| # | Name | Elo | Anzahl | Land | Rang |
| 401. | botvinnikrook | 2252 | 431 | Talent | |
| 402. | boulanger | 2063 | 1129 | Shooting Star | |
| 403. | bourbaki chess | 2749 | 73498 |
|
Grandmaster |
| 404. | bournac | 2768 | 33822 | Grandmaster | |
| 405. | boutet | 1826 | 43 | Beginner | |
| 406. | brad huhn | 2525 | 6509 | Internat. Master | |
| 407. | brandonvs | 2423 | 1451 |
|
Shooting Star |
| 408. | brandymanhattan | 2128 | 216 |
|
Apprentice |
| 409. | breitenmoser | 2185 | 30846 | Master Candidate | |
| 410. | breizhman | 2146 | 14439 | Master Candidate | |
| 411. | brewcliff | 2109 | 1499 |
|
Shooting Star |
| 412. | brian cunningham | 1913 | 67 | Beginner | |
| 413. | bright_sun 001 | 2582 | 579 | Amateur | |
| 414. | brinckmann | 2612 | 7432 | Grandmaster | |
| 415. | brocker12 | 2341 | 263 | Apprentice | |
| 416. | brodszky | 1972 | 46 | Beginner | |
| 417. | brothersimon | 1977 | 91 | Amateur | |
| 418. | brummer | 2475 | 11314 | Internat. Master | |
| 419. | brunhildchen | 1800 | 540 | Beginner | |
| 420. | brunopiller | 2087 | 1334 |
|
Shooting Star |
| 421. | bryanbaiju | 2280 | 670 |
|
Player |
| 422. | btez62 | 2189 | 17404 | Master Candidate | |
| 423. | btmcg | 1668 | 4 | - | |
| 424. | buattye187 | 2300 | 184 | Amateur | |
| 425. | buchgeister | 3225 | 21603 | World Champion |
| # | Name | Elo | Anzahl | Land | Rang |
| 426. | bufo | 2212 | 4379 | FIDE Master | |
| 427. | buggyboy | 1619 | 3 | - | |
| 428. | bulent77 | 1926 | 290 |
|
Apprentice |
| 429. | bullockt | 2342 | 59398 | FIDE Master | |
| 430. | bunnynippler9 | 2171 | 576 | Talent | |
| 431. | buntal | 2208 | 26055 | Master Candidate | |
| 432. | burik_07 | 2116 | 93 | Amateur | |
| 433. | burkhard 666 | 2250 | 1858 | Club Champion | |
| 434. | buzzknight | 1587 | 2 | - | |
| 435. | bvongunten | 1683 | 8 | - | |
| 436. | büttner | 2042 | 2638 |
|
Club Champion |
| 437. | c-max1 | 2106 | 327 | Strong Apprentice | |
| 438. | c8a6 | 2146 | 4316 | Top Player | |
| 439. | cacaouette | 2067 | 101 | Amateur | |
| 440. | cacovean adrian | 2221 | 31772 |
|
FIDE Master |
| 441. | cadarette | 2340 | 38264 | FIDE Master | |
| 442. | cadavid1998 | 1857 | 56 | - | |
| 443. | cafedefrance1 | 1842 | 3900 |
|
Club Champion |
| 444. | cafehausschach | 1857 | 34 | Beginner | |
| 445. | cahuideguerrero | 2065 | 91 | Amateur | |
| 446. | callumthomas006 | 2064 | 124 |
|
Strong Amateur |
| 447. | caloyski2007 | 2062 | 63 | Beginner | |
| 448. | camaleoncio1 | 2138 | 144 | Strong Amateur | |
| 449. | cammiefields | 2614 | 5303 | Internat. Master | |
| 450. | cantalicio | 2431 | 477 |
|
Amateur |