1nqk1b1r/1p2pp1p/P7/2pPN3/n1Q4p/2P4b/3P2P1/R1B1KBNR b KQ - 2 21
FEN state: 1nqk1b1r/1p2pp1p/P7/2pPN3/n1Q4p/2P4b/3P2P1/R1B1KBNR b KQ - 2 21 ; Best move: b7a6
The current state of the chess board is: Black knight at b8, black queen at c8, black king at d8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at e7, black pawn at f7 and black pawn at h7. White pawn at a6. Black pawn at c5, white pawn at d5 and white knight at e5. Black knight at a4, white queen at c4 and black pawn at h4. White pawn at c3 and black bishop at h3. White pawn at d2 and white pawn at g2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 2. Full move number is 21. Black to move.