 
                                    | Date | Chess tournament name | Status | ||
|---|---|---|---|---|
| No results | No results | No results | No results | No results | 
| Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| 2019.08.27 | Clarkson, George (1681)  vs (1264) Chaban, Roxolana 106th British Chess Championships Sicilian Alapin | 1-0 | B22 | |
| 2019.08.27 | Lindquist, James (1348)  vs (1681) Clarkson, George 106th British Chess Championships Indian East Indian - London | 0-1 | A48 | |
| 2019.08.27 | Nguyen, Ryan (112)  vs (1681) Clarkson, George 106th British Chess Championships French Closed Tarrasch | 0-1 | C06 | |
| 2019.08.02 | Liu, Jack (1259)  vs (1681) Clarkson, George 106th British Chess Championships French Closed Tarrasch | 0-1 | C06 | |
| 2019.08.01 | Clarkson, George (1681)  vs (1518) Agrawal, Shivam 106th British Chess Championships Caro-Kann Exchange - Panov | 0-1 | B13 | |
| 2019.07.26 | Clarkson, George (1681)  vs (1452) Pert, Nina P 106th British Chess Championships Caro-Kann Exchange - Panov | 0-1 | B13 | |
| 2019.07.31 | Wu, Yuxuan (1465)  vs (1681) Clarkson, George 106th British Chess Championships Sicilian Center Game - Smith-Morra | 0-1 | B21 | |
| 2019.07.26 | Mann, Lev (114)  vs (1681) Clarkson, George 106th British Chess Championships French Advance - Euwe | 0-1 | C02 | |
| 2019.07.30 | Clarkson, George (1681)  vs (1405) Wynn, Jacob 106th British Chess Championships Spanish Morphy - Archangelsk | 1-0 | C78 | |
| 2019.07.26 | Clarkson, George (1681)  vs (97) Li, Evan 106th British Chess Championships French Paulsen - Marshall | 1-0 | C10 | |
| 2019.07.29 | Pert, Nina P (1452)  vs (1681) Clarkson, George 106th British Chess Championships French MacCutcheon - Olland | 1-0 | C12 | |
| 2019.07.28 | Clarkson, George (1681)  vs (1375) Acharya, Kandara 106th British Chess Championships Sicilian - Hungarian | 1-0 | B27 | |
| 2018.12.16 | Clarkson, George (1600)  vs (1755) Mcaleenan, Charles T 10th CSC London Chess Classic Scandinavian | 1-0 | B01 | |
| 2018.12.16 | Beltran Vidal, Daniel (1676)  vs (1600) Clarkson, George 10th CSC London Chess Classic Reti Symmetrical - Nimzovich | 1-0 | A05 | |
| 2018.12.15 | Clarkson, George (1600)  vs (1737) Homer, Neil S 10th CSC London Chess Classic Caro-Kann - Two Knights (Mindeno) | 1-0 | B11 | |
| 2018.12.15 | Watkins, Bridgette (1356)  vs (1600) Clarkson, George 10th CSC London Chess Classic French - Exchange | 0-1 | C01 | |
| 2018.12.14 | Clarkson, George (1600)  vs (1742) Ter Hark, Alex 10th CSC London Chess Classic Sicilian - Hungarian | 0-1 | B27 | |
| 2018.07.28 | Clarkson, George (142)  vs (145) Auchi, Nadhmi 105th British Championships French - Schlechter | 0-1 | C01 | |
| 2018.07.28 | Makkar, Rajat (190)  vs (142) Clarkson, George 105th British Championships Gruenfeld - Gruenfeld | 1/2-1/2 | E60 | |
| 2018.08.04 | Clarkson, George (1341)  vs (1255) Lohia, Sohum 105th British Championships King's Knight - Scotch Gambit | 1-0 | C44 | |
| 2018.08.03 | Verma, Shlok (1623)  vs (1341) Clarkson, George 105th British Championships King's Indian Schwarz - Kramer | 0-1 | E70 | |
| 2018.07.28 | Clarkson, George (142)  vs (152) Chung, Ethan Cj 105th British Championships French - Schlechter | 1-0 | C01 | |
| 2018.08.02 | Clarkson, George (1341)  vs (1308) Kumar, Sanjit S 105th British Championships Falkbeer Counter-Gambit | 0-1 | C31 | |
| 2018.08.01 | Farahi-Far, Arman (1345)  vs (1341) Clarkson, George 105th British Championships King's Indian Schwarz - Kramer | 0-1 | E70 | |
| 2018.07.27 | Agrawal, Shivam (123)  vs (142) Clarkson, George 105th British Championships Reti Symmetrical - Barcza | 0-1 | A05 | |
| 2018.07.31 | Clarkson, George (1341)  vs (1109) Thooran, Kavin 105th British Championships Falkbeer Counter-Gambit | 1-0 | C31 | |
| 2018.07.30 | Clarkson, George (1341)  vs (925) Volovich, Andrew 105th British Championships King's Gambit Declined - Nimzovich | 1-0 | C30 | |
| 2018.07.27 | Clarkson, George (142)  vs (101) Hurst, Joseph 105th British Championships Scandinavian | 1-0 | B01 | |
| 2018.07.29 | Thatte, Nishchal (1748)  vs (1341) Clarkson, George 105th British Championships French Closed Tarrasch | 1-0 | C06 | |
| 2018.07.27 | Chaban, Roxolana (91)  vs (142) Clarkson, George 105th British Championships French Closed Tarrasch | 0-1 | C05 | |
| 2017.08.13 | Clarkson, George (140)  vs (154) Hosdurga, Chirag 2017 UK Chess Challenge: Terafinal King's Knight - Scotch Gambit | 0-1 | C44 | |
| 2017.08.13 | Pelling, Kyle (95)  vs (140) Clarkson, George 2017 UK Chess Challenge: Terafinal French MacCutcheon - Lasker | 0-1 | C12 | |
| 2017.08.13 | Clarkson, George (140)  vs (102) Ives, Leonora 2017 UK Chess Challenge: Terafinal King's Knight - Scotch Gambit | 1-0 | C44 | |
| 2017.08.12 | Stoyanov, Viktor (177)  vs (140) Clarkson, George 2017 UK Chess Challenge: Terafinal Indian | 1-0 | A45 | |
| 2017.08.12 | Clarkson, George (140)  vs (103) Little, Amy 2017 UK Chess Challenge: Terafinal Robatsch - Lizard | 1-0 | B06 | |
| 2017.08.12 | Hobkirk-Capps, Mercedes L (75)  vs (140) Clarkson, George 2017 UK Chess Challenge: Terafinal French Paulsen - Steinitz (Boleslavsky) | 0-1 | C11 | |
| 2017.07.29 | Verma, Shlok (113)  vs (130) Clarkson, George 104th British Championships King's Indian | 0-1 | E61 | |
| 2017.07.29 | Thatte, Nishchal (137)  vs (130) Clarkson, George 104th British Championships French Classical - Steinitz | 0-1 | C14 | |
| 2017.07.29 | Clarkson, George (130)  vs (77) Gardiner, Ethan 104th British Championships King's Knight - Scotch Gambit | 1-0 | C44 | |
| 2017.07.29 | El Bachir, Yacine (95)  vs (130) Clarkson, George 104th British Championships French Advance | 1/2-1/2 | C02 | |
| 2017.08.05 | Clarkson, George (1383)  vs (1553) Verma, Shlok 104th British Championships Scandinavian | 1/2-1/2 | B01 | |
| 2017.08.04 | Dharmasena, Kian (1442)  vs (1383) Clarkson, George 104th British Championships French - Exchange | 1/2-1/2 | C01 | |
| 2017.07.28 | Clarkson, George (130)  vs (74) Malhotra, Parth 104th British Championships King's Knight - Scotch | 1-0 | C44 | |
| 2017.08.03 | Clarkson, George (1383)  vs (1330) Dupuis, Denis K 104th British Championships Two Knights Anti-Lange - Scotch Gambit | 1-0 | C56 | |
| 2017.08.02 | Kirby, Andrew (1562)  vs (1383) Clarkson, George 104th British Championships English Anglo-Indian (Queen's Knight) | 1/2-1/2 | A16 | |
| 2017.08.01 | Clarkson, George (1383)  vs (1210) Cox, Lucian 104th British Championships Sicilian Alapin | 1-0 | B22 | |
| 2017.07.28 | Arora, Tashika (57)  vs (130) Clarkson, George 104th British Championships Indian East Indian | 0-1 | A48 | |
| 2017.07.31 | Thatte, Nishchal (1535)  vs (1383) Clarkson, George 104th British Championships English Anglo-Indian (Queen's Knight) | 1-0 | A16 | |
| 2017.07.30 | Clarkson, George (1383)  vs (1105) Acharya, Kandara 104th British Championships Sicilian Alapin | 1-0 | B22 | |
| 2016.12.11 | Clarkson, George (1352)  vs (1546) Oyama, Harunobu 8th CSC London Chess Classic Sicilian Alapin | 1/2-1/2 | B22 | |
| 2016.12.11 | Macdonald, Amaya (902)  vs (1352) Clarkson, George 8th CSC London Chess Classic French Advance | 0-1 | C02 | |
| 2016.12.10 | Barry, Steve (1558)  vs (1352) Clarkson, George 8th CSC London Chess Classic French Paulsen - Steinitz | 1-0 | C11 | |
| 2016.12.10 | Clarkson, George (1352)  vs (1541) Paglialunga, Carlo 8th CSC London Chess Classic Pirc | 1-0 | B07 | |
| 2016.07.25 | Srikanta Prasad, Suyash vs (1450) Clarkson, George 2016 British Chess Championships French - King's Knight | 0-1 | C00 | |
| 2016.07.23 | Clarkson, George (1450)  vs (1424) Royal, Shreyas 2016 British Chess Championships Sicilian Closed | 0-1 | B23 | |
| 2016.07.25 | Shah, Kian (1500)  vs (1450) Clarkson, George 2016 British Chess Championships French Paulsen - Steinitz | 1-0 | C11 | |
| 2016.07.23 | Birks, Joe H (106)  vs (1450) Clarkson, George 2016 British Chess Championships French Classical | 0-1 | C13 | |
| 2016.07.23 | Clarkson, George (1450)  vs (91) Easwar, Keerthana 2016 British Chess Championships King's Knight - Scotch Gambit | 1-0 | C44 | |
| 2016.07.24 | Clarkson, George (1450)  vs (1410) Kolani, Arjun 2016 British Chess Championships King's Knight - Scotch Gambit (Haxo) | 1-0 | C44 | |
| 2016.07.23 | Gurjar, Roshan (71)  vs (1450) Clarkson, George 2016 British Chess Championships French - Exchange | 0-1 | C01 | |
| 2016.07.24 | Clarkson, George (1450)  vs (1350) Thatte, Nishchal 2016 British Chess Championships French Advance - Milner-Barry | 1-0 | C02 | |
| 2016.07.23 | Clarkson, George (1450)  vs (52) Lee, Alexander 2016 British Chess Championships French Advance - Milner-Barry | 1-0 | C02 | |
| 2016.07.24 | Chikovsky, Arthur (61)  vs (1450) Clarkson, George 2016 British Chess Championships French Paulsen - Steinitz | 0-1 | C11 | |
| 2016.07.23 | Zheng, Harry (20)  vs (1450) Clarkson, George 2016 British Chess Championships French Advance - Nimzovich | 0-1 | C02 | |
| 2016.07.24 | Clarkson, George (1450)  vs (44) Pert, Nina 2016 British Chess Championships French Advance - Euwe | 1-0 | C02 | |
| 2015.07.27 | Clarkson, George (102)  vs (68) Ratnesan, Radha 2015 British Chess Championships: Under 9 Spanish Steinitz | 0-1 | C62 | |
| 2015.07.27 | Yoon, Jacob D (72)  vs (102) Clarkson, George 2015 British Chess Championships: Under 9 Italian | 1-0 | C50 | |
| 2015.07.26 | Clarkson, George (102)  vs (1520) Volovich, Julia 2015 British Chess Championships: Under 9 Sicilian Closed | 0-1 | B23 | |
| 2015.07.26 | Sivakumar, Prasanna vs (102) Clarkson, George 2015 British Chess Championships: Under 9 Italian | 0-1 | C50 | |
| 2015.07.25 | Clarkson, George (102)  vs (81) Shah, Kian 2015 British Chess Championships: Under 8 Sicilian Closed | 1/2-1/2 | B23 | |
| 2015.07.26 | Clarkson, George (102)  vs (59) Neogi, Sasmit 2015 British Chess Championships: Under 9 Spanish Berlin | 1-0 | C65 | |
| 2015.07.25 | Radhakrishnan, Dhruv (1469)  vs (102) Clarkson, George 2015 British Chess Championships: Under 8 Giuoco Piano - Greco | 1-0 | C54 | |
| 2015.07.26 | Haridas, Navieinaah (1154)  vs (102) Clarkson, George 2015 British Chess Championships: Under 9 Two Knights - Modern Bishop | 0-1 | C55 | |
| 2015.07.25 | Chung, Ethan (60)  vs (102) Clarkson, George 2015 British Chess Championships: Under 8 Evans Gambit - Declined | 0-1 | C51 | |
| 2015.07.25 | Clarkson, George (102)  vs (46) Velayudham, Suriya 2015 British Chess Championships: Under 8 Two Knights | 1-0 | C58 | |
| 2015.07.25 | Easwar, Keerthana vs (102) Clarkson, George 2015 British Chess Championships: Under 8 Italian | 0-1 | C50 | |
| 2015.09.30 | Clarkson, George vs Borzan, Matej m8 Spanish Classical | 1/2-1/2 | C64 | |
| 2015.09.29 | Clarkson, George vs (1110) Gos, Aleksander m8 Sicilian Closed | 0-1 | B23 | |
| 2015.09.28 | Gregoric, Andraz (1267)  vs Clarkson, George m8 King's Knight - Scotch Gambit | 1-0 | C44 | |
| 2015.09.27 | Clarkson, George vs Nagornyi, Igor m8 Caro-Kann Exchange | 0-1 | B13 | |
| 2015.09.25 | Kovac, Mak vs Clarkson, George m8 Spanish Berlin | 0-1 | C65 | |
| 2015.09.24 | Clarkson, George vs Popovskyi, Oleksii m8 Sicilian Closed | 1-0 | B23 | |
| 2015.09.23 | Miron, Iurii vs Clarkson, George m8 Queen's Gambit Accepted | 1/2-1/2 | D20 | |
| 2015.09.22 | Clarkson, George vs Strybuk, Artiom m8 Spanish - Cozio | 0-1 | C60 | |
| 2015.09.21 | Kochetov, Vladislav (1703)  vs Clarkson, George m8 Spanish Berlin | 1-0 | C65 | 
| Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| No results | No results | No results | No results | No results |