Puzzle of the week #263

Chess Diagram: 


This interesting game was played @ this year's 41st Olympiad in Norway:
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 Nxd5 6.Nxf7 Kxf7 7.Qf3+ Ke6 8.Nc3 Nb4 9.a3 Nxc2+ 10.Kd1 Nxa1 11.Nxd5 Kd6 12.d4 Be6 13.Re1 b5
White is down a full Rook, while both Kings are caught in the center. Your tasks:
a) Name the opening
b) What does white have in exchange for the sacrificed Rook?
c) Find the best play for white

Total available points for this puzzle is 20. The answers will be published next week together with puzzle #264.

Puzzle #262 solution:
Game Steinitz – Pielhal, 1862. The correct answers were as follows:
a) Evans gambit
b) Black is up 3 pawns, so it can return material in exchange for continuing the game
c) Winning line: 16. Nxd7 Qxd5 17. Nf6+ Kf8 18. Bxe7#

Only Coco managed to answer correctly to all of them. Some who found the winning line, failed to answer correctly for question "b".

Correct solutions:
Coco - 20 points
Anya, Benjamin, Jalen - 16 points
Bradley - 15 points
Daniel - 11 points
Deryk, Dheera, Cody, Brandon, Oliver, Terry, Hyson - 7 points
Yakov, Aaron - 3 points

Bradley - 57 points
Jalen - 49 points
Coco - 46 points
Daniel, Anya - 40 points
Brandon, Oliver, Benjamin - 38 points
Hyson - 36 points
Yakov - 35 points
Cody - 30 points
Dheera - 14 points
Aaron - 12 point
Deryk - 8 point


Two Knights, Fried Liver attack (1)