The Arabian mate, part 2 is lesson 8 of 9 in Mating patterns I, a checkmate course suited to players rated around 700 (beginners). Rook and knight against a king in the corner: the rook gives check right next to the king, the knight guards the rook and covers the escape square. More positions, a little harder. It has 5 interactive exercises: 5 calculated lines from real positions. You play every move on a board and get feedback straight away. The lesson is free.
What you practise
Black to move: mate in 3. (3 positions)
Black to move: mate in 4.
White to move: mate in 5.
Worked examples
Black to move: mate in 3. 1...Rg3+ 2.Kh2 Nf3+ 3.Kh1 Rg1#. Arabian mate: the rook on g1 mated the cornered king, guarded by the knight on f3. Mate in 3.
Black to move: mate in 4. 1...Ra1+ 2.Bf1 Ne2+ 3.Kh1 Rxf1+ 4.Ng1 Rxg1#. Arabian mate: the rook on g1 mated the cornered king, guarded by the knight on e2. Mate in 4.