In order to swap the active white queen, which will help Black neutralize the passed pawn on d7 and realize the extra pawn.

2.Qxe5? Bb7-+
2.Qh4 Rf6 , preparing ...Bb7, is also bad for White.

With the double intention of 7...Rxa4 and 7...Rd4. Black is winning.

Swapping queens to facilitate the realization of the extra pawn.

1...Qa7? 2.Nxd5+-
1...Rc6 2.Qxb6 Rxb7 3.Na4+/-

White soon won more material, and the game.

Forcing a winning pawn ending.

White resigned

Initiating an exchange combination that will help in realizing the extra pawn.