Juan Carlos Obregon Rivero vs Sion Radamantys Galaviz Medina
Juan Carlos Obregon Rivero (37, GM, MEX) and Sion Radamantys Galaviz Medina (21, GM, MEX) have met 12 times in classical OTB. They split decisive games at 4–4 with 4 draws — a 33% draw rate. Their last meeting at I Campeonato Nacional e Internacional de Ajedrez Monterrey 2025 - Primera drew. With current classical ratings of 2446 and 2513, the Elo model gives Galaviz Medina a 41% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2446 vs 2513 (Δ -67)
With Juan Carlos Obregon Rivero as white
32% Juan28% draw41% Sion
With Sion Radamantys Galaviz Medina as white
24% Juan23% draw53% Sion
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Juan Carlos Obregon Rivero | Sion Radamantys Galaviz Medina | |
|---|---|---|
| Current rating (STD) | 2446-17 | 2513-1 |
| Peak rating | 2560 · May 2015 | 2515 · Oct 2025 |
| Peak age | 26 | 20 |
| World rank now | #1,058 | #504 |
| World rank peak | #381 | #488 |
| Federation rank now | #5 | #3 |
| Games (career, STD) | 953 | 732 |
| Months active | 210 | 149 |
| % white wins | 62% | 66% |
| % black wins | 58% | 59% |
| TPR last 12m (STD) | 2350 | 2476 |
| Activity 12m (games) | 90 | 195 |
Best Win
Juan Carlos Obregon Rivero
Sion Radamantys Galaviz Medina
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (16)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Juan Carlos Obregon Rivero
Sion Radamantys Galaviz Medina