CChessStats

Ryszard Grossmann vs Grzegorz Joniak

Ryszard Grossmann (77, FM, POL) and Grzegorz Joniak (27, POL) have never met in classical OTB, but played 12 rapid/blitz games on record. They share 39 common opponents with at least 3 games each side, providing a calibration of relative strength. With current classical ratings of 1932 and 1566, the Elo model gives Grossmann a 87% chance of winning a classical game with white.

Head-to-Head Score

If they played today · Classical

Based on current Elo: 1932 vs 1566 +366)
With Ryszard Grossmann as white
87% Ryszard8% draw5% Grzegorz
With Grzegorz Joniak as white
82% Ryszard9% draw8% Grzegorz

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

Career Compare

Ryszard GrossmannGrzegorz Joniak
Current rating (STD)19321566
Peak rating2237 · Jan 20021566 · Mar 2024
Peak age5325
World rank now#38,070#133,483
World rank peak#9,551#91,771
Federation rank now#899#3,340
Games (career, STD)23085
Months active217157
% white wins53%23%
% black wins49%19%
TPR last 12m (STD)
Activity 12m (games)30726

Best Win

Ryszard Grossmann
Grzegorz Joniak

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

All Meetings (12)

Common Opponents

Tournaments Both Played

Cohort Position

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

Ryszard Grossmann
Grzegorz Joniak

Related Head-to-Heads