n3kb2/1b1p2r1/8/qp2Bp1p/1PP1np1P/2QP1K2/4P1P1/RN3BNR w - - 0 23
FEN state: n3kb2/1b1p2r1/8/qp2Bp1p/1PP1np1P/2QP1K2/4P1P1/RN3BNR w - - 0 23 ; Best move: a1a5
The current state of the chess board is: Black knight at a8, black king at e8 and black bishop at f8. Black bishop at b7, black pawn at d7 and black rook at g7. Black queen at a5, black pawn at b5, white bishop at e5, black pawn at f5 and black pawn at h5. White pawn at b4, white pawn at c4, black knight at e4, black pawn at f4 and white pawn at h4. White queen at c3, white pawn at d3 and white king at f3. White pawn at e2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 23. White to move.