7+0 • Blitz • Rated 4 years ago • Colegio Puerto del Sur ArenaCAROLINA20201196 +8harry-potter_111256 −8Checkmate • White is victoriousBlackmar-Diemer Gambit: Blackmar Gambit1. d4 d5 2. e4 dxe4 3. f3 e5 ... 50 moves