Guides, tips, and analysis techniques to level up your chess.
From Torpedo Pawns to Nuclear Queen and Railgun — we rank all 30 Chaos Chess modifiers by power, fun factor, and how much they change the game. Includes strategy tips, tier breakdowns, and position examples for every rarity level.
Master the Queen's Gambit from setup to endgame — covers QGA, QGD, Slav Defense, key traps, and practical plans for club players ready to play 1.d4.
Master chess visualisation with 7 proven drills: coordinate training, blindfold progression, mental board technique, and a 4-week plan to see deeper into any position.
Master the London System — the reliable opening that helps club players reach 1600+. Complete guide with setup, traps, Jobava variation, and training plan.
Centipawn loss measures how far each move deviates from the engine's best. Learn what ACPL means, how to read move badges, and how to lower your score at /analyze.
Master four proven calculation methods — candidate moves, forcing sequences, tree of variations, and blunder check — with a 30-day training plan.
Master the 8 essential chess tactical patterns that decide games. Learn forks, pins, skewers, and more with clear examples and FEN positions.
Analyze the legendary Immortal Zugzwang game: Nimzowitsch created such a perfect blockade that White resigned without losing a single piece.
A detailed head-to-head comparison of Lichess and Chess.com for chess improvement. Analysis, puzzles, lessons, pricing — which platform gives you the edge.
Best chess openings for beginners at every rating level — from under 1000 to 1800. Complete guide with openings, traps to avoid, and study strategies.
Break through the 1200-1400 plateau with a practical roadmap. Four pillars: blunder elimination, openings, endgames, and middlegame thinking.
Daily Training with blunder drills, Roast My Elo with Stockfish roast commentary, Chaos Chess Opening Anomalies, Unified Reports, and a Lifetime plan — the biggest FireChess updates of H1 2026.
Analyze Alexei Shirov's legendary 47...Bh3!! against Veselin Topalov at Linares 1998 — a bishop sacrifice so deep that computers thought it was losing and even Kasparov was stumped.
Complete guide to average centipawn loss (ACPL) ranges by chess rating from beginner to grandmaster, plus how to benchmark and improve yours.
Learn to guess elo from PGN files — estimate chess rating via centipawn loss, blunder rate, opening depth, endgame technique, and time usage. Real PGN examples included.
Learn to guess the Elo in chess by spotting rating tells — blunder frequency, plan quality, endgame technique, and your PGN's hidden style signals. Train with FireChess's Guess the Elo mode.
Learn the Sicilian Defense with 3 concrete, playable lines for club players. No theory overload — just the key ideas, moves, and plans you need to start winning as Black against 1.e4.
We analyzed 60,000 computer-reviewed Lichess games to measure how often players actually blunder at every rating — from beginners to masters. The drop-off is steeper than you'd think, and it says exactly how to improve.
Chaos Chess is a roguelike chess variant where you draft permanent piece modifiers every 5 turns. Here's how it works — the full rules, every rarity tier, the best modifiers, and the strategy that actually wins games.
A data dive into 1.5 million rated Lichess games from 2026. Which openings are most popular at each rating level, where White's advantage actually kicks in, and the opening that quietly loses for White at every level.
A practical explanation of why chess puzzle ratings usually sit far above rapid ratings, and how to turn puzzle skill into points in real games.
The most common Italian Game mistakes for club players, with practical fixes, example positions, and simple plans you can use right away.
What makes a move 'brilliant' in chess? How do Stockfish and Chess.com detect them, and can you train yourself to find brilliant moves more often?
A simple way to turn recent games into a realistic chess study plan instead of guessing what to work on next.
A practical way to study chess openings through ideas, plans, structures, and your own repeated mistakes instead of endless rote memorization.
The most effective path to chess improvement isn't studying harder — it's studying the right things. Here's a structured approach that actually works.
What is the chess accuracy score, how is it calculated, what does a 90%+ accuracy actually tell you about how well you played, and how does it differ from centipawn loss? A deep dive.
Looking for chess variants to play online? From Chess960 to Chaos Chess and Fog of War, here are the best free chess variants you can play right now — no download required.
How we took the permanent modifier system from Clash Royale's C.H.A.O.S mode and built Chaos Chess — a chess experience where both players pick permanent piece modifiers every 5 turns, with rarity escalating as the game goes on.
FireChess scans your Lichess or Chess.com games and builds a live opening tree showing exactly where you win, lose, and go wrong in your repertoire.
A detailed head-to-head comparison of FireChess and Aimchess — covering free tier limits, locked features, engine depth, and overall value for chess improvers.
Don't know what to do after the opening? Learn a practical framework for finding plans in the chess middlegame, from pawn structure analysis to piece activity.
Stuck at the same chess rating for months? Here's why rating plateaus happen and a structured approach to break through to the next level.
A practical guide to identifying repeated opening mistakes in your chess games using engine analysis and pattern recognition.
Blunders aren't random — they follow patterns. Learn the 6 most common blunder types and concrete techniques to reduce them in your games.
Learn why club players consistently run into time trouble, plus practical strategies to manage your chess clock in rapid, blitz, and classical games.
The most common endgame mistakes club-level players make repeatedly — and how to stop leaving points on the table.
A step-by-step process for reviewing your chess games that actually leads to improvement, not just scrolling through engine lines.
A comprehensive comparison of the best free chess analysis tools available in 2026 — from engine analysis to AI-powered coaching, opening explorers, and more.
If certain openings keep beating you, it's not bad luck — it's a pattern. Here's how to diagnose and fix your opening weaknesses systematically.