rn2kb1r/2ppnppp/bp4Q1/4p3/p1P1P3/1P3BPP/P2P1P2/R1qN1KNR b kq - 5 18
FEN state: rn2kb1r/2ppnppp/bp4Q1/4p3/p1P1P3/1P3BPP/P2P1P2/R1qN1KNR b kq - 5 18 ; Best move: c1a1
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at c7, black pawn at d7, black knight at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black bishop at a6, black pawn at b6 and white queen at g6. Black pawn at e5. Black pawn at a4, white pawn at c4 and white pawn at e4. White pawn at b3, white bishop at f3, white pawn at g3 and white pawn at h3. White pawn at a2, white pawn at d2 and white pawn at f2. White rook at a1, black queen at c1, white knight at d1, white king at f1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 5. Full move number is 18. Black to move.