It crashed for me:

    Uncaught TypeError: Cannot read properties of null (reading 'type')
        at $80b91fc9d2f468ec$export$4abc8fab4139dfcd (index.e2b13a6c.js:1:406898)
        at $c692b767326c99ec$var$PieceHandler.getMoveableSquares (index.e2b13a6c.js:4:4373)
        at index.e2b13a6c.js:4:13557
        at oQ (index.e2b13a6c.js:1:60912)
        at o0 (index.e2b13a6c.js:1:61761)
        at oZ (index.e2b13a6c.js:1:60941)
        at Object.useState (index.e2b13a6c.js:1:72377)
        at Object.q (index.e2b13a6c.js:1:10352)
        at $a2d3bef833187ce9$export$474cd6ee072cf5a4 (index.e2b13a6c.js:4:12305)
        at oF (index.e2b13a6c.js:1:58673)