r2qkb1r/3n1ppp/2p1b2n/p2pP3/Pp4PP/5P1B/RPP1P3/1NQK2NR b kq - 1 13
FEN state: r2qkb1r/3n1ppp/2p1b2n/p2pP3/Pp4PP/5P1B/RPP1P3/1NQK2NR b kq - 1 13 ; Best move: d8b6
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black knight at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at c6, black bishop at e6 and black knight at h6. Black pawn at a5, black pawn at d5 and white pawn at e5. White pawn at a4, black pawn at b4, white pawn at g4 and white pawn at h4. White pawn at f3 and white bishop at h3. White rook at a2, white pawn at b2, white pawn at c2 and white pawn at e2. White knight at b1, white queen at c1, white king at d1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 13. Black to move.