4k1nr/rp2ppbp/nq1pb3/1P4p1/2pPPP2/N5PN/RPPQ1K1P/2B4R b k - 0 16
FEN state: 4k1nr/rp2ppbp/nq1pb3/1P4p1/2pPPP2/N5PN/RPPQ1K1P/2B4R b k - 0 16 ; Best move: e6h3
The current state of the chess board is: Black king at e8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at b7, black pawn at e7, black pawn at f7, black bishop at g7 and black pawn at h7. Black knight at a6, black queen at b6, black pawn at d6 and black bishop at e6. White pawn at b5 and black pawn at g5. Black pawn at c4, white pawn at d4, white pawn at e4 and white pawn at f4. White knight at a3, white pawn at g3 and white knight at h3. White rook at a2, white pawn at b2, white pawn at c2, white queen at d2, white king at f2 and white pawn at h2. White bishop at c1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 16. Black to move.