Puzzle 23047:
Puzzle 23047:
Israel Zilber (2410) - Michael Stean (2540)
Hastings 7980 (14), 1979 Israel Zilber (2410) - Michael Stean (2540)
Hastings 7980 (14), 1979
Hastings 7980 (14), 1979 Israel Zilber (2410) - Michael Stean (2540)
Hastings 7980 (14), 1979