Mate in three or more is lesson 8 of 9 in Real-game tactics 8: Deep combinations, a tactics course suited to players rated around 2000 (strong club players). Longer mating combinations: keep checking, keep the king boxed in, and count every reply. It has 6 interactive exercises: 6 calculated lines from real positions. You play every move on a board and get feedback straight away. The lesson is free.
What you practise
White to move: mate in 5. (4 positions)
Black to move: mate in 5. (2 positions)
Worked examples
White to move: mate in 5. 1.Qf6+ Be7 2.Qb6+ Ke8 3.Nc7+ Kd8 4.Ne6+ Ke8 5.Ng7#. The knight on e6 attacked the king and the rook at once. Mate in 5.
Black to move: mate in 5. 1...Bh6+ 2.Ng5 Qf6+ 3.Ke3 Bxg5+ 4.Kd3 Qf5+ 5.e4 Qxe4#. Taking the knight on g5 removed the defender of e4. Mate in 5.
chessGM