r1b1kb1r/1ppqpp2/p1n4p/5p2/4P1P1/NPnP1Q1P/P2P1K2/R1B2BNR b kq - 0 13
FEN state: r1b1kb1r/1ppqpp2/p1n4p/5p2/4P1P1/NPnP1Q1P/P2P1K2/R1B2BNR b kq - 0 13 ; Best move: c3e4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at c7, black queen at d7, black pawn at e7 and black pawn at f7. Black pawn at a6, black knight at c6 and black pawn at h6. Black pawn at f5. White pawn at e4 and white pawn at g4. White knight at a3, white pawn at b3, black knight at c3, white pawn at d3, white queen at f3 and white pawn at h3. White pawn at a2, white pawn at d2 and white king at f2. White rook at a1, white bishop at c1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 13. Black to move.