Alfonso Jose Alfaro Rojas vs Mauricio Arias Santana
Alfonso Jose Alfaro Rojas (37, FM, CRC) and Mauricio Arias Santana (49, IM, CRC) have met 10 times in classical OTB. Arias Santana leads with 2 wins to 1, with 7 draws — a 70% draw rate. Their last meeting at Magistral Mijail Tal Preolimpico 2015 drew. With current classical ratings of 2316 and 2163, the Elo model gives Alfaro Rojas a 66% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2316 vs 2163 (Δ +153)
With Alfonso Jose Alfaro Rojas as white
66% Alfonso17% draw17% Mauricio
With Mauricio Arias Santana as white
56% Alfonso20% draw24% Mauricio
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Alfonso Jose Alfaro Rojas | Mauricio Arias Santana | |
|---|---|---|
| Current rating (STD) | 2316 | 2163 |
| Peak rating | 2338 · Mar 2025 | 2368 · Jan 2010 |
| Peak age | 36 | 33 |
| World rank now | #3,597 | #10,352 |
| World rank peak | #3,015 | #2,808 |
| Federation rank now | #6 | #11 |
| Games (career, STD) | 309 | 627 |
| Months active | 200 | 215 |
| % white wins | 59% | 59% |
| % black wins | 57% | 54% |
| TPR last 12m (STD) | 1585 | 2103 |
| Activity 12m (games) | 28 | 7 |
Best Win
Alfonso Jose Alfaro Rojas
Mauricio Arias Santana
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (16)
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
Mauricio Arias Santana