| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. U Anwesh vs G Lock |
| 1-0 | 36 | 2010 | Hastings Masters 2010/11 | D12 Queen's Gambit Declined Slav |
| 52. S Williams vs G Lock |
| 1-0 | 34 | 2011 | BCF-chT2 1011 (4NCL) | D17 Queen's Gambit Declined Slav |
| 53. G Lock vs S Williams |
| 0-1 | 32 | 2011 | Sunningdale International Masters-D | A96 Dutch, Classical Variation |
| 54. G Lock vs J Straka |
| ½-½ | 31 | 2011 | Sunningdale International Masters-D | A46 Queen's Pawn Game |
| 55. B Lalic vs G Lock |
| 1-0 | 35 | 2011 | Sunningdale International Masters-D | D47 Queen's Gambit Declined Semi-Slav |
| 56. M Burrows vs G Lock |
| ½-½ | 40 | 2011 | Sunningdale International Masters-D | C16 French, Winawer |
| 57. G Lock vs S N Longson |
| ½-½ | 16 | 2011 | Sunningdale International Masters-D | A45 Queen's Pawn Game |
| 58. D Eggleston vs G Lock |
| 1-0 | 38 | 2011 | Sunningdale International Masters-D | C18 French, Winawer |
| 59. G Lock vs R Sturt |
| 0-1 | 62 | 2011 | Sunningdale International Masters-D | D17 Queen's Gambit Declined Slav |
| 60. G Lock vs M White |
| 1-0 | 41 | 2011 | Sunningdale International Masters-D | A45 Queen's Pawn Game |
| 61. A McClement vs G Lock |
| ½-½ | 46 | 2011 | Sunningdale International Masters-D | C10 French |
| 62. M Fletcher vs G Lock |
| 0-1 | 29 | 2011 | Hastings 2011/12 | C04 French, Tarrasch, Guimard Main line |
| 63. G Lock vs N Pert |
| 0-1 | 50 | 2011 | Hastings 2011/12 | D17 Queen's Gambit Declined Slav |
| 64. A Bourached vs G Lock |
| 0-1 | 40 | 2011 | Hastings 2011/12 | D12 Queen's Gambit Declined Slav |
| 65. G Lock vs S R Chowdhury |
| 0-1 | 63 | 2011 | Hastings 2011/12 | A55 Old Indian, Main line |
| 66. J Rudd vs G Lock |
| 0-1 | 42 | 2012 | Hastings 2011/12 | D17 Queen's Gambit Declined Slav |
| 67. G Lock vs J Houska |
 | 0-1 | 43 | 2012 | Hastings 2011/12 | D11 Queen's Gambit Declined Slav |
| 68. R Bharathi vs G Lock |
| ½-½ | 34 | 2012 | Hastings 2011/12 | B13 Caro-Kann, Exchange |
| 69. G Lock vs I Snape |
| 1-0 | 39 | 2012 | Hastings 2011/12 | A43 Old Benoni |
| 70. G Lock vs S Knott |
| 0-1 | 37 | 2012 | Hastings 2011/12 | D85 Grunfeld |
| 71. G Lock vs K Hollesen |
| 1-0 | 26 | 2024 | Hastings Weekend Open | B13 Caro-Kann, Exchange |
Kibitzing
