diff --git a/chess.go b/chess.go
index 07d1dfa..a7968ba 100644
--- a/chess.go
+++ b/chess.go
@@ -21,11 +21,11 @@ func chessCommand(m chat1.MsgSummary) {
 			return
 		}
 		if parts[1] == "show" {
-			go showBoard(m, &g)
+			go showBoard(m, g)
 			return
 		}
 
-		submitMove(m, &g)
+		submitMove(m, g)
 		return
 	}
 	log.LogInfo("Game not found")
@@ -66,7 +66,7 @@ func chessCommand(m chat1.MsgSummary) {
 
 }
 
-func showBoard(m chat1.MsgSummary, g *Game) {
+func showBoard(m chat1.MsgSummary, g Game) {
 	defer log.PanicSafe("showBoard")
 	// create file
 	log.LogInfo("Creating file for %+v.svg", m.ConvID)
@@ -107,7 +107,7 @@ func showBoard(m chat1.MsgSummary, g *Game) {
 	}
 }
 
-func submitMove(m chat1.MsgSummary, g *Game) {
+func submitMove(m chat1.MsgSummary, g Game) {
 	defer log.PanicSafe("submitMove")
 	defer saveConfig()
 	parts := strings.Split(m.Content.Text.Body, " ")