r2q1kn1/p2p4/P5nr/2P1Pppp/5PPP/N3KN2/PQ2P3/R1B2B1R w - - 1 21
FEN state: r2q1kn1/p2p4/P5nr/2P1Pppp/5PPP/N3KN2/PQ2P3/R1B2B1R w - - 1 21 ; Best move: g4f5
The current state of the chess board is: Black rook at a8, black queen at d8, black king at f8 and black knight at g8. Black pawn at a7 and black pawn at d7. White pawn at a6, black knight at g6 and black rook at h6. White pawn at c5, white pawn at e5, black pawn at f5, black pawn at g5 and black pawn at h5. White pawn at f4, white pawn at g4 and white pawn at h4. White knight at a3, white king at e3 and white knight at f3. White pawn at a2, white queen at b2 and white pawn at e2. White rook at a1, white bishop at c1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. White to move.