r2qk1r1/3pbpp1/p3p2p/2pb1n2/Pn3P2/6PN/R1PPPK1P/1NB1QB1R w q - 0 16
FEN state: r2qk1r1/3pbpp1/p3p2p/2pb1n2/Pn3P2/6PN/R1PPPK1P/1NB1QB1R w q - 0 16 ; Best move: a2b2
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8 and black rook at g8. Black pawn at d7, black bishop at e7, black pawn at f7 and black pawn at g7. Black pawn at a6, black pawn at e6 and black pawn at h6. Black pawn at c5, black bishop at d5 and black knight at f5. White pawn at a4, black knight at b4 and white pawn at f4. White pawn at g3 and white knight at h3. White rook at a2, white pawn at c2, white pawn at d2, white pawn at e2, white king at f2 and white pawn at h2. White knight at b1, white bishop at c1, white queen at e1, white bishop at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 16. White to move.