rnb1kb1r/1pp1q1p1/3ppp2/p2P4/1P4PP/N1P2P2/P1QKPn2/1RB3NR b - - 0 20
FEN state: rnb1kb1r/1pp1q1p1/3ppp2/p2P4/1P4PP/N1P2P2/P1QKPn2/1RB3NR b - - 0 20 ; Best move: f2h1
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at c7, black queen at e7 and black pawn at g7. Black pawn at d6, black pawn at e6 and black pawn at f6. Black pawn at a5 and white pawn at d5. White pawn at b4, white pawn at g4 and white pawn at h4. White knight at a3, white pawn at c3 and white pawn at f3. White pawn at a2, white queen at c2, white king at d2, white pawn at e2 and black knight at f2. White rook at b1, white bishop at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.