ConnectFour Studio

ConnectFour Studio is a free, offline Connect Four program: play against the computer, analyse positions and run engine-versus-engine matches. It is the Android version of the desktop program of the same name, with the same engine, levels, help and texts. **Engine** - Perfect play: a Kotlin port of the BitBully solver by Markus Thill (bitboards, MTD(f), transposition table) with the 12-ply opening book with distances – identical results to the original C++ engine - 15 levels: 0 Loser (joke level), 1 Random … 14 Perfect, defined by (p, s, w): share of perfect moves, loss guard and win guard - Two custom levels User (1) and User (2) with your own (p, s, w) **Analysis** - Evaluation row under the board: win / draw / loss for every column and the number of stones until the end - Permanent analysis after every move, one-off evaluation of all moves - Info box with depth, value, nodes, time, speed and source (book or computed) **Game modes** - Human vs. computer (the computer can also open), two players, computer plays out the position - Computer-computer match with up to 10,000 games, colour swap, three speeds, Elo difference and copyable result - Session score human vs. computer per level with Elo estimate - Random start positions with 1–9 stones and a chosen result **More** - 20 boards with matching stones, ghost stone, drop animation, last move and winning line marked - Load and save positions as .4gp files (compatible with the desktop version), quick save - Detailed help with search and zoom, user interface in English, German, French, Spanish, Dutch and Italian - Portrait and landscape, phones and tablets, keyboard shortcuts with a hardware keyboard - No permissions, no internet access, no ads, no tracking License: GNU AGPL v3. Engine: BitBully by Markus Thill (AGPL v3), opening book: bitbully-databases (MIT).

Repo

Appears in 0 app stacks.

0 sats / 0 zaps received in the past year.