Hi This is Quinteros-Fischer. White's 23rd move gets !!. For really deep annotations, I mean pages and pages visit http://www.chesscafe.com/text/dvoretsky04.pdf
26. Bh6 + is correct and the complications are only beginning. Kh8 27. Nxc8 Qxe2 28. Nd6. It's goes on and is really complicated. I suggest reading the article mentioned above for those interested.