r2qkb1r/1ppb1p1p/p1n1p1p1/3p4/1P3PnP/2KP1N2/P1P1P3/RNBQ1B1R b kq - 0 10
FEN state: r2qkb1r/1ppb1p1p/p1n1p1p1/3p4/1P3PnP/2KP1N2/P1P1P3/RNBQ1B1R b kq - 0 10 ; Best move: g4f2
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 b7, black pawn at c7, black bishop at d7, black pawn at f7 and black pawn at h7. Black pawn at a6, black knight at c6, black pawn at e6 and black pawn at g6. Black pawn at d5. White pawn at b4, white pawn at f4, black knight at g4 and white pawn at h4. White king at c3, white pawn at d3 and white knight at f3. White pawn at a2, white pawn at c2 and white pawn at e2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 10. Black to move.