Alexei Tapia Ostolaza vs Ruben Abraham Ulloa Castillo
Alexei Tapia Ostolaza (29, FM, PAN) and Ruben Abraham Ulloa Castillo (31, CM, PAN) have met 17 times in classical OTB. Tapia Ostolaza leads with 3 wins to 2, with 12 draws — a 71% draw rate. Their last meeting at Campeonato Nacional ABSOLUTO Panama 2026 drew. With current classical ratings of 2188 and 2176, the Elo model gives Tapia Ostolaza a 45% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2188 vs 2176 (Δ +12)
With Alexei Tapia Ostolaza as white
45% Alexei23% draw32% Ruben
With Ruben Abraham Ulloa Castillo as white
34% Alexei25% draw41% Ruben
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Alexei Tapia Ostolaza | Ruben Abraham Ulloa Castillo | |
|---|---|---|
| Current rating (STD) | 2188 | 2176 |
| Peak rating | 2274 · Aug 2019 | 2238 · Apr 2018 |
| Peak age | 22 | 23 |
| World rank now | #8,804 | #9,512 |
| World rank peak | #5,855 | #7,754 |
| Federation rank now | #3 | #6 |
| Games (career, STD) | 571 | 489 |
| Months active | 166 | 165 |
| % white wins | 55% | 57% |
| % black wins | 51% | 51% |
| TPR last 12m (STD) | 2196 | 2174 |
| Activity 12m (games) | 52 | 53 |
Best Win
Alexei Tapia Ostolaza
Ruben Abraham Ulloa Castillo
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (20)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Alexei Tapia Ostolaza
Ruben Abraham Ulloa Castillo