hmm, never heard of it: http://en.wikipedia.org/wiki/Dani%C3%ABl_Noteboom
Noteboom

It got its name when someone was playing the Marshall Gambit, and just after playing the move and beginning to record it, the other player shouted "BOOM!" and the resulting line is what his spooked hand scrawled instead.
Uhhh dude...
Marshal gambit is something like 1. d4 d5 2. c4 c6 3. Nc3 e6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 Bxb4 Qxe4 +
I analyse all my games in Fritz, and he is so kind to tell me what opening did I play. But what I got few minutes ago is longest so far.
D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.
What the heck is Noteboom??
I know what Marshall Gamit in Semi Slav is:
But what is noteboom??
The game. With analysis.