CChessStats

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 -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 RiveroSion Radamantys Galaviz Medina
Current rating (STD)2446-172513-1
Peak rating2560 · May 20152515 · Oct 2025
Peak age2620
World rank now#1,058#504
World rank peak#381#488
Federation rank now#5#3
Games (career, STD)953732
Months active210149
% white wins62%66%
% black wins58%59%
TPR last 12m (STD)23502476
Activity 12m (games)90195

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

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