2kr3r/p3b1pn/2b1p3/Ppnp4/5NpP/1R1qP1P1/2PPNP2/2B1K2R b K - 0 23
FEN state: 2kr3r/p3b1pn/2b1p3/Ppnp4/5NpP/1R1qP1P1/2PPNP2/2B1K2R b K - 0 23 ; Best move: d3e4
The current state of the chess board is: Black king at c8, black rook at d8 and black rook at h8. Black pawn at a7, black bishop at e7, black pawn at g7 and black knight at h7. Black bishop at c6 and black pawn at e6. White pawn at a5, black pawn at b5, black knight at c5 and black pawn at d5. White knight at f4, black pawn at g4 and white pawn at h4. White rook at b3, black queen at d3, white pawn at e3 and white pawn at g3. White pawn at c2, white pawn at d2, white knight at e2 and white pawn at f2. White bishop at c1, white king at e1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 23. Black to move.