Magnus shows how to play English Opening: Four Knights Variation

It wasn't obvious to me at first why he resigned, but the only continuation here for black is to sacrifice a knight with Nd6, then after Rxd6, you can check with Ra2.

Everything else, white goes Rd8, and the only square for the king is g7, which then runs into a check and queen fork with Ne5. Or you can move the queen first and its forced mate in 8.

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