The analysis board for the atomic chess variant seems to be bugged at the moment. I haven't checked the other variants but the engines for those ones could be bugged too. It seems to be using the engine for standard chess and applying it to the atomic variant, as it can suggest illegal moves, as shown in the video below. Though the engine does spot the mate in 2 after I make the knight move, which makes me confused as to what's going on (it seems to switch from the standard engine to the variant engine if there's an "easy to spot" mate?). Here is the video: www.youtube.com/watch?v=b4v4o8pKEL4
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