Answer? [Probably the silliest move on the board.
1. Ra6 and white will get a discovery by the third move. Key lines are the white king following the black rook:
1...Re3+ 2. Kb6; 1...Rf3+ or 1...Rg2+ 2. Kc6; 1...Rg4+ or 1...Rh3+ 2. Kd7; 1...Rg5+ 2. Kd8.]
White to move and mate in three moves
Composed by Otto Wurzburg (USA)
Published in Chess Weekly, 23rd October 1909