r1bq3r/p1pkp2p/1pn3pb/1B1p1P2/3P1P2/1P2BN2/P1P1KnPP/R2Q1N1R b - - 11 17
FEN state: r1bq3r/p1pkp2p/1pn3pb/1B1p1P2/3P1P2/1P2BN2/P1P1KnPP/R2Q1N1R b - - 11 17 ; Best move: f2d1
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black rook at h8. Black pawn at a7, black pawn at c7, black king at d7, black pawn at e7 and black pawn at h7. Black pawn at b6, black knight at c6, black pawn at g6 and black bishop at h6. White bishop at b5, black pawn at d5 and white pawn at f5. White pawn at d4 and white pawn at f4. White pawn at b3, white bishop at e3 and white knight at f3. White pawn at a2, white pawn at c2, white king at e2, black knight at f2, white pawn at g2 and white pawn at h2. White rook at a1, white queen at d1, white knight at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 11. Full move number is 17. Black to move.