One of the most popular defences to d4 is the King’s Indian. In this video, we see a trapping line in the London System, if Black plays without careful consideration of the thematic e5. The trap is as follows – 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Be2 d6 6. h3 Nbd7 7. O-O Re8 8. c4 e5? 9. dxe5 dxe5 10. Nxe5! Nxe5 11. Qxd8 Rxd8 12. Bxe5