A very nice combination. I've seen an abridged version of this on Tactics Trainer, but very good to see it in context with names attached. Thanks for posting, and no, I didn't find Fonaroff's resource.
Can you finish like Capa --
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I got all of white's moves, but was too focused on the bishop capture for mate to see the other move. Then once the bishop captured, I remembered seeing puzzles with that exact position was how I was able to solve that part.
RainbowRising wrote:
YOu wrote: 18...Bxe5? then Qxg7 is mate, doesnt black not just play Bxg7... --> I dont understand the point of Rd1
Capture the bishop, and they either lose a rook or white gets mate.
nice puzzle at the beginning it looked like something is going to happen in the d6 square. I found most of the moves
RainbowRising wrote:
YOu wrote: 18...Bxe5? then Qxg7 is mate, doesnt black not just play Bxg7... --> I dont understand the point of Rd1
You didn't understand, and neither did I! 
The old bishops-can-move-backwards trick, I thought I'd outgrown that particular blunder. Oh well. White's actual threat after Bxe5 would be Qxe5 threatening mate (at Qg7, now that it's not defended!) or winning the rook -- Rd1 allows black to break the pin by threatening the back rank mate... if Qxc7 Rxe1#
This is a celebrated Capablanca combination. Try to guess the first move, but you're really a master if you can see to the finish from there. Fonaroff finds some resourceful defense.. can you find Fonaroff's 18th move? A few moves in the puzzle still remains challenging... can you find Capa's 20th move. Good luck.