otherwise has to be the first move.
OK even if opponent moved his pawn at subturn 1.
+p.
+ PGN game notation: since there are two moves at each turn except on move 1,
+ a double move in the game is indicated as two comma-separated (ordered) moves,
+ as in 3.Na5,Bd3 e6,f4 (the two first are white moves,
+ the two others are black moves).
+
figure.diagram-container
.diagram
- | fen:r3kbnr/pp3ppp/3p4/4p3/8/8/PPPPPPPP/R1BQKBNR:
- figcaption After the moves 1.Nc3 d6?? 2.Nd5 e5 3.Nxc7
+ | fen:r1bqkbnr/pppp1p1p/2n5/4p2p/4P3/5N2/PPPP1PPP/RNB1KB1R:
+ figcaption After the moves 1.e4 e5,Nc6 2.Qh5,Nf3 g6,gxh5
h3 More information
-p.
- Possible starting point Wikipedia page ?
+p
+ | See for example the
+ a(href="https://www.chessvariants.com/multimove.dir/marseill.html")
+ | Marseillais Chess
+ | page on chessvariants.com.