The answer to the above Challenge will be available soon. Here is the answer to the Line B #2 Challenge: 1. Qxf4 gxf4 2. Nxd7 Black's queen was attacked on the previous move and his Knight check at f4 did not make a difference. Go back to Brainteaser Index Page. Go back to the previous Challenge. The next Chess Challenge will be available soon.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ~See the world's oldest known complete chess set Luxury Chess; featured in the first Harry Potter movie! Click on Harry Potter Chess Set.~ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . We will be happy to take your order personally, or answer any questions you may have. Contact us at 1-877-658-9879 Email: contact@luxurychess.com