Black was the slightly higher player in this game, but she missed a few key tactics at blitz speed against an experienced player who frequently plays the BDG.
White won material and increased his advantage. He eventually mated his opponent in this contest between Thom2 Christensen of Denmark vs Zala Urh of Slovenia.
My Blackmar-Diemer Tactics 500 combinations and mates.
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Christensen (2154) – Urh (2187), Titled Tuesday, 30.03.2021 begins 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 e6 6.Bd3 Be7 7.0–0 c6 8.Qe1 Nbd7 9.Bg5 Qc7 10.Ne5 h6 [10...Nxe5 11.dxe5 Nd5 12.Bxe7 Nxe7 13.Qg3 0–0 14.Ne4=] 11.Nxf7!? [11.Bf4=]
11...hxg5? [Taking the bishop on g5 loses the Exchange. Black's better option is to grab the knight (11...Kxf7!-/+) and hold on for dear life.] 12.Nxh8 Nf8 13.Ng6 Bb4 14.Nxf8 [14.Nb5!] 14...Kxf8 15.Qe5 Qb6 16.Rxf6+ [Or 16.Ne4!+-] 16...gxf6 17.Qxf6+ Ke8 18.Bg6+ Kd7 19.Na4 [19.Qf7+ Kd8 20.Rd1 Bd6 21.Ne4+-] 19...Be7? [19...Qd8 20.Qg7+ Qe7 21.Qh6 Kc7 22.Rf1+-] 20.Nxb6+ axb6 21.Qf7 Kd6 22.c4 Ra5 23.b4 Ra3 24.c5+ Kd7 25.Re1 Kd8 26.Qe8+ Kc7 27.Qxe7+ Kb8 28.Qd6+ Ka7 29.Qc7 g4 30.cxb6+ Ka6 31.Qxc8 g3 32.Qa8+ Kb5 33.Qxa3 e5 34.Bd3+ Kxb6 35.Qa5# 1–0