As soon as I learned the pairings, I knew the boy will play his father’s opening – Blackmar-Diemer gambit.  I had Black, here is the game. I played it once against the father, didn’t accept  and drew, though missed winning chances. I decided to play 3… Nxe4 , called Hubsch variation after the game Hubsch – Tarkower, Vienna, 1922 – http://www.chessvideos.tv/replayer-insert.php?id=15037

I just knew that it has better stats, didn’t know about that game, maybe wouldn’t play it. 🙂 The reputation of BDG requires you to be careful. On move 8 I missed a chance to win another pawn. He tried to get some attack and I played c5, eventually creating isolated  pawn and some space for me. Then I saw that I can release the pressure and force exchanges after Nd5. His Bd3 allowed even more, but I went along the line that I calculated before –  taking on g5, then my bishop taking on d3 and still controlling h7. I saw the possible fork on e3 of course, but somehow it got lost between the lines where it was not possible, like  20. Ne3 Bxg6 and missed the Fritz’s line 19… h6 with a big advantage. Anyway I liked my position.

After some play on queenside I managed to win another pawn and finally we got into knight ending. Funny that I was winning the “d4” pawn and then suddenly decided that it’s risky to have my knight hanging with only king’s support not seeing that after 43…Nc2+ 44.Kd3 Nxd4 45.Nc3+ my king can go to e5. Anyway, he made a final mistake – Nc3 and right after that resigned.

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