Konstantin Z Lerner
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| TCh-ISR | 01/29/2010 | 2446 | Israel |
| Yoel Geva YTGM | 08/09/2009 | 2441 | Israel |
| TCh-ISR 2008-9 | 12/12/2008 | 2425 | Israel |
| 34th ch-ISR | 12/01/2008 | 2501 | Israel |
Most Played Openings as White
| ECO | Opening | Games |
| D43 | Queen's Gambit Declined semi-Slav | 16 games |
| E15 | Queen's Indian, 4.g3 | 15 games |
| A16 | English opening | 12 games |
| E97 | King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation) | 12 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B66 | Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 | 70 games |
| E15 | Queen's Indian, 4.g3 | 59 games |
| E12 | Queen's Indian defence | 31 games |
| A46 | Queen's pawn game | 19 games |
Ukraine
FIDE ID:

Israel