voroskoi/pistike - Change BN4RHNZN3VGWKUCMGVO6RX4MT7CIJ6HDTYJGCCUET2EZUHAJ6M6AC

Do not use the search result when the search if half-finished because of time control

Created by voroskoi on February 3, 2023

BN4RHNZN3VGWKUCMGVO6RX4MT7CIJ6HDTYJGCCUET2EZUHAJ6M6AC

Dependencies

In channels

main

Change contents

Insertion in src/Search.zig at line 129 [5.35]

[3.4704]

[4.400]


            self.state.backup(&start_state);
            start_history = self.state.history.count();

Deletion in src/Search.zig at line 142 [5.35]
∅:D[6.1305] → [3.4838:4880]
B:BD[3.4838] → [3.4838:4880]
```
            if (self.stopSearch()) break;
```

Replacement in src/Search.zig at line 144 [5.35]

B:BD[4.463] → [3.4911:4981]

            const scr = try self.negamax(alpha, beta, current_depth);

[4.463]

[3.4981]

            const scr = self.negamax(alpha, beta, current_depth) catch |err| {
                switch (err) {
                    error.TimeIsUp => {
                        self.tearDownHard();
                        break;
                    },
                    else => @panic("undexpected negamax error"),
                }
            };

Insertion in src/Search.zig at line 168 [5.35]

[3.5358]

[2.338]

        try self.printBestMove();
    }
    fn printBestMove(self: *@This()) !void {

Insertion in src/Search.zig at line 230 [5.35]

[7.843]

    }
    inline fn tearDown(self: *@This(), bck: *GameState) void {
        self.ply -= 1;
        self.state.restore(bck);
        _ = self.state.history.pop();
    }
    fn tearDownHard(self: *@This()) void {
        self.ply = 0;
        self.state.history.shrinkRetainingCapacity(start_history);

Replacement in src/Search.zig at line 250 [5.35]

B:BD[8.1234] → [8.1234:1281]

                        .empty => unreachable,

[8.1234]

[8.1281]

                        .empty => @panic("negamax: found .empty entry in tt"),

Replacement in src/Search.zig at line 263 [5.35]

∅:D[8.1739] → [9.1809:1878]

B:BD[3.6036] → [9.1809:1878]

        if (nodes & CHECK_STOP == 0 and self.stopSearch()) return 0;

[8.1739]

[10.858]

        if (nodes & CHECK_STOP == 0 and self.stopSearch()) return error.TimeIsUp;

Replacement in src/Search.zig at line 311 [5.35]
B:BD[8.1774] → [8.1774:1805]
B:BD[8.1805] → [11.918:964]
∅:D[11.964] → [12.451:452]
∅:D[7.1062] → [12.451:452]
∅:D[8.1805] → [12.451:452]
∅:D[3.7066] → [12.451:452]
B:BD[12.451] → [12.451:452]
B:BD[12.452] → [3.7067:7109]
```
                self.ply -= 1;
                _ = self.state.history.pop();
                self.state.restore(&bck);
```
[8.1774]
[12.482]
```
                self.tearDown(&bck);
```
Replacement in src/Search.zig at line 349 [5.35]
B:BD[3.7988] → [3.7988:8019]
B:BD[3.8019] → [11.1027:1073]
∅:D[11.1073] → [3.8019:8061]
∅:D[7.1170] → [3.8019:8061]
B:BD[3.8019] → [3.8019:8061]
```
                self.ply -= 1;
                _ = self.state.history.pop();
                self.state.restore(&bck);
```
[3.7988]
[3.8061]
```
                self.tearDown(&bck);
```

Replacement in src/Search.zig at line 391 [5.35]

B:BD[3.10044] → [3.10044:10109]

            self.ply -= 1;
            self.state.restore(&bck);

[3.10044]

[3.10109]

            self.tearDown(&bck);

Deletion in src/Search.zig at line 393 [5.35]
B:BD[3.10142] → [11.1074:1116]
```
            _ = self.state.history.pop();
```

Replacement in src/Search.zig at line 465 [5.35]

B:BD[3.12019] → [9.1879:1948]

        if (nodes & CHECK_STOP == 0 and self.stopSearch()) return 0;

[3.12019]

[5.3786]

        if (nodes & CHECK_STOP == 0 and self.stopSearch()) return error.TimeIsUp;