Perpetual check, part 2 is lesson 7 of 8 in Defensive moves, a tactics course suited to players rated around 1400 (club players). When you are losing, checks that never end save the game: a draw by perpetual check. More positions, a little harder. It has 8 interactive exercises: 8 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: hold the draw. (4 positions)
White to move: hold the draw. (4 positions)
Worked examples
Black to move: hold the draw. 1...Qh1+ 2.Kf2 Qf3+ 3.Ke1 Qe3+. The checks never stop: the game is drawn by perpetual check. The game is saved. After Qxe5 the position would be lost.
Black to move: hold the draw. 1...Rxd4+ 2.cxd4 Rf2+ 3.Kg4 Rg2+. The checks never stop: the game is drawn by perpetual check. The game is saved. After Rd8 the position would be lost.
chessGM