# Rook Endgame for Syzygy 6 > Chess endgame tablebase for Stockfish engine, improving rook endgame analysis. (iPhone/iPad app by Ted Wong.) - Source: https://appshunter.io/ios/app/rook-endgame-for-syzygy-6/id1165952263 (this page in markdown: same URL + `.md`) - Developer: [Ted Wong](https://appshunter.io/developer/570426131) - Category: Games, Entertainment, Board, Puzzle - Price: $4.99 - Rating: 4.50/5 from 2 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 10.0 · 1.4 GB - Languages: American English - Released: 2017-01-07 - Data updated: 2026-06-10 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/rook-endgame-for-syzygy-6/id1165952263/reviews.md ## What is Rook Endgame for Syzygy 6? Syzygy Chess Tablebase is a companion app with SmallFish (running the Stockfish engine). Download this app to import 6-men tablebase files into SmallFish. You can also import your own Syzygy files with iTunes. Please read the following description carefully. ---------- WARNING ---------- Syzygy 6-men endgames require significant system resources to run. It is recommended only a single 6-men endgame is installed (e.g. rook endgame). The SmallFish app might crash if you have too many 6-pieces installed (not enough memory). Your device should be iPhone 6/iPad 3 or newer, with at least 2GB RAM. Syzygy on the iOS is still a new technology, we are trying to improve it in the coming releases. ----------------- SYZYGY BUNDLE ----------------- This app bundles two highly popular 6-men Syzygy tablebase piece configurations on rook endgames. - Rook, Pawn, Pawn vs Rook - Rook, Pawn vs Rook, Pawn You should download this app to improve the Stockfish engine performance on rook endgames. ---------------- REQUIREMENTS ---------------- This app is a 2GB download. You will need the following: - The SmallFish chess app - running the Stockfish engine - Import 5-men Syzygy tablebase files into SmallFish (Search "Syzygy Tablebase" on the App Store if you don't have the 5-men app). - 2GB disk space for this app - Another 2GB disk space to process the tablebase files You will need at least 4GB disk space to run this app. It is important to import the 5-men tablebase files before the 6-men endgame files. You should also leave a few GB unused disk space while running SmallFish with 6-men endgames. -------------- DESCRIPTION -------------- Syzygy endgame tablebase is a massive database that contains pre-calculated exhaustive analysis of chess endgame positions. The tablebase is able to tell you whether your position is a win, loss or draw instantly, without running lengthly analysis. The latest Stockfish 8 chess engine provide support of the new Syzygy tablebase format. You should use this app: - Improve your Stockfish analysis and performance - Check distance to the nearest checkmate - Import your own Syzygy files with iTunes - Integrate tablebase with the SmallFish chess app (it's free) The tablebase bundled with this app should bring about 50 ELO improvement to the Stockfish engine and is recommended for all serious players. ## Key features - Import 6-men Syzygy tablebase files - Integrates with SmallFish chess app - Instant win/loss/draw assessment - Improves Stockfish engine performance - Bundles rook endgame configurations - Import custom Syzygy files via iTunes ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/rook-endgame-for-syzygy-6/id1165952263/reviews.md ### 1/5 — "ZERO " *2017-01-08* I followed the instructions and it appears that there is no way to load the 6-man database can be loaded into SmallFish. I loaded the 5-man easily, but 6-man has no means. $0.99 wasted, don't buy this unless you want to throw away a dollar. ## Frequently asked questions about Rook Endgame for Syzygy 6 ### What is Rook Endgame for Syzygy 6? Rook Endgame for Syzygy 6 is a companion app that imports 6-men Syzygy tablebase files into the SmallFish chess app. These tablebases provide pre-calculated analysis for chess endgames, allowing for instant win, loss, or draw assessments without lengthy engine analysis. ### What are the system requirements for Rook Endgame for Syzygy 6? This app requires significant system resources. It is recommended for devices iPhone 6/iPad 3 or newer with at least 2GB RAM. A total of 4GB disk space is needed for the app and file processing, with additional free space recommended while running SmallFish. ### How much does Rook Endgame for Syzygy 6 cost? Rook Endgame for Syzygy 6 is a paid application, priced at $4.99. This one-time purchase provides access to the bundled Syzygy tablebase configurations. ### Does Rook Endgame for Syzygy 6 have ads? No, Rook Endgame for Syzygy 6 does not contain advertisements. It is a paid app designed to offer an uninterrupted experience for chess analysis. ### How does Rook Endgame for Syzygy 6 improve Stockfish? By integrating the Syzygy tablebase, this app is expected to provide approximately 50 ELO improvement to the Stockfish engine's analysis in rook endgames. This allows for faster and more accurate assessments of complex endgame positions. ### What specific rook endgames are included? This app bundles two highly popular 6-men Syzygy tablebase piece configurations for rook endgames: Rook, Pawn, Pawn vs Rook, and Rook, Pawn vs Rook, Pawn. ### Is Rook Endgame for Syzygy 6 available on Android? Based on the provided information, Rook Endgame for Syzygy 6 is designed for iOS devices, specifically iPhones and iPads. There is no mention of Android compatibility. ### How often is Rook Endgame for Syzygy 6 updated? The latest version is 12.10.1, last updated on November 18, 2018. The developers mention that Syzygy on iOS is a new technology and they are working on improvements in future releases. ## Version history (last 4 releases) ### 12.10.1 — 2018-11-18 Added support for latest devices ### 10.6.4 — 2018-10-01 Updated for recent iOS devices. ### 10.5.0 — 2017-01-17 Added a new download section for new selected 6-men endgames. For example, the queen endgame bundle will give you two new popular queen endgames. ### 10.4.2 — 2017-01-07 No release notes. ## More apps by Ted Wong - [SmallFish Chess For iOS 6 - Free & Friends](https://appshunter.io/ios/app/smallfish-chess-for-ios-6-free-and-friends/id596383111) - [SmallFish Chess for Stockfish](https://appshunter.io/ios/app/smallfish-chess-for-stockfish/id675049147) - [Chess Tablebase for Stockfish](https://appshunter.io/ios/app/chess-tablebase-for-stockfish/id1183121054) - [Queen Endgame for Syzygy 6](https://appshunter.io/ios/app/queen-endgame-for-syzygy-6/id1193573717) - [Knight Endgame for Syzygy 6](https://appshunter.io/ios/app/knight-endgame-for-syzygy-6/id1193574401) All apps by Ted Wong: https://appshunter.io/developer/570426131 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*