rn1qkbn1/1b1pp3/p5p1/2p4r/P1B3Q1/1p1PPN2/1PP2PPP/RNB2K1R w q - 2 16
FEN state: rn1qkbn1/1b1pp3/p5p1/2p4r/P1B3Q1/1p1PPN2/1PP2PPP/RNB2K1R w q - 2 16 ; Best move: g4g6
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black bishop at b7, black pawn at d7 and black pawn at e7. Black pawn at a6 and black pawn at g6. Black pawn at c5 and black rook at h5. White pawn at a4, white bishop at c4 and white queen at g4. Black pawn at b3, white pawn at d3, white pawn at e3 and white knight at f3. White pawn at b2, white pawn at c2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 2. Full move number is 16. White to move.