Puzzle of the week #259

Level: 
3-Bishop
Chess Diagram: 

r-bq-rk-
-pp--ppp
p-p-----
--b-P---
B-----n-
--P-----
PP-P-PPP
RNBQ-RK-

Game: 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Bc5 6.Nxe5 O-O 7.Nxc6 dxc6 8.e5 Ng4 9.c3 ... see diagram
Black has developed, castled and still has some control over the center. White is planning to move 10.d4 ... and push Black back. Your tasks:
1. What is the name of the opening?
2. What should Black do now?

Total available points for this puzzle is 15. The answers will be published next week together with puzzle #260.

Puzzle #258 solution (last school year):
GM Bogdan Lalic, FB 2014.
a) 1. g5 Kf5
(1...hxg5 2. Kg4 Ke5 3. Kxg5 Ke6 4. Kg6)
2. gxh6 Kg6 3. Kg4 Kxh6 4. Kf5 Kg7 5. Kg5 Kh7 6. Kf6 Kg8 7. Kg6 Kh8 8. g4 Kg8 9. g5 Kh8 10. Kf7 1-0
b) TIPs:
- the stronger King must be in front of the pawn to stand a very good chance to win
- the opposition is key

Correct solutions:
Coco - 15 points
Benjamin, Daniel, Anya, Bradley - 10 points
Jalen, Hyson - 7 points
Cody - 5 points
Brandon, Oliver, Mrinal, Aaron - 2 points

Mrinal - 15 points for puzzle #257

FINAL STANDINGS:
Bradley - 133 points
Coco - 122 points
Jalen - 115 points

Toro - 112 points
Anya - 107 points
Hyson, Brandon, Oliver - 104 points
Benjamin - 102 points
Daniel - 85 points
Cody - 80 points
Aaron - 74 points
Mrinal - 35 points
Dheera - 5 points

Comment: 

Opening play (3)