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// This file is part of the shakmaty-syzygy library. // Copyright (C) 2017-2019 Niklas Fiekas <niklas.fiekas@backscattering.de> // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program. If not, see <http://www.gnu.org/licenses/>. //! Probe Syzygy endgame tablebases. //! //! [Syzygy tables](https://syzygy-tables.info/#syzygy) allow optimal play //! under the 50-move rule. Tables are available for positions with up to //! 7 pieces. //! //! # Example //! //! ``` //! # extern crate shakmaty; //! # extern crate shakmaty_syzygy; //! # //! # use std::error::Error; //! use shakmaty::Chess; //! use shakmaty::fen::Fen; //! use shakmaty_syzygy::{Tablebase, Wdl, Dtz, Syzygy}; //! //! # fn try_main() -> Result<(), Box<dyn Error>> { //! let mut tables = Tablebase::new(); //! tables.add_directory("tables/regular")?; //! //! let pos: Chess = "8/8/8/8/B7/N7/K2k4/8 b - - 0 1" //! .parse::<Fen>()? //! .position()?; //! //! let wdl = tables.probe_wdl(&pos)?; //! assert_eq!(wdl, Wdl::Loss); //! //! let dtz = tables.probe_dtz(&pos)?; //! assert_eq!(dtz, Dtz(-59)); //! # //! # Ok(()) //! # } //! # //! # fn main() { //! # try_main().expect("success"); //! # } //! ``` //! //! # Errors //! //! See [`SyzygyError`](enum.SyzygyError.html) for possible error //! conditions. //! //! # Cargo features //! //! * `backtrace`: Provides a `backtrace` field on `ProbeError::CorruptedTable`. //! This may be useful to identify issues with corrupted tablebase files or //! to debug the probing code. Currently requires nightly Rust. #![doc(html_root_url = "https://docs.rs/shakmaty-syzygy/0.13.0")] #![warn(missing_debug_implementations)] #![warn(rust_2018_idioms)] #![cfg_attr(feature = "backtrace", feature(backtrace))] #[macro_use] mod errors; mod material; mod table; mod tablebase; mod types; pub use crate::errors::{ProbeError, SyzygyError}; pub use crate::tablebase::Tablebase; pub use crate::types::{Dtz, Metric, Syzygy, TableType, Wdl}; #[cfg(fuzzing)] pub use crate::table::{DtzTable, WdlTable}; #[cfg(fuzzing)] pub use crate::types::DecisiveWdl;