1r1q1bnr/pb3ppp/3p4/P1p2k2/Np3P1P/1P6/n1PPQ1P1/1NB1K2R w - - 0 20
FEN state: 1r1q1bnr/pb3ppp/3p4/P1p2k2/Np3P1P/1P6/n1PPQ1P1/1NB1K2R w - - 0 20 ; Best move: g2g4
The current state of the chess board is: Black rook at b8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at d6. White pawn at a5, black pawn at c5 and black king at f5. White knight at a4, black pawn at b4, white pawn at f4 and white pawn at h4. White pawn at b3. Black knight at a2, white pawn at c2, white pawn at d2, white queen at e2 and white pawn at g2. White knight at b1, white bishop at c1, white king at e1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. White to move.