r2n1r2/pp1kpb2/3p3n/1R3ppp/4P3/1PP2N2/3PKPPP/1NB2B1R w - - 1 20
FEN state: r2n1r2/pp1kpb2/3p3n/1R3ppp/4P3/1PP2N2/3PKPPP/1NB2B1R w - - 1 20 ; Best move: f3g5
The current state of the chess board is: Black rook at a8, black knight at d8 and black rook at f8. Black pawn at a7, black pawn at b7, black king at d7, black pawn at e7 and black bishop at f7. Black pawn at d6 and black knight at h6. White rook at b5, black pawn at f5, black pawn at g5 and black pawn at h5. White pawn at e4. White pawn at b3, white pawn at c3 and white knight at f3. White pawn at d2, white king at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White knight at b1, white bishop at c1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 20. White to move.