Beatriz Fernandes vs Mariana Nara Santana Da Costa
Beatriz Fernandes (17, BRA) and Mariana Nara Santana Da Costa (16, BRA) have met 4 times in classical OTB plus 2 rapid/blitz games. Da Costa leads the classical series 4–0 (0 draws). With current classical ratings of 1783 and 1886, the Elo model gives Da Costa a 50% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 1783 vs 1886 (Δ -103)
With Beatriz Fernandes as white
31% Beatriz19% draw50% Mariana
With Mariana Nara Santana Da Costa as white
23% Beatriz16% draw61% Mariana
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Beatriz Fernandes | Mariana Nara Santana Da Costa | |
|---|---|---|
| Current rating (STD) | 1783 | 1886 |
| Peak rating | 1784 · Apr 2026 | 1934 · Aug 2025 |
| Peak age | 17 | 15 |
| World rank now | #81,600 | #51,614 |
| World rank peak | #79,227 | #39,068 |
| Federation rank now | #1,304 | #749 |
| Games (career, STD) | 302 | 349 |
| Months active | 83 | 76 |
| % white wins | 44% | 55% |
| % black wins | 42% | 52% |
| TPR last 12m (STD) | 1460 | 1756 |
| Activity 12m (games) | 131 | 169 |
Best Win
Beatriz Fernandes
Mariana Nara Santana Da Costa
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (6)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Beatriz Fernandes
Mariana Nara Santana Da Costa