diff --git a/src/server/game/mod/chess/Chess.go b/src/server/game/mod/chess/Chess.go
index 23385ce8..6ef3ebd7 100644
--- a/src/server/game/mod/chess/Chess.go
+++ b/src/server/game/mod/chess/Chess.go
@@ -538,6 +538,9 @@ func (cb *ChessBorad) GetRetireChess(EmitType string) []int {
 }
 
 func (cb *ChessBorad) BeginRetire(EmitType string) error {
+	if cb.Retire == nil {
+		cb.Retire = make(map[string]int)
+	}
 	_, ok := cb.Retire[EmitType]
 	if ok {
 		return errors.New("chess has been retired")