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[perft] Print the fen string of the board position

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Eryn Wells 2025-06-17 16:42:35 -07:00
parent 076cdfe66f
commit f3b31d5514
1 changed files with 7 additions and 3 deletions
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10
perft/src/main.rs
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@ -1,4 +1,7 @@
use chessfriend_position::{Position, fen::FromFenStr, perft::Perft}; use chessfriend_position::{
Position,
fen::{FromFenStr, ToFenStr},
};
use clap::Parser; use clap::Parser;
#[derive(Parser, Debug)] #[derive(Parser, Debug)]
@ -14,14 +17,15 @@ fn main() -> anyhow::Result<()> {
let args = Arguments::parse(); let args = Arguments::parse();
let depth = args.depth; let depth = args.depth;
println!("depth {depth}");
let mut position = if let Some(fen) = args.fen { let mut position = if let Some(fen) = args.fen {
Position::from_fen_str(&fen)? Position::from_fen_str(&fen)?
} else { } else {
Position::starting(None) Position::starting(None)
}; };
println!("fen \"{}\"", position.to_fen_str().unwrap());
println!("depth {depth}");
let nodes_searched = position.perft(depth); let nodes_searched = position.perft(depth);
println!("nodes {nodes_searched}"); println!("nodes {nodes_searched}");