Jerzy Jonczyk
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| POL-chT2 | 09/04/2004 | 2136 | Poland |
| POL-chT2 | 09/06/2003 | 1912 | Poland |
| MK Cafe Cup-B | 08/03/1999 | 2231 | Poland |
| MK Cafe op-A | 08/03/1997 | 2355 | Poland |
Most Played Openings as White
| ECO | Opening | Games |
| D03 | Torre attack (Tartakower variation) | 5 games |
| A48 | King's Indian, East Indian defence | 4 games |
| D02 | Queen's pawn game | 4 games |
| A46 | Queen's pawn game | 3 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B15 | Caro-Kann defence | 4 games |
| D15 | Queen's Gambit Declined Slav, 4.Nc3 | 2 games |
| D10 | Queen's Gambit Declined Slav defence | 2 games |
| D06 | Queen's Gambit | 2 games |
Poland
Male
FIDE ID:

