- 5. Qxf3?! is bad cuz of 5...Qxd4 (Explorer's stats are misleading)
- 5...Bg4? is a mistake
Ryder Gambit Queen Trap
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Jul 7, 2017
0
#2
Jul 7, 2017
0
#3
- Qxd4 invites yet another (the Halosaur) trap.
- 5. ... Bg4? and 7. ... Rb8?? are both bad, but may look attractive at first glance. All traps require mistakes.
Bear in mind I'm still playing blitz in the 1000-1200 range, where this exact line is surprisingly common.
Jul 7, 2017
0
#4
All right. It's indeed good as a surprise weapon in blitz. 
Here's the correct black's defense on 5. Qxf3:
1. d4 d5, 2. e4 dxe4 (Blackmar-Diemer Gambit Accepted), 3. Nc3 Nf6, 4. f3 exf3 (Ryder Gambit Accepted), 5. Qxf3 Bg4, 6. Qxb7 Nbd7 (only move that doesn't lose a piece), 7. Nb5 Rb8 (kicking queen; skewering knight) 8. Nxc7+ Qxc7 (only legal move), 9. Qxc7 ... .