4qbn1/3kpnpr/2p2p2/1p1P1b1p/1P2P2P/3P2P1/PQ3P2/RNBK2NR w - - 2 20
FEN state: 4qbn1/3kpnpr/2p2p2/1p1P1b1p/1P2P2P/3P2P1/PQ3P2/RNBK2NR w - - 2 20 ; Best move: e4f5
The current state of the chess board is: Black queen at e8, black bishop at f8 and black knight at g8. Black king at d7, black pawn at e7, black knight at f7, black pawn at g7 and black rook at h7. Black pawn at c6 and black pawn at f6. Black pawn at b5, white pawn at d5, black bishop at f5 and black pawn at h5. White pawn at b4, white pawn at e4 and white pawn at h4. White pawn at d3 and white pawn at g3. White pawn at a2, white queen at b2 and white pawn at f2. White rook at a1, white knight at b1, white bishop at c1, white king at d1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. White to move.