Two bishops: the long way is lesson 3 of 6 in Endgame 10: Bishop and knight mate, an endgame course suited to players rated around 2400 (advanced players). Longer mates with two bishops: restrict the king step by step without letting it escape. 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 8. (3 positions)
Black to move: mate in 8. (2 positions)
Black to move: mate in 7.
Worked examples
White to move: mate in 8. 1.Ke3 Kg3 2.Bf3 Kh2 3.Kf2 Kh3 4.Bg5 Kh2 5.Be4 Kh3 6.Bf5+ Kh2 7.Bf4+ Kh1 8.Be4#. The bishops worked side by side and the king was mated in the corner. Mate in 8.
Black to move: mate in 8. 1...Kg6 2.Kg1 Bh3 3.Kh1 Kf5 4.Kg1 Kg4 5.Kh1 Bf4 6.Kg1 Kg3 7.Kh1 Bg2+ 8.Kg1 Be3#. The bishops worked side by side and the king was mated in the corner. Mate in 8.