rn2k2r/p1pp1p2/bp1q3p/1n6/P4PP1/R1NP3P/1PP1P2R/3QKBN1 w kq - 3 16
FEN state: rn2k2r/p1pp1p2/bp1q3p/1n6/P4PP1/R1NP3P/1PP1P2R/3QKBN1 w kq - 3 16 ; Best move: a4b5
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7 and black pawn at f7. Black bishop at a6, black pawn at b6, black queen at d6 and black pawn at h6. Black knight at b5. White pawn at a4, white pawn at f4 and white pawn at g4. White rook at a3, white knight at c3, white pawn at d3 and white pawn at h3. White pawn at b2, white pawn at c2, white pawn at e2 and white rook at h2. White queen at d1, white king at e1, white bishop at f1 and white knight at g1. Black kingside and black queenside castles are available. Half move number is 3. Full move number is 16. White to move.