Any hints how to survive or win having a bishop pair against a Queen in endgames. What you should do? how to cooperate between them? what's the opponent best strategies?
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This is one of the well known endgames and the side with the queen almost always (92% positions) wins, although some wins take more than 50 moves with perfect play.
See the solution for your position here by entering your position into the diagram.
I must point out that every move has been taken into account and every possible continuation has been explored.
I forgot to answer part of your question about challenging the queen:
It is worth noting, that the position shifted down by one row is a fortress setup and black draws. The setup is known as the Lolli position.
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