Guias
Dez guias escritos para cada jogo, da primeira jogada aos hábitos que decidem partidas equilibradas.
Xadrez
Regras completas, um adversário que calcula e uma lista de lances legível.
Princípios de abertura no xadrez que realmente importamYou do not need to memorise opening theory to get a decent position. Three ideas — centre, development, king safety — will carry y…
8 minGarfos, cravadas e espetos: as táticas que decidem as partidasNearly every game below master level is settled by a two-move tactic. These are the four patterns worth drilling until you see the…
9 minOito padrões de mate que vale reconhecer de imediatoMate almost always arrives in one of a handful of shapes. Learn the shapes and you stop calculating from scratch every time.…
8 minFinais de xadrez: as cinco posições que todos deviam saberEndgames 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 minComo deixar de dar peças de graçaMost 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 minRoque, captura en passant e promoção, bem explicadosThree rules that confuse more new players than everything else combined — including the exact conditions people usually get wrong.…
7 minTirar proveito de jogar contra um motor de xadrezA 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 minTodas as formas de uma partida acabar empatadaHalf points come from five different rules, and knowing them turns lost positions into saves — and stops won positions slipping aw…
7 minEstrutura de peões: o esqueleto da posiçãoPawns are the slowest pieces and the ones that decide where every other piece belongs. Six structures explain most middlegame plan…
8 minUm plano realista de principiante a nível de clubeWhat 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 minComo ler a notação de xadrez e acompanhar uma partidaAlgebraic notation takes ten minutes to learn and unlocks every chess book, video and database ever made.…
6 minSudoku
Cada grelha gerada na hora, com solução única e dicas que ensinam.
Varrimento: a forma mais rápida de começar qualquer sudokuBefore you write a single pencil mark, scanning will usually fill a third of the grid. Here is how to do it systematically instead…
6 minAnotações: quando usar e como mantê-las limpasCandidates turn a memory problem into a visible one. Used carelessly they turn a solvable puzzle into a mess.…
6 minPares, trios e quadras, nus e ocultosThe first real technique beyond singles, and the one that unlocks most hard puzzles. The idea is simpler than the names suggest.…
7 minX-wing, peixe-espada e os padrões além dos paresWhen singles, pairs and locked candidates all run out, these are the next techniques — and the logic is more approachable than the…
7 minSete erros que estragam uma grelha de sudokuMost failed puzzles are not too hard. They are broken by a small error twenty moves earlier.…
6 minComo resolver sudoku mais depressa sem errarSpeed comes from cutting wasted looking, not from thinking quicker. Six changes that shorten solve times immediately.…
6 minO que torna um sudoku difícil?It is not the number of clues. Difficulty comes from which techniques are required and where the clues are placed.…
6 minUma rotina de sudoku que realmente faz progredirSolving more puzzles is not the same as getting better. Twenty focused minutes a day beats an hour of the same thing repeated.…
6 minResolver sudoku em papel e o que mudaPaper is slower, harder and better for learning some things. Here is how to adapt, and how to print a grid from this site.…
5 minVariantes de sudoku e quais valem a penaKiller, jigsaw, diagonal, hyper — the popular variants change one rule each, and each change rewards a different kind of thinking.…
6 minGo
Capturas, ko, passe e contagem de área em 9×9, 13×13 ou 19×19.
Liberdades, atari e captura: a mecânica de um combate no goEvery fight in go is a race to fill liberties. Counting them turns guesswork into arithmetic.…
6 minDois olhos: como os grupos vivem e morremA group with two eyes cannot be captured, ever. Everything else in go is a negotiation about whether a group can get there.…
7 minComo jogar bem go em 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 minA regra do ko e como decorrem os combates de koOne short rule prevents infinite loops and creates the most tactical situation in go.…
6 minBoa forma: porque algumas formações de pedras funcionamShape is efficiency. Strong players do not calculate every move — they play formations that are hard to attack and move on.…
6 minPrincípios de abertura no go: cantos, lados, centroThe order is not arbitrary. It falls straight out of how many stones each area needs to enclose.…
6 minEscadas e redes: capturar pedras em fugaTwo techniques for catching escaping stones, and the whole-board check that decides which one to use.…
5 minO final no go: jogar sempre o maior pontoGames 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 minPedras de handicap e komi: como o go se mantém justoGo has the best handicap system of any board game, and it turns mismatched games into genuinely competitive ones.…
5 minNove erros que quase todo o principiante de go cometeRecognising these early skips months of confusion — most of them come from applying instincts borrowed from other games.…
6 minMahjong Solitário
A tartaruga de 144 peças, distribuída para ter sempre solução.
Estratégia de mahjong solitário: que par retirarEvery board offers several legal moves and most of them are wrong. The difference between clearing and stalling is which pair you …
6 minA regra da peça livre, em detalheAlmost every mahjong solitaire question turns out to be a question about which tiles are free. Here is the rule with all its edge …
5 minComo evitar ficar sem jogadasA solvable board can still be killed in twenty moves. These are the specific mistakes that do it.…
5 minO conjunto de peças de mahjong, explicadoThree suits, two honour groups and eight bonus tiles. Knowing what you are looking at makes matching considerably faster.…
5 minLimpar um tabuleiro de mahjong mais depressaSpeed comes from recognising tiles instantly and scanning the board in a fixed order, not from clicking quickly.…
5 minLer a disposição da tartarugaThe classic shape is not arbitrary. Knowing where its pressure points are tells you what to clear and in what order.…
5 minMahjong solitário não é mahjongThey share a tile set and nothing else. Here is what the real game is, and why the confusion exists.…
5 minQuando baralhar e quando anularYou get three shuffles and unlimited undos. Choosing between them well is worth several cleared boards.…
4 minCinco erros de mahjong solitário a abandonarEach of these feels efficient in the moment and costs you the board twenty moves later.…
4 minJogar mahjong solitário para descontrairNot 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 minGomoku
Cinco em linha em 15×15, contra um adversário que responde às ameaças.
Três e quatro abertos: a gramática do gomokuEvery gomoku game is a conversation in threats. Learn to name them and the right move usually becomes obvious.…
6 minAberturas de gomoku: as primeiras cinco jogadasThe opening is short but it decides whether you spend the game attacking or defending.…
5 minDefender no gomoku sem perder a iniciativaBlocking is necessary, but pure blocking loses. The skill is choosing blocks that also build something.…
5 minSequências forçadas: como se ganham mesmo as partidasAbove beginner level nobody wins by accident. Wins come from sequences of forcing moves that end in a threat that cannot be answer…
6 minVencer o computador no gomokuThe opponent here blocks threats and searches ahead. Here is what each level actually does and how to play against it.…
5 minSeis erros de gomoku que fazem perderMost losses trace back to one of a handful of habits, and all of them are easy to break once named.…
5 minGomoku, renju e o problema da primeira jogadaFree-style gomoku is a proven win for Black. The rule variants that exist are all attempts to fix that.…
5 minComo ler depressa um tabuleiro de gomokuStrong players are not calculating faster. They are scanning the board in a way that makes the important points obvious.…
5 minJogar gomoku a doisTwo-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 minDe onde vem o gomokuA game played with go equipment for centuries, formalised in Japan, solved by computer, and still played competitively worldwide.…
5 minDamas
Capturas obrigatórias, sequências de saltos e damas, como manda a regra.
A captura obrigatória e como aproveitá-laForcing your opponent's hand is the core of checkers tactics. Once you see it, the game changes completely.…
6 minDamas e como se ganham os finaisA king is worth roughly two ordinary pieces. Getting the first one usually decides the game.…
6 minAberturas nas damas: as primeiras dez jogadasYou do not need opening books. Four ideas cover the whole opening and they follow from how the pieces move.…
5 minEncurralar: ganhar sem capturar peçasYou win checkers when your opponent cannot move, not only when they run out of pieces. That second condition is a whole strategy.…
5 minSeis erros nas damas que custam partidasAlmost all of them come from forgetting that captures are compulsory in both directions.…
5 minJogar contra o computador nas damasThe opponent here searches ahead with a minimax and never misses a compulsory capture. Here is how to make it a useful training pa…
5 minVariantes de damas pelo mundoEnglish draughts is one of many. The differences in board size and capture rules change the game substantially.…
5 minJogar damas a doisTwo-player mode, teaching a beginner, and how to handle a skill gap without either player being bored.…
4 minDe onde vêm as damasA five-thousand-year lineage, a nineteenth-century tournament culture, and the game that broke a generation of computer scientists…
5 minComo melhorar nas damasThe skill ladder is short and well defined. Here is what to learn, in what order, and how to know when to move on.…
5 min2048
Deslize, junte e mantenha a peça grande no canto.
A estratégia do canto, bem explicadaEveryone says keep the big tile in the corner. Here is why it works and what the rule actually requires you to do.…
6 minO padrão serpente: como se constroem pontuações altasCorner strategy gets you to 2048. The snake gets you to 4096 and beyond, by making every tile part of one long chain.…
6 minCinco erros que acabam cedo com uma partida de 2048The board usually dies for one of a small number of reasons, and four of them are entirely within your control.…
5 minPara além do 2048The first 2048 tile is a technique problem. The second one, and 4096, are management problems.…
5 minComo funciona a pontuação no 2048Your score is determined entirely by which merges you make, which means it is almost completely predictable from your highest tile…
4 minA matemática por trás do 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 minJogar depressa ou jogar com cuidado no 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 minJogar 2048 no telemóvelSwipe accuracy, one-handed play, and the settings that reduce mis-presses on a small screen.…
4 minVariantes de 2048 que vale a pena conhecerThe original spawned hundreds of imitations. A few of them change the game in genuinely interesting ways.…
4 minComo melhorar de forma consistente no 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