Robert Ziehm vs Artur Gradzki
Robert Ziehm (57, POL) and Artur Gradzki (18, POL) have met 1 time in classical OTB plus 4 rapid/blitz games. With current classical ratings of 1645 and 1551, the Elo model gives Ziehm a 61% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 1645 vs 1551 (Δ +94)
With Robert Ziehm as white
61% Robert14% draw25% Artur
With Artur Gradzki as white
50% Robert17% draw33% Artur
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Robert Ziehm | Artur Gradzki | |
|---|---|---|
| Current rating (STD) | 1645 | 1551 |
| Peak rating | 1707 · May 2024 | 1564 · Feb 2025 |
| Peak age | 55 | 17 |
| World rank now | #130,069 | #157,958 |
| World rank peak | #87,093 | #115,444 |
| Federation rank now | #3,233 | #4,187 |
| Games (career, STD) | 174 | 200 |
| Months active | 89 | 95 |
| % white wins | 46% | 41% |
| % black wins | 39% | 38% |
| TPR last 12m (STD) | 1549 | — |
| Activity 12m (games) | 177 | 0 |
Best Win
Robert Ziehm
Artur Gradzki
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (5)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Robert Ziehm
Artur Gradzki