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 |
|---|---|---|---|---|---|---|
| 2312 | Shelev Oberoi | TX | 14961028 | 01/24 | 30908590 | NATLOPEN-OPEN[5day] |
| 1930 | Alex Ochkur | AZ | 14108151 | 09/23 | 30942012 | NATLOPEN-U1900[2day,bye7] WBLITZ-U1900 |
| 2259 | Michael Ocido | PHI | 16580302 | 06/24 | 115201920 | NATLOPEN-U2300[3day] |
| 366 | Joshua O 'Day | VA | 30053169 | 02/25 | 39923320 | NATLOPEN-BEGINNERS[schedFriday,Saturday,Sunday] CAMP-BOTH BOARDSET |
| 1809/21 | Jargalmaa Odgerel | MGL | 17245342 | 05/24 | 4902866 | NATLOPEN-U1900[3day] BLITZ3 |
| 1284 | Arjun Ograin | CA | 30289697 | 11/23 | NATLOPEN-U1300[3day] PUZZLE CAMP-BOTH BOARDSET | |
| 1839 | Cody Oldham | CA | 12845687 | 08/24 | 2040433 | NATLOPEN-U1900[4day] |
| 1576 | Mark L Oliger | WA | 12565682 | Life | 39905659 | NATLOPEN-U1700[4day] |
| 1420 | David R Olson | CA | 13913131 | 09/24 | 2054850 | NATLOPEN-U1700[4day,Senior] |
| 1487 | Francis Gio Bigol Ordanza | CA | 30223131 | 07/24 | YOUTH-9UNDER[SD002] YBLITZ-9UNDER PUZZLE CAMP-BOTH | |
| 1050 | Zechariah J Orellana | AZ | 16574801 | 05/24 | NATLOPEN-U1300[4day] | |
| 914 | Nate Orsini | AZ | 17100252 | 12/23 | NATLOPEN-U1300[3day] | |
| 2168 | Anthony Ortega | CT | 12080680 | 06/24 | 2008785 | NATLOPEN-U2300[3day] |
| 1576 | Christopher Osborn | TX | 12907526 | 06/24 | 2049821 | NATLOPEN-U1700[4day] WBLITZ-U1900 BLITZ1 |
| 1800 | Daniel Oshima | CA | 12415774 | 12/23 | 30939623 | NATLOPEN-U1900[4day] |
| 1800 | Daniel Oshima | CA | 12415774 | 12/23 | 30939623 | SIMUL-IMROSEN |
| 1802 | Owen Overton | CA | 10501768 | 11/24 | 30908507 | NATLOPEN-U1900[4day,Senior] |
| 1900 | Keith Oxman | CO | 12459346 | 08/24 | 30962951 | NATLOPEN-U2100[4day] |
| 1526 | Seyma Oz | TUR | 16078811 | 05/24 | 34579370 | NATLOPEN-U1500[3day] |
