Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. Nc3/3...dxe4/4. Nxe4/4...Bf5/5. Ng3/5...Bg6/6. h4/6...h6/7. Nf3/7...Nd7/8. h5/8...Bh7/9. Bd3/9...Bxd3

= Caro-Kann Defence:Classical Variation =

Taking with the queen is of course the only response, to prevent the doubled, isolated pawns.

Theory table
.

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3