rnbqk1n1/2p4r/pp1p1p1b/4p1p1/PP2P1P1/2N3PR/2PPQP2/R1B1K1N1 w q - 0 16
FEN state: rnbqk1n1/2p4r/pp1p1p1b/4p1p1/PP2P1P1/2N3PR/2PPQP2/R1B1K1N1 w q - 0 16 ; Best move: f2f4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black king at e8 and black knight at g8. Black pawn at c7 and black rook at h7. Black pawn at a6, black pawn at b6, black pawn at d6, black pawn at f6 and black bishop at h6. Black pawn at e5 and black pawn at g5. White pawn at a4, white pawn at b4, white pawn at e4 and white pawn at g4. White knight at c3, white pawn at g3 and white rook at h3. White pawn at c2, white pawn at d2, white queen at e2 and white pawn at f2. White rook at a1, white bishop at c1, white king at e1 and white knight at g1. Black queenside is the only castle move available. Half move number is 0. Full move number is 16. White to move.