Marco Vaccari vs Ottavio Mammi
Marco Vaccari (27, ITA) and Ottavio Mammi (17, CM, ITA) have met 8 times in classical OTB plus 2 rapid/blitz games. Mammi leads the classical series 4–2 (2 draws). With current classical ratings of 1728 and 2249, the Elo model gives Mammi a 91% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 1728 vs 2249 (Δ -521)
With Marco Vaccari as white
2% Marco7% draw91% Ottavio
With Ottavio Mammi as white
1% Marco6% draw93% Ottavio
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Marco Vaccari | Ottavio Mammi | |
|---|---|---|
| Current rating (STD) | 1728-26 | 2249 |
| Peak rating | 1762 · Mar 2024 | 2249 · Apr 2026 |
| Peak age | 25 | 17 |
| World rank now | #99,986 | #5,854 |
| World rank peak | #79,661 | #5,854 |
| Federation rank now | #3,357 | #100 |
| Games (career, STD) | 359 | 491 |
| Months active | 102 | 102 |
| % white wins | 48% | 57% |
| % black wins | 36% | 51% |
| TPR last 12m (STD) | 1631 | 2188 |
| Activity 12m (games) | 50 | 93 |
Best Win
Marco Vaccari
Ottavio Mammi
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (10)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Marco Vaccari
Ottavio Mammi