r1bk1b1r/p2ppppp/np1q4/1B1P4/3pPPP1/2B3n1/PPP4P/R2NK1NR b KQ - 6 13
FEN state: r1bk1b1r/p2ppppp/np1q4/1B1P4/3pPPP1/2B3n1/PPP4P/R2NK1NR b KQ - 6 13 ; Best move: g3h1
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at d7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black knight at a6, black pawn at b6 and black queen at d6. White bishop at b5 and white pawn at d5. Black pawn at d4, white pawn at e4, white pawn at f4 and white pawn at g4. White bishop at c3 and black knight at g3. White pawn at a2, white pawn at b2, white pawn at c2 and white pawn at h2. White rook at a1, white knight at d1, white king at e1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 6. Full move number is 13. Black to move.