Keigo Guerlach vs Nicolas O`Sullivan
Keigo Guerlach (27, FRA) and Nicolas O`Sullivan (28, FRA) have met 5 times in classical OTB. O`Sullivan leads the classical series 2–1 (2 draws). With current classical ratings of 2185 and 2017, the Elo model gives Guerlach a 69% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2185 vs 2017 (Δ +168)
With Keigo Guerlach as white
69% Keigo15% draw16% Nicolas
With Nicolas O`Sullivan as white
59% Keigo18% draw23% Nicolas
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Keigo Guerlach | Nicolas O`Sullivan | |
|---|---|---|
| Current rating (STD) | 2185+25 | 2017 |
| Peak rating | 2185 · May 2026 | 2029 · Sep 2015 |
| Peak age | 27 | 17 |
| World rank now | #8,982 | #26,871 |
| World rank peak | #8,982 | #26,492 |
| Federation rank now | #448 | #1,292 |
| Games (career, STD) | 713 | 372 |
| Months active | 179 | 178 |
| % white wins | 49% | 53% |
| % black wins | 43% | 41% |
| TPR last 12m (STD) | 2125 | — |
| Activity 12m (games) | 84 | 0 |
Best Win
Keigo Guerlach
Nicolas O`Sullivan
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (5)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Keigo Guerlach
Nicolas O`Sullivan