1r1k2n1/p4pp1/bp2p3/P2p1np1/4P3/2PPr3/3B1Pq1/RN2K1NB w - - 1 21
FEN state: 1r1k2n1/p4pp1/bp2p3/P2p1np1/4P3/2PPr3/3B1Pq1/RN2K1NB w - - 1 21 ; Best move: d2e3
The current state of the chess board is: Black rook at b8, black king at d8 and black knight at g8. Black pawn at a7, black pawn at f7 and black pawn at g7. Black bishop at a6, black pawn at b6 and black pawn at e6. White pawn at a5, black pawn at d5, black knight at f5 and black pawn at g5. White pawn at e4. White pawn at c3, white pawn at d3 and black rook at e3. White bishop at d2, white pawn at f2 and black queen at g2. White rook at a1, white knight at b1, white king at e1, white knight at g1 and white bishop at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. White to move.