1. d4, d5
2. e4?! ....
The start of the Blackmar-Diemer Gambit.
2. .... dxe4
3. Nc3, Nf6
4. f3, exf3
5. Qxf3?! ....
The Ryder Gambit. White allows the d-pawn to be captured and lays a trap.
5. .... Qxd4
6. Be3, Qb4
7. 0-0-0, Bg4
8. Nb5 ....
White threatens mate by Nxc7.
8. .... Na6
9. Qxb7, Qe4
10. Qxa6, Qxe3+
Worse is 10....Bxd1, 11. Kxd1 Rd8+, 12. Bd2 and White is winning. For example 12....Ng4 13. Nxc7+ Kd7, 14. Qxa7 ....
11. Kb1, Qc5
12. Nf3 ....
White threatens Qb7 and wins either the a-pawn or the c-pawn by force.
