r4b1r/pp1bk3/n3pppp/qNpp2NP/1P2P3/3P4/n1PBQPP1/R3KB1R w KQ - 6 16
FEN state: r4b1r/pp1bk3/n3pppp/qNpp2NP/1P2P3/3P4/n1PBQPP1/R3KB1R w KQ - 6 16 ; Best move: b4a5
The current state of the chess board is: Black rook at a8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black bishop at d7 and black king at e7. Black knight at a6, black pawn at e6, black pawn at f6, black pawn at g6 and black pawn at h6. Black queen at a5, white knight at b5, black pawn at c5, black pawn at d5, white knight at g5 and white pawn at h5. White pawn at b4 and white pawn at e4. White pawn at d3. Black knight at a2, white pawn at c2, white bishop at d2, white queen at e2, white pawn at f2 and white pawn at g2. White rook at a1, 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 6. Full move number is 16. White to move.