rnbk1bnr/1p1p2p1/2p2p1p/p3pQ2/P2q1P2/4P1NP/NPPP2P1/1RBK1B1R b - - 1 13
FEN state: rnbk1bnr/1p1p2p1/2p2p1p/p3pQ2/P2q1P2/4P1NP/NPPP2P1/1RBK1B1R b - - 1 13 ; Best move: d4d6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at d7 and black pawn at g7. Black pawn at c6, black pawn at f6 and black pawn at h6. Black pawn at a5, black pawn at e5 and white queen at f5. White pawn at a4, black queen at d4 and white pawn at f4. White pawn at e3, white knight at g3 and white pawn at h3. White knight at a2, white pawn at b2, white pawn at c2, white pawn at d2 and white pawn at g2. White rook at b1, white bishop at c1, white king at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 13. Black to move.