r4knr/p1n3pp/B1p5/6q1/pb2p2B/N1R1pNPP/1PP2P2/5K1R w - - 1 20
FEN state: r4knr/p1n3pp/B1p5/6q1/pb2p2B/N1R1pNPP/1PP2P2/5K1R w - - 1 20 ; Best move: f3g5
The current state of the chess board is: Black rook at a8, black king at f8, black knight at g8 and black rook at h8. Black pawn at a7, black knight at c7, black pawn at g7 and black pawn at h7. White bishop at a6 and black pawn at c6. Black queen at g5. Black pawn at a4, black bishop at b4, black pawn at e4 and white bishop at h4. White knight at a3, white rook at c3, black pawn at e3, white knight at f3, white pawn at g3 and white pawn at h3. White pawn at b2, white pawn at c2 and white pawn at f2. White king 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.