diff --git a/bot/scripts/train.sh b/bot/scripts/train.sh
index 78e7e3f..9e54c7a 100755
--- a/bot/scripts/train.sh
+++ b/bot/scripts/train.sh
@@ -17,7 +17,7 @@ train() {
 }
 
 plot() {
-  NAME=$(ls "$LOGS_DIR" | tail -n 1)
+  NAME=$(ls -rt "$LOGS_DIR" | tail -n 1)
   LOGS="$LOGS_DIR/$NAME"
   cfgs=$(head -n $CFG_SIZE "$LOGS")
   for cfg in $cfgs; do
diff --git a/bot/scripts/trainValid.sh b/bot/scripts/trainValid.sh
index 349517d..546bc01 100755
--- a/bot/scripts/trainValid.sh
+++ b/bot/scripts/trainValid.sh
@@ -17,7 +17,7 @@ train() {
 }
 
 plot() {
-  NAME=$(ls "$LOGS_DIR" | tail -n 1)
+  NAME=$(ls -rt "$LOGS_DIR" | tail -n 1)
   LOGS="$LOGS_DIR/$NAME"
   cfgs=$(head -n $CFG_SIZE "$LOGS")
   for cfg in $cfgs; do
diff --git a/bot/src/dqn/burnrl/main.rs b/bot/src/dqn/burnrl/main.rs
index d8b200f..097a27b 100644
--- a/bot/src/dqn/burnrl/main.rs
+++ b/bot/src/dqn/burnrl/main.rs
@@ -17,7 +17,7 @@ fn main() {
         //                   defaults
         num_episodes: 40, // 40
         min_steps: 500.0, // 1000 min of max steps by episode (mise à jour par la fonction)
-        max_steps: 3000,  // 1000 max steps by episode
+        max_steps: 1000,  // 1000 max steps by episode
         dense_size: 256,  // 128  neural network complexity (default 128)
         eps_start: 0.9,   // 0.9  epsilon initial value (0.9 => more exploration)
         eps_end: 0.05,    // 0.05
diff --git a/bot/src/dqn/dqn_common.rs b/bot/src/dqn/dqn_common.rs
index a5661a0..d3e3c4e 100644
--- a/bot/src/dqn/dqn_common.rs
+++ b/bot/src/dqn/dqn_common.rs
@@ -71,7 +71,7 @@ impl TrictracAction {
             encoded -= 256
         }
         let checker1 = encoded / 16;
-        let checker2 = 1 + encoded % 16;
+        let checker2 = encoded % 16;
         (dice_order, checker1, checker2)
     }
 
@@ -251,7 +251,7 @@ mod tests {
         };
         let index = action.to_action_index();
         assert_eq!(Some(action), TrictracAction::from_action_index(index));
-        assert_eq!(81, index);
+        assert_eq!(54, index);
     }
 
     #[test]
@@ -261,6 +261,6 @@ mod tests {
             checker1: 3,
             checker2: 4,
         };
-        assert_eq!(Some(action), TrictracAction::from_action_index(81));
+        assert_eq!(Some(action), TrictracAction::from_action_index(54));
     }
 }
diff --git a/bot/src/strategy/dqnburn.rs b/bot/src/strategy/dqnburn.rs
index 6532adb..2b37e88 100644
--- a/bot/src/strategy/dqnburn.rs
+++ b/bot/src/strategy/dqnburn.rs
@@ -128,6 +128,7 @@ impl BotStrategy for DqnBurnStrategy {
                 (dicevals.1, dicevals.0)
             };
 
+            assert_eq!(self.color, Color::White);
             let from1 = self
                 .game
                 .board
@@ -138,14 +139,16 @@ impl BotStrategy for DqnBurnStrategy {
                 // empty move
                 dice1 = 0;
             }
-            let mut to1 = if self.color == Color::White {
-                from1 + dice1 as usize
+            let mut to1 = from1;
+            if self.color == Color::White {
+                to1 += dice1 as usize;
+                if 24 < to1 {
+                    // sortie
+                    to1 = 0;
+                }
             } else {
-                from1 - dice1 as usize
-            };
-            if 24 < to1 || to1 < 0 {
-                // sortie
-                to1 = 0;
+                let fto1 = to1 as i16 - dice1 as i16;
+                to1 = if fto1 < 0 { 0 } else { fto1 as usize };
             }
 
             let checker_move1 = store::CheckerMove::new(from1, to1).unwrap_or_default();
@@ -159,17 +162,28 @@ impl BotStrategy for DqnBurnStrategy {
                 // empty move
                 dice2 = 0;
             }
-            let mut to2 = from2 + dice2 as usize;
-            if 24 < to2 {
-                // sortie
-                to2 = 0;
+            let mut to2 = from2;
+            if self.color == Color::White {
+                to2 += dice2 as usize;
+                if 24 < to2 {
+                    // sortie
+                    to2 = 0;
+                }
+            } else {
+                let fto2 = to2 as i16 - dice2 as i16;
+                to2 = if fto2 < 0 { 0 } else { fto2 as usize };
             }
 
             // Gestion prise de coin par puissance
-            let opp_rest_field = 13;
+            let opp_rest_field = if self.color == Color::White { 13 } else { 12 };
             if to1 == opp_rest_field && to2 == opp_rest_field {
-                to1 -= 1;
-                to2 -= 1;
+                if self.color == Color::White {
+                    to1 -= 1;
+                    to2 -= 1;
+                } else {
+                    to1 += 1;
+                    to2 += 1;
+                }
             }
 
             let checker_move1 = CheckerMove::new(from1, to1).unwrap_or_default();
@@ -178,6 +192,7 @@ impl BotStrategy for DqnBurnStrategy {
             let chosen_move = if self.color == Color::White {
                 (checker_move1, checker_move2)
             } else {
+                // XXX : really ?
                 (checker_move1.mirror(), checker_move2.mirror())
             };
 
diff --git a/justfile b/justfile
index c35d494..ffa3229 100644
--- a/justfile
+++ b/justfile
@@ -28,9 +28,10 @@ trainsimple:
 trainbot:
   #python ./store/python/trainModel.py
   # cargo run --bin=train_dqn # ok
-  ./bot/scripts/trainValid.sh
+  # ./bot/scripts/trainValid.sh
+  ./bot/scripts/train.sh
 plottrainbot:
-  ./bot/scripts/trainValid.sh plot
+  ./bot/scripts/train.sh plot
 debugtrainbot:
   cargo build --bin=train_dqn_burn
   RUST_BACKTRACE=1 LD_LIBRARY_PATH=./target/debug  ./target/debug/train_dqn_burn