Gregory Markzon
Born: 1949
Title: FIDE Master
Nation: USA
FIDE Rating: 2100
Title: FIDE Master
Nation: USA
FIDE Rating: 2100
| Tournament | Place | Result | Cat. |
|---|---|---|---|
| 2021 US Chess Masters | 106 / 151 | 3.5 / 9 | |
| 2016 Millionaire Open | 86 / 102 | 2.0 / 6 | |
| 2016 World Open | 213 / 221 | 1.0 / 4 | |
| 2013 World Open | 107 / 114 | 0.0 / 1 | |
| 2006 World Open | 127 / 237 | 4.0 / 8 | |
| 2005 World Open | 110 / 204 | 4.0 / 9 | |
| 2004 World Open | 196 / 234 | 2.5 / 7 | |
| 2003 World Open | 116 / 237 | 4.0 / 8 | |
| 2003 U.S. Championship | 45 / 58 | 3.5 / 9 | |
| 2002 World Open | 61 / 217 | 5.0 / 9 | |
| 1997 New York Open | 233 / 274 | 2.0 / 7 | |
| 1994 New York Open | 190 / 201 | 1.0 / 4 | |
| 1992 New York Open | 46 / 183 | 5.0 / 9 |