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ChessUrge Blog

Chess, explained.

Practical writing about analysis, improvement and the positions that keep coming back. No engine worship, no ten-step secrets.

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AnalysisImprovementPuzzlesPlayLibraryTechnical
Analysis25 Oct 2026

Stockfish depth vs nodes: what is the difference?

Depth is how many plies the engine looks ahead. Nodes are how many positions it visits. They are related, but they are not interchangeable.

5 min read
Analysis23 Oct 2026

What is a giga node? 100 GN explained with practical examples

A giga node is a billion positions searched. It sounds enormous, and it is, but chess analysis spends nodes quickly. Here is the practical arithmetic.

4 min read
Analysis21 Oct 2026

How to read a Stockfish evaluation (cp, mate and +0.30)

An evaluation is a compressed opinion, not a verdict. Learn what +0.30, -1.20 and M5 actually mean before you change your opening repertoire.

5 min read
Analysis19 Oct 2026

Chess accuracy scores explained (and why 100% is not the goal)

Accuracy is a summary of how much your moves lost compared with the engine's best move. It is useful for finding patterns, not for ranking yourself.

5 min read
Analysis17 Oct 2026

Blunder, mistake or inaccuracy? How chess engines classify moves

The labels are useful shorthand, but they are thresholds, not verdicts. A move can be a blunder in one position and the only practical try in another.

5 min read
Analysis15 Oct 2026

Why a full-game review beats checking only the blunders

The worst move is rarely the whole story. The move before it, and the plan behind it, usually explain more.

4 min read
Improvement13 Oct 2026

How to review a lost chess game without tilting

Losing feels like evidence. It is not. A loss is a set of decisions you can inspect, and the review should be about the decisions, not the score.

5 min read
Improvement11 Oct 2026

Opening preparation with an engine: plans before moves

An opening repertoire is not a list of moves. It is a set of plans you can recognise when the opponent leaves the script.

6 min read
Improvement09 Oct 2026

How to use engine lines correctly (without following them blindly)

The engine is a calculator with no clock, no nerves and no opponent. Its line is a proposal, not a prophecy.

5 min read
Improvement07 Oct 2026

Endgame training with Stockfish: depth, tablebases and practical drills

Endgames are where deep analysis pays off most. The goal is not to memorise every tablebase position; it is to recognise the few structures that decide games.

6 min read
Analysis05 Oct 2026

How to use infinite analysis without wasting credits

Infinite mode is not a magic button. It is a long search you have to steer. The skill is knowing when to stop.

4 min read
Puzzles03 Oct 2026

Puzzle rating vs game rating: why they diverge

Puzzles measure pattern recognition in a clean position. Games measure everything else: opening, clock, nerves, and the ability to create the pattern.

4 min read
Puzzles01 Oct 2026

How to solve hard Lichess puzzles (without guessing)

Hard puzzles are not solved by seeing further. They are solved by asking better questions before calculating.

5 min read
Puzzles29 Sept 2026

How to create puzzles from your own chess games

Generic puzzles teach generic patterns. Your own blunders teach the patterns you keep missing under pressure.

4 min read
Play27 Sept 2026

Chess time controls explained: bullet, blitz, rapid and classical

A time control is not just a number. It changes the opening choices, the tactical density and the kind of mistakes you make.

5 min read
Play25 Sept 2026

How to choose a time control for chess improvement

The best time control is the one that exposes the skill you are working on. If you only play one format, you only train one skill.

4 min read
Play23 Sept 2026

What bot depth should you play against?

A deep bot is not a strong human. It is a predictable calculator. Choose the depth for the skill you want to train.

4 min read
Play21 Sept 2026

Why engine assistance ruins improvement (and why it is banned)

The point of a game is not the result. It is the feedback. An engine removes the feedback and leaves only the result.

4 min read
Library19 Sept 2026

PGN explained: how chess games are stored and exported

PGN is the lingua franca of chess games. It is simple, portable and worth understanding if you keep a game library.

4 min read
Library17 Sept 2026

How to build a permanent chess study library

Most players lose their best analysis in chat windows and temporary tabs. A study library turns scattered work into a reusable asset.

5 min read
Analysis15 Sept 2026

Centipawn loss and win probability: why chess engines use both

Losing 100 centipawns from +0.20 is not the same as losing 100 from +8.00. Win probability captures the difference.

5 min read
Technical13 Sept 2026

How online chess clocks work (latency, increment and flag falls)

An online clock is a server-side timer, not a local stopwatch. Understanding the difference explains most clock disputes.

5 min read
Improvement11 Sept 2026

How to prepare for a chess tournament with online tools

Tournament preparation is not about learning a new opening. It is about making your existing chess reliable under pressure.

6 min read
Put it into practice

Review a game, not just a position.

Choose a depth, see the maximum credit cost, and get accuracy plus move-by-move markers for both sides.

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