This is the game. Before move 11. your knight was on c3 and not on b1, with the exact same situation and of course you couldn't move your bishop as your knight blocked it. The situation from the image never occurred during the game. Where did you get this image, I don't know. 
Strange situation with bishop possible moves
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Nov 28, 2020
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#2
Could anyone tell me why in the situation below I was not able to move my bishop to c3, b4, a5?