Exercise #77Black to move. What would you do? Solution1… Qb2+! 2. Bxb2 Bxb2# uses the X-ray ability of the black g7-bishop to force a checkmate. NEXT EXERCISE or BACK TO TACTICS TRAINER
how about 1…. Bxc3, 2.Qd3 or Qd5 Qb2#
1… Bxc3 allows 2.Qxc3 Qxc3 3.Nxc3 because the knight on b1 will be unpinned.