The earlier problems composed by Chesthetica (this was before Steemit came along). There is some background music in these which you can mute, if you prefer.
White to Play and Mate in 3 (Solve within 30 Seconds or Pause the Video)
White to Play and Mate in 3 (Solve within 30 Seconds or Pause the Video)
White to Play and Mate in 3 (Solve within 30 Seconds or Pause the Video)