push for v5

Heiaha · Apr 23, 2022 · c03e4d6 · c03e4d6
1 parent 076bf0c
commit c03e4d6
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Showing 3 changed files with 6 additions and 3 deletions.
diff --git a/Cargo.toml b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "Weiawaga"
 authors = ["Heiaha"]
 repository = "https://github.com/Heiaha/Weiawaga"
-version = "4.0.0"
+version = "5.0.0"
 edition = "2021"
 readme = "README.md"
 rust-version = "1.59"

diff --git a/README.md b/README.md
@@ -24,6 +24,8 @@ https://lichess.org/@/Weiawaga
     - [Check extensions](https://www.chessprogramming.org/Check_Extensions)
 - Primary Evaluation
     - [NNUE](https://www.chessprogramming.org/NNUE)
+      - Incremental Updating 
+      - Buckets
 - Classical Evaluation
   - [Material imbalance](https://www.chessprogramming.org/Material)
   - [Piece square tables](https://www.chessprogramming.org/Piece-Square_Tables)
@@ -42,5 +44,6 @@ https://lichess.org/@/Weiawaga
     - [Zobrist hashing](https://www.chessprogramming.org/Zobrist_Hashing) / [Transposition table](https://en.wikipedia.org/wiki/Transposition_table)
 
 Move generation inspired by [surge](https://github.com/nkarve/surge). A previous version of this engine written in Java can be found [here](https://github.com/Heiaha/WeiawagaJ).
+The NNUE training code can be found [here](https://github.com/Heiaha/Mimir).
 
 **[What's a Weiawaga?](https://www.youtube.com/watch?v=7lRpoYGzx0o)**
diff --git a/src/evaluation/score.rs b/src/evaluation/score.rs
@@ -5,7 +5,7 @@ pub type Value = i32;
 pub type Phase = i32;
 
 #[derive(Clone, Copy, Debug, Eq)]
-pub struct Score(i32);
+pub struct Score(Value);
 
 macro_rules! S {
     ($x:expr, $y:expr) => {
@@ -41,7 +41,7 @@ impl Score {
 
     #[inline(always)]
     pub fn is_checkmate(value: Value) -> bool {
-        2 * value.abs() >= Self::INF
+        value.abs() >> 1 >= Self::INF
     }
 
     pub fn scores(&self) -> (Value, Value) {