add La Mancha, Argess, 4 Kings Quasi Shatranj (#739)

src/variants.ini

@@ -1832,6 +1832,44 @@ castlingQueensideFile = c
 castlingKingsideFile = e
 promotionRegionWhite = *6
 
+#https://www.zillions-of-games.com/cgi-bin/zilligames/submissions.cgi?do=show;id=1367
+[la-mancha-squeez:snailtrail]
+pieceToCharTable = P.....................p.....................
+maxRank = 9
+maxFile = 9
+startFen = p7P/9/9/9/3p*P3/9/9/9/p7P w 0 1
+
+[la-mancha-duel:la-mancha-squeez]
+customPiece1 = p:K
+
+#https://www.chessvariants.com/diffsetup.dir/argess.html
+[argess:chess]
+pawnTypes = p
+customPiece1 = p:mWcF
+#yes, black moves first
+startFen = rppppnbk/6qb/7n/7p/PPPP3p/RNPP3p/BQNP3p/KBRP3r b 0 1
+castling = false
+promotionRegionWhite = g8 h8 h7
+promotionRegionBlack = a1 a2 b1
+
+#https://www.chessvariants.com/rules/4-kings-quasi-shatranj
+[quasi-shatranj:twokings2]
+pieceToCharTable = PN....E...G..FZ....IAKpn....e...g..fz....iak
+maxRank = 10
+maxFile = 10
+customPiece1 = a:AD
+customPiece2 = e:AF
+customPiece3 = f:AW
+customPiece4 = i:DF
+customPiece5 = z:DW
+customPiece6 = g:K
+extinctionPieceCount = 3
+startFen = kifkaakfik/znegaagenz/pppppppppp/10/10/10/10/PPPPPPPPPP/ZNEGAAGENZ/KIFKAAKFIK w 0 1
+promotionRegionWhite = *10
+promotionPieceTypes = zangief
+doubleStepRegionWhite = *3
+doubleStepRegionBlack = *8
+
 #https://www.zillions-of-games.com/cgi-bin/zilligames/submissions.cgi?do=show;id=1723
 [symphony:tictactoe]
 maxRank = 8
@@ -1847,3 +1885,4 @@ startFen = 8/8/8/8/8/8/8/8[PPPPPPpppppp] w - - 0
 maxRank = 7
 startFen = 7/7/7/7/7/7/7[PPPPPPPPPPPPPPPPPPPPPPPPPpppppppppppppppppppppppp] w - - 0 1
 enclosingDrop = anyside
+