Possible knightrider moves after 1.d3 g6 2.Nc3 Bg7.
If 3.Nxd7, 3...Bxe5 e.p. is possible.
+p.
+ Due to the extended knight movement, a capture, check or even checkmate
+ could be played at move 1. On the following diagram 1.Nxe7 is mate,
+ and black in turn could play 1...Nxg2 trapping the queen.
+ Consequently, captures are disabled at move 1.
+
+figure.diagram-container
+ .diagram
+ | fen:nbqnbrkr/pppppppp/8/8/8/8/PPPPPPPP/RNKBQNBR:
+ figcaption 1.Nxe7# and 1...Nxg2: "knightriders' anomalies".
+
h3 Source
p