Hans Joachim Birkholz
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| DDR-ch U20 | 08/07/1954 | 0 |
Most Played Openings as White
| ECO | Opening | Games |
| E67 | King's Indian, fianchetto with ...Nd7 | 2 games |
| E11 | Bogo-Indian defence | 1 games |
| A90 | Dutch defence | 1 games |
| C14 | French, classical variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A94 | Dutch, stonewall with Ba3 | 1 games |
| E81 | King's Indian, Saemisch, 5...O-O | 1 games |
| C05 | French, Tarrasch, closed variation | 1 games |
| D93 | Gruenfeld with Bf4 e3 | 1 games |


