Ariel Diaz Perez vs Roman Portales Borrero
Ariel Diaz Perez (34, CUB) and Roman Portales Borrero (58, FM, CUB) have met 8 times in classical OTB. Portales Borrero leads the classical series 4–0 (4 draws). With current classical ratings of 2073 and 2014, the Elo model gives Diaz Perez a 53% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2073 vs 2014 (Δ +59)
With Ariel Diaz Perez as white
53% Ariel20% draw27% Roman
With Roman Portales Borrero as white
42% Ariel23% draw35% Roman
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Ariel Diaz Perez | Roman Portales Borrero | |
|---|---|---|
| Current rating (STD) | 2073 | 2014 |
| Peak rating | 2130 · Apr 2008 | 2306 · Jul 2009 |
| Peak age | 16 | 41 |
| World rank now | #18,068 | #25,148 |
| World rank peak | #17,118 | #4,221 |
| Federation rank now | #171 | #226 |
| Games (career, STD) | 172 | 179 |
| Months active | 198 | 193 |
| % white wins | 41% | 33% |
| % black wins | 32% | 35% |
| TPR last 12m (STD) | — | — |
| Activity 12m (games) | 0 | 0 |
Best Win
Ariel Diaz Perez
Roman Portales Borrero
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (8)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Ariel Diaz Perez
Roman Portales Borrero