diff --git a/arduino_pong.ino b/arduino_pong.ino
index bb2fba7..91b637f 100644
--- a/arduino_pong.ino
+++ b/arduino_pong.ino
@@ -36,9 +36,9 @@ enum game_statuses : uint8_t {
 game_statuses game_status= TIMER;
 
 Ball ball(4, 6);
-// HumanPaddle p1(1, P1_BTN_UP, P1_BTN_BOTTOM);
+HumanPaddle p1(1, P1_BTN_UP, P1_BTN_BOTTOM);
 // HumanPaddle p2(4, P2_BTN_UP, P2_BTN_BOTTOM);
-BotPaddle p1(1, 0, 2);
+// BotPaddle p1(1, 0, 2);
 BotPaddle p2(4, MATRIX_WIDTH-1, 1);
 Engine engine(p1, p2, ball, INITIAL_BALL_DELAY);
 Renderer renderer(p1, p2, ball, frame, matrix);
diff --git a/src/ball.cpp b/src/ball.cpp
index b3e1d91..6148a81 100644
--- a/src/ball.cpp
+++ b/src/ball.cpp
@@ -36,7 +36,9 @@ int8_t Ball::get_direction_y() {
 
 void Ball::reset_position () {
   _x= BALL_RESET_X;
-  _y= BALL_RESET_Y;
+  int8_t delta= random(3);
+  if (random(2) == 0) delta *= -1;
+  _y= BALL_RESET_Y + delta;
   this -> _init_directions(_direction_x);
   this -> _init_directions(_direction_y);
 }
diff --git a/src/engine.cpp b/src/engine.cpp
index 19250e9..4d4cef2 100644
--- a/src/engine.cpp
+++ b/src/engine.cpp
@@ -64,9 +64,9 @@ bool Engine::control_players() {
   bool need_refresh= false;
 
   if (_p1.is_human()) need_refresh |= _p1.check_pad_movement();
-  else need_refresh |= _p1.check_pad_movement();
+  else need_refresh |= _p1.check_pad_movement(_ball);
   if (_p2.is_human()) need_refresh |= _p2.check_pad_movement();
-  else need_refresh |= _p2.check_pad_movement();
+  else need_refresh |= _p2.check_pad_movement(_ball);
   return need_refresh;
 }