White to move and win.

Total available points for this puzzle is 20. The answers and the total points will be published next week. The winner's names will also be published.

Hint: There is only one line. Also explain why Black loses the game.

Puzzle # 19 Solution:

1. Ra4! Rxa4
2. Rh3+ K anywhere but not check
3. Rh4+ K anywhere but not check
4. Rxa4 1-0

Puzzle # 20 Solution:

1. f7+! Kxf7
2. Rxe4 Rxe4
3. Ng5+ K anywhere but not check
4. Nxe4 1-0 White has won a piece.

Points awarded for Puzzle # 19

James, Ziyao, Bradley, Leon, Brendon - 20 points
Angelina, Meng Yang, Alex - 19 points
Brady - 15 points

Points awarded for Puzzle # 20

James, Ziyao, Brendon - 19 points
Angelina, Meng Yang - 18 points
Leon - 6 points
Bradley - 5 points
Alex - 4 points

Overall Standings to Date - June 26, 2010

James, Ziyao - 114 points
Angelina - 111 points
Meng Yang, Brendon - 110 points
Leon - 99 points
Alex - 96 points
Bradley - 91 points
Brady - 90 points
Cedric - 28 points
Yu Feng - 22 points
Richard - 3 points