When I showed this game to Pete and Alex (and Daniel and Sara saw it too), I said after move 8 that this looks like a practice-position. Indeed, you could practice your tactics some here. 9.Bxh7+ wasn’t strictly necessary, as Alex showed 9.Ng5 is completely winning as well after 9….h6, 10.Qh5 or 9…BxN, 10.BxB, followed by 11.Qh5, and …g6 after trading the bishop is virtually a game-ending compromise of the dark-squares.
I guess my way of finishing the game was more picturesque, and perhaps more poignant, as we could find no refutation. After 13…f6 instead of …g6, there would have followed 14.exf Nxf, 15.Ng5+ and 16.Nxe6 fork, and White’s attack will just go from there with continued success. Naturally it was great that I got to spend forever on the clock before I played the Bxh7+ sac, but I imagine many strong players wouldn’t have required such time. I told Alemayehu after the game that he shouldn’t have traded pawns on e5, as it opened up the position too much.
This wasn’t even my best sac of the night. My best sac was when Daniel thought his sister Sara, who was playing against and lost to him, insisted she made a good move with d6. Then I pointed out she should have traded pawn and knight on e5, and then played d6, and sacked the queen for mate, and he didn’t believe it and then got mated, and even Isaac got a chuckle out of it.