That's a great performance; I love the piece. You've got a beautiful sound and you obviously relish Janacek's harmonies. And your final chord was spectacularly right, the perfect sound for it.
If I were going to critique anything, I'd say that you may have tempered the full bleakness of the piece with maybe a little too much Romantic warmth. Your version still has plenty of sorrow, but there's a sort of bitterness that I think was lacking. Maybe a little more spikiness to the rhythm, more use of silences and sometimes less pedal would bring back the edge that I hear when I imagine this piece. These are minor complaints, though. I really enjoyed your performance. Thanks for posting it.