r2n1bnr/4qk1N/2bpN2p/6p1/pP1pP2P/B4PP1/P1P1B3/R2Q1K1R b - - 1 21
FEN state: r2n1bnr/4qk1N/2bpN2p/6p1/pP1pP2P/B4PP1/P1P1B3/R2Q1K1R b - - 1 21 ; Best move: d8e6
The current state of the chess board is: Black rook at a8, black knight at d8, black bishop at f8, black knight at g8 and black rook at h8. Black queen at e7, black king at f7 and white knight at h7. Black bishop at c6, black pawn at d6, white knight at e6 and black pawn at h6. Black pawn at g5. Black pawn at a4, white pawn at b4, black pawn at d4, white pawn at e4 and white pawn at h4. White bishop at a3, white pawn at f3 and white pawn at g3. White pawn at a2, white pawn at c2 and white bishop at e2. White rook at a1, white queen at d1, white king at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. Black to move.