Alfonso Jose Alfaro Rojas vs Sergio Duran Vega
Alfonso Jose Alfaro Rojas (37, FM, CRC) and Sergio Duran Vega (33, IM, CRC) have met 9 times in classical OTB plus 5 rapid/blitz games. Alfaro Rojas leads the classical series 4–0 (5 draws). With current classical ratings of 2316 and 2283, the Elo model gives Alfaro Rojas a 48% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2316 vs 2283 (Δ +33)
With Alfonso Jose Alfaro Rojas as white
48% Alfonso23% draw29% Sergio
With Sergio Duran Vega as white
36% Alfonso28% draw36% Sergio
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Alfonso Jose Alfaro Rojas | Sergio Duran Vega | |
|---|---|---|
| Current rating (STD) | 2316 | 2283-15 |
| Peak rating | 2338 · Mar 2025 | 2408 · Feb 2017 |
| Peak age | 36 | 24 |
| World rank now | #3,597 | #4,616 |
| World rank peak | #3,015 | #1,976 |
| Federation rank now | #6 | #7 |
| Games (career, STD) | 309 | 1,355 |
| Months active | 200 | 186 |
| % white wins | 59% | 59% |
| % black wins | 57% | 53% |
| TPR last 12m (STD) | 1585 | 2259 |
| Activity 12m (games) | 28 | 253 |
Best Win
Alfonso Jose Alfaro Rojas
Sergio Duran Vega
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (14)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Alfonso Jose Alfaro Rojas
Sergio Duran Vega