Opposite-coloured bishops (OCB) are tricky beasts. In many (but not all!) endgames, they turn the fight on the board into a boring tea-party, mostly ending in a draw. Many club players therefore expect that in the middlegame they will behave similarly. However, nothing can be further from truth. | Photo: <a href="https://pixabay.com/de/vectors/schach-bischof-meeple-schwarz-wei%C3%9F-36303/">pixabay</a>.