With better occupation and control of center by white for now.
4... Ng8f6 5. Nb1c3 a6 6. Ng1f3 e6
White has a more dynamic center which controls more squares.
7. Bf1d3 b5 8. O-O Bc8b7 9. d5
An attempt to open the center as black's king remains there.
9... exd5 10. exd5
The d 5 pawn is now poisoned as capturing with either black piece results in 11.Bxb5+ axb5, 12 Nxd5. Material even but black has 3 isolated pawns and king in the center.
10... Bf8e7 11. Bc1f4
Still leaving the d5 pawn poisoned.
11... O-O 12. Nf3d4
An attempt to draw the f6 knight away so Qh5 is playable, which threatens mate.
12... Nf6xd5 13. Nc3xd5 Bb7xd5 14. Qd1h5
Attempt successful and now the double threat of mate and capture at d5.
