r2q2nr/p2kppb1/1pnp2p1/1Pp4p/2P5/2QP1PPP/P3PR2/RNB1KbN1 b Q - 0 13
FEN state: r2q2nr/p2kppb1/1pnp2p1/1Pp4p/2P5/2QP1PPP/P3PR2/RNB1KbN1 b Q - 0 13 ; Best move: g7c3
The current state of the chess board is: Black rook at a8, black queen at d8, black knight at g8 and black rook at h8. Black pawn at a7, black king at d7, black pawn at e7, black pawn at f7 and black bishop at g7. Black pawn at b6, black knight at c6, black pawn at d6 and black pawn at g6. White pawn at b5, black pawn at c5 and black pawn at h5. White pawn at c4. White queen at c3, white pawn at d3, white pawn at f3, white pawn at g3 and white pawn at h3. White pawn at a2, white pawn at e2 and white rook at f2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, black bishop at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 13. Black to move.