2rqkb2/1bpp3r/5npp/pp6/3BPPP1/PnPP2NP/6K1/RN2Q2R w - - 2 20
FEN state: 2rqkb2/1bpp3r/5npp/pp6/3BPPP1/PnPP2NP/6K1/RN2Q2R w - - 2 20 ; Best move: a1a2
The current state of the chess board is: Black rook at c8, black queen at d8, black king at e8 and black bishop at f8. Black bishop at b7, black pawn at c7, black pawn at d7 and black rook at h7. Black knight at f6, black pawn at g6 and black pawn at h6. Black pawn at a5 and black pawn at b5. White bishop at d4, white pawn at e4, white pawn at f4 and white pawn at g4. White pawn at a3, black knight at b3, white pawn at c3, white pawn at d3, white knight at g3 and white pawn at h3. White king at g2. White rook at a1, white knight at b1, white queen at e1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. White to move.