Emilio Keiji Ishikawa vs Jose Adolfo Vallejos
Emilio Keiji Ishikawa (54, BRA) and Jose Adolfo Vallejos (74, BRA) have never met in classical OTB, but played 67 rapid/blitz games on record. They share 139 common opponents with at least 3 games each side, providing a calibration of relative strength. With current classical ratings of 1726 and 1924, the Elo model gives Vallejos a 65% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 1726 vs 1924 (Δ -198)
With Emilio Keiji Ishikawa as white
21% Emilio15% draw65% Jose
With Jose Adolfo Vallejos as white
15% Emilio12% draw73% Jose
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Emilio Keiji Ishikawa | Jose Adolfo Vallejos | |
|---|---|---|
| Current rating (STD) | 1726 | 1924 |
| Peak rating | 1830 · Mar 2024 | 2166 · Oct 2005 |
| Peak age | 52 | 53 |
| World rank now | #100,766 | #51,310 |
| World rank peak | #60,345 | #17,638 |
| Federation rank now | #1,610 | #659 |
| Games (career, STD) | 182 | 50 |
| Months active | 129 | 203 |
| % white wins | 51% | 48% |
| % black wins | 48% | 49% |
| TPR last 12m (STD) | 1248 | — |
| Activity 12m (games) | 784 | 511 |
Best Win
Emilio Keiji Ishikawa
Jose Adolfo Vallejos
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (67)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Emilio Keiji Ishikawa
Jose Adolfo Vallejos