# Puzzle of the week #305

Level:
5-Queen
Chess Diagram:

`[Event "Puzzle #305"][Date "2016.12.12"][Result "0-1"]1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3 Qa5 7.Bxf6 Nxf6 8.a3`

In this QGD Cambridge Springs line white does not have to worry about Bg5 anymore and with his latest move it intends to defend the critical e1-a5 diagonal and push black back. You are black and it is your turn to move. Your tasks:
a) Analyse the position
b) Play the best line you can think of looking to get a better middle game position
Total available points for this puzzle is 20. The answers will be published next time together with puzzle #306.

Puzzle #304 solution:
Opening theory. Congratulations for all good answers! The correct answers were:
a) 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.e3 c6 6.Nf3 Qa5 7.Bd3 ...
b) QGD Cambridge Springs variation
c) Best line for black is:

`[Event "Puzzle #304"][Date "2016.12.04"][Result "0-1"][SetUp "1"][FEN "r1b1kb1r/pp1n1ppp/2p1pn2/q2p2B1/2PP4/2NBPN2/PP3PPP/R2QK2R b KQkq - 3 7"]7... Bb4 (7... Ne4 8.Qc2 Nxg5 9.Nxg5 dxc4 {0-1}) 8.Qb3 (8.Qc2 dxc4 9.Bxc4 Ne4 10.Qxe4 Bxc3+ 11.bxc3 Qxc3+ {0-1}) Ne4 9.Bxe4 dxe4 10.Nd2 Bxc3 11.Qxc3 Qxg5 12.Nxe4 Qxg2 {0-1}`

Correct solutions:
Jalen, Cody, Deryk - 25 + 5 (early solution)
Uros - 25 + 5 (solution without attending the class)
Coco, Bradley, Benjamin - 25 points
Yakov - 15 + 5 (early solution)
Dheera - 2 + 5 (early solution)

Standings:
Coco - 75 points
Cody - 74 points
Jalen - 67 points
Deryk - 62 points
Bradley - 60 points
Benjamin - 54 points
Uros - 38 points
Yakov - 36 points
Dheera - 18 points

Comment:

QGD