[what is this?]

[what is this?]

7-Piece Lomonosov Tablebases 32 games, 1938-2014 Castling Incidents 16 games, 1925-1995 Highlighted Games 26 games, 1922-2015 Material Imbalances 26 games, 1936-2015 Startling Castling! Robert Timmer | 1997 Book © Some of the following games is not featured in the book. 17 games, 1844-2013 The Exchange Sacrifice: A Practical Guide Sergey Kasparov | 2016 Book © Game order 198 and above is not featured in this book, but they are based on on the topic "Exchange Sacrifice". 101 games, 1910-2014 The Exchange Sacrifice: Part 2 Sergey Kasparov | 2016 Book © 12 games, 1978-2011 Winning by Castling! 27 games, 1844-1996