FoxyChess › Traps › Halosar Trap
Halosar Trap
A trap in the Blackmar-Diemer's Ryder Gambit. White castles long and plays Nb5; if Black greedily takes the queen with ...Bxf3, Nxc7 is checkmate, and other captures lose heavy material.
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How the trap goes
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Qxf3 Qxd4 6.Be3 Qb4 7.O-O-O Bg4 8.Nb5 Bxf3 9.Nxc7#
More lines
9.Qxb7 Bxd1 10.Qxa8+
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Qxf3 Qxd4 6.Be3 Qb4 7.O-O-O Bg4 8.Nb5 Na6 9.Qxb7 Bxd1 10.Qxa8+
12.Qc6+ Kd8 13.Qxc7+ Ke8 …
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Qxf3 Qxd4 6.Be3 Qb4 7.O-O-O Bg4 8.Nb5 Na6 9.Qxb7 Qe4 10.Qxa6 Bxd1 11.Kxd1 Qxe3 12.Qc6+ Kd8 13.Qxc7+ Ke8 14.Nd6+ exd6 15.Bb5+ Nd7 16.Qxd7#
12.Qc6+ Nd7 13.Qxa8+ Nb8 …
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Qxf3 Qxd4 6.Be3 Qb4 7.O-O-O Bg4 8.Nb5 Na6 9.Qxb7 Qe4 10.Qxa6 Bxd1 11.Kxd1 Qxe3 12.Qc6+ Nd7 13.Qxa8+ Nb8 14.Qxb8+ Kd7 15.Qxc7+
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All 7 lines in this trap
- 8.Nb5 Bxf3 9.Nxc7#
- 9.Qxb7 Bxd1 10.Qxa8+
- 12.Qc6+ Kd8 13.Qxc7+ Ke8 …
- 12.Qc6+ Nd7 13.Qxa8+ Nb8 …
- 11.Kxd1 Rd8+ 12.Bd2