voroskoi/pistike - Change HNCUAGWTMX3UHH2KFTUM3M6Q4CC33M6PVE5DWZWFG5UM2Y7J2ZKAC

Fix scoreMove()

Created by voroskoi on January 22, 2023

HNCUAGWTMX3UHH2KFTUM3M6Q4CC33M6PVE5DWZWFG5UM2Y7J2ZKAC

Dependencies

In channels

main

Change contents

Replacement in src/search.zig at line 36 [3.35]

B:BD[3.1248] → [3.1248:1401]

fn negamax(gs: *GameState, alpha_orig: isize, beta: isize, depth: usize) !isize {
    if (depth == 0) return try quiescenceSearch(gs, alpha_orig, beta);

[3.1248]

[3.1401]

fn negamax(gs: *GameState, alpha_orig: isize, beta: isize, depth_orig: usize) !isize {
    if (depth_orig == 0) return try quiescenceSearch(gs, alpha_orig, beta);

Insertion in src/search.zig at line 40 [3.35]
[3.1430]
[3.1430]
```
    var depth = depth_orig;
```

Insertion in src/search.zig at line 50 [3.35]

[3.1780]


    // increase search depth if king exposed to check
    if (in_check) depth += 1;

Replacement in src/main.zig at line 16 [4.50]

B:BD[2.1438] → [2.1438:1518]

            "r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq -",

[2.1438]

[2.1518]

            // "r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq - 0 1", // tricky
            "r2q1rk1/ppp2ppp/2n1bn2/2b1p3/3pP3/3P1NPP/PPP1NPB1/R1BQ1RK1 b - - 0 9", // cmk_pos

Insertion in src/main.zig at line 29 [4.50]

[2.1797]


        std.debug.print("{s}", .{search.bestMove(&gs, 5)});

Replacement in src/Board.zig at line 111 [5.16071]

B:BD[2.2819] → [2.2819:2910]

        if (a.score == b.score)
            return .eq
        else if (a.score > b.score)

[2.2819]

[2.2910]

        if (a.score > b.score)

Replacement in src/Board.zig at line 897 [5.16071]

B:BD[2.5235] → [2.5235:5367]

                .white => &[_]Chess.PE{ .P, .N, .B, .R, .Q, .K },
                .black => &[_]Chess.PE{ .p, .n, .b, .r, .q, .k },

[2.5235]

[2.5367]

                .white => &[_]Chess.PE{ .p, .n, .b, .r, .q, .k },
                .black => &[_]Chess.PE{ .P, .N, .B, .R, .Q, .K },