谜题 23015:
谜题 23015:
Ulf Andersson (2560) - John Nunn (2500)
Hastings 7980 (6), 1979 Ulf Andersson (2560) - John Nunn (2500)
Hastings 7980 (6), 1979
Hastings 7980 (6), 1979 Ulf Andersson (2560) - John Nunn (2500)
Hastings 7980 (6), 1979