rnb2b2/2q4r/p1ppk1pp/3npR2/P6P/NPB3P1/R2PPP2/3QKBN1 w - - 1 20
FEN state: rnb2b2/2q4r/p1ppk1pp/3npR2/P6P/NPB3P1/R2PPP2/3QKBN1 w - - 1 20 ; Best move: f5f8
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black bishop at f8. Black queen at c7 and black rook at h7. Black pawn at a6, black pawn at c6, black pawn at d6, black king at e6, black pawn at g6 and black pawn at h6. Black knight at d5, black pawn at e5 and white rook at f5. White pawn at a4 and white pawn at h4. White knight at a3, white pawn at b3, white bishop at c3 and white pawn at g3. White rook at a2, white pawn at d2, white pawn at e2 and white pawn at f2. White queen at d1, white king at e1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. White to move.