Dennis Morton Horne
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Guernsey op | ??/??/1987 | 366 | Guernsey |
| BCF-ch | 08/??/1953 | 0 | United Kingdom |
| Hastings 5354 | 12/??/1953 | 0 | United Kingdom |
| Helsinki ol (Men) | 08/10/1952 | 0 | Finland |
Most Played Openings as White
| ECO | Opening | Games |
| B55 | Sicilian, Prins variation, Venice attack | 5 games |
| C35 | King's Gambit Accepted, Cunningham defence | 3 games |
| B95 | Sicilian, Najdorf, 6...e6 | 2 games |
| B01 | Scandinavian (centre counter) defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| E50 | Nimzo-Indian, 4.e3 e8g8, 5.Nf3, without ...d5 | 2 games |
| E51 | Nimzo-Indian, 4.e3 e8g8, 5.Nf3 d7d5 | 2 games |
| E46 | Nimzo-Indian, 4.e3 O-O | 2 games |
| C73 | Ruy Lopez, modern Steinitz defence, Richter variation | 2 games |


Guernsey
United Kingdom
Finland