[Event "25th Hoogoven tournament, GM tournament"]
[Site "Beverwijk"]
[Date "1963.01.08"]
[Round "1"]
[White "Matanović, Aleksandar"]
[Black "O'Kelly de Galway, Albéric"]
[Result "1-0"]
[ECO "B47"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[Source "365chess.com"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. f4 a6 7. Be2 b5 8. Nxc6
dxc6 9. O-O Nf6 10. Bf3 e5 11. Kh1 Bd6 12. f5 Be7 13. Qe1 Nd7 14. Qg3 O-O
15. Bh6 Bf6 16. Rad1 Kh8 17. Be3 Be7 18. Qf2 Bb7 19. g4 f6 20. Rg1 Rfd8 21. Rg3
Nf8 22. Rdg1 Rd7 23. g5 fxg5 24. h4 g4 25. Rxg4 Bf6 26. Ne2 Qd8 27. Nc1 Rf7
28. Nd3 Nd7 29. h5 h6 30. Rg6 Qf8 31. b4 a5 32. a3 axb4 33. axb4 Kh7 34. Qg2 Kh8
35. c3 Kh7 36. Bd1 Ra1 37. Bb3 Rxg1+ 38. Kxg1 Re7 39. Nc5 Bc8 40. Ne6 Qe8
41. Qd2 1-0

[Event "25th Hoogoven tournament, GM tournament"]
[Site "Beverwijk"]
[Date "1963.01.09"]
[Round "2"]
[White "O'Kelly de Galway, Albéric"]
[Black "Pilnik, Herman"]
[Result "1-0"]
[ECO "E84"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[Source "365chess.com"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 a6 8. Qd2
Rb8 9. Nc1 e5 10. d5 Nd4 11. Nb3 Nxb3 12. axb3 Nh5 13. Bd3 f5 14. exf5 gxf5
15. O-O e4 16. fxe4 f4 17. Bxf4 Nxf4 18. Rxf4 Rxf4 19. Qxf4 Be5 20. Qh6 Bd7
21. Rf1 Qe7 22. Be2 Kh8 23. Qh5 Be8 24. Qh3 Bg6 25. Bg4 Qg5 26. Bf5 Rf8 27. Qd3
Bh5 28. g3 Kg7 29. Kg2 Kh8 30. b4 b6 31. b3 Ra8 32. Be6 Qg7 33. Ne2 a5 34. bxa5
Rxa5 35. Nf4 Bxf4 36. Rxf4 Ra2+ 37. Rf2 Rxf2+ 38. Kxf2 Qf6+ 39. Ke3 Qf3+ 40. Kd2
Qd1+ 41. Kc3 Qa1+ 42. Kc2 Bg6 43. Qc3+ Qxc3+ 44. Kxc3 Bxe4 45. Kb4 c6 46. Bd7
cxd5 47. Bc6 Bc2 48. Bxd5 Kg7 49. Bc6 Kf6 50. Ba4 Ke5 51. Kb5 d5 52. cxd5 Kxd5
53. Kxb6 h5 54. Bc6+ Kd4 55. b4 Ke3 56. b5 Bd3 57. Kc5 1-0

[Event "25th Hoogoven tournament, GM tournament"]
[Site "Beverwijk"]
[Date "1963.01.10"]
[Round "3"]
[White "Trifunović, Petar"]
[Black "O'Kelly de Galway, Albéric"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[Source "365chess.com"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 c6 7. Nc3 O-O 8. Bf4
Qc8 9. O-O Qb7 10. Ne5 d5 11. Rfc1 Rc8 12. cxd5 cxd5 13. Nb5 Bxb5 14. Rxc8+ Qxc8
15. Qxb5 Qd8 16. Rc1 Nh5 17. Bd2 Nf6 18. e3 a6 19. Qa4 Bd6 20. Bb4 Bxb4 21. Qxb4
g6 22. Bf1 Kg7 23. Bd3 Ra7 24. Rc2 Nfd7 25. Nc6 Nxc6 26. Rxc6 a5 27. Qd6 Qf8
28. Bb5 Rb7 29. Ba6 Ra7 30. Bc8 Qd8 31. Kg2 Kg8 32. h4 h5 33. a3 Qe8 34. Rc7
Rxc7 35. Qxc7 Nf6 36. Ba6 Qa4 37. Qxb6 Qc2 38. Qxa5 Ne4 39. Qe1 Qxb2 40. a4 Nc3
41. a5 Qa3 {365chess.com gives 41. ... Qa2, but the tournament bulletin gives the more logical 41. ... Qa3} 1/2-1/2

[Event "25th Hoogoven tournament, GM tournament"]
[Site "Beverwijk"]
[Date "1963.01.12"]
[Round "4"]
[White "O'Kelly de Galway, Albéric"]
[Black "Gereben, Ernő"]
[Result "1-0"]
[ECO "E87"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[Source "365chess.com"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 Nh5 8. Qd2 f5
9. exf5 gxf5 10. O-O-O Nd7 11. Bd3 Nc5 12. Bc2 a5 13. Nge2 Kh8 14. h3 f4
15. Bxc5 dxc5 16. Ne4 b6 17. N2c3 Bd7 18. Rhe1 Qh4 19. Ba4 Bxa4 20. Nxa4 Rad8
21. Kb1 Nf6 22. Nxf6 Qxf6 23. Nc3 Rd7 24. Ne4 Qg6 25. Qc2 Rfd8 26. Rd2 Bf8
27. Red1 Kg7 28. g4 Kh8 29. h4 Be7 30. h5 Qg7 31. Qa4 Qh6 32. Kc1 Bd6 33. Rh1
Rg7 34. Qc6 Rgg8 35. Rg2 Rg5 36. Nxg5 Qxg5 37. Re2 h6 38. Qa4 Kg7 39. Qc2 Re8
40. Qe4 Re7 41. Kc2 Rf7 42. Qg6+ Qxg6+ 43. hxg6 Kxg6 44. Reh2 Bf8 45. Kd3 Bg7
46. Ke4 1-0

[Event "25th Hoogoven tournament, GM tournament"]
[Site "Beverwijk"]
[Date "1963.01.13"]
[Round "5"]
[White "Ståhlberg, Gideon"]
[Black "O'Kelly de Galway, Albéric"]
[Result "1/2-1/2"]
[ECO "E22"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[Source "365chess.com"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 O-O 5. Qb3 c5 6. Bg5 d5 7. dxc5 Nc6 8. e3
dxc4 9. Bxc4 Qa5 10. Bxf6 gxf6 11. O-O Bxc5 12. Rfd1 Qb4 13. Ne4 Qxb3 14. Bxb3
Be7 15. Nd6 Rd8 16. Nxc8 Raxc8 17. Rxd8+ Rxd8 18. Rd1 Rxd1+ 19. Bxd1 1/2-1/2

[Event "25th Hoogoven tournament, GM tournament"]
[Site "Beverwijk"]
[Date "1963.01.14"]
[Round "6"]
[White "O'Kelly de Galway, Albéric"]
[Black "Parma, Bruno"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[Source "365chess.com"]

1. c4 c5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 e6 5. d4 d5 6. cxd5 exd5 7. Be2 Be7 8. O-O
O-O 9. b3 Ne4 10. Bb2 Bf6 11. Na4 Bg4 12. Rc1 cxd4 13. Nxd4 Bxd4 14. Bxd4 Bxe2
15. Qxe2 Nxd4 16. exd4 1/2-1/2

[Event "25th Hoogoven tournament, GM tournament"]
[Site "Beverwijk"]
[Date "1963.01.15"]
[Round "7"]
[White "Milić, Borislav"]
[Black "O'Kelly de Galway, Albéric"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[Source "365chess.com"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O
O-O 9. a4 Be6 10. Be3 Nc6 11. Bf3 Na5 12. Nxa5 Qxa5 13. Qd2 Kh8 14. Rfd1 Rac8
15. h3 Rc4 16. Nd5 Qxd2 17. Rxd2 Nxd5 18. exd5 Bd7 19. a5 Rfc8 20. c3 h6 21. Be2
Ra4 22. Rxa4 Bxa4 23. c4 Bg5 24. b4 Kg8 25. Ra2 Bxe3 26. fxe3 Bd7 27. Rc2 Kf8
28. e4 f5 29. exf5 Bxf5 30. Rc3 Be4 31. Bg4 Rd8 32. Be6 Ke7 33. Re3 Bh7 34. Rg3
g5 35. h4 Bg8 36. Bxg8 Rxg8 37. hxg5 hxg5 38. Rh3 Rc8 39. Rh7+ Kf6 40. Rxb7 Rxc4
41. Rd7 e4 42. Rxd6+ Ke7 43. Rxa6 Rxb4 1/2-1/2

[Event "25th Hoogoven tournament, GM tournament"]
[Site "Beverwijk"]
[Date "1963.01.16"]
[Round "8"]
[White "O'Kelly de Galway, Albéric"]
[Black "Averbakh, Yuri Lvovich"]
[Result "1/2-1/2"]
[ECO "E19"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[Source "365chess.com"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2
Nxc3 9. Qxc3 f5 10. b3 Bf6 11. Bb2 d6 12. Qd2 Nd7 13. Ne1 Bxg2 14. Nxg2 e5
15. dxe5 Bxe5 16. Bxe5 Nxe5 17. Rae1 Qd7 18. f4 Ng4 19. e4 fxe4 20. Rxe4 Qc6
21. Qd4 Qc5 22. Rfe1 Nf6 23. Qxc5 bxc5 24. Re7 Rf7 25. Nh4 Kf8 26. R7e3 Re8
27. Rxe8+ Nxe8 28. Nf3 Re7 29. Rxe7 Kxe7 30. Kf2 Nf6 31. Ke3 1/2-1/2

[Event "25th Hoogoven tournament, GM tournament"]
[Site "Beverwijk"]
[Date "1963.01.18"]
[Round "9"]
[White "Langeweg, Christiaan"]
[Black "O'Kelly de Galway, Albéric"]
[Result "1-0"]
[ECO "E65"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[Source "365chess.com"]

1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. d4 O-O 7. O-O d6 8. dxc5
dxc5 9. Be3 Qa5 10. Bd2 Bf5 11. Nh4 Be6 12. Nd5 Qd8 13. Bc3 Qc8 14. Qa4 Re8
15. e3 Nd7 16. Bxg7 Kxg7 17. Qc2 f6 18. h3 Bf7 19. Rad1 Rb8 20. Nf3 Nb4 21. Nxb4
cxb4 22. b3 Nc5 23. Nd4 Rd8 24. Rd2 a6 25. Rfd1 Qc7 26. Ne2 Rxd2 27. Qxd2 a5
28. Nd4 Qb6 29. Nb5 Be8 30. Qe2 Rd8 31. Rd4 e5 32. Rd2 Bxb5 33. cxb5 Rxd2
34. Qxd2 Qc7 35. Qd5 b6 36. Bf1 Qd7 37. Qa8 e4 38. Bc4 Kh6 39. Qf8+ Qg7 40. Qd6
f5 41. Qf4+ g5 42. Qxf5 Qe7 43. Qc8 Qf6 44. Qc6 Kg7 45. Bd5 Qf3 46. Qc7+ Kf8
47. Qd8+ 1-0

[Event "25th Hoogoven tournament, GM tournament"]
[Site "Beverwijk"]
[Date "1963.01.19"]
[Round "10"]
[White "O'Kelly de Galway, Albéric"]
[Black "Ivkov, Borislav"]
[Result "0-1"]
[ECO "E88"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[Source "365chess.com"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. f3 O-O 6. Be3 e5 7. d5 c6 8. Bd3 cxd5
9. cxd5 Na6 10. Nge2 Bd7 11. O-O Ne8 12. g4 Nc5 13. Bc2 a5 14. a3 Rc8 15. Ng3 b5
16. Qd2 a4 17. Rac1 Nc7 18. Qe2 Bf6 19. Na2 Bg5 20. Nb4 Na8 21. Nd3 Bxe3+
22. Qxe3 Nb6 23. Nxc5 Nc4 24. Qe2 Rxc5 25. Bd3 Qb6 26. Kg2 Ne3+ 27. Kh1 Nxf1
28. Rxf1 0-1

[Event "25th Hoogoven tournament, GM tournament"]
[Site "Beverwijk"]
[Date "1963.01.20"]
[Round "11"]
[White "Pirc, Vasja"]
[Black "O'Kelly de Galway, Albéric"]
[Result "1/2-1/2"]
[ECO "A49"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[Source "365chess.com"]

1. d4 g6 2. Nf3 Nf6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. b3 Nbd7 7. Bb2 c5 8. dxc5
Nxc5 9. c4 Bg4 10. Nc3 Qd7 11. Qc2 Bf5 12. Qd2 Bh3 13. Rad1 Bxg2 14. Kxg2 Rfc8
15. Nd5 Nce4 16. Nxf6+ Bxf6 17. Qc2 Bxb2 18. Qxe4 Bf6 19. Rd5 a6 20. Rfd1 b5
21. c5 Qe6 22. Nd2 dxc5 23. Rxc5 Rxc5 24. Qxa8+ Rc8 25. Qe4 Rd8 26. Qxe6 fxe6
27. Kf1 Bc3 28. Ke1 Bb4 29. e3 Rc8 30. a3 Bxa3 31. Ra1 Bb4 32. Rxa6 Rc2 33. Ra8+
Kf7 34. Rd8 Rb2 35. Kd1 Bxd2 36. Rxd2 Rxb3 37. Kc2 Ra3 38. Kb2 Ra8 39. Rd4 g5
40. h4 Ra4 41. Rxa4 bxa4 42. hxg5 Kg6 43. f3 Kxg5 44. Ka3 h5 45. Kxa4 h4 46. f4+
Kg4 47. gxh4 Kxh4 48. Kb4 1/2-1/2

[Event "25th Hoogoven tournament, GM tournament"]
[Site "Beverwijk"]
[Date "1963.01.21"]
[Round "12"]
[White "Tan Hoan Liong"]
[Black "O'Kelly de Galway, Albéric"]
[Result "1/2-1/2"]
[ECO "C85"]
[BlackTitle "GM"]
[Source "365chess.com"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 dxc6 7. d3 Nd7
8. Nbd2 O-O 9. Nc4 f6 10. Nh4 Nc5 11. Nf5 Bxf5 12. exf5 Re8 13. b3 a5 14. a4 b6
15. Bb2 Qd7 16. Qf3 Nb7 17. Rfe1 Bc5 18. Re4 b5 19. axb5 cxb5 20. Nxa5 Rxa5
21. Rxa5 Nxa5 22. b4 Bxf2+ 23. Kxf2 Nb7 24. Re1 Nd6 25. Qd5+ Kf8 26. g4 e4
27. Bd4 Qf7 28. Qxf7+ 1/2-1/2

[Event "25th Hoogoven tournament, GM tournament"]
[Site "Beverwijk"]
[Date "1963.01.23"]
[Round "13"]
[White "O'Kelly de Galway, Albéric"]
[Black "Donner, Jan Hein"]
[Result "0-1"]
[ECO "D55"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[Source "365chess.com"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Be7 5. Bg5 O-O 6. e3 b6 7. cxd5 Nxd5
8. Bxe7 Qxe7 9. Nxd5 exd5 10. Bd3 c5 11. dxc5 bxc5 12. Qc2 g6 13. Rc1 Na6 14. a3
c4 15. Be2 Bf5 16. Qc3 Nc5 17. Nd4 Nd3+ 18. Bxd3 Bxd3 19. Nc6 Qe4 20. Qe5 Rfe8
21. Qxe4 dxe4 22. Rc3 a5 23. a4 Ra6 24. Nd4 Rb6 25. Nb5 Re5 26. Ra3 h5 27. h4
Rf5 28. g3 Kg7 29. Rh2 Kf6 30. Kd2 Ke5 31. b3 Rbf6 32. Ke1 Kd5 33. Nd4 c3
34. Nxf5 Rxf5 35. Ra1 Kc5 36. Rd1 Rd5 37. f4 exf3 38. Rf2 Be2 0-1

[Event "25th Hoogoven tournament, GM tournament"]
[Site "Beverwijk"]
[Date "1963.01.24"]
[Round "14"]
[White "Bronstein, David Ionovich"]
[Black "O'Kelly de Galway, Albéric"]
[Result "1-0"]
[ECO "C00"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[Source "365chess.com"]

1. g3 Nf6 2. Bg2 d5 3. Nf3 e6 4. O-O Be7 5. d3 c5 6. Nbd2 Nc6 7. e4 O-O 8. Re1
Qc7 9. e5 Nd7 10. Qe2 b5 11. h4 a5 12. Nf1 Ba6 13. N1h2 b4 14. h5 Rfc8 15. h6 g6
16. Bf4 Qd8 17. Ng4 a4 18. Qd2 c4 19. dxc4 Bxc4 20. Bg5 a3 21. b3 Ba6 22. Rac1
Na7 23. Bxe7 Qxe7 24. Ng5 Nb5 25. Bxd5 Rd8 26. Bxa8 Nxe5 27. Qxd8+ Qxd8 28. Rxe5
Nc3 29. Bf3 f5 30. Nxe6 Qd2 1-0

[Event "25th Hoogoven tournament, GM tournament"]
[Site "Beverwijk"]
[Date "1963.01.25"]
[Round "15"]
[White "O'Kelly de Galway, Albéric"]
[Black "van den Berg, Carel Benjamin"]
[Result "1-0"]
[ECO "E20"]
[WhiteTitle "GM"]
[Source "365chess.com"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5
Bc5 9. Bg5 Nbd7 10. Qf3 c6 11. Bd3 h6 12. Bh4 Qa5 13. Ne2 cxd5 14. cxd5 O-O
15. Ra2 Be7 16. O-O Qd8 17. Be1 Nc5 18. Bc2 Bg4 19. Qe3 Rc8 20. b4 a5 21. Rxf6
Bxe2 22. Nxe2 Bxf6 23. bxc5 Bg5 24. Qb3 Rxc5 25. Bf2 Rc8 26. Bb6 Qd6 27. Bd3 Bd8
28. Be3 b6 29. Bb5 Qg6 30. Ng3 Bg5 31. Nf5 Rc7 32. d6 Bxe3+ 33. Qxe3 1-0

[Event "25th Hoogoven tournament, GM tournament"]
[Site "Beverwijk"]
[Date "1963.01.26"]
[Round "16"]
[White "Robatsch, Karl"]
[Black "O'Kelly de Galway, Albéric"]
[Result "1/2-1/2"]
[ECO "C89"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[Source "365chess.com"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3
d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3
15. Be3 Bg4 16. Qd3 Rae8 17. Nd2 Re6 18. c4 bxc4 19. Nxc4 Bf4 20. Qf1 Qh6
21. Qd3 Qh3 22. Qf1 Qh6 23. Qd3 Qh3 24. Qf1 1/2-1/2

[Event "25th Hoogoven tournament, GM tournament"]
[Site "Beverwijk"]
[Date "1963.01.27"]
[Round "17"]
[White "O'Kelly de Galway, Albéric"]
[Black "van Scheltinga, Theo Daniël"]
[Result "1/2-1/2"]
[ECO "C90"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[Source "365chess.com"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
Bg4 9. d3 Na5 10. Bc2 c5 11. Nbd2 O-O 12. h3 Bh5 13. Nf1 Nd7 14. g4 Bg6 15. Ng3
Nc6 16. d4 cxd4 17. cxd4 exd4 18. Nxd4 Nxd4 19. Qxd4 Ne5 20. Qd1 Rc8 21. Kg2 Nc4
22. f4 f6 23. Bb3 d5 24. Qxd5+ Qxd5 25. exd5 Bb4 26. Rd1 Rfd8 1/2-1/2

[Event "25th Hoogoven tournament, IM A group"]
[Site "Beverwijk"]
[Date "1963.01.17"]
[Round "1"]
[White "Dunkelblum, Arthur"]
[Black "Ditt, Hans Egon"]
[Result "1-0"]
[ECO "A37"]
[WhiteTitle "IM"]
[Source "365chess.com"]

1. Nf3 c5 2. g3 Nc6 3. c4 g6 4. Bg2 Bg7 5. Nc3 e5 6. O-O Nge7 7. d3 O-O 8. Bd2
h6 9. Qc1 Kh7 10. Rb1 d6 11. a3 Be6 12. e4 Qd7 13. b4 Nd4 14. bxc5 dxc5 15. Nxd4
exd4 16. Nd5 Nc6 17. f4 b6 18. f5 gxf5 19. exf5 Bxf5 20. Rxf5 Qxf5 21. Be4 Qxe4
22. dxe4 Rae8 23. Qf1 Re6 24. Qf5+ Kh8 25. Bf4 d3 26. e5 d2 27. Bxd2 Rxe5
28. Qd3 Nd4 29. Re1 Rfe8 30. Rxe5 Rxe5 31. Nf4 a6 32. Bc3 b5 33. Bxd4 cxd4
34. cxb5 axb5 35. Kf1 Rc5 36. Qe4 Re5 37. Qb7 Kg8 38. Nd3 Rf5+ 39. Ke2 Bf8
40. g4 Rg5 41. Qe4 Bxa3 42. h4 Rg6 43. Qxd4 Be7 44. h5 Rg5 45. Qd7 Kf8 46. Kf3
b4 47. Nf4 b3 48. Qc8+ Kg7 49. Qc3+ Bf6 50. Qxb3 Re5 51. Nd5 Re6 52. Ne3 Bg5
53. Nf5+ Kh7 54. Qb7 Rf6 55. Qc8 1-0

[Event "25th Hoogoven tournament, IM A group"]
[Site "Beverwijk"]
[Date "1963.01.18"]
[Round "2"]
[White "Wade, Robert Graham"]
[Black "Dunkelblum, Arthur"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteTitle "IM"]
[BlackTitle "IM"]
[Source "365chess.com"]

1. d4 d5 2. g3 Nf6 3. Bg2 e6 4. Nf3 c5 5. O-O Nc6 6. c3 cxd4 7. Nxd4 Nxd4
8. Qxd4 Be7 9. Bf4 O-O 10. Nd2 Bd7 11. e4 Bc6 12. e5 Nd7 13. Nb3 Qb6 14. Be3
Qxd4 15. Bxd4 a5 16. Rfc1 Rfc8 17. a4 b6 18. Bf1 Nc5 19. Bxc5 bxc5 20. c4 d4
21. Nd2 Rab8 22. b3 g5 23. f3 Kg7 24. Bd3 h6 1/2-1/2

[Event "25th Hoogoven tournament, IM A group"]
[Site "Beverwijk"]
[Date "1963.01.19"]
[Round "3"]
[White "Dunkelblum, Arthur"]
[Black "Mohrlok, Dieter"]
[Result "1/2-1/2"]
[ECO "D79"]
[WhiteTitle "IM"]
[Source "365chess.com"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. d4 Bg7 5. c4 c6 6. cxd5 cxd5 7. Nc3 O-O 8. Ne5
Nc6 9. O-O Be6 10. Nxc6 bxc6 11. Na4 Bf5 12. b3 Nd7 13. Bb2 Qa5 14. Rc1 Rac8
15. Qe1 Qa6 16. Qd2 Rfe8 17. Rfe1 e6 18. Bf1 Qb7 19. Ba3 e5 20. e3 exd4 21. exd4
Re6 22. Rxe6 Bxe6 23. Nc5 Nxc5 24. Bxc5 Bf8 25. Bxf8 Kxf8 26. Qa5 Qb6 27. Qc5+
Qxc5 28. Rxc5 Bd7 29. Bd3 Ke7 30. Kf1 Kd6 1/2-1/2

[Event "25th Hoogoven tournament, IM A group"]
[Site "Beverwijk"]
[Date "1963.01.20"]
[Round "4"]
[White "Ankerst, Marjan"]
[Black "Dunkelblum, Arthur"]
[Result "1/2-1/2"]
[ECO "B18"]
[BlackTitle "IM"]
[Source "365chess.com"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 Nf6 7. N1e2 e6
8. O-O Bd6 9. f4 Qc7 10. f5 exf5 11. Nxf5 O-O 12. Nxd6 Qxd6 13. c3 Nd5 14. Nf4
Nxf4 15. Bxf4 Qd8 16. Qf3 a5 17. a4 Na6 18. Qg3 Qd7 19. h4 Kh8 20. Bd6 Rfd8
21. Be5 Rg8 22. Qg5 Qd8 23. Qxd8 Rgxd8 24. Bxf7 Rd7 25. Bxg6 hxg6 26. Kf2 Kg8
27. Ke3 Re8 28. Kf4 Nc5 29. dxc5 Rf7+ 30. Kg3 Rxe5 31. Rxf7 Kxf7 32. Rd1 Ke7
33. Rd6 Re2 34. Rxg6 Kf7 35. Rd6 Rxb2 36. Rd7+ Kf6 1/2-1/2

[Event "25th Hoogoven tournament, IM A group"]
[Site "Beverwijk"]
[Date "1963.01.21"]
[Round "5"]
[White "Dunkelblum, Arthur"]
[Black "de Rooi, Paul"]
[Result "1/2-1/2"]
[ECO "E65"]
[WhiteTitle "IM"]
[Source "365chess.com"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Na6 7. Nc3 c5 8. b3
Bd7 9. Bb2 Bc6 10. Qd2 cxd4 11. Nxd4 Bxg2 12. Kxg2 d5 13. cxd5 Nxd5 14. Rad1
Nxc3 15. Bxc3 Rc8 16. Ba1 Qd5+ 17. Nf3 Qxd2 18. Rxd2 1/2-1/2

[Event "25th Hoogoven tournament, IM A group"]
[Site "Beverwijk"]
[Date "1963.01.23"]
[Round "6"]
[White "Sándor, Béla"]
[Black "Dunkelblum, Arthur"]
[Result "1/2-1/2"]
[ECO "E03"]
[BlackTitle "IM"]
[Source "365chess.com"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Bg2 c5
8. O-O b5 9. Qd3 Bb7 10. b3 cxd4 11. Nxd4 Ne5 12. Qd1 Bxg2 13. Kxg2 Bc5 14. Bb2
Qd5+ 15. Nf3 Nxf3 16. Qxd5 Nh4+ 17. Kh3 Nxd5 18. Kxh4 1/2-1/2

[Event "25th Hoogoven tournament, IM A group"]
[Site "Beverwijk"]
[Date "1963.01.24"]
[Round "7"]
[White "Dunkelblum, Arthur"]
[Black "Henneberke, Franciscus"]
[Result "1-0"]
[ECO "E16"]
[WhiteTitle "IM"]
[BlackTitle "IM"]
[Source "365chess.com"]

1. c4 c5 2. Nf3 Nf6 3. d4 e6 4. g3 b6 5. Bg2 Bb7 6. d5 exd5 7. Nh4 g6 8. Nc3
Bg7 9. O-O O-O 10. Bg5 h6 11. Bxf6 Bxf6 12. Nxg6 Re8 13. Nf4 Nc6 14. Bxd5 Rb8
15. Qc2 Nd4 16. Qg6+ 1-0

[Event "25th Hoogoven tournament, IM A group"]
[Site "Beverwijk"]
[Date "1963.01.26"]
[Round "8"]
[White "Dunkelblum, Arthur"]
[Black "Rellstab, Ludwig Adolf"]
[Result "1-0"]
[ECO "E17"]
[WhiteTitle "Im"]
[BlackTitle "IM"]
[Source "365chess.com"]

1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. d4
Nbd7 9. Ne5 c5 10. Nc3 Rb8 11. e3 Qc8 12. cxd5 Nxd5 13. Nxd5 Bxd5 14. Bxd5 exd5
15. dxc5 Bf6 16. Nxd7 Bxb2 17. Nxf8 Bxa1 18. Qxa1 Kxf8 19. Qe5 bxc5 20. Qxd5 Qc7
21. Rc1 Rc8 22. Rc4 a5 23. a3 Rd8 24. Qxc5+ Qxc5 25. Rxc5 Rd3 26. Rxa5 Rxb3
27. Ra7 g6 28. g4 h6 29. Kg2 Kg7 30. Kg3 Rb2 31. h4 Ra2 32. Ra6 Ra1 33. Kg2 Ra2
34. a4 Ra3 35. Ra8 Ra1 36. a5 Ra4 37. Kf3 g5 38. hxg5 hxg5 39. Kg3 Ra3 40. a6
Kh7 41. Kf3 Ra4 42. Ke2 Ra2+ 43. Kd3 Rb2 44. Rf8 Ra2 45. Rxf7+ Kg6 46. Ra7 Ra3+
47. Ke2 Ra2+ 48. Kf3 Ra4 49. Ra8 Kg7 50. a7 Ra3 51. Ke2 Ra2+ 52. Kd1 1-0

[Event "25th Hoogoven tournament, IM A group"]
[Site "Beverwijk"]
[Date "1963.01.27"]
[Round "9"]
[White "Zuidema, Coenraad"]
[Black "Dunkelblum, Arthur"]
[Result "1/2-1/2"]
[ECO "B17"]
[BlackTitle "IM"]
[Source "365chess.com"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6
8. Bd3 h6 9. N5f3 c5 10. dxc5 Bxc5 11. Ne5 a6 12. Ngf3 Qc7 13. O-O O-O 14. a3
Nbd7 15. Re1 Bd6 16. Bf4 Nh5 17. Bd2 Nc5 18. Bc4 b5 19. Ba2 Nf6 20. c4 Bb7
21. cxb5 axb5 22. Rac1 Qe7 23. Bb4 Na4 24. Bxd6 Qxd6 25. Red1 Bd5 26. Bxd5 Nxd5
27. Nc6 Nac3 28. bxc3 Qxc6 29. c4 bxc4 1/2-1/2

[Event "25th Hoogoven tournament, IM B group"]
[Site "Beverwijk"]
[Date "1963.01.17"]
[Round "1"]
[White "Van Seters, Frits"]
[Black "van Steenis, Hendrik Jan"]
[Result "1/2-1/2"]
[ECO "A16"]
[Source "365chess.com"]
[Opening "English opening"]

1. c4 Nf6 2. Nc3 b6 3. e4 e5 4. Nf3 d6 5. d4 Nbd7 6. Qa4 exd4 7. Nxd4 Bb7 8. f3
Be7 9. Be3 O-O 10. O-O-O Nc5 11. Qc2 Qe8 12. Nd5 Bd8 13. Nf5 Bc8 14. g4 a5
15. Bd4 Bxf5 16. gxf5 Nxd5 17. cxd5 Bg5+ 18. Kb1 Bf4 19. Rg1 f6 20. Rg4 Bh6
21. Bc4 Kh8 22. Qe2 Rg8 23. Bb5 Qe7 24. Rdg1 Raf8 25. R1g2 Rf7 26. b3 Rff8
27. Qb2 Rf7 28. a3 Ra8 29. b4 axb4 30. axb4 Nd7 31. Bc6 Ra7 32. Bxd7 Qxd7
33. Bxf6 Qa4 34. Bxg7+ Rxg7 35. Qd4 Qb3+ 36. Rb2 Qxf3 37. Rg3 Qf1+ 38. Kc2 c5
39. dxc6 Rc7 40. b5 Qe2+ 41. Kb1 Qf1+ 42. Kc2 1/2-1/2

[Event "25th Hoogoven tournament, IM B group"]
[Site "Beverwijk"]
[Date "1963.01.18"]
[Round "2"]
[White "Kuijpers, Franciscus Antonius"]
[Black "Van Seters, Frits"]
[Result "1/2-1/2"]
[ECO "B10"]
[Source "365chess.com"]
[Opening "Caro-Kann: closed (Breyer) variation"]

1. e4 c6 2. d3 d5 3. Nd2 g6 4. g3 Bg7 5. Bg2 Nf6 6. Ngf3 dxe4 7. dxe4 O-O
8. O-O Na6 9. Qe2 Nc5 10. Rd1 Qc7 11. e5 Nd5 12. Nb3 Nxb3 13. axb3 Bg4 14. c4
Nb4 15. Bf4 Qc8 16. Rd2 Qf5 17. Nd4 Qxf4 18. gxf4 Bxe2 19. Nxe2 Rfd8 20. Rxd8+
Rxd8 21. Rxa7 Rb8 22. Be4 e6 23. Kg2 Bf8 24. Nc3 Bc5 25. Ra5 b6 26. Ra7 Rd8
27. Na4 Rd4 28. Nxc5 bxc5 29. Kf3 Rd2 30. Ra5 Rxb2 31. Rxc5 Rxb3+ 32. Ke2 Rh3
33. Bxc6 Nd3 34. Ra5 Nxf4+ 35. Kd2 g5 36. Be4 Rxh2 37. Ke3 Rh3+ 38. f3 Rh1
39. c5 Rc1 40. c6 h5 41. Kd2 Rc4 42. Ra1 h4 43. Rg1 Kf8 44. Rxg5 h3 45. Rg1 Nd5
46. Bxd5 exd5 47. Rh1 Rxc6 48. Rxh3 Rc4 49. Ke3 Ke7 50. Rh6 Ra4 51. Rd6 Ra3+
52. Kf4 Rd3 1/2-1/2

[Event "25th Hoogoven tournament, IM B group"]
[Site "Beverwijk"]
[Date "1963.01.19"]
[Round "3"]
[White "Van Seters, Frits"]
[Black "Canal, Esteban"]
[Result "0-1"]
[ECO "D15/07"]
[BlackTitle "IM"]
[Source "365chess.com"]
[Opening "QGD Slav: Tolush-Geller gambit"]

1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 dxc4 5. e4 b5 6. e5 Nd5 7. a4 Nxc3 8. bxc3
e6 9. Be2 a6 10. O-O Be7 11. Nd2 O-O 12. Bf3 Ra7 13. Ne4 Nd7 14. Re1 Nb6
15. axb5 cxb5 16. Ba3 Bb7 17. Bxe7 Qxe7 18. Nc5 Bxf3 19. Qxf3 Nd5 20. Qg3 a5
21. Ne4 b4 22. cxb4 axb4 23. Nf6+ Kh8 24. Nxd5 exd5 25. f4 Rfa8 26. Rac1 Ra3
27. Qg4 b3 28. f5 b2 29. Rb1 Ra1 30. Qe2 Rxb1 31. Rxb1 c3 32. Qd1 Qc7 0-1

[Event "25th Hoogoven tournament, IM B group"]
[Site "Beverwijk"]
[Date "1963.01.20"]
[Round "4"]
[White "Sämisch, Friedrich"]
[Black "Van Seters, Frits"]
[Result "0-1"]
[ECO "E10/02"]
[WhiteTitle "GM"]
[Source "365chess.com"]
[Opening "Queen's pawn (plus Benoni, QGD, Caro-Kann)"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. e3 d5 5. Nc3 Nc6 6. Bd3 dxc4 7. Bxc4 a6 8. a3
cxd4 9. exd4 Be7 10. O-O O-O 11. Re1 b5 12. Ba2 Bb7 13. d5 exd5 14. Nxd5 Nxd5
15. Bxd5 Bf6 16. Be4 Qxd1 17. Rxd1 Rfe8 18. Bc2 Nd4 19. Nxd4 Bxd4 20. Kf1 Bf6
21. f3 Rad8 22. Rxd8 Rxd8 23. Ke2 Bd5 24. Bd3 Rc8 25. a4 bxa4 26. Bxa6 0-1

[Event "25th Hoogoven tournament, IM B group"]
[Site "Beverwijk"]
[Date "1963.01.21"]
[Round "5"]
[White "Van Seters, Frits"]
[Black "Kramer, Haije"]
[Result "1/2-1/2"]
[ECO "E06/04"]
[BlackTitle "IM"]
[Source "365chess.com"]
[Opening "Catalan: closed"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O c6 7. Qc2 b6 8. b3 Bb7
9. Nc3 Nbd7 10. Rd1 Rc8 11. e4 Ba8 12. Bb2 Qc7 13. e5 Ne8 14. Qe2 Qb8 15. cxd5
cxd5 16. Rdc1 Nc7 17. Ne1 Bb7 18. f4 Ba6 19. Qe3 Nb5 20. Nxb5 Bxb5 21. f5 Rxc1
22. Rxc1 Rc8 23. Bh3 Rxc1 24. Qxc1 Nf8 25. Ng2 Bd7 26. Qf1 Qd8 27. Nf4 Qc8
28. fxe6 fxe6 29. Qd3 Qe8 30. Bf1 g5 31. Ng2 Qc8 32. Qd2 Be8 33. Ne3 Bg6 34. Bh3
Be4 35. Qe2 Qe8 36. Bg4 Bg6 37. Qa6 h5 38. Be2 Qd7 39. Ba3 Bxa3 40. Qxa3 Qc7
1/2-1/2

[Event "25th Hoogoven tournament, IM B group"]
[Site "Beverwijk"]
[Date "1963.01.23"]
[Round "6"]
[White "Van Seters, Frits"]
[Black "Kieninger, Georg"]
[Result "1-0"]
[ECO "A27"]
[BlackTitle "IM"]
[Source "365chess.com"]
[Opening "English: three knights system"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 d6 4. d4 Bg4 5. d5 Nb8 6. e4 Nd7 7. h3 Bxf3 8. Qxf3
g6 9. h4 h5 10. g3 Bh6 11. Bh3 a5 12. O-O Bxc1 13. Raxc1 Nh6 14. Nb5 b6 15. Qe3
Nf6 16. Rce1 Kf8 17. Qc3 Kg7 18. f4 Qe7 19. fxe5 dxe5 20. Kg2 Ne8 21. c5 bxc5
22. Rc1 c4 23. Qxc4 Rb8 24. a4 Nd6 25. Qc5 Qd8 26. Nxc7 Rxb2+ 27. Kg1 Rb4
28. Qxa5 Rxe4 29. Qa7 Kg8 30. Ne6 Qe8 31. Rc6 Ndf5 32. Rb1 Ng4 33. Rb8 Re1+
34. Bf1 Qxb8 35. Qxb8+ Kh7 36. Ng5+ Kg7 37. Qa7 Ngh6 38. Rc7 Nxg3 39. Rxf7+ Nxf7
40. Qxf7+ Kh6 41. Kg2 Rxf1 42. Kxg3 Rf4 43. d6 Rg4+ 44. Kh3 Rxa4 45. d7 Raa8
46. Qe7 Rhb8 47. Qh7# 1-0

[Event "25th Hoogoven tournament, IM B group"]
[Site "Beverwijk"]
[Date "1963.01.24"]
[Round "7"]
[White "Lange, Helmut"]
[Black "Van Seters, Frits"]
[Result "1-0"]
[ECO "D25"]
[Source "365chess.com"]
[Opening "QGA: Janowsky-Larsen variation"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Qb3 Bxf3 7. gxf3 c5
8. Nc3 cxd4 9. exd4 Be7 10. Rg1 O-O 11. Bh6 Ne8 12. Qxb7 Nd7 13. Bb5 Ndf6
14. O-O-O Kh8 15. Bxe8 Nxe8 16. Bf4 Nd6 17. Bxd6 Qxd6 18. Kb1 Rab8 19. Qe4 Qb4
20. Qc2 Rfc8 21. Rd3 Qc4 22. Ka1 Bb4 23. Rgd1 Ba5 24. d5 exd5 25. Rxd5 Bb6
26. Qe4 h6 27. Rd8+ Bxd8 28. Rxd8+ Rxd8 29. Qxc4 1-0

[Event "25th Hoogoven tournament, IM B group"]
[Site "Beverwijk"]
[Date "1963.01.26"]
[Round "8"]
[White "Van Seters, Frits"]
[Black "Smederevac, Petar"]
[Result "0-1"]
[ECO "E25"]
[Source "365chess.com"]
[Opening "Nimzo-Indian: Saemisch variation"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 exd5
8. e3 O-O 9. Bd3 b6 10. Ne2 Ba6 11. Bxa6 Nxa6 12. O-O Re8 13. Qd3 Nc7 14. Bd2
Qd7 15. Ng3 Nb5 16. Ra2 Rac8 17. a4 Nd6 18. Bc1 cxd4 19. cxd4 h5 20. h4 Qc6
21. Qb1 Re6 22. Re2 Qxa4 23. Nf5 Qb5 24. Rb2 Qd7 25. Nxd6 Rxd6 26. Bd2 Rdc6
27. Qd3 Rc4 28. Rfb1 Qc6 29. Qf5 Rc2 30. Be1 Rxb2 31. Rxb2 Qe6 32. Qf4 Rc1
33. Re2 Qd7 34. Kh2 Qc7 35. Bg3 Qxf4 36. Bxf4 Rc6 37. Rb2 Kf8 38. Kg3 Ke7
39. Be5 g6 40. Rb5 a6 41. Bxf6+ Ke6 42. Rb2 Kxf6 43. Kf4 b5 44. e4 Ke6 45. Kg5
Rb6 46. g4 b4 47. gxh5 gxh5 48. Kxh5 a5 49. Kg5 a4 50. h5 a3 51. Rh2 b3 52. h6
b2 53. h7 Rb8 54. Rh6+ Kd7 0-1

[Event "25th Hoogoven tournament, IM B group"]
[Site "Beverwijk"]
[Date "1963.01.27"]
[Round "9"]
[White "Fazekas, Stefan"]
[Black "Van Seters, Frits"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteTitle "IM"]
[Source "365chess.com"]
[Opening "Caro-Kann: exchange variation"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. h3 g6 7. Nf3 Bf5 8. O-O
Bg7 9. Re1 O-O 10. Bxf5 gxf5 11. Nbd2 e6 12. Nf1 Qc7 13. Ng3 b5 14. Qd2 Ne4
15. Qf4 Qxf4 16. Bxf4 b4 17. Ne2 Rfc8 18. Rec1 bxc3 19. bxc3 Na5 20. Rab1 Nc4
21. g4 fxg4 22. hxg4 Rc6 23. Rb7 Rb6 24. Rb1 Bf8 25. Ne5 Ned6 26. R7xb6 axb6
27. Nc1 Nxe5 28. Bxe5 Nc4 29. Bf4 Ba3 30. Nd3 Be7 31. Ne5 Nxe5 32. Bxe5 Bd8
33. Rb2 Rc8 34. Rb3 Ra8 35. Rb2 Ra3 36. Rc2 Ra4 37. Kf1 Kf8 38. Bd6+ Ke8 39. Ke2
Kd7 40. Bb4 Bg5 41. Kd3 Bf4 42. f3 b5 43. Rg2 h6 44. Rb2 Ra8 45. Bc5 Ra4 46. Rb1
1/2-1/2