Clarence Seaman Howell
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Madrid sim | ??/??/1923 | 0 |  Spain |
| Rice CC-Brooklyn CC | 02/12/1909 | 0 |  United States |
| ENG-USA cable m | ??/??/1908 | 0 |  United Kingdom |
| Trenton Falls | ??/??/1908 | 0 | United States |
Most Played Openings as White
| ECO | Opening | Games |
| C61 | Ruy Lopez, Bird's defence | 1 games |
| B29 | Sicilian, Nimzovich-Rubinstein variation | 1 games |
| C14 | French, classical variation | 1 games |
| C48 | Four knights, Spanish variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D02 | Queen's pawn game | 2 games |
| B73 | Sicilian, dragon, classical, 8.O-O | 2 games |
| D46 | Queen's Gambit Declined semi-Slav, 6.Bd3 | 1 games |
| C80 | Ruy Lopez, open (Tarrasch) defence | 1 games |
