Youth-Trophy Youth-Championship Youth-Blitz Kids'-Simul Puzzle Alpha A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
| RATING | NAME | ST | USCFID | EXPIRES | FIDEID | EVENTS |
|---|---|---|---|---|---|---|
| 2303 | Shelev Oberoi | TX | 14961028 | 03/27 | 30908590 | WBLITZ-OPEN |
| 1928 | Paul Obiamiwe | NGR | 12682198 | 06/25 | 8500215 | NATLOPEN-U2100[4day] |
| 1637 | Jason B Ochoa | CA | 12440572 | 06/25 | 2028875 | NATLOPEN-U1700[4day,Senior] |
| 1190 | Andrew Ochs | LA | 31567942 | 11/25 | YOUTH-9UNDER[SC006] TROPHY-PREMIER YBLITZ-9UNDER PUZZLE YSIMUL | |
| 587 | Alexander Nicholas Oen | CA | 31269570 | 05/27 | YOUTH-9U-U800 TROPHY-BOOSTER YBLITZ-9UNDER | |
| 908 | Eric James Oen | CA | 30786033 | 11/25 | YOUTH-14U-U1000[SD002] TROPHY-RESERVE YBLITZ-14UNDER | |
| 1802 | Arjun Ograin | CA | 30289697 | 02/27 | 39983838 | NATLOPEN-U2100[3day] BOARDSET |
| 1636 | Andrey Olhovich | MEX | 32448812 | 05/26 | 29651816 | NATLOPEN-U1900[4day] |
| 1548 | Gregory Olroyd | FL | 12462204 | Life | 2075695 | NATLOPEN-U1700[4day,Senior] |
| 1021 | Travis Olson | WI | 32069322 | 10/25 | NATLOPEN-U1250[3day] | |
| 884 | Walter Olson | WY | 31830976 | 04/27 | NATLOPEN-U1250[4day,Senior] BOARDSET | |
| 1800 | Julia O 'Neill | AZ | 10457262 | Life | 2021447 | NATLOPEN-U2100[4day,bye1] |
| 1505 | Philip Onischuk | TX | 14421531 | 06/26 | 39960250 | NATLOPEN-U1700[4day] |
| 1929 | Michael Opaska | PA | 12769513 | 02/26 | 2058278 | NATLOPEN-U2100[3day] |
| 2186 FM | Chukwunonso Valentin Oragwu | NGR | 31460665 | 11/25 | 8501254 | NATLOPEN-U2300[3day] |
| 2186 FM | Chukwunonso Valentin Oragwu | NGR | 31460665 | 11/25 | 8501254 | WBLITZ-OPEN |
| Landon Orozco | NV | 32438719 | 05/26 | TROPHY-NOVICE | ||
| Noah Orozco | NV | 32457411 | 05/26 | TROPHY-NOVICE | ||
| 822 | Nathan Orsini | AZ | 17100252 | 02/26 | NATLOPEN-U1250[3day] | |
| 1800 | Daniell Oshima | CA | 12415774 | 02/26 | 30939623 | NATLOPEN-U1900[4day] |
| 1391 | Aidan Osmonbekov | AZ | 15379513 | 06/26 | NATLOPEN-U1500[4day] | |
| 2252 | Talaibek D Osmonbekov | AZ | 12699581 | 07/25 | 2017253 | NATLOPEN-U2300[4day] |
| Jayden Ou | CA | 32449338 | 05/27 | TROPHY-NOVICE | ||
| 1600 | Mike Owen | OR | 12408426 | 03/26 | 2062780 | NATLOPEN-U1700[4day,Senior] |
| 1900 | Keith Jay Oxman | CO | 12459346 | 10/25 | 30962951 | NATLOPEN-U2100[4day,Senior] |
