| # | Nom | Elo | Total | Pays | Classement |
| 701. | cateye57 | 1849 | 83 | - | |
| 702. | catros | 1942 | 68 | Beginner | |
| 703. | cavbleu | 2456 | 4361 | FIDE Master | |
| 704. | cazpivarov | 2254 | 281 | Apprentice | |
| 705. | caïssa | 2265 | 2120 |
|
Top Player |
| 706. | cb69 | 2473 | 11826 | FIDE Master | |
| 707. | cb_64matrix | 2110 | 98 | Amateur | |
| 708. | cbrabe | 2223 | 4978 | FIDE Master | |
| 709. | cchess1 | 2396 | 3945 | - | |
| 710. | ccposton | 2376 | 2481 | Top Player | |
| 711. | cdanderson_11 | 1797 | 387 | - | |
| 712. | cebulon | 2348 | 2262 | Top Player | |
| 713. | cembalo | 1690 | 25 | - | |
| 714. | cergen | 2337 | 5226 | FIDE Master | |
| 715. | cerys50 | 2318 | 189 | - | |
| 716. | cesar ugarte | 1979 | 39 | - | |
| 717. | cesarcastro | 2437 | 6072 | FIDE Master | |
| 718. | cestmoi | 2200 | 1237 | Shooting Star | |
| 719. | ceteri | 2238 | 1187 | Shooting Star | |
| 720. | cfdwx | 1772 | 20 | Beginner | |
| 721. | cfjohansson | 2029 | 262 | - | |
| 722. | cgpchess | 2401 | 50534 |
|
Internat. Master |
| 723. | ch99 | 2319 | 79975 |
|
FIDE Master |
| 724. | ch_bernhard | 2722 | 27966 | Grandmaster | |
| 725. | chaddaniel | 1592 | 28 | Beginner |
| # | Nom | Elo | Total | Pays | Classement |
| 726. | chadnus-karlsen | 1944 | 63 | Beginner | |
| 727. | chadyss | 2822 | 3867 |
|
World Champion |
| 728. | challa akhil | 2544 | 2754 |
|
FIDE Master |
| 729. | chamika2014 | 1873 | 50 | Beginner | |
| 730. | champi32 | 2399 | 171196 | Internat. Master | |
| 731. | chant and checkmate | 2255 | 1427 |
|
Shooting Star |
| 732. | charam | 2241 | 3817 | FIDE Master | |
| 733. | charcot | 2307 | 341 | - | |
| 734. | chariot_of_doom | 1925 | 30 | Beginner | |
| 735. | charith sai | 2310 | 406 | Strong Amateur | |
| 736. | charlev | 2340 | 434 | - | |
| 737. | charlie59 | 1987 | 3238 |
|
Club Champion |
| 738. | charly48as | 2175 | 2208 | Top Player | |
| 739. | charlylavara | 1869 | 43 | Beginner | |
| 740. | chaska | 2046 | 1926 | Club Champion | |
| 741. | chasper1963 | 1832 | 16 | - | |
| 742. | chatagner | 2337 | 2463 | Top Player | |
| 743. | chaturangina | 1868 | 265 | - | |
| 744. | chauhan4 | 1843 | 25 | Beginner | |
| 745. | chavezo | 1882 | 38 | Beginner | |
| 746. | chaweng | 2403 | 35758 | Internat. Master | |
| 747. | chechenko | 2399 | 1839 | Club Champion | |
| 748. | check and mate | 1973 | 58 | Beginner | |
| 749. | check vjj | 1838 | 38 | Beginner | |
| 750. | checkdux | 2352 | 10025 | FIDE Master |