chess/stratEval.java at master · c-brooks/chess · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82

public class StratEval {

	public static int materialBalance(String[][] pos)
	{
		int materialEval=0;
		int materialW=0; int materialB=0;

		for(int i=0; i<64; i++)
		{
		switch (pos[i/8][i%8])
			{
		case "P":
			materialW+=100;
			break;
		case "B":
			materialW+=340;
			break;
		case "N":
			materialW+=320;
			break;
		case "R":
			materialW+=500;
			break;
		case "Q":
			materialW+=900;
			break;
		case "K":
			materialW+=100000;
			break;
		case "p":
			materialB+=100;
			break;
		case "b":
			materialB+=340;
			break;
		case "n":
			materialB+=320;
			break;
		case "r":
			materialB+=500;
			break;
		case "q":
			materialB+=900;
			break;
		case "k":
			materialB+=100000;
			break;
			}
		}
		materialEval = 2*(materialW-materialB);
		return materialEval;
	}

	public static int globalEval(String[][] pos) // END RESULT: Addition of other classes, no eval
	{
		int eval=0;

 		eval+=materialBalance(pos)+Activity.piecePlacement(pos)+PawnStructure.spaceW(pos)
 		-PawnStructure.spaceB(pos)+PawnStructure.pawnCenter(pos)+ Activity.development();


		for (int i=0; i<64; i++)
		{
		if(BB.controlB()[i] && BB.piecesW[i] && !BB.controlW()[i]) // attackedW
			eval-=20;
		if(BB.controlW()[i] && BB.piecesB[i] && !BB.controlB()[i]) // attackedB
			eval+=20;
		if(BB.pTakesB[i] && BB.piecesW[i])
			eval+=40;
		if(BB.pTakesW[i] && BB.piecesB[i])
			eval-=40;
		}

	    if(Board.kCastlingW) eval+=30;
	    if(Board.qCastlingW) eval+=10;
	    if(Board.kCastlingB) eval-=30;
	    if(Board.qCastlingB) eval-=10;

		return eval;
	}
}