Zen mode
lichess.org
12345678abcdefgh
1d4d52c4c63Nc3Nf64g3Bf55Bg2e66Nf3dxc47a4Bb48O-OO-O9Ne5Bxc310bxc3Ne411g4Bg612Nxg6Nxc313Qd2Nd514Nxf8Qxf815e4Nf616g5Nfd717Ba3Qd818Bd6Qa519e5Qxd220Rab1Qxg521Rxb7Qd822Rfb1Nb623a5Nd5