Ottavio Mammi vs Kyrylo Rostalnyi
Ottavio Mammi (17, CM, ITA) and Kyrylo Rostalnyi (19, UKR) have met 1 time in classical OTB plus 6 rapid/blitz games. With current classical ratings of 2249 and 2143, the Elo model gives Mammi a 60% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2249 vs 2143 (Δ +106)
With Ottavio Mammi as white
60% Ottavio19% draw21% Kyrylo
With Kyrylo Rostalnyi as white
49% Ottavio22% draw29% Kyrylo
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Ottavio Mammi | Kyrylo Rostalnyi | |
|---|---|---|
| Current rating (STD) | 2249 | 2143 |
| Peak rating | 2249 · Apr 2026 | 2143 · Jan 2026 |
| Peak age | 17 | 19 |
| World rank now | #5,854 | #11,778 |
| World rank peak | #5,854 | #11,778 |
| Federation rank now | #100 | #227 |
| Games (career, STD) | 491 | 151 |
| Months active | 102 | 57 |
| % white wins | 57% | 57% |
| % black wins | 51% | 50% |
| TPR last 12m (STD) | 2188 | 2139 |
| Activity 12m (games) | 93 | 135 |
Best Win
Ottavio Mammi
Kyrylo Rostalnyi
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (7)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Ottavio Mammi
Kyrylo Rostalnyi