r1b2b1r/p2pkp2/np2p1pp/6q1/PP3Pn1/BQ1pP1PN/2P4P/RN2KB1R w KQ - 4 16
FEN state: r1b2b1r/p2pkp2/np2p1pp/6q1/PP3Pn1/BQ1pP1PN/2P4P/RN2KB1R w KQ - 4 16 ; Best move: f4g5
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at d7, black king at e7 and black pawn at f7. Black knight at a6, black pawn at b6, black pawn at e6, black pawn at g6 and black pawn at h6. Black queen at g5. White pawn at a4, white pawn at b4, white pawn at f4 and black knight at g4. White bishop at a3, white queen at b3, black pawn at d3, white pawn at e3, white pawn at g3 and white knight at h3. White pawn at c2 and white pawn at h2. White rook at a1, white knight at b1, white king at e1, white bishop at f1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 4. Full move number is 16. White to move.