1n1k1b2/B1r1pnp1/p3q3/1p1B3r/3PPppP/1PP4N/P5P1/RN1QK2R w - - 2 20
FEN state: 1n1k1b2/B1r1pnp1/p3q3/1p1B3r/3PPppP/1PP4N/P5P1/RN1QK2R w - - 2 20 ; Best move: d5e6
The current state of the chess board is: Black knight at b8, black king at d8 and black bishop at f8. White bishop at a7, black rook at c7, black pawn at e7, black knight at f7 and black pawn at g7. Black pawn at a6 and black queen at e6. Black pawn at b5, white bishop at d5 and black rook at h5. White pawn at d4, white pawn at e4, black pawn at f4, black pawn at g4 and white pawn at h4. White pawn at b3, white pawn at c3 and white knight at h3. White pawn at a2 and white pawn at g2. White rook at a1, white knight at b1, white queen at d1, white king at e1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 20. White to move.