r3k2r/pbpqp1bN/5n2/1pn4p/3ppP1P/1P1P2K1/P1P3P1/RNB1Q2R w kq - 0 23
FEN state: r3k2r/pbpqp1bN/5n2/1pn4p/3ppP1P/1P1P2K1/P1P3P1/RNB1Q2R w kq - 0 23 ; Best move: h7f6
The current state of the chess board is: Black rook at a8, black king at e8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at c7, black queen at d7, black pawn at e7, black bishop at g7 and white knight at h7. Black knight at f6. Black pawn at b5, black knight at c5 and black pawn at h5. Black pawn at d4, black pawn at e4, white pawn at f4 and white pawn at h4. White pawn at b3, white pawn at d3 and white king at g3. White pawn at a2, white pawn at c2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white queen at e1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 23. White to move.