Sandra Olaya Mantuano vs Amarelis Vintimilla Pena
Sandra Olaya Mantuano (29, ECU) and Amarelis Vintimilla Pena (29, ECU) have met 5 times in classical OTB. Vintimilla Pena leads the classical series 2–1 (2 draws). With current classical ratings of 1813 and 1786, the Elo model gives Olaya Mantuano a 49% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 1813 vs 1786 (Δ +27)
With Sandra Olaya Mantuano as white
49% Sandra19% draw32% Amarelis
With Amarelis Vintimilla Pena as white
38% Sandra21% draw40% Amarelis
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Sandra Olaya Mantuano | Amarelis Vintimilla Pena | |
|---|---|---|
| Current rating (STD) | 1813 | 1786 |
| Peak rating | 1813 · Mar 2024 | 1786 · Mar 2024 |
| Peak age | 27 | 27 |
| World rank now | #80,524 | #74,419 |
| World rank peak | #54,067 | #56,152 |
| Federation rank now | #84 | #217 |
| Games (career, STD) | 335 | 254 |
| Months active | 170 | 167 |
| % white wins | 42% | 56% |
| % black wins | 42% | 37% |
| TPR last 12m (STD) | — | — |
| Activity 12m (games) | 0 | 0 |
Best Win
Sandra Olaya Mantuano
Amarelis Vintimilla Pena
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).
Sandra Olaya Mantuano
Amarelis Vintimilla Pena