Separate client and server codes. Keep everything in one git repo for simplicity

[vchess.git] / views / rules / Upsidedown / en.pug

diff --git a/views/rules/Upsidedown/en.pug b/views/rules/Upsidedown/en.pug
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-p.boxed
-       | Pawns start on the 7th rank. Move a knight to promote them.
-
-h3 Divergences
-
-p No castle, no en-passant capture.
-
-p.
-       ...Only the initial position changes, but this makes a huge difference.
-       In particular, castling would be rather pointless so it's disabled here.
-       En-passant captures are impossible because all pawns already reached 7th rank.
-
-h3 About the initial position
-
-p.
-       Since truly random start can allow a mate in 3 with a knight,
-       the kings have at least one knight neighbor in the initial position.
-       This allows to move free out of potential check from the very beginning.
-
-p.
-       A less constraining condition would be to require the two knights to stand on
-       two squares of different colors, but it's not enough as proved by the
-       following diagram.
-       White can mate in 3: 1.Nc6 followed by Nb4 threatening both a2 and d3.
-
-figure.diagram-container
-       .diagram
-               | fen:RBN1BRRQ/PPPPPPP/8/4n3/8/8/Nppppppp/brkbqr1n:
-       figcaption After 1.Nc6 Nf3 2.Nb4 Ne5 (covers d3 but not a2) 3.Nxa2#
-
-h3 Source
-
-p
-       | See for example the 
-       a(href="https://www.chessvariants.com/diffsetup.dir/upside.html") Upside down chess
-       |  page on chessvariants.com.