Klaus Mertins
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| GER-ch 11th Seniors | 04/??/1999 | 2012 | Germany |
| GER-ch int Seniors | 08/??/1998 | 541 | Germany |
| GER-chT Seniors | 08/??/1997 | 541 | Germany |
| GER-chT Seniors | ??/??/1996 | 515 | Germany |
Most Played Openings as White
| ECO | Opening | Games |
| D13 | Queen's Gambit Declined Slav, exchange variation | 5 games |
| A07 | Reti, King's Indian attack (Barcza system) | 3 games |
| E67 | King's Indian, fianchetto with ...Nd7 | 2 games |
| A05 | Reti opening | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| D02 | Queen's pawn game | 5 games |
| C01 | French, exchange variation | 4 games |
| D52 | Queen's Gambit Declined | 3 games |
| C12 | French, MacCutcheon variation | 3 games |
Germany
Male
FIDE ID:

