To view all changes, visit the open source repositories PlayStrategy is made of.

February, 2026

• Support Lines of Action (LOA) puzzles
• Add puzzle support for simple chess variants (Racing Kings, King of the Hill, Horde)
• Add upcoming tournaments section to variant pages
• Create page showing all games in a multimatch/multipoint series
• Allow anonymous users to play bots
• Fix Dameo multicapture in analysis
• Fix Backgammon dice reset and front-end piece removal bug
• Give visual indicator to new Backgammon players to click dice
• Fix board highlights for mini-games
• Fix puzzle of the day board orientation
• Add Dameo beginner interactive study tutorial
• Allow side selection via URL parameter
• Keep live lobby games visible for longer

January, 2026

• Launch puzzle system for PlayStrategy games
• Add plain piece set for Draughts and Dameo
• Add automatic 50-move draw rule for Dameo
• Fix Fischer clock first-turn increment bug
• Change berserk rules for Byoyomi and delay clocks
• Update default tournament time controls per game type

December, 2025

• New game - Dameo (draughts variant)
• Add number of active bots to home page
• Fix Backgammon takeback bug
• Fix Bestemshe capture/move sounds
• Fix Dameo Discord seeks and king movement bug
• Fix simple delay clock triggering timeout too early with 0 initial time
• Upgrade strategygames library to Scala 3

November, 2025

• Fix Go games ending early due to repetition bug
• Fix FairyStockfish crashing the WebSocket server
• Add last move highlight to Monster Chess board editor
• Fix search in inbox
• Change play button on homepage

October, 2025

• New game - Othello Octagon
• Change Go coordinates to skip letter I (standard convention)
• Add board editor support for Amazons
• Stop infinite Go game by deviant loser behaviour
• Fix Nackgammon game failing to load

September, 2025

• New game - Anti-Othello
• Add game data over time charts and leaderboard stats to library pages
• Copy en-passant move highlight feature from Lichess
• Allow users to create 24-hour arena tournaments

August, 2025

• Create All Variants page showing every available game
• Allow Greedy bots to play games with no increment time control
• Fix bot clock restrictions and custom clock options
• Fix incorrect default castling values

July, 2025

• Redesign game creation process - select variant first then opponent
• Board editor support for LOA, Othello, Grand Othello, Xiangqi, Mini Xiangqi, and Breakthrough
• Create chapter directly from embedded study editor
• Review and improve tournament time controls across all games
• Reduce Backgammon piece image file sizes
• Fix slow Swiss pairing query

June, 2025

• Fix PayPal donations not working
• Make Go last move indicator more prominent
• Update Mancala Medley to include Bestemshe and two periods of Togy
• Fix Oware highlight in player profile boards

May, 2025

• Make Go pieces larger
• Change offer/select stones icon for Go
• Increase Fishnet analysis timeout to improve Othello analysis
• Increase time before forum posts are archived

April, 2025

• Add in-browser FairyStockfish analysis (local engine, no server required)
• Fix Shogi pockets in Study
• Update Search Bar label to 'Search User'

March, 2025

• Change layout for selecting Play against Computer to lead to bots page
• Enable FairyStockfish browser analysis for Mini Xiangqi
• Add new Go board images
• Add plain disc piece sets for Othello
• Fix pocket/score display on wrong side in analysis
• Fix draughts piece movement bug on first turn
• Improve Discord server automatic messages

February, 2025

• Add piece memory game to Learn tab
• Add Discord link to site
• Support all clock types for bots
• Support takebacks against bots in casual games
• Multiple Backgammon multipoint improvements (Crawford game indicator, doubletake buttons for spectators, improved user journey, multipoint score in Swiss player info, SGF import fix, analysis page fix)
• Fix resign bug in Swiss where non-moving player was incorrectly withdrawn
• Increase time control options for Swiss tournaments
• Add sound fallback for games
• Fix variant pages loading from Prismic

January, 2025

• New game - Abalone
• Support Backgammon multipoint games (doubling cube, auto-roll button, match score on miniboards, resign per game not whole match)
• McMahon - support changing player input rating after tournament start
• Quality of life improvements for Study
• Fix Swiss and Arena tournament pairing errors

December, 2024

• Show game score on live miniboard/minigame
• Add more colours to study move notation
• Fix Medley tournament pairing to wrong variant at start
• Fix multi-match score calculation in Swiss using BBP pairings
• Fix creating a game from position in Chess

November, 2024

• New game - Hyper Backgammon
• Support interactive lessons for Go
• Fix Backgammon starting player randomisation
• Fix timeout causing incorrect result when playing against a bot
• Fix bots erroring when playing Oware
• Fix Xiangqi repetition detection

October, 2024

• Support Amazons and Monster Chess in Analysis and Studies
• Support premove for multi action games
• Fixed missing pocket pieces in crazyhouse game
• Fix infinite page reload while in kidmode

September, 2024

• New game - Bestemshe
• Fix expiry on monthly Medley Shields trophies
• Fix CORS errors
• Fix api headers to allow sharing content on site
• Support McMahon style tournaments for GO
• Improve Go bot algorithm
• Increase max team limit

August, 2024

• Support Asset Hash caching
• Fix Go dead stone expiration issues
• Manual input of ratings for Go handicap tournaments
• Change of implementation for Undos in Backgammon

July, 2024

• New games: Breakthrough, Mini Breakthrough
• Rename Draughts variant 'Breakthrough' -> 'BRKTHRU'
• Use Backgammon Status scoring in arena tournaments
• Go Handicap tournaments
• Improvements for arena pairings
• Fix for Othello pass bug in correspondence games

June, 2024

• Support SGF for relevant games
• Backgammon gin and resign positions

May, 2024

• Improve mobile layout for games with pockets and/or scores
• Increase go handicap setup options
• Backgammon fixes
• Add Chessgammon shield to monthly schedule
• Improve spotlights on homepage
• Improve bots Frisian draughts algorithm
• Fix move time graph for games with berserk
• Update credit list for all piece sets

April, 2024

• Support forced moves in backgammon
• Move undo button into board for backgammon
• Support Go in analysis and studies
• Add ban from tournaments moderation action
• Update algorithm to show tournaments winners on home page
• Improve behaviour for starting correspondence games

March, 2024

• Support more games in analysis and studies
• Backgammon bug fixes/improvements
• Display berserk clock options for arena
• Fix user trophy layout (scrollable)
• Fix weekly challenge links
• Auto features all forum posts

February, 2024

• Added Backgammon
• Added Nackgammon

January, 2024

• Add new clock types: Bronstein & Simple Delay
• New Swiss settings, restrict sign-ups until near the start time, and halfway extended interval
• Fix for Monster Chess en-passant checkmate bug
• Fix for stale Medley ratings for new users

December, 2023

• Added Monster Chess
• Large refactor to support multi action games
• Update play against bots page view and add button to home page

October, 2023

• Fix Go bugs and display updates
• Fix Shogi bugs (pocket pieces, flipping board and orientation of pieces)
• Add 'Learn To Play' banner on home page
• Arena order for no-shows
• Insufficient material updates for Togyzqumalaq/Oware
• Reduce css load, to improve page speed
• Add meta info about website for google

September, 2023

• Added Go (9x9, 13x13, 19x19)
• Fix for Medley Arena tournament ratings bug

June, 2023

• Rename Togyzkumalak to Togyzqumalaq
• Support Amazons in analysis page
• Support chess variants in studies
• Add new Amazons piece sets
• Support UCI for all relevant games in lila-fishnet

May, 2023

• Fix Oware bugs (end game cycle and messages)

April, 2023

• Add new shield leader boards
• Fix stripe payment errors
• Display bug fixes (MiniShogi notation, minigame player colour, multi match)

March, 2023

• Quick pairing results in finding a bot if no players available
• Byoyomi clock fixes
• Rotate weekly tournaments to cover all time zones
• Add yearly tournaments

February, 2023

• New game - Togyzkumalak
• Fix last-move highlight for all games
• Fix flag display in tournaments
• Add Byoyomi clocks for all games

January, 2023

• Enable analysis for more games, lines of action, Oware, Fairy Stockfish game collection
• Added leaderboard for number of games on site
• Updated games that show when hovering over a player
• Add custom spotlight for MSO tournament
• Add correspondence games to games in play page

December, 2022

• Changed Medley Arena scoring to make playing multiple variants more balanced.
• Released new PS bots (2 and 4 move lookahead) to play against in games as well as our monthly simuls.

November, 2022

• Improve drops by also allowing clicking on pockets (affects Shogi, Mini Shogi and Crazyhouse)
• Fix game embed and allow piece set as a new parameter
• Support Streaming on both YouTube and Twitch
• New Variants: Spanish Draughts, American/English Draughts
• Fix simuls to enable all games on the site to be played
• Extend rating filter default from 500 to 1000 to help users find games
• Enable "best of X" and "play x" in swiss tournaments

October 19th, 2022

• New font icons for Draughts, Shogi, Xiangqi, and some Chess variants
• Fix Draughts multicapture bug in variants which have the maximal capture rule (present since August 17th)

October 11th, 2022

• Display user flags in tournaments

October 10th, 2022

• Fix Russian/Pool Draughts bug with multicapture (present since August 17th)

September 30th, 2022

• Add new Oware piece set
• Remove unused Chess piece sets

September 28th, 2022

• Allow PlayStrategy bots to be added to tournaments

September 21st, 2022

• Change horsey reaction icon to PlayStrategy logo
• Fix for From Position games vs Stockfish
• Remove limit on number of pieces per side in a From Position game

September 9th, 2022

• Fix for tournaments missing on homepage

September 7th, 2022

• Fix for Othello games against Fairy Stockfish that end in Pass, Pass

September 5th, 2022

• Flag updates

August 17th, 2022

• Enable bot API and add a bot

August 3rd, 2022

• Fix Medley Arena ratings not updating correctly after games

July 28st, 2022

• Improvements to Medley Arena view

July 21st, 2022

• Add Medley Arena format

July 15th, 2022

• Change Pools Quick Pairing options

July 7th, 2022

• Fix correspondence 'pass' moves in Othello

July 5th, 2022

• New variant: Grand Othello (Othello on a 10x10 board)
• Update Tv view to include all games
• New Medley Shield Pages

June 24th, 2022

• Fix Pool Draughts display bug for inactive player, where King piece does not display (continuation of May 24th fix)

June 22th, 2022

• Categorise quotes by game family and use appropriate quotes set for tournaments

June 15th, 2022

• Auto award Swiss trophies
• Settings to allow trophies to expire

June 10th, 2022

• Allow Medley tournaments to be created with default settings.

June 1st, 2022

• Fix multi-capture bug in Frisian draughts. Present since April 25th.
• New Oware pieceset: All numbers

May 27th, 2022

• Fix bug in long Oware games, present since May 20th.

May 24th, 2022

• Fix Pool Draughts display bug where King piece does not display and refresh of game is broken after a multi-capture that ends in a King
• Show correct variant ratings for Medley games

May 20th, 2022

• New game: Oware
• Fix analysis for no-castling and 5check
• Show micro-match game in swiss tournament view if it's available

May 13th, 2022

• Rename Flipello -> Othello as per licensing with World Othello Federation

May 4th, 2022

• Medley Swiss Tournaments added
• Option to set Draughts draw tables as random for each pairings in all rounds of a Swiss

April 25th, 2022

• Fix Pool Draughts bug in game play where a player does not pick the longest capture chain and still gets more moves

April 19th, 2022

• Small Buchholz fixes (display, late absentee byes)

April 14th, 2022

• Change tiebreaker system for Swiss tournaments to Buchholz with FIDE handling of byes/withdrawals. This change moves Sonneborn-Berger to the secondary tiebreaker
• Fix bug in viewing old Draughts games (present since March 31st)
• New Shogi pieceset: 1-kanji

April 7th, 2022

• Fix blog posts not loading on every page load

March 31st, 2022

• Play against the Computer available for Shogi, Xiangqi, and Flipello (and their variants Mini Shogi and Mini Xiangqi)
• Computer analysis available for Shogi, Xiangqi (and their variants Mini Shogi and Mini Xiangqi)

March 23rd, 2022

• Add a global chat to the home page lobby of PlayStrategy
• Fix bug in Shogi where withdrawing an unpromoted piece from the final three ranks does not allow the piece to be promoted

March 16th, 2022

• Update site title and description
• Fix error when trying to view old Standard Chess games

March 15th, 2022

• Display trophies for tournaments, and auto-award for Arena

March 9th, 2022

• Give a Warning message to a player who has a possible move that will lose them the game by Perpetual check (Shogi, Xiangqi)

March 8th, 2022

• New game: Flipello

March 7th, 2022

• Added blog posts with PlayStrategy news to the top of the home page

February 15th, 2022

• Removed trophies for top X in all ratings
• Added MSO 2021 Medals

February 9th, 2022

• Fixed ratings issue for 3-check and 5-check that dates back to 6th January

February 1st, 2022

• Fixed the TV link on home page, and removed the filters for watching live games so all rated games are currently available.
• Fixed the view showing the list of online players.
• Updated the leaderboards to show the top 10 players is each category, currently allowing unstable grades to populate them.
• Some broken links to non-essential tools have been removed.
• Added Developer and Moderator badges

January 27th, 2022

• All games now support a varying starting color and/or names. In Shogi colors are now referred to their correct names 'Sente' (Player 1, who is considered Black) and 'Gote' (Player 2, who is considered white). In Lines of Action the starting player is now black.
• Fixed ratings issue for Atomic, Horde, Racing Kings, Crazyhouse, Lines of Action and Frisian that dates back to 14th December

January 20th, 2022

• New game variants: No Castling (Chess), Scrambled Eggs (Lines of Action), Mini Shogi (Japanese Chess), and Mini Xiangqi (Chinese Chess).

January 6th, 2022

• New game variant: 5-check Chess

December 31st, 2021

• Integrated FairyStockfish into PlayStrategy in order to support it's family of games.
• Added the games Shogi (Japanese Chess) and Xiangqi (Chinese Chess) to PlayStrategy!
• Updated the piece sets for all games, and set a new default to keep the games distinct from each other.
• Updated repo chessground to support all the new games from FairyStockfish (merged in chessgroundx)

September 22nd, 2021

• Added the concept of different 'GameFamily' in strategygames (separate to 'GameLogics'). This allowed Lines Of Action to appear as its own separate game on the site.

August, 2021

• Added many Draughts variants to PlayStrategy, merging Lidraughts changes with Lichess for the first time. To do this, the concept of different 'GameLogic' is introduced into strategygames. The Draughts release includes all of the variants on Lidraughts (International, Frisian, Frysk!, Antidraughts, Breakthrough, Russian and Brazilian) as well as a new 8x8 variant: Pool.

July, 2021

• Launched playstrategy.org!
• Lots of site changes to remove unused/unwanted features.

June, 2021

• Changed repo scalachess into strategygames in order to support future game types into PlayStrategy.
• Added the game Lines of Action to PlayStrategy!

May, 2021 (The beginning)

• PlayStrategy forked from Lichess.