John MacArthur
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| 35th Eastern Open | 12/27/2008 | 1993 | United States |
| US op 108th | 07/28/2007 | 919 | United States |
| USA-chT Amateur East | 02/17/2007 | 665 | United States |
| Foxwoods op 6th | 04/07/2004 | 2112 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| A00 | Polish (Sokolsky) opening | 4 games |
| A47 | Queen's Indian defence | 2 games |
| A80 | Dutch | 1 games |
| A03 | Bird's opening | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A57 | Benko gambit | 6 games |
| B85 | Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc6 | 2 games |
| A70 | Benoni, classical with e4 and Nf3 | 2 games |
| B15 | Caro-Kann defence | 1 games |
United States
Male
FIDE ID:

