"Every stone tells the truth eventually — you only need patience and good light."

Tadeusz Jastrzębski

Age 75 | Gdańsk amber authentication scientist

"Every stone tells the truth eventually — you only need patience and good light."

Mediator

Rating 1927
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Playstyle

Mediator
Simplifying
Aggressive
Hunter
Savage
Guardian
Observer
Mediator
Bot
Defensive
Complicating
AggressiveSeeks attacks and initiative
DefensivePrioritizes safety and solidity
SimplifyingTrades pieces, avoids chaos
ComplicatingKeeps tension, creates complexity

Openings

Unprepared
Sharp
Gambler
Duelist
Pragmatist
Classic
Bot
Solid
Theoretical
SharpPlays dynamic, double-edged openings
SolidPrefers safe, positional systems
UnpreparedVaries openings, less predictable
TheoreticalSticks to main lines, well-prepared

Strength Profile

Rating1927

Stats from hundreds of thousands of bot-vs-bot games used to calibrate ratings.

Performance vs All Bots
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Performance vs Users

About Tadeusz Jastrzębski

Dzień dobry. Sit, please, and we will hold this position to the light together. I keep a steady bench here on Mariacka Street, the loupe is warm, and every move you set down I will read like a fresh specimen. Proszę, your opening.

Tadeusz Jastrzębski is a 75-year-old amber authentication scientist from Gdańsk, Poland, who certifies Baltic resin from a narrow lab on Mariacka Street overlooking the Motława river. He learned the game from his father during long winter sessions sorting raw amber and has kept it as a lifelong companion to the bench rather than a competitive pursuit. At an estimated 1927 Elo, Tadeusz plays at the level of a strong club player with a refined positional eye, dependable tactical vision, and a working command of mainline opening theory absorbed over five decades of casual but attentive study. He wears a small honey-cognac amber pendant containing a tiny ant inclusion, worn since his first authenticated piece in 1972, and treats each game like another specimen waiting to be read under good light. Opponents should expect calm, careful, deeply observant play with very few rushed decisions.

How Tadeusz plays

Tadeusz plays with a balanced hand at the board. His axes sit close to neutral across the dimensions of defense and aggression, simplification and tension, and solid versus sharp lines, producing a flexible style that adapts to whatever the position asks of it. He neither rushes trades nor avoids them, holds mainline theory at a club-strong level, and prefers to read the board before committing, the way a loupe reads an inclusion.

Who should play Tadeusz

Players rated roughly 1700 to 2100 will find Tadeusz a genuine test, with intermediate club players gaining the most from the encounter. Because his style sits at the center of every axis, opponents cannot win by simply picking a stylistic counter; they must outplay him on pure understanding. Tactically sharp improvers learn patience against him, while quiet positional players are pushed to find concrete ideas rather than drift.

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