Mateusz Kolosowski vs Kacper Piorun
Mateusz Kolosowski (34, IM, POL) and Kacper Piorun (35, GM, POL) have met 6 times in classical OTB plus 1 rapid/blitz game. Kolosowski leads the classical series 2–1 (3 draws). With current classical ratings of 2435 and 2519, the Elo model gives Piorun a 44% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2435 vs 2519 (Δ -84)
With Mateusz Kolosowski as white
30% Mateusz26% draw44% Kacper
With Kacper Piorun as white
22% Mateusz22% draw55% Kacper
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Mateusz Kolosowski | Kacper Piorun | |
|---|---|---|
| Current rating (STD) | 2435-9 | 2519-17 |
| Peak rating | 2474 · Nov 2014 | 2685 · Jul 2016 |
| Peak age | 22 | 25 |
| World rank now | #1,178 | #465 |
| World rank peak | #988 | #52 |
| Federation rank now | #49 | #14 |
| Games (career, STD) | 612 | 1,434 |
| Months active | 206 | 203 |
| % white wins | 52% | 54% |
| % black wins | 44% | 42% |
| TPR last 12m (STD) | 2367 | 2456 |
| Activity 12m (games) | 25 | 125 |
Best Win
Mateusz Kolosowski
Kacper Piorun
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).
Mateusz Kolosowski
Kacper Piorun