Puzzle of the week #261

Level: 
3-Bishop
Chess Diagram: 

[Event "Puzzle #261"][Date "2014.10.12"][Result "1-0"]1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5 5.a3 Qa5 6.Bd2 Nc6 7.Qd1 Nxd4

During the opening moves of this game we have already seen an aggressive play on Black's side, using the power of the pins. The result is an advantage in development by Black. Your tasks:
a) Name the opening
b) What happens if White takes the Bishop: 8. axb4 ...?
c) What should white do here? Play the best line you can think of

Total available points for this puzzle is 20. The answers will be published next week together with puzzle #262.

Puzzle #260 solution:
Game: Nimzovich - Alapin, 1914. Again, not a lot of correct answers for (b) and (c). White had the chance to end the game in spectacular fashion; see answer for (c):
a) Opening name: French defence
b) White sacrificed the d4-Knight to open up both d- and e-files
c) Solution:

[Event "Puzzle #260"][Date "2014.10.07"][Result "1-0"]1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.exd5 Nxd5 5.Nf3 c5 6.Nxd5 Qxd5 7.Be3 cxd4 8.Nxd4 a6 9.Be2 Qxg2 10.Bf3 Qg6 11.Qd2 e5 12.O-O-O exd4 13.Bxd4 Nc6 {Solution} 14.Bf6 Qxf6 15.Rhe1+ Be7 (15...Be6 16.Qd7#) 16.Bxc6+ Kf8 (16...bxc6 17.Qd8#) 17.Qd8+ Bxd8 18.Re8#

Correct solutions:
Bradley - 15 points
Anya - 13 points
Hyson, Benjamin, Jalen, Yakov - 10 points
Oliver, Brandon - 6 points
Cody, Daniel, Coco - 5 points
Aaron - 2 points
Deryk, Dheera - 1 point

Standings:
Bradley - 22 points
Yakov - 20 points
Anya, Jalen - 18 points
Hyson - 17 points
Benjamin - 16 points
Daniel - 14 points
Brandon, Oliver - 13 points
Cody, Coco - 8 points
Aaron - 3 point
Deryk, Dheera - 1 point

Comment: 

Opening play (5)