rnb2qr1/pp1pb3/1Q5n/P1P1p2p/2k1P3/R5P1/2PPKP1P/2B3NR w - - 8 21
FEN state: rnb2qr1/pp1pb3/1Q5n/P1P1p2p/2k1P3/R5P1/2PPKP1P/2B3NR w - - 8 21 ; Best move: a3a4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at f8 and black rook at g8. Black pawn at a7, black pawn at b7, black pawn at d7 and black bishop at e7. White queen at b6 and black knight at h6. White pawn at a5, white pawn at c5, black pawn at e5 and black pawn at h5. Black king at c4 and white pawn at e4. White rook at a3 and white pawn at g3. White pawn at c2, white pawn at d2, white king at e2, white pawn at f2 and white pawn at h2. White bishop at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 8. Full move number is 21. White to move.