r1b2knr/pq1n3p/2pp2p1/b3pp2/5P2/3PPKP1/P1NQN2P/B1R2B1R w - - 3 20
FEN state: r1b2knr/pq1n3p/2pp2p1/b3pp2/5P2/3PPKP1/P1NQN2P/B1R2B1R w - - 3 20 ; Best move: d2a5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at f8, black knight at g8 and black rook at h8. Black pawn at a7, black queen at b7, black knight at d7 and black pawn at h7. Black pawn at c6, black pawn at d6 and black pawn at g6. Black bishop at a5, black pawn at e5 and black pawn at f5. White pawn at f4. White pawn at d3, white pawn at e3, white king at f3 and white pawn at g3. White pawn at a2, white knight at c2, white queen at d2, white knight at e2 and white pawn at h2. White bishop at a1, white rook at c1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 3. Full move number is 20. White to move.