There's nothing quite like it! Not for the faint-hearted, the Blackmar-Diemer Gambit terrifies opponents and will spice up your chess life! IM Andrew Martin sounds the charge.

Part 1: Gambit Accepted - 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3, and now: 5...e6/5...g6/5...Bf5/5...Bg4/5...c6
Part 2: Gambit Declined - 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3, and now: 4...Bf5/4...e3 & 1.d4 d5 2.e4 dxe4 3.Nc3 e5