White to play and win
In the Teschner book, the question is asked ’what happens after 1 Re7 Rc3?’
Lee v Sakharov, Vrnjacka Banja 1963
Solution
Not too hard: examine all biffs leads to 1 Qf7+! being looked at, when 1…Rf7[] 2 Re8+ Rf8[] 3 R(either)f8 is mate.