# Constants

```cpp
constexpr Bitboard DEFAULT_CHECKMASK = Bitboard(0xFFFFFFFFFFFFFFFFull);
constexpr auto STARTPOS              = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";
constexpr auto MAX_MOVES             = 256;
```
