CChessStats

Efrain Palacios vs Joseph Rodriguez Mayorca

Efrain Palacios (57, PER) and Joseph Rodriguez Mayorca (22, PER) have never met in classical OTB, but played 7 rapid/blitz games on record. They share 8 common opponents with at least 3 games each side, providing a calibration of relative strength. With current classical ratings of 2073 and 1939, the Elo model gives Palacios a 65% chance of winning a classical game with white.

Head-to-Head Score

If they played today · Classical

Based on current Elo: 2073 vs 1939 +134)
With Efrain Palacios as white
65% Efrain16% draw19% Joseph
With Joseph Rodriguez Mayorca as white
54% Efrain19% draw27% Joseph

Estimate from Elo only · doesn't account for recent form, opening prep, or context.

Career Compare

Efrain PalaciosJoseph Rodriguez Mayorca
Current rating (STD)20731939
Peak rating2218 · Jan 20072022 · Mar 2018
Peak age3814
World rank now#18,071#39,012
World rank peak#10,358#27,554
Federation rank now#77#166
Games (career, STD)420255
Months active215167
% white wins58%64%
% black wins51%67%
TPR last 12m (STD)20911666
Activity 12m (games)106140

Best Win

Efrain Palacios
Joseph Rodriguez Mayorca

Highest-rated opponent ever beaten · STD primary, rapid/blitz for context

All Meetings (7)

Common Opponents

Tournaments Both Played

Cohort Position

Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).

Efrain Palacios
Joseph Rodriguez Mayorca

Related Head-to-Heads