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Go - Play Go Online: Fast 9x9 to Full 19x19 Boards, Friends and Bots

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Go Board Game Online: the Oldest Strategy Game, Made Fast

Foony Go is a free online Go board game with quick 9x9 and 13x13 boards, the full 19x19 tournament board one preset away, invite-link rooms for friend matches, 5 bot levels, and automatic scoring the moment both players pass. The game known as baduk in Korea and weiqi in China has been played for over 2,500 years, and its rules fit in two sentences: surround empty territory, and capture enemy stones by taking their last liberty. Here it loads straight into a lobby in any browser, with no account and nothing to install.

Most Go sites wrap the game in ceremony: rank certificates, ladders, and a manual dead-stone negotiation at the end of every game. Foony Go is built for actually finishing your first game. The default board is 9x9, a full match takes ten to twenty minutes, and the server scores the final position for you and paints every point of territory in its owner's color, so there is never an argument about who won. When you are ready for the long game, the Full 19x19 preset is the same board professional Go is played on.

Black and white Go stones facing off across a glowing online Go board

Play Go Online with Friends or vs Computer

Create a room, share the link, and a friend joins from any phone, tablet, or desktop browser: black versus white, head to head. The turn timer defaults to 30 seconds per stone, and the host can stretch it to two minutes or switch it off for a slow thinking game. If your time runs out, the room passes for you, so an abandoned game still ends and gets scored instead of hanging forever.

Prefer to play Go online vs computer? Rooms seat bots at five levels: Easy, Novice, Skilled, Expert, and Master. The lower levels throw in loose, experimental stones, which makes them perfect targets for practicing captures. The upper levels fight: they take profitable captures, rescue their own groups from atari, threaten yours, and know when passing wins them the game. Solo wins against bots award XP scaled to the level you picked.

Rooms also stretch far past two seats. Extra players land on the black or white team and rotate turns round-robin, so a club night or a classroom can crowd onto one shared board without anyone watching from the side.

Pick Your Battlefield: 9x9, 13x13, or 19x19

The host picks the board in the lobby. The default 9x9 board is the size teachers hand to new players for a reason: every stone matters from move one, fights start immediately, and whole games finish in ten to twenty minutes, so you can play three rematches in the time one big-board game takes. The 13x13 board is the middle ground, with genuine corners-then-sides openings at half the commitment. And the Full 19x19 preset is the real thing: the board professional Go is played on, 361 intersections with full opening theory, three-front fighting, and a roomier turn timer because a complete game runs a couple hundred moves. Komi is the standard 7.5 points added to White's score to balance Black moving first, and the half point means a scored game can never end in a tie.

Go Board Game Rules: How to Play

Place

Click any empty intersection to place a stone. Black moves first. Stones never move once placed.

Capture

A group with no empty neighbors (liberties) is captured and removed. One liberty left is called atari.

Ko

No move may recreate an earlier board position, so capture-recapture loops are impossible.

Score

Two passes in a row end the game. Your stones plus the empty points only you surround are your score.

Here is the whole capture rule in three moves. A stone's empty neighbors are its liberties; fill the last one and the stone comes off the board:

1. Liberties. A lone stone has four empty neighbors.

2. Atari. Three black stones leave it one last liberty.

3. Capture! The fourth stone takes it off the board.

Foony Go uses area scoring with a positional superko rule, the same simple ruleset (often called Tromp-Taylor rules) used by computer Go research, because it removes the one step that confuses every beginner on other servers: there is no dead-stone negotiation. The board is scored exactly as it stands, so if an enemy group in your territory is dead, capture it before you pass. Your move previews under the cursor, the last stone played wears a small ring, capture counts update live in the side panel, and suicide moves are simply not accepted.

When both players pass, the board scores itself. Every stone counts one point, and every empty point fenced in by a single color counts for that color, marked exactly like this in game:

Black: 10

5 stones + 5 territory

White: 22.5, wins

5 stones + 10 territory + 7.5 komi

Go Strategy for Beginners

  • Corners, then sides, then center. Territory is cheapest where the edge does half the surrounding for you. On 13x13, open on the third line from the edge; on 9x9 the third line and the center points are both strong.
  • Count liberties before you fight. A stone has at most four; a group shares its liberties. When an enemy group falls to one liberty (atari), look for the follow-up before you take it: sometimes the threat is worth more than the capture.
  • Don't save every stone. Abandoning one stone to take ten points elsewhere is good trade math. The Landslide achievement goes to players who think in points, not rescues.
  • Connect your groups, cut theirs. Two weak groups are two problems; one connected group is usually alive. The move that connects you and cuts your opponent at the same time is almost always right.
  • Pass with a purpose. Under area scoring, filling your own territory costs you nothing, but passing while a single dead enemy group sits uncaptured can flip the score. Clean up, then pass.

Leaderboards, Achievements, and Items

Every finished game feeds the Go leaderboards, filterable by day, week, month, year, or all-time. There are four Go achievements to chase: First Stone for finishing a game, Stone Collector for your first capture, Big Capture for taking five or more stones in a single move, and Landslide for winning a scored game by twenty points or more. The Go items page tracks the account cosmetics (like custom cursors) you can equip at the board.

Petey the pirate mascot

Every game pays Foony coins and account XP that carry across the whole site, win or lose. Wins pay more, and solo wins scale with the bot level you dared to face.

Foony coin

Go vs Chess

Chess is a fight to kill one piece; Go is an argument about land. Chess starts with a full board that empties; Go starts with an empty board that fills. The rules of Go are far simpler, yet the game is deeper by every measurable standard: computers conquered chess in 1997, but Go resisted until AlphaGo's match against Lee Sedol in 2016, two decades later. If you enjoy reading ahead in online chess, Go scratches the same itch with a gentler on-ramp: every rule fits in your head after one game, and the 9x9 board keeps your first losses short and cheap.

If territory games are your thing, Foony's board game shelf runs deep: try checkers for pure tactics or Four in a Row for something between rounds.

Go Online: Frequently Asked Questions

How do you play the Go board game?
Two players take turns placing stones on the intersections of a grid: one side plays black, the other white, and black moves first. Stones do not move once placed, but a group of stones is captured and removed when the opponent fills its last adjacent empty point (its last liberty). The goal is to control more of the board than your opponent. When both players pass in a row, Foony Go scores the board automatically: each side counts its stones plus the empty territory only it surrounds, and the higher total wins.
What is komi in Go?
Komi is a fixed bonus added to White's final score to offset Black's first-move advantage. Foony Go uses the standard area-scoring komi of 7.5 points; the half point means a finished game can never end in a tie.
What size Go boards can I play on?
Three sizes, chosen by the host in the lobby: 9x9 (the default), 13x13, and the full 19x19 tournament board. The 9x9 board is the standard teaching size and keeps games short, usually 10 to 20 minutes; 13x13 adds room for openings; 19x19 is the board professional Go is played on, so expect a full game to take a while and set the turn timer to match. Foony Go defaults to 9x9 so new players can finish whole games quickly, with 13x13 and 19x19 one preset click away.
Can I play Go online with a friend?
Yes. Open Foony Go, create a room, and share the invite link: your friend joins from any modern browser and you play head-to-head, black versus white. The default room has a 30-second turn timer the host can change or disable.
Is Foony Go free, with no signup?
Yes. Foony Go is free to play and loads straight into the lobby with no account required. Signing up is optional: it adds cross-device progress, leaderboard ranks, achievements, and shop unlocks, but both board sizes and every bot level are available to guests.
Can I play Go against the computer?
Foony Go has 5 bot difficulty levels, picked once per room: Easy and Novice play loose, experimental stones, while Skilled, Expert, and Master fight harder for captures, defend their groups, and know when to pass. Solo games against bots award reduced XP that scales with the bot difficulty you choose.
How does a game of Go end?
A game ends when both players pass on consecutive turns. Foony Go then scores the final position automatically using area scoring (your stones plus the empty points only your stones surround, with 7.5 komi added to White). Because the board is scored exactly as it stands, capture hopeless enemy stones before you pass.
What is the ko rule?
Ko prevents endless loops of capture and recapture. Foony Go enforces the superko rule: no move may recreate a board position that has already appeared in the game, so you must play elsewhere (a "ko threat") before retaking.
Is Go harder than chess?
Go has simpler rules than chess (place a stone, capture by surrounding, control territory) but a far larger game tree: the full 19x19 board Foony Go offers has more legal positions than chess by hundreds of orders of magnitude, and even the default 9x9 board has more positions than chess. Computers beat the best humans at chess in 1997 but could not do the same in Go until 2016. For a new player, though, Go is easier to start: you can learn every rule in two minutes and lose nothing by experimenting.
How many people can play Go in one Foony room?
The classic format is 2 players, and that is the default room. Foony Go rooms scale to 1,000 players: extra players are split onto the black and white teams, and teammates rotate turns round-robin, so a party-sized room still works without anyone sitting out.
Does Foony Go have leaderboards and achievements?
Yes. Wins on Foony Go feed leaderboards filterable by day, week, month, year, or all-time, and there are four achievements: First Stone (finish your first game), Stone Collector (capture a stone), Big Capture (capture 5 or more stones in one move), and Landslide (win a scored game by 20+ points). Playing also earns Foony coins and account XP that carry across every game on Foony.
Do I need to download anything to play?
No. Foony Go runs in any modern browser on desktop, tablet, or phone. There is no app to install and nothing to update; open the page and you are one click from a game.
Where is the best place to play Go online?
If you want quick, friendly games rather than tournament ladders, Foony Go is built for it: fast 9x9 and 13x13 boards, invite-link rooms for friends, 5 bot levels for solo practice, automatic scoring, and leaderboards. The game known as baduk in Korea and weiqi in China is the same game, and it plays the same here.
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