15+5 • Rapid • Rated 1 year ago • 丁老师南山精英班周末网络联赛第46站niuniu0011187 −8Zzj13924605960679? +139StalemateRuy Lopez: Berlin Defense1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 ... 54 moves