# Crazy Stone Deep Learning \-The First Edition\-

Summer DB entity ID: fd76f513\-98c1\-4476\-9f11\-69c2f3f0a72b

Steam App ID: 479330

Crazy Stone has made a huge step forward by combining Deep Neural Networks with Monte Carlo Tree Search\.   The new Crazy Stone employs Deep Convolutional neural networks as a replacement for the pattern database and has produced a significant improvement in strength\. The new program has scored a winning rate of over 90% against the previous program Crazy Stone 2013 \!  We have provided 20 levels of play \(13k\-7d\) for all the board sizes\. Crazy Stone has improved not only in strength, but also in his style of play and the lower levels are perfect for the average players\.   Features     20 levels of play for each board size \(9×9, 13×13, 19×19\)    Human vs Computer, Human vs Human \(sharing a single device\)    Computer vs Computer Games    Handicap games, variable options of Komi    Hint \(suggest\)    Instant Undo \(available even when the computer is thinking\)    Automatic territory calculation    Japanese / Chinese Rule    Suspend / Re\-start games    Save / Load game record in sgf files    Automatic and manual replay of a game record    Highlight the last move    COM resign feature    Two types of Board and Stones    Byoyomi games \(Timed games\) \(You will not be able to select computer level in timed games\)   Analysis Mode \(Move list, Histogram, Record analysis\) You can analyze your current game and also game records saved in sgf files\. Some screen\-shot samples of the analysis mode are shown above\.

## Game information

- Type: game

- Developer: UNBALANCE Corporation, Rémi Coulom SAS

- Publisher: UNBALANCE Corporation

- Release date: May 25, 2016

- Coming soon: false

- Free to play: false

- Parent Steam app: Not collected

- Genres: Casual, Strategy

- Categories: Single\-player, Family Sharing

- Platforms: windows

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/479330/ss\_203ba3f9f64bbea129edec0f863c60abf3699c32\.1920x1080\.jpg?t=1464256204, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/479330/ss\_d656f4c4ab66cc0de422ce752dc1578f05f14ec1\.1920x1080\.jpg?t=1464256204, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/479330/ss\_ff6b0938fef4fe8f7b0892349dfe094b76ca15fb\.1920x1080\.jpg?t=1464256204, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/479330/ss\_34e9f420d4cea54ffef95b8932c320379a812337\.1920x1080\.jpg?t=1464256204, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/479330/ss\_9fa1b3f45a0850da13bbccd5dd03b2ba8dd6f2b4\.1920x1080\.jpg?t=1464256204

- Price: 7999 minor units USD; discount 0%

- Price country: US

## Observed metrics

- Current players: 1

- Steam review count: 35

- Steam positive reviews: 28

- Steam negative reviews: 7

- Steam positive percentage: 80%

- Summer DB rating: No native votes

Review filters: \{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}

## Player history

[Seven-day chart data as Markdown](/api/v1/entities/fd76f513-98c1-4476-9f11-69c2f3f0a72b/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/fd76f513-98c1-4476-9f11-69c2f3f0a72b/player-metrics?days=7)

Chart values are hourly observed maxima. The sampled 24-hour peak and missing intervals carry explicit coverage; history before collection is unknown.

## Sources and freshness

- Catalog membership: store\_catalog

- Catalog observed: 2026\-09\-28T16:58:32\.455488\+00:00

- Details observed: 2026\-09\-22T11:39:12\.95108\+00:00

- Player count observed: 2026\-09\-22T11:39:14\.206896\+00:00

- Reviews observed: 2026\-09\-22T11:39:13\.980453\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/479330/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/479330/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=479330","reviews":"https://store\.steampowered\.com/appreviews/479330"\},"price":"2026\-09\-22T11:39:12\.95108\+00:00","source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-22T11:39:12\.95108\+00:00","players":"2026\-09\-22T11:39:14\.206896\+00:00","reviews":"2026\-09\-22T11:39:13\.980453\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"6cd88e09\-9cbe\-4b6c\-8f9d\-aa497e559dc0","catalog":"76904e40\-b28e\-426d\-a79e\-10939ada204c","details":"2c89908e\-b727\-40f0\-9dbb\-2816a364ee34","players":"de0ef999\-2647\-4c60\-81e5\-594b33563933","reviews":"b77d97b3\-d42c\-49ee\-8ed0\-5793707cee18"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"fd76f513\-98c1\-4476\-9f11\-69c2f3f0a72b","revision":0,"observedAt":null,"methodology":"arithmetic\-v1","distribution":\[0,0,0,0,0,0,0,0,0,0\]\}

Steam reviews are not Summer DB votes. Missing data is not zero. Player counts are observations, not historical peaks. A supplemental record does not establish that a game was delisted.

[Steam store](https://store.steampowered.com/app/479330/) · [JSON](/api/v1/games/fd76f513-98c1-4476-9f11-69c2f3f0a72b)