diff --git a/alouette.pas b/alouette.pas
index ed9436c..8219643 100644
--- a/alouette.pas
+++ b/alouette.pas
@@ -54,7 +54,7 @@ procedure TSearchThread.Execute;
   if not Terminated then
   begin
     Send(Format('bestmove %s', [LMove]));
-    Log.Append(Format('Meilleur coup trouvé en %0.3f s.', [LTimeUsed / 1000]));
+    Log.Append(Format('Meilleur coup trouvé en %0.3f s.', [LTimeUsed / 1000]), TRUE);
   end;
 end;
 
@@ -163,15 +163,16 @@ procedure TSearchThread.Execute;
                 with LThread do
                 begin
                   FreeOnTerminate := TRUE;
-                  Priority := tpHigher;
+                  //Priority := tpHigher;
+                  Priority := tpNormal;
                   Start;
                 end;
               end else
                 if LCmd = 'stop' then
                 begin
-                  Send(Format('bestmove %s', [Player.InstantMove]));
                   if Assigned(LThread) then
                     LThread.Terminate;
+                  Send(Format('bestmove %s', [Player.InstantMove]));
                 end else
                   if BeginsWith('setoption name UCI_Chess960 value ', LCmd) then
                     SetVariant(WordPresent('true', LCmd))
diff --git a/best.pas b/best.pas
index 580743c..6a69252 100644
--- a/best.pas
+++ b/best.pas
@@ -274,7 +274,9 @@ function GetBestMove(const APos: TPosition; const AVariant: boolean; const ATime
   for i := 0 to Pred(n) do
     LEval[i] := PositionalEval(APos, LListe[i]);
   SortMoves(LListe, LEval, n);
-  LMove := LListe[0];
+  //LMove := LListe[0];
+  n := CountBestMoves(LEval, n);
+  LMove := LListe[Random(n)];
   if IsCastling(APos, LMove) and not AVariant then
   begin
     Assert(((LMove and $FF00) shr 8) mod 8 = CColE);
diff --git a/castling.pas b/castling.pas
index 2b3072e..f7bd561 100644
--- a/castling.pas
+++ b/castling.pas
@@ -46,7 +46,7 @@ procedure Search(const AKingTarget, ARookTarget: integer); { Colonnes d'arrivée
   k := ToIndex(AKingTarget, LRow);
   j := ToIndex(LRookStart, LRow);
   l := ToIndex(ARookTarget, LRow);
-  Log.Append(Format('Vérifications pour roi %s tour%s...', [MoveToStr(i, k), MoveToStr(j, l)]));
+  Log.Append(Format('Vérifications pour roi %s tour %s...', [MoveToStr(i, k), MoveToStr(j, l)]));
   if IsOn(APos.Pieces[APos.SideToMove] and APos.Rooks, CIndexToSquare[j]) then
     Log.Append('Position tour vérifiée (condition 1/3).')
   else
diff --git a/player.pas b/player.pas
index 0bc8f67..9caf86a 100644
--- a/player.pas
+++ b/player.pas
@@ -14,7 +14,7 @@ interface
 procedure Reset;
 procedure LoadStartPosition;
 procedure DoMove(const AMove: string);
-function BestMove(const ATimeForMove: integer): string;
+function BestMove(const ATimeAvailable: integer): string;
 function InstantMove: string;
 procedure SetVariant(const AValue: boolean);
 function CurrentVariant: boolean;
@@ -32,38 +32,41 @@ implementation
   
 procedure Reset;
 begin
+  //Log.Append(Format('%s %s %s', [{$I %FILE%}, {$I %LINE%}, 'Reset']));
   LPos := CZeroPosition;
 end;
 
 procedure LoadStartPosition;
 begin
+  //Log.Append(Format('%s %s %s', [{$I %FILE%}, {$I %LINE%}, 'LoadStartPosition']));
   LPos := EncodePosition;
   NewHistory;
 end;
 
 procedure DoMove(const AMove: string);
 begin
+  //Log.Append(Format('%s %s %s(%s)', [{$I %FILE%}, {$I %LINE%}, 'DoMove', AMove]));
   if TryDoMove(LPos, AMove) then
     History.AppendMove(AMove)
   else
-    Log.Append(Format('ImIsMovePossible de jouer %s.', [AMove]));
+    Log.Append(Format('Impossible de jouer %s.', [AMove]));
 end;
 
-function BestMove(const ATimeForMove: integer): string;
+function BestMove(const ATimeAvailable: integer): string;
 begin
-  result := GetBestMove(LPos, LVariant, ATimeForMove);
+  //Log.Append(Format('%s %s %s(%d)', [{$I %FILE%}, {$I %LINE%}, 'BestMove', ATimeAvailable]));
+  result := GetBestMove(LPos, LVariant, ATimeAvailable);
 end;
 
 function InstantMove: string;
 begin
+  //Log.Append(Format('%s %s %s', [{$I %FILE%}, {$I %LINE%}, 'InstantMove']));
   result := LTempMove;
 end;
 
 procedure SetVariant(const AValue: boolean);
-const
-  CPrefix: array[boolean] of string = ('dés', '');
 begin
-  Log.Append(Format('Option échecs 960 %sactivée.', [CPrefix[AValue]]));
+  Log.Append(Format('%s %s %s(%d)', [{$I %FILE%}, {$I %LINE%}, 'SetVariant', Ord(AValue)]));
   LVariant := AValue;
 end;
 
@@ -74,6 +77,7 @@ function CurrentVariant: boolean;
 
 procedure SetPosition(const APos: string);
 begin
+  //Log.Append(Format('%s %s %s(%s)', [{$I %FILE%}, {$I %LINE%}, 'SetPosition', APos]));
   LPos := EncodePosition(APos, LVariant);
   NewHistory;
 end;