r1b1k1nr/pp1p1p1p/n3p3/2p3p1/1qPP1bP1/N4B1P/R3PP2/2BQ1KNR b kq - 3 13
FEN state: r1b1k1nr/pp1p1p1p/n3p3/2p3p1/1qPP1bP1/N4B1P/R3PP2/2BQ1KNR b kq - 3 13 ; Best move: f4c1
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7, black pawn at f7 and black pawn at h7. Black knight at a6 and black pawn at e6. Black pawn at c5 and black pawn at g5. Black queen at b4, white pawn at c4, white pawn at d4, black bishop at f4 and white pawn at g4. White knight at a3, white bishop at f3 and white pawn at h3. White rook at a2, white pawn at e2 and white pawn at f2. White bishop at c1, white queen 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 3. Full move number is 13. Black to move.