rn1qkb2/1pp2p2/1Qbppn2/1P4rp/3PP3/N3KPpP/P1P3P1/R1B2BNR w q - 8 16
FEN state: rn1qkb2/1pp2p2/1Qbppn2/1P4rp/3PP3/N3KPpP/P1P3P1/R1B2BNR w q - 8 16 ; Best move: b5c6
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8 and black bishop at f8. Black pawn at b7, black pawn at c7 and black pawn at f7. White queen at b6, black bishop at c6, black pawn at d6, black pawn at e6 and black knight at f6. White pawn at b5, black rook at g5 and black pawn at h5. White pawn at d4 and white pawn at e4. White knight at a3, white king at e3, white pawn at f3, black pawn at g3 and white pawn at h3. White pawn at a2, white pawn at c2 and white pawn at g2. White rook at a1, white bishop at c1, white bishop at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 8. Full move number is 16. White to move.