Defend with Rook vs Rook and Bishop

With perfect play from both sides, an endgame with a rook against a rook and a bishop results in a draw. However, in practice it is very difficult for the defending side to hold the position and even grandmasters often struggle with that task. Here, you can try to defend that endgame against a very strong chess engine. The game ends in a draw if you manage to hold the position for at least 50 moves. Succeeding in this scenario indicates chess skills at master level (2200 elo or above).