Updating arcade mode

Author: mulekick

Arcade mode/The Core/15 - Chess Tavern/128 - amazonCheckmate.js

@@ -12,14 +12,16 @@ iuaa ==> "is position under amazon attack ?"
 'use strict'
 amazonCheckmate = (k, a) => {	
 	const gc = c => [c[0].charCodeAt() - 0x60, parseInt(c[1])],	[xk, yk] = gc(k), [xa, ya] = gc(a),
-	knm = (x, y) => [	[x + 1, y + 2], [x + 1, y - 2],
-						[x + 2, y + 1], [x + 2, y - 1],
-						[x - 1, y + 2], [x - 1, y - 2],
-						[x - 2, y + 1], [x - 2, y - 1]	],
+	knm = (x, y) => [
+					[x + 1, y + 2], [x + 1, y - 2], [x + 2, y + 1], [x + 2, y - 1],
+					[x - 1, y + 2], [x - 1, y - 2],	[x - 2, y + 1], [x - 2, y - 1]
+					],
 	gmvs = ([x, y]) => {
-		let nb =[	[	[x - 1, y + 1], [x    , y + 1], [x + 1, y + 1]	], 
-					[	[x - 1, y    ],                 [x + 1, y    ]	], 
-					[	[x - 1, y - 1], [x    , y - 1], [x + 1, y - 1]	]];
+		let nb =[	
+				[[x - 1, y + 1], [x    , y + 1], [x + 1, y + 1]], 
+				[[x - 1, y    ],                 [x + 1, y    ]], 
+				[[x - 1, y - 1], [x    , y - 1], [x + 1, y - 1]]
+				];
 		y === 1 ? 
 			nb.pop() : 
 		y === 8 ? 
@@ -38,7 +40,8 @@ amazonCheckmate = (k, a) => {
 		typeof kmvs.find(c => c[0] === x && c[1] === y) !== "undefined",
 	sfak = ([x, y]) => 
 		typeof aknm.find(c => c[0] === x && c[1] === y) === "undefined",
-	sfab = ([x, y]) =>	(xa - x) / (ya - y) === 1 ? 
+	sfab = ([x, y]) =>	
+						(xa - x) / (ya - y) === 1 ? 
 							(xk - x) / (yk - y) === 1 && 
 								(xa > x ? 
 									xk > x && xa > xk : 
@@ -49,18 +52,21 @@ amazonCheckmate = (k, a) => {
 									xk < x && xa < xk : 
 									xk > x && xa > xk) :
 							true,
-	sfar = ([x, y]) => x === xa ? 
-							xk === xa && (ya > y ? 
-											yk > y && ya > yk : 
-											yk < y && ya < yk) :
-					   y === ya ? 
-							yk === ya && (xa > x ? 
-											xk > x && xa > xk : 
-											xk < x && xa < xk) : 
+	sfar = ([x, y]) => 
+						x === xa ? 
+							xk === xa && 
+								(ya > y ? 
+									yk > y && ya > yk : 
+									yk < y && ya < yk) :
+						y === ya ? 
+							yk === ya && 
+								(xa > x ? 
+									xk > x && xa > xk : 
+									xk < x && xa < xk) : 
 							true,
 	iuaa = ([x, y]) => 
 		((sfab([x, y]) && sfar([x, y]) && sfak([x, y])) || (x === xa && y === ya)) === false;
-
+		
 	//Counters : checkmate, check, stalemate, default
 	var cm = 0, ch = 0, st = 0, df = 0;
 	//For each position