]
[PlyCount "51"]
[EventDate "1977.04.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "RSA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6 7. Be3 Ne7 8. Nc3 Ng6 9. Qd3 Be6 10. h4 h5 11. 0-0-0 Be7 12. Nd2 Qb8 13. d5 Bd7 14. g3 c5 15. f4 Bb5 16. Nc4 exf4 17. gxf4 Bxc4 18. Qxc4 Qb4 19. Qd3 f5 20. a3 Qb7 21. Rdg1 Nxh4 22. Bf2 c4 23. Qe3 g5 24. fxg5 f4 25. Qd4 Ng6 26. Qg7 1-0

[Event "Pretoria 31ch-SA"]
[Site "Pretoria"]
[Date "1977.04.??"]
[Round "2"]
[White "Price, Harold"]
[Black "Walker, David A"]
[Result "0-1"]
[ECO "B09"]
[PlyCount "62"]
[EventDate "1977.04.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "RSA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Be3 Nc6 7. Qd2 Bg4 8. Be2 Bxf3 9. Bxf3 e5 10. fxe5 dxe5 11. d5 Nd4 12. 0-0 Re8 13. Rae1 c6 14. dxc6 bxc6 15. Bd1 Qb6 16. Rf2 Re6 17. Ref1 Rf8 18. Bg5 Ne8 19. Na4 Qb5 20. c3 Nd6 21. Qe1 c5 22. cxd4 exd4 23. Bf4 Nxe4 24. Re2 Rfe8 25. Rxe4 Rxe4 26. Qd2 c4 27. Bh6 Bxh6 28. Qxh6 Re1 29. Qf4 Rxf1+ 30. Qxf1 Qe5 31. h3 Qg3 0-1

[Event "Pretoria 31ch-SA"]
[Site "Pretoria"]
[Date "1977.04.??"]
[Round "13"]
[White "Tsalicoglou, Jacques T"]
[Black "Walker, David A"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "81"]
[EventDate "1977.04.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "RSA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 Nbd7 6. 0-0-0 Qa5 7. Kb1 Bg7 8. f3 b5 9. g4 b4 10. Nce2 Ba6 11. Nc1 Bxf1 12. Rxf1 c5 13. Nge2 Rb8 14. Bh6 Bxh6 15. Qxh6 c4 16. Qe3 Nb6 17. h4 Kd7 18. g5 Nfd5 19. exd5 Nxd5 20. Qe4 Nc3+ 21. bxc3 bxc3+ 22. Nb3 Rhc8 23. Re1 e6 24. Rc1 Rc6 25. Qe3 Qa3 26. Qxc3 cxb3 27. Qxc6+ Kxc6 28. cxb3+ Kd7 29. Rc3 Rc8 30. Rhc1 Rxc3 31. Rxc3 Qa6 32. Ng3 Qb6 33. Rc4 Qa5 34. Ne4 Qe1+ 35. Rc1 Qe3 36. Nf6+ Kd8 37. Rc6 Qxd4 38. Ne4 Qd3+ 39. Kb2 Qxf3 40. Rxd6+ Kc7 41. Rd4 0-1

[Event "Pretoria 31ch-SA"]
[Site "Pretoria"]
[Date "1977.04.??"]
[Round "11"]
[White "Van Tets, A."]
[Black "Walker, David A"]
[Result "0-1"]
[ECO "C24"]
[PlyCount "74"]
[EventDate "1977.04.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "RSA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. f4 d5 4. exd5 e4 5. d3 exd3 6. Qxd3 Bc5 7. Be3 Qe7 8. Kd2 Ne4+ 9. Kd1 Bf5 10. Qe2 0-0 11. Nf3 Nd7 12. Re1 Rfe8 13. Nd4 Bxd4 14. Bxd4 Qh4 15. g3 Qh3 16. Kc1 Nd6 17. Be3 Nxc4 18. Qxc4 Qxh2 19. Na3 Qxg3 20. Kd2 Nf6 21. Qd4 Nxd5 22. Qxd5 Rad8 23. Bd4 Qxf4+ 24. Kc3 Qg3+ 25. Kb4 a5+ 26. Ka4 Be6 27. Qc5 Bd7+ 28. Nb5 Bxb5+ 29. Kxb5 Rxe1 30. Rxe1 Qxe1 31. c3 Qe8+ 32. Kc4 Qe6+ 33. Kd3 Re8 34. Kc2 a4 35. b4 Qe2+ 36. Kb1 a3 37. c4 Qd1# 0-1

[Event "Pretoria 31ch-SA"]
[Site "Pretoria"]
[Date "1977.04.??"]
[Round "8"]
[White "Walker, David A"]
[Black "Aalbersberg, Peter"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "62"]
[EventDate "1977.04.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "RSA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. c3 dxc3 5. Nxc3 Nc6 6. Bc4 d6 7. 0-0 Be7 8. Qe2 Nf6 9. Rd1 e5 10. h3 0-0 11. b4 Be6 12. Bxe6 fxe6 13. Qc4 Qd7 14. b5 Na5 15. Qa4 Qc7 16. Ba3 b6 17. Rac1 Nc4 18. Ng5 Nxa3 19. Qxa3 d5 20. Qb3 Qc4 21. Nxe6 Qxb3 22. axb3 Rfc8 23. Nxd5 Nxd5 24. exd5 Ba3 25. Rxc8+ Rxc8 26. d6 Rc3 27. d7 Be7 28. d8Q+ Bxd8 29. Nxd8 Rxb3 30. Rd5 e4 31. Nc6 Ra3 1-0

[Event "Pretoria 31ch-SA"]
[Site "Pretoria"]
[Date "1977.04.??"]
[Round "7"]
[White "Walker, David A"]
[Black "Bloch, Nigel"]
[Result "1-0"]
[ECO "B52"]
[BlackElo "2260"]
[PlyCount "53"]
[EventDate "1977.04.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "RSA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. c3 Nf6 7. d4 Nxe4 8. d5 Nb8 9. Re1 Nf6 10. Bg5 Ng4 11. Bh4 Na6 12. c4 Nc7 13. Nc3 Nh6 14. Ne4 Nf5 15. a3 e5 16. Bf6 Be7 17. Bxe5 dxe5 18. Nxe5 Qd8 19. Qf3 g6 20. g4 Nh6 21. d6 Ne6 22. dxe7 Qxe7 23. Nf6+ Kf8 24. Ned7+ Kg7 25. Qc3 Qd8 26. Ne8+ Kg8 27. Rxe6 1-0

[Event "Pretoria 31ch-SA"]
[Site "Pretoria"]
[Date "1977.04.??"]
[Round "1"]
[White "Walker, David A"]
[Black "De Villiers, Charles"]
[Result "1/2-1/2"]
[ECO "B53"]
[BlackElo "2310"]
[PlyCount "80"]
[EventDate "1977.04.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "RSA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 a6 5. c4 Nc6 6. Qd2 g6 7. b3 Nf6 8. Nc3 Bg7 9. Bb2 Rb8 10. Bd3 0-0 11. Nd5 e6 12. Nxf6+ Bxf6 13. 0-0 Bxb2 14. Qxb2 e5 15. Be2 f5 16. exf5 gxf5 17. Rfd1 Qe7 18. c5 dxc5 19. Bc4+ Be6 20. Nxe5 Bxc4 21. Nxc4 Rbd8 22. Re1 Qg7 23. Qxg7+ Kxg7 24. Kf1 Kf6 25. Rad1 Nd4 26. f4 Nc2 27. Rxd8 Rxd8 28. Re5 b5 29. Nb6 Rd2 30. Rxc5 Ne3+ 31. Ke1 Rxg2 32. Re5 Ng4 33. Nd5+ Kg6 34. Re2 Rxh2 35. Rxh2 Nxh2 36. Nc7 Nf3+ 37. Kf2 Nd2 38. Nxa6 Ne4+ 39. Kf3 Nc3 40. a3 Kf6 1/2-1/2

[Event "Pretoria 31ch-SA"]
[Site "Pretoria"]
[Date "1977.04.??"]
[Round "5"]
[White "Walker, David A"]
[Black "Friedgood, David"]
[Result "1-0"]
[ECO "B22"]
[BlackElo "2310"]
[PlyCount "41"]
[EventDate "1977.04.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "RSA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c3 d6 5. Bb5+ Bd7 6. Bc4 e6 7. 0-0 Nb6 8. Be2 Nc6 9. d4 cxd4 10. cxd4 dxe5 11. dxe5 Qc7 12. Bf4 0-0-0 13. Nc3 Nb4 14. Qb3 N6d5 15. Nxd5 Nxd5 16. Bg5 Be7 17. Bxe7 Nxe7 18. Qa3 Nc6 19. b4 Qb6 20. b5 Nd4 21. Qc3+ 1-0

[Event "Pretoria 31ch-SA"]
[Site "Pretoria"]
[Date "1977.04.??"]
[Round "14"]
[White "Walker, David A"]
[Black "Griffiths, Robert"]
[Result "1/2-1/2"]
[ECO "B53"]
[PlyCount "43"]
[EventDate "1977.04.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "RSA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 Nf6 8. Bg5 e6 9. 0-0-0 Be7 10. Rhe1 0-0 11. e5 dxe5 12. Qh4 Qc7 13. Nxe5 Rfd8 14. Rxd8+ Bxd8 15. Qc4 Nd5 16. Bxd8 Rxd8 17. Nxc6 Nxc3 18. Qxc3 bxc6 19. g3 Qd6 20. h4 h6 21. Qe3 Qd5 22. b3 1/2-1/2

[Event "Pretoria 31ch-SA"]
[Site "Pretoria"]
[Date "1977.04.??"]
[Round "12"]
[White "Walker, David A"]
[Black "Korostenski, Frank"]
[Result "1/2-1/2"]
[ECO "B04"]
[PlyCount "15"]
[EventDate "1977.04.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "RSA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bf5 5. Nh4 Bd7 6. Nf3 Bf5 7. Nh4 Bd7 8. Nf3 1/2-1/2

[Event "Pretoria 31ch-SA"]
[Site "Pretoria"]
[Date "1977.04.??"]
[Round "3"]
[White "Walker, David A"]
[Black "Rubinstein, Arnold"]
[Result "1/2-1/2"]
[ECO "C56"]
[PlyCount "39"]
[EventDate "1977.04.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "RSA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. 0-0 Bc5 6. c3 dxc3 7. e5 d5 8. exf6 dxc4 9. Qe2+ Be6 10. fxg7 Rg8 11. Nxc3 Rxg7 12. Rd1 Qe7 13. Ne4 Bg4 14. Bg5 Rxg5 15. Nf6+ Kf8 16. Nxh7+ Kg7 17. Qxe7 Bxe7 18. Nhxg5 Bxg5 19. Nxg5 Bxd1 20. Rxd1 1/2-1/2

[Event "Pretoria 31ch-SA"]
[Site "Pretoria"]
[Date "1977.04.??"]
[Round "10"]
[White "Walker, David A"]
[Black "Schackis, Roger"]
[Result "1/2-1/2"]
[ECO "C02"]
[PlyCount "41"]
[EventDate "1977.04.09"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "RSA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. g3 Na5 8. Nbd2 Be7 9. h4 Bd7 10. Bh3 0-0-0 11. 0-0 Nh6 12. Ne1 Kb8 13. Ng2 Nf5 14. Nf3 Nb3 15. Rb1 Ba4 16. Qe2 Nxc1 17. Rfxc1 Rde8 18. Qd2 Qd8 19. Re1 g6 20. Bxf5 gxf5 21. Re2 1/2-1/2

