diff --git a/go-sgf/src/go.rs b/go-sgf/src/go.rs
index a4f87f9..f900167 100644
--- a/go-sgf/src/go.rs
+++ b/go-sgf/src/go.rs
@@ -133,7 +133,7 @@ pub struct GameInfo {
     pub event: Option<String>,
     // Games can be played across multiple days, even multiple years. The format specifies
     // shortcuts.
-    pub date_time: Vec<chrono::NaiveDate>,
+    pub date: Vec<chrono::NaiveDate>,
     pub location: Option<String>,
     // special rules for the round-number and type
     pub round: Option<String>,
@@ -141,7 +141,7 @@ pub struct GameInfo {
     pub source: Option<String>,
     pub time_limits: Option<std::time::Duration>,
     pub game_keeper: Option<String>,
-    pub komi: Option<String>,
+    pub komi: Option<f32>,
 
     pub game_name: Option<String>,
     pub game_comments: Option<String>,
@@ -177,15 +177,15 @@ impl TryFrom<&str> for GameResult {
             Ok(GameResult::Annulled)
         } else {
             let parts = s.split("+").collect::<Vec<&str>>();
-            let res = match parts[0] {
-                "B" => GameResult::Black,
-                "W" => GameResult::White,
+            let res = match parts[0].to_ascii_lowercase().as_str() {
+                "b" => GameResult::Black,
+                "w" => GameResult::White,
                 _ => panic!("unknown result format"),
             };
-            match parts[1] {
-                "R" | "Resign" => Ok(res(Win::Resignation)),
-                "T" | "Time" => Ok(res(Win::Time)),
-                "F" | "Forfeit" => Ok(res(Win::Forfeit)),
+            match parts[1].to_ascii_lowercase().as_str() {
+                "r" | "resign" => Ok(res(Win::Resignation)),
+                "t" | "time" => Ok(res(Win::Time)),
+                "f" | "forfeit" => Ok(res(Win::Forfeit)),
                 _ => {
                     let score = parts[1].parse::<f32>().unwrap();
                     Ok(res(Win::Score(score)))
@@ -360,7 +360,7 @@ mod tests {
                 Some(std::time::Duration::from_secs(28800))
             );
             assert_eq!(
-                tree.info.date_time,
+                tree.info.date,
                 vec![
                     chrono::NaiveDate::from_ymd_opt(1996, 10, 18).unwrap(),
                     chrono::NaiveDate::from_ymd_opt(1996, 10, 19).unwrap(),
diff --git a/kifu/core/Cargo.lock b/kifu/core/Cargo.lock
index 43e9276..2047aaa 100644
--- a/kifu/core/Cargo.lock
+++ b/kifu/core/Cargo.lock
@@ -60,6 +60,15 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "cool_asserts"
+version = "2.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee9f254e53f61e2688d3677fa2cbe4e9b950afd56f48819c98817417cf6b28ec"
+dependencies = [
+ "indent_write",
+]
+
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.4"
@@ -152,6 +161,12 @@ dependencies = [
  "cxx-build",
 ]
 
+[[package]]
+name = "indent_write"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0cfe9645a18782869361d9c8732246be7b410ad4e919d3609ebabdac00ba12c3"
+
 [[package]]
 name = "itoa"
 version = "1.0.6"
@@ -171,6 +186,8 @@ dependencies = [
 name = "kifu-core"
 version = "0.1.0"
 dependencies = [
+ "chrono",
+ "cool_asserts",
  "go-sgf",
  "grid",
  "serde",
diff --git a/kifu/core/Cargo.toml b/kifu/core/Cargo.toml
index df1da7b..5972a7a 100644
--- a/kifu/core/Cargo.toml
+++ b/kifu/core/Cargo.toml
@@ -6,9 +6,13 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-go-sgf      = { path = "../../go-sgf" }
-grid        = { version = "0.9" }
-serde_json  = { version = "1" }
-serde       = { version = "1", features = [ "derive" ] }
-thiserror   = { version = "1" }
-typeshare   = { version = "1" }
+chrono          = { version = "0.4" }
+go-sgf          = { path = "../../go-sgf" }
+grid            = { version = "0.9" }
+serde_json      = { version = "1" }
+serde           = { version = "1", features = [ "derive" ] }
+thiserror       = { version = "1" }
+typeshare       = { version = "1" }
+
+[dev-dependencies]
+cool_asserts    = { version = "2" }
diff --git a/kifu/core/src/database.rs b/kifu/core/src/database.rs
index 76ca20c..af8f576 100644
--- a/kifu/core/src/database.rs
+++ b/kifu/core/src/database.rs
@@ -57,6 +57,7 @@ impl Database {
 #[cfg(test)]
 mod test {
     use super::*;
+    use cool_asserts::assert_matches;
 
     #[test]
     fn it_reads_empty_database() {
@@ -73,5 +74,14 @@ mod test {
         for game in db.all_games() {
             assert_eq!(game.game_type, GameType::Go);
         }
+
+        assert_matches!(db.all_games().find(|g| g.info.black_player == Some("Steve".to_owned())),
+        Some(game) => {
+            assert_eq!(game.info.black_player, Some("Steve".to_owned()));
+            assert_eq!(game.info.white_player, Some("Savanni".to_owned()));
+            assert_eq!(game.info.date, vec![chrono::NaiveDate::from_ymd_opt(2023, 4, 19).unwrap()]);
+            assert_eq!(game.info.komi, Some(6.5));
+        }
+        );
     }
 }