r1bqkb2/3pp1rp/1pn3pB/p1p2n1P/2KP2P1/1PP1p3/P3PPR1/RN1Q1B2 w q - 0 16
FEN state: r1bqkb2/3pp1rp/1pn3pB/p1p2n1P/2KP2P1/1PP1p3/P3PPR1/RN1Q1B2 w q - 0 16 ; Best move: c4d3
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black bishop at f8. Black pawn at d7, black pawn at e7, black rook at g7 and black pawn at h7. Black pawn at b6, black knight at c6, black pawn at g6 and white bishop at h6. Black pawn at a5, black pawn at c5, black knight at f5 and white pawn at h5. White king at c4, white pawn at d4 and white pawn at g4. White pawn at b3, white pawn at c3 and black pawn at e3. White pawn at a2, white pawn at e2, white pawn at f2 and white rook at g2. White rook at a1, white knight at b1, white queen at d1 and white bishop at f1. Black queenside is the only castle move available. Half move number is 0. Full move number is 16. White to move.