Puzzle 3893: White mates in 4. Reset Information Game Type Chess: End Game WhiteSamuel Shankland BlackSteven Zierk Game LocationLas Vegas Year2008 TurnWhite Moves4 Fen String4rRQ1/pp2P1p1/6k1/6B1/4b3/6PP/P6K/4q3 w - - 1 0 Solution Puzzle SolutionRf6+ Kh5 Rh6+