Alexander I Kostiuchenko
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| UKR-ch | 04/??/1964 | 0 | Ukraine |
| URS-chT sf | ??/??/1964 | 0 | |
| Kiev Avantgard-ch | ??/??/1963 | 0 | Ukraine |
| Kiev-ch | ??/??/1963 | 0 | Ukraine |
Most Played Openings as White
| ECO | Opening | Games |
| A11 | English, Caro-Kann defensive system | 3 games |
| A20 | English opening | 3 games |
| A24 | English, Bremen system with ...g6 | 3 games |
| D45 | Queen's Gambit Declined semi-Slav, 5.e3 | 3 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B06 | Robatsch (modern) defence | 8 games |
| A42 | Modern defence, Averbakh system | 6 games |
| D36 | Queen's Gambit Declined, exchange, positional line, 6.Qc2 | 4 games |
| B18 | Caro-Kann, classical variation | 4 games |


Ukraine