Chessically these two champions are very much alike in style. In profundity, caution-cum-boldness, power of absorption in the game...

I […] shall tutorize him some day.

But he not only ticks all the boxes mentioned by Mr. Martins — musical responsiveness, use of the ballet vocabulary, a striking sense of spatial architecture — he also shows, in this work, much more.

There is an instruction manual, but it's all very Janet and John.