P-222B E-book: Pawn Endgames K+3P vs K+3P April 3, 2019June 27, 2020 GM Vlatko Kovacevic108 b) The next obvious pair of corresponding squares is d6-d4. … This content is for Premium members only. Subscribe Login Try for Free GM Vlatko KovacevicVlado Kovacevic is a chess grandmaster and an endgame expert. He very successfully competed on the national team. From 2000 – 2004, he acted as selector of the Croatian Men’s national team. He is also a well-known chess author.