r2qkb1r/p1n2ppp/B3p3/N1np4/1p1pPP2/P1P1B3/1P1KN1PP/R2Q3R b kq - 1 17
FEN state: r2qkb1r/p1n2ppp/B3p3/N1np4/1p1pPP2/P1P1B3/1P1KN1PP/R2Q3R b kq - 1 17 ; Best move: b4c3
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 pawn at a7, black knight at c7, black pawn at f7, black pawn at g7 and black pawn at h7. White bishop at a6 and black pawn at e6. White knight at a5, black knight at c5 and black pawn at d5. Black pawn at b4, black pawn at d4, white pawn at e4 and white pawn at f4. White pawn at a3, white pawn at c3 and white bishop at e3. White pawn at b2, white king at d2, white knight at e2, white pawn at g2 and white pawn at h2. White rook at a1, white queen at d1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 17. Black to move.