White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
Costello, John
|
1900
|
Flint, Martina
|
1858
|
A42
|
2016
|
0-1
| 45 |
|
|
|
Costello, John
|
1900
|
Potter, Steven
|
1915
|
A85
|
2016
|
0-1
| 24 |
|
|
|
Costello, John
|
1585
|
Nwachukwu, Chino
|
1936
|
E73
|
2016
|
0-1
| 37 |
|
|
|
Costello, John
|
1710
|
Willson, Ollie
|
2087
|
E12
|
2017
|
0-1
| 63 |
|
|
|
Costello, John
|
1733
|
Collins, Richard Arnol...
|
1930
|
D08
|
2018
|
0-1
| 31 |
|
|
|
Costello, John
|
1718
|
Floresc, Petru
|
1967
|
D43
|
2019
|
0-1
| 29 |
|
|
|