Mark L Hebden vs Simon K Williams
Mark L Hebden (68, GM, ENG) and Simon K Williams (47, GM, ENG) have met 16 times in classical OTB. Williams leads with 6 wins to 5, with 5 draws — a 31% draw rate. Their last meeting at 2024 British Championship drew. With current classical ratings of 2350 and 2455, the Elo model gives Williams a 48% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2350 vs 2455 (Δ -105)
With Mark L Hebden as white
28% Mark24% draw48% Simon
With Simon K Williams as white
21% Mark20% draw59% Simon
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Mark L Hebden | Simon K Williams | |
|---|---|---|
| Current rating (STD) | 2350-3 | 2455+4 |
| Peak rating | 2567 · Oct 2001 | 2550 · Nov 2009 |
| Peak age | 43 | 30 |
| World rank now | #2,714 | #963 |
| World rank peak | #187 | #363 |
| Federation rank now | #42 | #21 |
| Games (career, STD) | 1,653 | 1,049 |
| Months active | 219 | 219 |
| % white wins | 62% | 57% |
| % black wins | 55% | 49% |
| TPR last 12m (STD) | 2010 | 2434 |
| Activity 12m (games) | 97 | 115 |
Best Win
Mark L Hebden
Simon K Williams
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (22)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Mark L Hebden
Simon K Williams