diff --git a/main.go b/main.go
index f1afca0..b2c1680 100644
--- a/main.go
+++ b/main.go
@@ -14,8 +14,8 @@ import (
 )
 
 var hp = flag.Int("hp", 50, "")
-var speed = flag.Float64("speed", 50, "")
-var acceleration = flag.Float64("acceleration", 50, "")
+var speed = flag.Int("speed", 50, "")
+var acceleration = flag.Int("acceleration", 50, "")
 var weaponRadius = flag.Int("wrad", 50, "weapon radius")
 var scannerRadius = flag.Int("srad", 50, "scanner radius")
 var fireRate = flag.Int("fire-rate", 50, "scanner radius")
@@ -30,24 +30,32 @@ type infos struct {
 	width, height float32
 }
 
-type Stats struct {
-	Hp            int     `json:"hp"`
-	Speed         float32 `json:"speed"`
-	Acceleration  float32 `json:"acceleration"`
-	WeaponRadius  int     `json:"weapon_radius"`
-	ScannerRadius int     `json:"scanner_radius"`
-	FireRate      int     `json:"fire_rate"`
+type ClientConfig struct {
+	ID    string                  `json:"id"`
+	Stats map[string]StatsRequest `json:"stats"`
+}
+
+type StatsRequest struct {
+	Hp            int `json:"hp"`
+	Speed         int `json:"speed"`
+	Acceleration  int `json:"acceleration"`
+	WeaponRadius  int `json:"weapon_radius"`
+	ScannerRadius int `json:"scanner_radius"`
+	TurnSpeed     int `json:"turn_speed"`
+	FireRate      int `json:"fire_rate"`
+	WeaponDamage  int `json:"weapon_damage"`
+	WeaponSpeed   int `json:"weapon_speed"`
 }
 
 type Scanner struct {
 	Position govector.Point2d `json:"position"`
-	Stats    Stats            `json:"stats"`
+	Stats    StatsRequest     `json:"stats"`
 }
 
 type Robot struct {
 	Id          string            `json:"id"`
 	Name        string            `json:"name"`
-	Stats       Stats             `json:"stats"`
+	Stats       StatsRequest      `json:"stats"`
 	TargetSpeed float32           `json:"speed"`
 	Speed       float32           `json:"speed"`
 	Health      int               `json:"health"`
@@ -79,7 +87,7 @@ type Splosion struct {
 type Instruction struct {
 	MoveTo *govector.Point2d `json:"move_to,omitempty"`
 	FireAt *govector.Point2d `json:"fire_at,omitempty"`
-	Stats  Stats             `json:"stats"`
+	Stats  StatsRequest      `json:"stats"`
 }
 
 func connect() (*websocket.Conn, error) {
@@ -155,23 +163,24 @@ func negociate(ws *websocket.Conn, gameid string) (i *infos, err error) {
 	}
 	log.Printf("%+v", gameparam)
 
-	err = websocket.JSON.Send(ws, &struct {
-		ID   string `json:"id"`
-		Name string `json:"name"`
-		// TODO: candidate for embedding?
-		Stats Stats `json:"stats"`
-	}{
-		ID:   gameid,
-		Name: *botname,
-		Stats: Stats{
-			Hp:            *hp,
-			Speed:         float32(*speed),
-			Acceleration:  float32(*acceleration),
-			WeaponRadius:  *weaponRadius,
-			ScannerRadius: *scannerRadius,
-			FireRate:      *fireRate,
+	conf := ClientConfig{
+		ID: gameid,
+		Stats: map[string]StatsRequest{
+			*botname: StatsRequest{
+				Hp:            *hp,
+				Speed:         *speed,
+				Acceleration:  *acceleration,
+				WeaponRadius:  *weaponRadius,
+				ScannerRadius: *scannerRadius,
+				TurnSpeed:     50,
+				FireRate:      *fireRate,
+				WeaponDamage:  50,
+				WeaponSpeed:   50,
+			},
 		},
-	})
+	}
+
+	err = websocket.JSON.Send(ws, conf)
 
 	var handshake struct {
 		ID      string `json:"id"`