r3qb1r/pppn2N1/4kp1n/4p1Bp/3PP2P/6PQ/bP3P2/2R1K1NR b K - 0 21
FEN state: r3qb1r/pppn2N1/4kp1n/4p1Bp/3PP2P/6PQ/bP3P2/2R1K1NR b K - 0 21 ; Best move: e6d6
The current state of the chess board is: Black rook at a8, black queen at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black knight at d7 and white knight at g7. Black king at e6, black pawn at f6 and black knight at h6. Black pawn at e5, white bishop at g5 and black pawn at h5. White pawn at d4, white pawn at e4 and white pawn at h4. White pawn at g3 and white queen at h3. Black bishop at a2, white pawn at b2 and white pawn at f2. White rook at c1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 21. Black to move.