Tkachenko Sergei. One Knight Saves The Day

LLC Elk and Ruby Publishing House, 2017. — 118 p. — ISBN 978-5-9500433-5-2.Sergei Tkachenko, a member of the Ukrainian team that won the 5th World Chess Composition Tournament in 1997 and which came second in 2000, 2004, 2013, and 2017, has collected 100 studies whose common theme is that white ends up with just one knight in the finale, yet manages to win or draw.