1r1qkb1r/1bpp2pp/np1Pp3/p4P2/6P1/1P4PP/PKPBN3/RN1Q3R w - - 1 21
FEN state: 1r1qkb1r/1bpp2pp/np1Pp3/p4P2/6P1/1P4PP/PKPBN3/RN1Q3R w - - 1 21 ; Best move: d6c7
The current state of the chess board is: Black rook at b8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black bishop at b7, black pawn at c7, black pawn at d7, black pawn at g7 and black pawn at h7. Black knight at a6, black pawn at b6, white pawn at d6 and black pawn at e6. Black pawn at a5 and white pawn at f5. White pawn at g4. White pawn at b3, white pawn at g3 and white pawn at h3. White pawn at a2, white king at b2, white pawn at c2, white bishop at d2 and white knight at e2. White rook at a1, white knight at b1, white queen at d1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. White to move.