Albertan: Here is some analysis of this game:
1. d4 Nf6 2. c4
The ♕ueen's Gambit Opening.
3. Nf3 d5
Gaining more influence in the center.
4. Nc3 Bb4
Creating the threat of ...♘e4.♔osintseva is playing the ♖agozin Defense.
The most popular continuation for White in my database, pinning the knight.
A less known variation is chosen by ♔osintseva.
Forcing ♔osintseva to decide what to do with her bishop.
The most popular continuation, saving a tempo.
7. bxc3 Nbd7
Developing a piece and allowing her to recapture on f6 with this knight if Chen plays ♗xf6 at some point.
♙rotecting her c-pawn and allowing her to develop her bishop.
♔osintseva creates further tension in the center of the board.
The only move White plays in this position in my database, reducing some of the central tension.
Forcing ♔osintseva to keep her rook on a8 to defend her a-pawn.
Giving more support to her c-pawn.