B-619 B+P vs scB Composed Studies E-book: Bishop Endgames May 17, 2019June 27, 2020 GM Vlatko Kovacevic82 In a similar position the weaker side can save the game by the horizontal opposition provided the bishop controls the square in front of the pawn. A study by Berger is a case in point. … 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.