r1b1kb1r/p1q2pp1/8/1pp1pnPp/P4N1P/1P1P4/R1PP1P1R/2BQKBN1 b kq - 0 13
FEN state: r1b1kb1r/p1q2pp1/8/1pp1pnPp/P4N1P/1P1P4/R1PP1P1R/2BQKBN1 b kq - 0 13 ; Best move: e5f4
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 a7, black queen at c7, black pawn at f7 and black pawn at g7. Black pawn at b5, black pawn at c5, black pawn at e5, black knight at f5, white pawn at g5 and black pawn at h5. White pawn at a4, white knight at f4 and white pawn at h4. White pawn at b3 and white pawn at d3. White rook at a2, white pawn at c2, white pawn at d2, white pawn at f2 and white rook at h2. White bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white knight at g1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 13. Black to move.