Jon Ludvig Hammer
Jon Ludvig Hammer | |
|---|---|
Hammer at the 2007 Norwegian Championship at Hamar | |
| Full name | Jon Ludvig Nilssen Hammer |
| Country | Norway |
| Born | 2 June 1990 Bergen, Norway |
| Title | Grandmaster (2009) |
| FIDE rating | 2608 (June 2025) |
| Peak rating | 2705 (February 2016) |
| Peak ranking | No. 40 (February 2016) |
Jon Ludvig Nilssen Hammer (born 2 June 1990) is a Norwegian chess grandmaster and three-time Norwegian Chess Champion. He was the main second for Magnus Carlsen in the World Chess Championship 2013.