1nb1k2r/4qp1p/rppp2p1/p3pn2/2PbQPPP/4P3/PP6/RNB1KBNR w k - 0 16
FEN state: 1nb1k2r/4qp1p/rppp2p1/p3pn2/2PbQPPP/4P3/PP6/RNB1KBNR w k - 0 16 ; Best move: g4f5
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8 and black rook at h8. Black queen at e7, black pawn at f7 and black pawn at h7. Black rook at a6, black pawn at b6, black pawn at c6, black pawn at d6 and black pawn at g6. Black pawn at a5, black pawn at e5 and black knight at f5. White pawn at c4, black bishop at d4, white queen at e4, white pawn at f4, white pawn at g4 and white pawn at h4. White pawn at e3. White pawn at a2 and white pawn at b2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 0. Full move number is 16. White to move.