P·G·D·T

The Stonewaller

Solid to a fault: one game in ten of yours ends level, until a loss cracks the next one open.

Ponderer · Grinder · Drawmaster · Tilter

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Movement I

How the Stonewaller wins

Speed

Ponderer

Most of your games are rapid or slower. Fast chess is the minority of your record.

You give positions real thought. Calculation over reflex, fewer pieces given away in haste. Your wins tend to be earned on the board rather than snatched from the scramble.

Win condition

Grinder

Forty percent or more of your wins arrive on time: the opponent flags.

You outlast people. You keep the game alive, keep the position defensible, keep moving, and let the clock do the executing.

Bloodlust

Drawmaster

One game in ten or more ends in a draw.

You are hard to beat. Solid structures, no unnecessary risk. When the position offers nothing, you take the half point instead of inventing something that isn’t there.

Nerve

Tilter

You score at least ten points worse in the game after a loss than after a win. That is over thirty games either side, and the gap clears a significance test.

You run on momentum. After a win you play bigger. Streaks are where this style earns its rating, and while one lasts you are genuinely harder to beat.

Movement II

How to beat them

For the player across the board. Four laws, one per letter, each aimed at what the Stonewaller’s record actually measures.

1
Bill them for every think. vs Ponderer
Their game runs on time, and time is finite. Keep the position sharp and the decisions concrete. Every good move gets expensive, and the well runs dry by move 35.
2
Don’t drift. vs Grinder
Their win condition is your clock: four in ten of their wins arrive on the flag. Trade long maneuvering for forcing lines, and their main weapon never loads.
3
Keep the half point out of reach. vs Drawmaster
Their record banks draws from quiet positions. Symmetry and mass trades play their game. Keep pieces on, keep the imbalance, make them win it or lose it.
4
Beat them once, then take the rematch. vs Tilter
Their record says the game after a loss is played at a discount: ten points or more off their win rate, on enough games to be real. The player who just lost to you is the weakest version of them you’ll ever face.

Movement III

How to not get beaten

For the Stonewaller themselves. Every pole has a price. These are the characteristic risks of the style; your own report shows which ones you’re actually paying for.

1
Budget the long think. Ponderer
A think spent at move 12 is a scramble bought at move 35. Decide what the position deserves before you sink into it.
2
Never let the flag be your only plan. Grinder
Against clock-managers the position must stand on its own. Win on the board first. Treat the flag as a bonus, never as the plan.
3
Don’t offer peace to the beatable. Drawmaster
Draws against players you outplay are rating left on the table. Cap the risk in bad positions and leave the good ones alone.
4
Stop after two losses. Tilter
Your next game after a loss is played at a measured discount. That is what this letter means. Walking away is the cheapest rating you’ll ever save.