[Event "West of England Championship"]
[Site "Bristol"]
[Date "1947.??.??"]
[Round "1"]
[White "Trevenen, HVW."]
[Black "Mallison, HV."]
[Result "1/2-1/2"]
[ECO "A05"]
[PlyCount "108"]
[EventDate "1947.??.??"]
[Source "ChessBase"]
[SourceDate "1998.11.10"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. b3 Bg7 5. Bb2 O-O 6. O-O Nbd7 7. d3 b6 8. c4
e6 9. Nbd2 Bb7 10. Rc1 c5 11. cxd5 exd5 12. Ne5 Re8 13. Nxd7 Qxd7 14. d4 Ne4
15. Nf3 Rad8 16. e3 Ba6 17. Re1 Qf5 18. Rc2 c4 19. Ne5 Rc8 20. f3 Nd6 21. e4
dxe4 22. fxe4 Qg5 23. Nxc4 Nxc4 24. bxc4 Rc7 25. Bc1 Qd8 26. Be3 Rxc4 27. Rxc4
Bxc4 28. Qd2 Ba6 29. d5 Be5 30. Rc1 Qd7 31. Bd4 f6 32. Rc6 Bb7 33. Rc3 Ba6 34.
Rc1 Rc8 35. Rxc8+ Qxc8 36. Bf2 Qc7 37. Qe1 Kf7 38. h3 Ke7 39. Kh2 Kd6 40. Qd2
h5 41. Qb4+ Kd7 42. Qa4+ Ke7 43. Qb4+ Kf7 44. Qa3 Bc8 45. Qe3 h4 46. Bf1 hxg3+
47. Bxg3 Bxg3+ 48. Qxg3 Qxg3+ 49. Kxg3 g5 50. Be2 Ke7 51. Bg4 Ba6 52. h4 gxh4+
53. Kxh4 Bc4 54. a3 b5 1/2-1/2

[Event "West of England Championship"]
[Site "Bristol"]
[Date "1947.??.??"]
[Round "2"]
[White "Trevenen, HVW."]
[Black "Bruce, RM."]
[Result "1-0"]
[ECO "A47"]
[PlyCount "87"]
[EventDate "1947.??.??"]
[Source "ChessBase"]
[SourceDate "1998.11.10"]

1. d4 Nf6 2. Nf3 b6 3. Bf4 Bb7 4. e3 e6 5. Bd3 c5 6. Nbd2 Nc6 7. c3 Be7 8. h3
O-O 9. Ng5 h6 10. h4 d6 11. Qc2 cxd4 12. Nde4 Ne5 13. Bxe5 dxe5 14. Nxf6+ Bxf6
15. Bh7+ Kh8 16. f4 exf4 17. exf4 Qc7 18. Bg8 g6 19. Bxf7 Bxg5 20. hxg5 Qxf7
21. Rxh6+ Kg7 22. Qd3 Qf5 23. Qxd4+ e5 24. Qxe5+ Qxe5+ 25. fxe5 Bxg2 26. O-O-O
Bf3 27. Rd7+ Rf7 28. Rh7+ Kxh7 29. Rxf7+ Kg8 30. Rxf3 Re8 31. Rf6 Rxe5 32.
Rxg6+ Kf7 33. Rc6 Rxg5 34. Rc7+ Ke6 35. Rxa7 Kd5 36. Kc2 Kc6 37. a4 Rh5 38. b4
Rh2+ 39. Kb3 Rh1 40. b5+ Kc5 41. Rc7+ Kd5 42. c4+ Kd4 43. Rd7+ Kc5 44. Rd5# 1-0

[Event "West of England Championship"]
[Site "Bristol"]
[Date "1947.??.??"]
[Round "3"]
[White "Trevenen, HVW."]
[Black "Thomas, ARB."]
[Result "0-1"]
[ECO "D05"]
[PlyCount "194"]
[EventDate "1947.??.??"]
[Source "ChessBase"]
[SourceDate "1998.11.10"]

1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 b6 5. Qe2 Bb7 6. O-O Bd6 7. Nbd2 Ne4 8. Ne1
O-O 9. g3 c5 10. c3 Nd7 11. f3 Nxd2 12. Bxd2 e5 13. Ba6 Bxa6 14. Qxa6 Re8 15.
Qd3 e4 16. Qe2 c4 17. Ng2 Nf6 18. Rf2 Qd7 19. Raf1 Bf8 20. fxe4 Rxe4 21. Rf5 b5
22. a3 a5 23. R1f3 Re7 24. Nh4 Ne4 25. Rf1 g6 26. R5f3 f6 27. Ng2 Rf7 28. Be1
Rb8 29. h4 Kg7 30. Nf4 b4 31. axb4 axb4 32. Qg2 h5 33. Qe2 f5 34. Qd1 bxc3 35.
Bxc3 Bb4 36. Qa1 Bxc3 37. bxc3 Nd2 38. Qa6 Nxf3+ 39. Rxf3 Rf6 40. Qa5 Rd6 41.
Rf2 Qb7 42. Qc5 Qb6 43. Rd2 Qxc5 44. dxc5 Rc6 45. Kf2 Rb3 46. Nxd5 Rxc5 47. Nf4
Rc6 48. Ne2 Ra6 49. Kf3 Raa3 50. Rd8 Rb2 51. Nd4 Rxc3 52. Kf4 Rb6 53. Rc8 Kf6
54. Rf8+ Ke7 55. Rc8 Kd7 56. Rg8 Ra3 57. Rg7+ Kd8 58. Rg8+ Ke7 59. Rc8 Ra4 60.
Kg5 Kd7 61. Rg8 c3 62. Rg7+ Kd6 63. Rxg6+ Kd5 64. Rxb6 Rxd4 65. exd4 c2 66.
Rb5+ Kxd4 67. Rxf5 c1=Q+ 68. Kxh5 Qd1+ 69. g4 Ke4 70. Kg5 Qd8+ 71. Kh5 Qg8 72.
Rf6 Qh7+ 73. Kg5 Qg7+ 74. Rg6 Qe7+ 75. Kh6 Qxh4+ 76. Kg7 Ke5 77. Kg8 Qe7 78.
Kh8 Qf7 79. g5 Qe8+ 80. Kh7 Kf5 81. Rg7 Qb8 82. Rg6 Qh2+ 83. Kg7 Qh5 84. Rf6+
Kxg5 85. Rf7 Qh6+ 86. Kg8 Qe6 87. Kf8 Qe5 88. Rg7+ Kf6 89. Rf7+ Kg6 90. Rd7
Qc5+ 91. Ke8 Kf5 92. Kf7 Qc6 93. Ke7 Ke5 94. Kd8 Qc5 95. Re7+ Kd6 96. Ke8 Qh5+
97. Kf8 Qh8+ 0-1

[Event "West of England Championship"]
[Site "Bristol"]
[Date "1947.??.??"]
[Round "4"]
[White "Slade, RA."]
[Black "Trevenen, HVW."]
[Result "0-1"]
[ECO "B07"]
[PlyCount "58"]
[EventDate "1947.??.??"]
[Source "ChessBase"]
[SourceDate "1998.11.10"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bd3 Bg7 5. h3 Nbd7 6. Be3 a6 7. Qd2 h6 8. Nge2
e5 9. O-O exd4 10. Nxd4 Nc5 11. Rae1 Nxd3 12. cxd3 Bd7 13. f4 O-O 14. f5 Kh7
15. Nce2 c5 16. Nf3 c4 17. fxg6+ fxg6 18. Ng3 cxd3 19. e5 Nd5 20. Qxd3 Nxe3 21.
Qxe3 Bb5 22. Rf2 dxe5 23. Nxe5 Rxf2 24. Qxf2 Qd5 25. Ng4 Bc6 26. Re7 Rf8 27.
Qe2 h5 28. Nh2 Qc5+ 29. Kh1 Rf2 0-1

[Event "West of England Championship"]
[Site "Bristol"]
[Date "1947.??.??"]
[Round "5"]
[White "Hooper, DV."]
[Black "Trevenen, HVW."]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "56"]
[EventDate "1947.??.??"]
[Source "ChessBase"]
[SourceDate "1998.11.10"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 g6 6. Bf4 Bg7 7. Nf3 Nf6 8.
Nbd2 O-O 9. O-O Nh5 10. Be3 f5 11. Ne5 f4 12. Nxg6 hxg6 13. Bxg6 Bf5 14. Bxh5
fxe3 15. fxe3 Qd6 16. Bf3 e5 17. e4 dxe4 18. Qb3+ Kh8 19. Nxe4 Bxe4 20. Bxe4
Nxd4 21. Qxb7 Ne2+ 22. Kh1 Ng3+ 23. hxg3 Qh6+ 24. Kg1 Qe3+ 25. Kh2 Qh6+ 26. Kg1
Qe3+ 27. Kh2 Qh6+ 28. Kg1 Qe3+ 1/2-1/2

[Event "West of England Championship"]
[Site "Bristol"]
[Date "1947.??.??"]
[Round "6"]
[White "Trevenen, HVW."]
[Black "Sullivan, C."]
[Result "1-0"]
[ECO "D80"]
[PlyCount "81"]
[EventDate "1947.??.??"]
[Source "ChessBase"]
[SourceDate "1998.11.10"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qa4+ c6 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 Nd7 8.
Nf3 Bg7 9. Ba3 O-O 10. Bd3 c5 11. O-O Nb6 12. Qc2 cxd4 13. Nxd4 Bd7 14. Rab1
Ba4 15. Nb3 Rc8 16. c4 Qd7 17. Qe2 Rfd8 18. Rfd1 Qe6 19. c5 Nd7 20. Bc4 Qc6 21.
Bd5 Qc7 22. Bxf7+ Kxf7 23. Qc4+ Kf8 24. Qxa4 Nf6 25. Nd4 Rxd4 26. Rxd4 Ng4 27.
g3 Bxd4 28. Qxd4 Ne5 29. Kg2 Rd8 30. Qe3 Rd3 31. Qf4+ Kg8 32. Bb2 Qxc5 33. Bxe5
Qc6 34. Rc1 Qe6 35. Rc7 Rd8 36. Rxb7 Rf8 37. Rb8 Rxb8 38. Bxb8 Qxa2 39. Qe5 Kf7
40. Qd5+ Qxd5 41. exd5 1-0

[Event "West of England Championship"]
[Site "Bristol"]
[Date "1947.??.??"]
[Round "7"]
[White "Kitto, FEA."]
[Black "Trevenen, HVW."]
[Result "1-0"]
[ECO "B15"]
[PlyCount "47"]
[EventDate "1947.??.??"]
[Source "ChessBase"]
[SourceDate "1998.11.10"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Bd3 Qxd4 6. Nf3 Qd8 7. Qe2 Nxe4 8.
Bxe4 Nd7 9. O-O Nf6 10. Bg5 Bg4 11. Rfe1 e6 12. Rad1 Qc7 13. Bxf6 gxf6 14. h3
Bh5 15. Rd3 Bd6 16. Qe3 Ke7 17. Nd4 Qb6 18. Qh6 Bg6 19. Bxg6 hxg6 20. Rxe6+ Kd7
21. Rxd6+ Kxd6 22. Nf5+ Ke6 23. Re3+ Kd7 24. Re7+ 1-0

[Event "West of England Championship"]
[Site "?"]
[Date "1946.04.20"]
[Round "2"]
[White "Bruce, RM."]
[Black "Trevenen, HVW."]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "70"]
[EventDate "1946.??.??"]
[SourceDate "2010.09.12"]

1. Nf3 d5 2. d4 Nf6 3. g3 c5 4. dxc5 e6 5. Bg2 Bxc5 6. O-O O-O 7. Nbd2 b6 8. c4
Bb7 9. cxd5 Bxd5 10. Nb3 Be7 11. Bf4 Nbd7 12. Rc1 Rc8 13. Nbd4 a6 14. h3 b5 15.
Nb3 Nc5 16. Ne5 Nxb3 17. Rxc8 Qxc8 18. Bxd5 Nxd5 {White now has to retake,
giving the opportunity to gain a small positional advantage, winning the minor
exchange and disrupting the white pawns.} 19. Qxb3 Nxf4 20. gxf4 Rd8 21. Nd3
Qc6 22. Ne5 Qe4 23. Qf3 Qxf3 24. Nxf3 Bf6 25. b3 Bb2 26. Rb1 Bc3 27. b4 a5 28.
bxa5 b4 29. Rc1 f6 30. Kf1 Rd5 31. e3 Rxa5 32. Rc2 Rd5 33. Ke2 Kf7 34. a3 h6
35. axb4 Bxb4 {Diagram #} 1/2-1/2

[Event "West of England Championship"]
[Site "?"]
[Date "1951.04.08"]
[Round "7"]
[White "Trevenen, HVW."]
[Black "Kitto, FEA."]
[Result "0-1"]
[ECO "E17"]
[Annotator "RH Jones"]
[PlyCount "68"]
[EventDate "1951.??.??"]
[SourceDate "2010.09.12"]

{Queen's Indian Defence.} 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6.
Nc3 O-O 7. Qc2 d5 8. Ne5 c5 9. dxc5 Qc8 10. cxd5 Bxc5 11. Nd3 Bd4 12. O-O Bxd5
13. Bxd5 exd5 14. Nf4 g5 15. Qd3 (15. Nfxd5 Nxd5 16. Bxg5 Nxc3 17. bxc3 Bxc3
18. Rac1 Qg4 19. Be7 Re8 20. Qxc3 Rxe7 21. Qc8+ Qxc8 22. Rxc8+ Kg7 23. Rd1 Rxe2
24. Rdd8 Rxa2 25. Rxb8 Rxb8 26. Rxb8) 15... Bxc3 16. Nxd5 {Diagram #} Qh3 (
16... Nxd5 17. Qxd5 Qc6 18. Qxc6 Nxc6 19. bxc3 f6 20. Rd1 Rad8 21. Ba3) 17.
Qxc3 (17. Ne7+ {was the threat.}) 17... Nxd5 ({
If White was entertaining thoughts of} 17... Ng4 18. Ne7#) 18. Qe5 Qe6 19.
Qxg5+ Kh8 20. Rd1 Ne7 21. Bd2 Nbc6 22. Bc3+ f6 23. Rd2 Ne5 24. Qe3 (24. Qh6
N7g6 25. Qe3) 24... Nd5 25. Qe4 Nxc3 26. bxc3 Rae8 27. Rd4 Nc6 28. Qxe6 Rxe6
29. Rd2 Rfe8 30. Kf1 Ne5 31. Rd4 Rc6 32. Re4 Rec8 33. Rf4 Kg7 34. Ra4 a5 {
Diagram # Final position. White must lose another pawn and Black is a piece up.
} 0-1

[Event "West of England Championship"]
[Site "?"]
[Date "1949.03.26"]
[Round "?"]
[White "Slade, RA."]
[Black "Trevenen, HVW."]
[Result "0-1"]
[ECO "C89"]
[Annotator "H Golombek"]
[PlyCount "50"]
[EventDate "1949.??.??"]
[SourceDate "2010.09.12"]

{An interesting contribution to the theory of the Marshall Attack.} 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. Re4 {
Diagram #} ({White's move is inferior to} 15. Qd3 {as Christoffel played
against H. Steiner (Hastings 1945-46) with the continuation} Bf5 16. Qf1 Qh5
17. Be3 Rae8 18. Nd2 Re6 19. a4 Bh3 20. Bd1 Qf5 21. Qe2 Nf4 22. Qf3 {
and Black's attack came to nothing.}) 15... g5 16. Nd2 Bf5 17. Bc2 Kh8 ({
Trevenen's move is stronger than} 17... Nf6 {as Averbakh played against
Simagen at Moscow 1948, since it prepares for Black's stunning blow on move 19
after which White is lost.}) 18. Re2 $2 ({White should play} 18. Qf3 Rae8 19.
Qg2 Qxg2+ 20. Kxg2 Bxe4+ 21. Nxe4 Be7 22. Nxg5 {when he has 2 pawns for the
exchange and approximate equality. Once Black gets in Nf4 White can do nothing.
}) 18... Bxc2 19. Qxc2 {Diagram #} Nf4 $1 20. gxf4 gxf4 21. f3 Rg8+ 22. Kf2
Rg2+ 23. Ke1 ({If} 23. Kf1 Rxh2+ {wins.}) 23... Rg1+ 24. Nf1 Qxf3 25. Kd2 Qxf1
{Diagram # White is helpless against the threat of f3.} 0-1

[Event "West of England Championship"]
[Site "?"]
[Date "1968.04.04"]
[Round "?"]
[White "Waters, P."]
[Black "Trevenen, HVW."]
[Result "1-0"]
[ECO "C90"]
[Annotator "EG Walker"]
[PlyCount "51"]
[EventDate "1968.??.??"]
[Source "WECU"]
[SourceDate "2010.09.12"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4
{Barden's recommendation and undoubtedly a good way of avoiding the Marshall
Attack.} Bb7 9. d3 d6 10. c3 ({Barden prefers} 10. Nc3 {which is more thematic,
aiming at d5, and probably a little better, but there is nothing wrong with
Waters' line which leads to normal Lopez positions.}) 10... Na5 11. Bc2 c5 12.
Nbd2 Re8 13. Nf1 Nc6 14. Ng3 Bf8 15. Nf5 Ne7 16. N3h4 Nxf5 17. Nxf5 d5 {
This attempt at counter-attack does not turn out well as White's knight on f5
and bishop heading for g5 exert great pressure. Giving up 2 bishops by Bc8 &
Bxf5 is a safer defence.} 18. Qf3 Kh8 19. Bg5 Re6 20. Ne3 Qd7 21. Qf5 {
Threatening to spoil Black's pawns next move, whose reply fails to meet the
threat.} Rd6 22. Bxf6 gxf6 ({If} 22... Qxf5 23. Bxg7+ Bxg7 24. Nxf5 {
with a pawn up. Still, this would have led to a longer resistance.}) 23. Qh5
dxe4 ({To prevent White opening up the bishop's diagonal, but} 23... d4 {
was a better way of achieving this end. However, Black's King-side is very
weak in any event.}) 24. dxe4 Qe6 25. Nf5 Rd2 26. Re3 {A game played by Waters
with precision and economy of means. It was awarded the Brigadier Morris Cup
for the best game by a junior.} 1-0

[Event "West of England Championship"]
[Site "?"]
[Date "1950.04.08"]
[Round "4"]
[White "Trevenen, HVW."]
[Black "Thomas, ARB."]
[Result "1-0"]
[ECO "C40"]
[Annotator "BH Wood"]
[PlyCount "61"]
[EventDate "1950.??.??"]
[Source "B. H. Wood"]
[SourceDate "2010.09.12"]

{Here we see how Trevenen treats the Greco Counter Gambit.} 1. e4 e5 2. Nf3 f5
3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Nc3 Qg6 7. Ne3 Nf6 8. Bc4 c6 9. d5 Be7 10.
Bd2 Nbd7 11. Qe2 Ne5 12. O-O-O b5 13. Bb3 b4 14. Na4 c5 15. f4 exf3 16. gxf3
Qh5 17. Rdf1 Nfd7 18. Bc4 Nxc4 19. Nxc4 Kd8 20. Re1 Qf7 21. Na5 Nb8 22. Qe4 Bf6
23. Nxc5 dxc5 24. d6 Qxa2 25. Nb3 Bf5 26. Qxf5 Qxb2+ 27. Kd1 Nd7 28. Re7 Ne5 ({
Black might have chanced} 28... Bxe7 {but was in severe time trouble.} 29. Qd5
Rc8 30. dxe7+ Ke8 31. Re1 Nb6 32. Qh5+ g6 33. Qh4) 29. Nxc5 Qa1+ 30. Ke2 Qxh1
31. Nb7# {Trevenen came 1st with 6.5 / 7 points, ahead of Max Poolake on 5.}
1-0

[Event "Nottingham-B3"]
[Site "Nottingham"]
[Date "1946.??.??"]
[Round "?"]
[White "Crockett, S."]
[Black "Trevenen, HVW."]
[Result "1-0"]
[ECO "D56"]
[PlyCount "77"]
[EventDate "1946.??.??"]
[Source "ChessBase"]
[SourceDate "1998.11.10"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 O-O 7. Nf3 Ne4 8. Bxe7
Qxe7 9. Bd3 Nxc3 10. bxc3 Nd7 11. O-O dxc4 12. Bxc4 c6 13. e4 b6 14. Qe2 Qa3
15. Bd3 Bb7 16. Rac1 Rac8 17. c4 Qe7 18. Rfd1 e5 19. d5 Nc5 20. Bb1 cxd5 21.
exd5 Rce8 22. Rc3 f5 23. Re1 e4 24. Nd4 Qf6 25. Qd2 a6 26. Nb3 Nd7 27. Qd4 Rc8
28. Qxf6 Rxf6 29. Rec1 Kf8 30. a4 Nc5 31. Nxc5 Rxc5 32. Ba2 Ke7 33. Kf1 Kd6 34.
Ke2 Rf7 35. Ke3 Rfc7 36. Kd4 Ke7 37. Rb1 Bxd5 38. Rxb6 Bb7 39. Rxb7 1-0

[Event "Nottingham-B3"]
[Site "Nottingham"]
[Date "1946.??.??"]
[Round "?"]
[White "Heath, C."]
[Black "Trevenen, HVW."]
[Result "1/2-1/2"]
[ECO "C36"]
[PlyCount "96"]
[EventDate "1946.??.??"]
[Source "ChessBase"]
[SourceDate "1998.11.10"]

1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6 5. Bb5+ c6 6. dxc6 bxc6 7. Be2 Bd6 8.
O-O O-O 9. d4 Bg4 10. c4 Nbd7 11. Nc3 Re8 12. Qc2 Nf8 13. Bd3 Bc7 14. Ne2 Ne6
15. Bd2 Bxf3 16. Rxf3 Ng5 17. Rff1 Rxe2 18. Bxe2 Qxd4+ 19. Kh1 Nfe4 20. Be1 Rb8
21. Rb1 Qe5 22. Bf3 Nxf3 23. Rxf3 Ng5 24. Rb3 Re8 25. Bf2 Ne6 26. Re1 Qd6 27.
Rd3 Qb4 28. Rd7 g6 29. a3 Qb8 30. Red1 c5 31. R7d5 Bb6 32. b4 cxb4 33. Bxb6
Qxb6 34. c5 Qa5 35. c6 Qxa3 36. c7 Qc3 37. Qxc3 bxc3 38. Rd8 Nxc7 39. Rxe8+
Nxe8 40. Rc1 Nd6 41. Rxc3 a5 42. Rc6 Nb7 43. Rb6 Nc5 44. Rb5 Ne6 45. Rxa5 Kg7
46. Kg1 g5 47. h3 f6 48. Kf2 Kg6 1/2-1/2

[Event "Nottingham-B3"]
[Site "Nottingham"]
[Date "1946.??.??"]
[Round "?"]
[White "Hickey, J."]
[Black "Trevenen, HVW."]
[Result "0-1"]
[ECO "A47"]
[PlyCount "54"]
[EventDate "1946.??.??"]
[Source "ChessBase"]
[SourceDate "1998.11.10"]

1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 5. O-O e6 6. Nbd2 Nc6 7. e3 Qc8 8. c3
d5 9. Re1 Be7 10. Bf1 O-O 11. Bd3 Rd8 12. e4 dxe4 13. Nxe4 cxd4 14. Qe2 dxc3
15. bxc3 Nxe4 16. Qxe4 g6 17. Qe2 Bf6 18. Bb2 Nb4 19. Be4 Bxe4 20. Qxe4 Nd3 21.
Re3 Nxb2 22. Qf4 Bg7 23. Ng5 Qb7 24. Qh4 h6 25. Nf3 Nd1 26. Re4 g5 27. Qh5 Qxe4
0-1

[Event "Nottingham-B3"]
[Site "Nottingham"]
[Date "1946.??.??"]
[Round "?"]
[White "Trevenen, HVW."]
[Black "Schenk, HG."]
[Result "1/2-1/2"]
[ECO "B15"]
[PlyCount "63"]
[EventDate "1946.??.??"]
[Source "ChessBase"]
[SourceDate "1998.11.10"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bd6 7. Be2 O-O
8. Be3 Re8 9. Qd2 Qc7 10. O-O-O Be6 11. Kb1 Nd7 12. c4 c5 13. Qc2 Nf8 14. Rd2
Rac8 15. Rhd1 cxd4 16. Nxd4 Bxc4 17. Bxc4 Qxc4 18. Qxc4 Rxc4 19. Nb5 Bb4 20.
Rd8 Rxd8 21. Rxd8 a6 22. Nd4 g5 23. h4 h6 24. a3 Bc5 25. b3 Rc3 26. b4 Bb6 27.
Rb8 Rc4 28. Nf5 Bxe3 29. fxe3 gxh4 30. Ne7+ Kg7 31. Nf5+ Kg6 32. Ne7+ 1/2-1/2

[Event "West of England Championship"]
[Site "?"]
[Date "1968.04.04"]
[Round "?"]
[White "Trevenen, HVW."]
[Black "Heath, BA."]
[Result "1-0"]
[ECO "B75"]
[Annotator "EG Walker"]
[PlyCount "53"]
[EventDate "1968.??.??"]
[Source "WECU"]
[SourceDate "2010.09.12"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 d6 (6... Nf6 {
is more in keeping with the Accelerated Fianchetto, the main idea of which is
to get in ...d5 in one step if possible.}) 7. Qd2 Nf6 8. f3 a6 ({Threatening} 
8... d5 {which if played at once could be met by} 9. Bb5 {
But ...0-0 is probably a better way of effecting this threat.}) 9. O-O-O Bd7 (
9... d5 {loses a pawn after} 10. Nxc6 {
etc. and I don't think Black gets enough counter-play.}) 10. g4 b5 11. g5 Nh5
12. Nd5 Rb8 13. f4 Nxd4 14. Bxd4 Bg4 15. Bxg7 Nxg7 16. Re1 ({An immediate} 16.
Be2 {
is better as it is not yet clear which is the best file for the White rook.})
16... O-O 17. Be2 Bxe2 18. Rxe2 Ne8 {To dislodge White's knight without
letting it in to f6, but the whole process weakens Black's kingside too much.}
19. h4 e6 20. Ne3 f5 21. h5 $1 {
The decisive push. Trevenen finishes forcefully.} fxe4 22. hxg6 hxg6 23. Qd4
Ng7 24. Ng4 Rxf4 25. Reh2 Qxg5 26. Rh8+ Kf7 27. Qxg7+ $1 1-0

[Event "West of England Championship"]
[Site "?"]
[Date "1948.03.13"]
[Round "2"]
[White "Bruce, RM."]
[Black "Trevenen, HVW."]
[Result "1/2-1/2"]
[ECO "E67"]
[PlyCount "86"]
[EventDate "1948.??.??"]
[SourceDate "2010.09.12"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nbd7 7. Nc3 e5 8. Qc2
c6 9. b3 exd4 10. Nxd4 Qb6 11. Rd1 Nc5 12. h3 a5 13. a3 Nh5 14. Rb1 f5 15. e3
Bd7 16. Nde2 Qc7 17. Qd2 Rf6 18. Kh2 Bf8 19. Nd4 Re8 20. Qc2 Ng7 21. Bb2 Rf7
22. b4 axb4 23. axb4 Nce6 24. Nce2 Nxd4 25. Nxd4 Ne6 26. Ra1 Qb6 27. Bc3 Ng5
28. b5 Ne4 29. Ba5 Qc5 30. bxc6 bxc6 31. Rdb1 Qe5 32. Be1 g5 33. Ra7 c5 34. Nf3
Qf6 35. Rbb7 Be6 36. Nd2 Rxb7 37. Rxb7 Nxd2 38. Bxd2 Re7 39. Rb8 Rf7 40. Bf1 h6
41. Qa4 Kh7 42. Qa6 Re7 43. Qb5 Bg7 1/2-1/2

[Event "West of England Championship"]
[Site "?"]
[Date "1949.03.05"]
[Round "1"]
[White "Bruce, RM."]
[Black "Trevenen, HVW."]
[Result "1-0"]
[ECO "A30"]
[PlyCount "85"]
[EventDate "1949.??.??"]
[SourceDate "2010.09.12"]

1. c4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 5. O-O g6 6. d3 Bg7 7. e4 d6 8. Nc3 O-O
9. Ne1 Nc6 10. f4 Nd7 11. Nf3 Qc8 12. Be3 a6 13. Qd2 e6 14. f5 exf5 15. exf5
Nce5 16. Nxe5 dxe5 17. Nd5 Bxd5 18. Bxd5 Ra7 19. Bg5 gxf5 20. Rxf5 Kh8 21. Be7
Nf6 22. Rxf6 Rxe7 23. Qg5 Qd8 24. Be4 Kg8 25. Raf1 Qd7 26. Kg2 Rb8 27. h4 b5
28. h5 h6 29. Rxh6 Re6 30. Bh7+ Kf8 31. Rxe6 Qxe6 32. Bg6 f6 33. Qe3 bxc4 34.
Qxc5+ Qe7 35. Qxc4 Rxb2+ 36. Rf2 Rxf2+ 37. Kxf2 Qa7+ 38. Kg2 Qb7+ 39. Kh2 Qb2+
40. Kh3 Qb7 41. Be4 Qd7+ 42. Kh2 f5 43. Bc6 {Black exceeded the time limit.}
1-0

