Osvaldo Zambrana vs Ariel Martinez
Osvaldo Zambrana (45, GM, BOL) and Ariel Martinez (36, CM, BOL) have met 8 times in classical OTB plus 2 rapid/blitz games. Zambrana leads the classical series 7–1 (0 draws). With current classical ratings of 2355 and 2104, the Elo model gives Zambrana a 77% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2355 vs 2104 (Δ +251)
With Osvaldo Zambrana as white
77% Osvaldo13% draw10% Ariel
With Ariel Martinez as white
70% Osvaldo16% draw15% Ariel
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Osvaldo Zambrana | Ariel Martinez | |
|---|---|---|
| Current rating (STD) | 2355 | 2104 |
| Peak rating | 2515 · Jul 2010 | 2251 · May 2012 |
| Peak age | 29 | 22 |
| World rank now | #2,588 | #15,045 |
| World rank peak | #615 | #7,345 |
| Federation rank now | #2 | #15 |
| Games (career, STD) | 638 | 783 |
| Months active | 210 | 192 |
| % white wins | 57% | 72% |
| % black wins | 48% | 61% |
| TPR last 12m (STD) | 2258 | 2024 |
| Activity 12m (games) | 9 | 221 |
Best Win
Osvaldo Zambrana
Ariel Martinez
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).
Osvaldo Zambrana
Ariel Martinez