Guides

Dix guides écrits pour chaque jeu, du premier coup aux réflexes qui décident les parties serrées.

Échecs

Règles complètes, un adversaire qui calcule et une notation lisible.

Comment jouer →
Les principes d'ouverture aux échecs qui comptent vraimentYou do not need to memorise opening theory to get a decent position. Three ideas — centre, development, king safety — will carry y…
8 min
Fourchettes, clouages et enfilades : les tactiques qui décidentNearly every game below master level is settled by a two-move tactic. These are the four patterns worth drilling until you see the…
9 min
Huit schémas de mat à reconnaître instantanémentMate almost always arrives in one of a handful of shapes. Learn the shapes and you stop calculating from scratch every time.…
8 min
Finales d'échecs : les cinq positions à connaîtreEndgames feel dry until you lose a won game. These five positions cover most of what actually comes up, and none of them takes lon…
9 min
Comment arrêter de donner des piècesMost lost games are not lost to brilliance. They are given away in one move. Here is a routine that removes the majority of those …
7 min
Roque, prise en passant et promotion, bien expliquésThree rules that confuse more new players than everything else combined — including the exact conditions people usually get wrong.…
7 min
Tirer profit d'une partie contre un moteur d'échecsA computer opponent is a training tool, not just a rival. Used well it fixes weaknesses fast; used badly it teaches you to play sc…
7 min
Toutes les façons d'annuler une partieHalf points come from five different rules, and knowing them turns lost positions into saves — and stops won positions slipping aw…
7 min
La structure de pions : le squelette de la positionPawns are the slowest pieces and the ones that decide where every other piece belongs. Six structures explain most middlegame plan…
8 min
Un plan réaliste du débutant au niveau clubWhat to work on, in what order, and how much of each — for players who have the rules down and want to stop losing to the same thi…
8 min
Lire la notation des échecs et suivre une partieAlgebraic notation takes ten minutes to learn and unlocks every chess book, video and database ever made.…
6 min

Sudoku

Chaque grille générée à la volée, à solution unique, avec des indices qui expliquent.

Comment jouer →
Le balayage : la façon la plus rapide de commencerBefore you write a single pencil mark, scanning will usually fill a third of the grid. Here is how to do it systematically instead…
6 min
Annotations : quand les utiliser et comment les garder propresCandidates turn a memory problem into a visible one. Used carelessly they turn a solvable puzzle into a mess.…
6 min
Paires, triplets et quadruplets, nus et cachésThe first real technique beyond singles, and the one that unlocks most hard puzzles. The idea is simpler than the names suggest.…
7 min
X-wing, swordfish et les schémas au-delà des pairesWhen singles, pairs and locked candidates all run out, these are the next techniques — and the logic is more approachable than the…
7 min
Sept erreurs qui ruinent une grille de sudokuMost failed puzzles are not too hard. They are broken by a small error twenty moves earlier.…
6 min
Résoudre un sudoku plus vite sans se tromperSpeed comes from cutting wasted looking, not from thinking quicker. Six changes that shorten solve times immediately.…
6 min
Qu'est-ce qui rend un sudoku difficile ?It is not the number of clues. Difficulty comes from which techniques are required and where the clues are placed.…
6 min
Une routine de sudoku qui fait vraiment progresserSolving more puzzles is not the same as getting better. Twenty focused minutes a day beats an hour of the same thing repeated.…
6 min
Résoudre un sudoku sur papier, et ce qui changePaper is slower, harder and better for learning some things. Here is how to adapt, and how to print a grid from this site.…
5 min
Les variantes de sudoku et celles qui valent le détourKiller, jigsaw, diagonal, hyper — the popular variants change one rule each, and each change rewards a different kind of thinking.…
6 min

Go

Captures, ko, passe et comptage de territoire en 9×9, 13×13 ou 19×19.

Comment jouer →
Libertés, atari et capture : la mécanique d'un combat de goEvery fight in go is a race to fill liberties. Counting them turns guesswork into arithmetic.…
6 min
Deux yeux : comment les groupes vivent et meurentA group with two eyes cannot be captured, ever. Everything else in go is a negotiation about whether a group can get there.…
7 min
Bien jouer au go en 9×9The small board is not a toy version. It is a complete game with its own strategy, and it is where every technique is easiest to l…
6 min
La règle du ko et le déroulement réel d'un combat de koOne short rule prevents infinite loops and creates the most tactical situation in go.…
6 min
La bonne forme : pourquoi certaines configurations fonctionnentShape is efficiency. Strong players do not calculate every move — they play formations that are hard to attack and move on.…
6 min
Principes d'ouverture au go : coins, bords, centreThe order is not arbitrary. It falls straight out of how many stones each area needs to enclose.…
6 min
Échelles et filets : capturer les pierres qui fuientTwo techniques for catching escaping stones, and the whole-board check that decides which one to use.…
5 min
La finale au go : jouer toujours le plus gros pointGames are lost in the endgame more often than anywhere else, usually by playing a five-point move when a twelve-point move was ava…
6 min
Pierres de handicap et komi : comment le go reste équitableGo has the best handicap system of any board game, and it turns mismatched games into genuinely competitive ones.…
5 min
Neuf erreurs que fait presque tout débutant au goRecognising these early skips months of confusion — most of them come from applying instincts borrowed from other games.…
6 min

Mahjong solitaire

La tortue de 144 tuiles, distribuée pour être toujours résoluble.

Comment jouer →
Stratégie du mahjong solitaire : quelle paire retirerEvery board offers several legal moves and most of them are wrong. The difference between clearing and stalling is which pair you …
6 min
La règle de la tuile libre, en détailAlmost every mahjong solitaire question turns out to be a question about which tiles are free. Here is the rule with all its edge …
5 min
Comment éviter de se retrouver bloquéA solvable board can still be killed in twenty moves. These are the specific mistakes that do it.…
5 min
Le jeu de tuiles de mahjong, expliquéThree suits, two honour groups and eight bonus tiles. Knowing what you are looking at makes matching considerably faster.…
5 min
Vider un plateau de mahjong plus viteSpeed comes from recognising tiles instantly and scanning the board in a fixed order, not from clicking quickly.…
5 min
Lire la disposition de la tortueThe classic shape is not arbitrary. Knowing where its pressure points are tells you what to clear and in what order.…
5 min
Le mahjong solitaire n'est pas le mahjongThey share a tile set and nothing else. Here is what the real game is, and why the confusion exists.…
5 min
Quand mélanger et quand annulerYou get three shuffles and unlimited undos. Choosing between them well is worth several cleared boards.…
4 min
Cinq erreurs de mahjong solitaire à corrigerEach of these feels efficient in the moment and costs you the board twenty moves later.…
4 min
Jouer au mahjong solitaire pour décompresserNot every game has to be optimised. Here is how to use the board when the point is the fifteen minutes, not the time on the clock.…
4 min

Gomoku

Cinq alignés sur 15×15, face à un adversaire qui pare les menaces.

Comment jouer →
Trois et quatre ouverts : la grammaire du gomokuEvery gomoku game is a conversation in threats. Learn to name them and the right move usually becomes obvious.…
6 min
Ouvertures au gomoku : les cinq premiers coupsThe opening is short but it decides whether you spend the game attacking or defending.…
5 min
Défendre au gomoku sans perdre l'initiativeBlocking is necessary, but pure blocking loses. The skill is choosing blocks that also build something.…
5 min
Séquences forcées : comment on gagne vraimentAbove beginner level nobody wins by accident. Wins come from sequences of forcing moves that end in a threat that cannot be answer…
6 min
Battre l'ordinateur au gomokuThe opponent here blocks threats and searches ahead. Here is what each level actually does and how to play against it.…
5 min
Six erreurs de gomoku qui font perdreMost losses trace back to one of a handful of habits, and all of them are easy to break once named.…
5 min
Gomoku, renju et le problème du premier coupFree-style gomoku is a proven win for Black. The rule variants that exist are all attempts to fix that.…
5 min
Lire rapidement un plateau de gomokuStrong players are not calculating faster. They are scanning the board in a way that makes the important points obvious.…
5 min
Jouer au gomoku à deuxTwo-player mode turns the board into a shared one. Here is how to make the games even, and how to teach someone in five minutes.…
4 min
D'où vient le gomokuA game played with go equipment for centuries, formalised in Japan, solved by computer, and still played competitively worldwide.…
5 min

Dames

Prises obligatoires, rafles et dames, comme dans les règles.

Comment jouer →
La prise obligatoire et comment l'exploiterForcing your opponent's hand is the core of checkers tactics. Once you see it, the game changes completely.…
6 min
Les dames et comment se gagnent les finalesA king is worth roughly two ordinary pieces. Getting the first one usually decides the game.…
6 min
Ouvertures aux dames : les dix premiers coupsYou do not need opening books. Four ideas cover the whole opening and they follow from how the pieces move.…
5 min
Bloquer : gagner sans prendre de piècesYou win checkers when your opponent cannot move, not only when they run out of pieces. That second condition is a whole strategy.…
5 min
Six erreurs aux dames qui coûtent la partieAlmost all of them come from forgetting that captures are compulsory in both directions.…
5 min
Jouer contre l'ordinateur aux damesThe opponent here searches ahead with a minimax and never misses a compulsory capture. Here is how to make it a useful training pa…
5 min
Les variantes de dames dans le mondeEnglish draughts is one of many. The differences in board size and capture rules change the game substantially.…
5 min
Jouer aux dames à deuxTwo-player mode, teaching a beginner, and how to handle a skill gap without either player being bored.…
4 min
D'où viennent les damesA five-thousand-year lineage, a nineteenth-century tournament culture, and the game that broke a generation of computer scientists…
5 min
Progresser aux damesThe skill ladder is short and well defined. Here is what to learn, in what order, and how to know when to move on.…
5 min

2048

Faites glisser, fusionnez, et gardez la grosse tuile dans un coin.

Comment jouer →
La stratégie du coin, bien expliquéeEveryone says keep the big tile in the corner. Here is why it works and what the rule actually requires you to do.…
6 min
Le serpent : comment se construisent les gros scoresCorner strategy gets you to 2048. The snake gets you to 4096 and beyond, by making every tile part of one long chain.…
6 min
Cinq erreurs qui terminent vite une partie de 2048The board usually dies for one of a small number of reasons, and four of them are entirely within your control.…
5 min
Aller au-delà de 2048The first 2048 tile is a technique problem. The second one, and 4096, are management problems.…
5 min
Comment fonctionne le score au 2048Your score is determined entirely by which merges you make, which means it is almost completely predictable from your highest tile…
4 min
Les mathématiques derrière le 2048Powers of two, a fixed spawn probability, and a board that shrinks as you succeed. A short look at why the game is shaped the way …
5 min
Jouer vite ou jouer juste au 2048There is a real trade-off, and it changes as the board fills. Knowing when to switch modes is worth a whole tier of score.…
4 min
Jouer au 2048 sur téléphoneSwipe accuracy, one-handed play, and the settings that reduce mis-presses on a small screen.…
4 min
Les variantes de 2048 à connaîtreThe original spawned hundreds of imitations. A few of them change the game in genuinely interesting ways.…
4 min
Progresser durablement au 2048Scores vary a lot game to game, which makes progress hard to see. Here is how to measure it and what to work on.…
4 min