diff --git a/.gitignore b/.gitignore
index 6b63123..a1157c1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,12 +4,9 @@
 
 # These are backup files generated by rustfmt
 **/*.rs.bk
-
 .devenv*
 devenv.local.nix
 
-# generated by samply rust profiler
-profile.json
 
 # Added by cargo
 
diff --git a/Cargo.lock b/Cargo.lock
index 54d57f5..8e5595a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -396,12 +396,6 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
 
-[[package]]
-name = "indoc"
-version = "2.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b248f5224d1d606005e02c97f5aa4e88eeb230488bcc03bc9ca4d7991399f2b5"
-
 [[package]]
 name = "inout"
 version = "0.1.3"
@@ -496,15 +490,6 @@ version = "2.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f665ee40bc4a3c5590afb1e9677db74a508659dfd71e126420da8274909a0167"
 
-[[package]]
-name = "memoffset"
-version = "0.9.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "488016bfae457b036d996092f6cb448677611ce4449e970ceaf42695203f218a"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "merge"
 version = "0.1.0"
@@ -565,12 +550,6 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3a74f2cda724d43a0a63140af89836d4e7db6138ef67c9f96d3a0f0150d05000"
 
-[[package]]
-name = "once_cell"
-version = "1.20.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "945462a4b81e43c4e3ba96bd7b49d834c6f61198356aa858733bc4acf3cbe62e"
-
 [[package]]
 name = "opaque-debug"
 version = "0.3.0"
@@ -623,12 +602,6 @@ dependencies = [
  "universal-hash",
 ]
 
-[[package]]
-name = "portable-atomic"
-version = "1.10.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "280dc24453071f1b63954171985a0b0d30058d287960968b9b2aca264c8d4ee6"
-
 [[package]]
 name = "ppv-lite86"
 version = "0.2.17"
@@ -678,69 +651,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "pyo3"
-version = "0.23.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57fe09249128b3173d092de9523eaa75136bf7ba85e0d69eca241c7939c933cc"
-dependencies = [
- "cfg-if",
- "indoc",
- "libc",
- "memoffset",
- "once_cell",
- "portable-atomic",
- "pyo3-build-config",
- "pyo3-ffi",
- "pyo3-macros",
- "unindent",
-]
-
-[[package]]
-name = "pyo3-build-config"
-version = "0.23.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1cd3927b5a78757a0d71aa9dff669f903b1eb64b54142a9bd9f757f8fde65fd7"
-dependencies = [
- "once_cell",
- "target-lexicon",
-]
-
-[[package]]
-name = "pyo3-ffi"
-version = "0.23.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dab6bb2102bd8f991e7749f130a70d05dd557613e39ed2deeee8e9ca0c4d548d"
-dependencies = [
- "libc",
- "pyo3-build-config",
-]
-
-[[package]]
-name = "pyo3-macros"
-version = "0.23.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91871864b353fd5ffcb3f91f2f703a22a9797c91b9ab497b1acac7b07ae509c7"
-dependencies = [
- "proc-macro2",
- "pyo3-macros-backend",
- "quote",
- "syn 2.0.79",
-]
-
-[[package]]
-name = "pyo3-macros-backend"
-version = "0.23.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43abc3b80bc20f3facd86cd3c60beed58c3e2aa26213f3cda368de39c60a27e4"
-dependencies = [
- "heck",
- "proc-macro2",
- "pyo3-build-config",
- "quote",
- "syn 2.0.79",
-]
-
 [[package]]
 name = "quote"
 version = "1.0.37"
@@ -961,7 +871,6 @@ dependencies = [
  "base64",
  "log",
  "merge",
- "pyo3",
  "rand",
  "serde",
  "transpose",
@@ -1023,12 +932,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "target-lexicon"
-version = "0.12.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61c41af27dd6d1e27b1b16b489db798443478cef1f06a660c96db617ba5de3b1"
-
 [[package]]
 name = "termcolor"
 version = "1.3.0"
@@ -1095,12 +998,6 @@ version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7dd6e30e90baa6f72411720665d41d89b9a3d039dc45b8faea1ddd07f617f6af"
 
-[[package]]
-name = "unindent"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7de7d73e1754487cb58364ee906a499937a0dfabd86bcb980fa99ec8c8fa2ce"
-
 [[package]]
 name = "universal-hash"
 version = "0.5.1"
diff --git a/client_cli/src/main.rs b/client_cli/src/main.rs
index 0e1bcb9..9b163eb 100644
--- a/client_cli/src/main.rs
+++ b/client_cli/src/main.rs
@@ -37,6 +37,9 @@ fn main() -> Result<()> {
 
     // Create an application.
     let mut app = App::new(args);
+    if app.should_quit {
+        println!("{}", app.display());
+    }
 
     // Start the main loop.
     while !app.should_quit {
@@ -46,9 +49,6 @@ fn main() -> Result<()> {
         app.input(input.trim());
     }
 
-    // display app final state
-    println!("{}", app.display());
-
     Ok(())
 }
 
diff --git a/devenv.nix b/devenv.nix
index 2910c32..75f70f9 100644
--- a/devenv.nix
+++ b/devenv.nix
@@ -2,24 +2,9 @@
 
 {
   # https://devenv.sh/basics/
-  # env = {
-  #   PIP_PREFIX = ""; # Ensures pip installs into the venv
-  # };
+  # env.GREET = "devenv";
 
   packages = [
-
-    # dev tools
-    pkgs.samply # code profiler
-
-    # generate python classes  from rust code (for AI training)
-    pkgs.maturin
-    # required during `maturin develop`
-    pkgs.python312Packages.pip
-    # pkgs.python312Packages.virtualenv # Ensures the venv behaves correctly
-
-    # required by python numpy (for AI training)
-    pkgs.libz
-
     # for bevy
     pkgs.alsaLib
     pkgs.udev
@@ -57,18 +42,6 @@
   # https://devenv.sh/languages/
   languages.rust.enable = true;
 
-  # for AI training
-  languages.python = {
-    enable = true;
-    uv.enable = true;
-    venv.enable = true;
-    venv.requirements = "
-      gym
-      numpy
-      stable-baselines3
-    ";
-  };
-
   # https://devenv.sh/scripts/
   # scripts.hello.exec = "echo hello from $GREET";
 
diff --git a/justfile b/justfile
index caf5ef5..5ca8d5c 100644
--- a/justfile
+++ b/justfile
@@ -10,10 +10,3 @@ runcli:
 	RUST_LOG=info cargo run --bin=client_cli
 runclibots:
 	RUST_LOG=info cargo run --bin=client_cli -- --bot dummy,dummy
-profile:
-  echo '1' | sudo tee /proc/sys/kernel/perf_event_paranoid
-  cargo build --profile profiling
-  samply record ./target/profiling/client_cli --bot dummy,dummy
-pythonlib:
-  maturin build -m store/Cargo.toml --release
-  pip install --no-deps --force-reinstall --prefix .devenv/state/venv target/wheels/*.whl
diff --git a/store/Cargo.toml b/store/Cargo.toml
index 9951a03..e0e6195 100644
--- a/store/Cargo.toml
+++ b/store/Cargo.toml
@@ -5,18 +5,11 @@ edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
-[lib]
-name = "trictrac"
-# "cdylib" is necessary to produce a shared library for Python to import from.
-crate-type = ["cdylib"]
-
 [dependencies]
 base64 = "0.21.7"
 # provides macros for creating log messages to be used by a logger (for example env_logger)
 log = "0.4.20"
 merge = "0.1.0"
-# generate python lib to be used in AI training
-pyo3 = { version = "0.23", features = ["extension-module", "abi3-py38"] }
 rand = "0.8.5"
 serde = { version = "1.0", features = ["derive"] }
 transpose = "0.2.2"
diff --git a/store/pyproject.toml b/store/pyproject.toml
deleted file mode 100644
index 55c3aff..0000000
--- a/store/pyproject.toml
+++ /dev/null
@@ -1,10 +0,0 @@
-
-[build-system]
-requires = ["maturin>=1.0,<2.0"]
-build-backend = "maturin"
-
-[tool.maturin]
-# "extension-module" tells pyo3 we want to build an extension module (skips linking against libpython.so)
-features = ["pyo3/extension-module"]
-# python-source = "python"
-# module-name = "trictrac.game"
diff --git a/store/src/game.rs b/store/src/game.rs
index 0c42e1a..43bda3e 100644
--- a/store/src/game.rs
+++ b/store/src/game.rs
@@ -582,6 +582,8 @@ impl GameState {
 /// The reasons why a game could end
 #[derive(Debug, Clone, Copy, Serialize, PartialEq, Deserialize)]
 pub enum EndGameReason {
+    // In tic tac toe it doesn't make sense to keep playing when one of the players disconnect.
+    // Note that it might make sense to keep playing in some other game (like Team Fight Tactics for instance).
     PlayerLeft { player_id: PlayerId },
     PlayerWon { winner: PlayerId },
 }
diff --git a/store/src/lib.rs b/store/src/lib.rs
index a8d5ea9..58a5727 100644
--- a/store/src/lib.rs
+++ b/store/src/lib.rs
@@ -16,48 +16,3 @@ pub use board::CheckerMove;
 
 mod dice;
 pub use dice::{Dice, DiceRoller};
-
-// python interface (for AI training..)
-use pyo3::prelude::*;
-use pyo3::types::PyTuple;
-
-#[pyclass]
-struct TricTrac {
-    // Stocke l'état du jeu ici
-}
-
-#[pymethods]
-impl TricTrac {
-    #[new]
-    fn new() -> Self {
-        TricTrac {
-            // Initialise l'état du jeu
-        }
-    }
-
-    fn get_available_moves(&self) -> Vec<(i32, i32)> {
-        // Retourne la liste des coups disponibles (exemple)
-        vec![(0, 5), (3, 8)]
-    }
-
-    fn play_move(&mut self, from_pos: i32, to_pos: i32) -> bool {
-        // Implémente la logique du jeu et renvoie `true` si le coup est valide
-        true
-    }
-}
-
-/// A Python module implemented in Rust. The name of this function must match
-/// the `lib.name` setting in the `Cargo.toml`, else Python will not be able to
-/// import the module.
-#[pymodule]
-fn trictrac(m: &Bound<'_, PyModule>) -> PyResult<()> {
-    m.add_class::<TricTrac>()?;
-
-    Ok(())
-}
-
-// #[pymodule]
-// fn trictrac(_py: Python, m: &PyModule) -> PyResult<()> {
-//     m.add_class::<TricTrac>()?;
-//     Ok(())
-// }