rn1qk3/p1p4r/b7/1p1pNpp1/1P2nP1p/P1P1K3/4P1PP/1RBQ1BNR b q - 2 16
FEN state: rn1qk3/p1p4r/b7/1p1pNpp1/1P2nP1p/P1P1K3/4P1PP/1RBQ1BNR b q - 2 16 ; Best move: b8d7
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8 and black king at e8. Black pawn at a7, black pawn at c7 and black rook at h7. Black bishop at a6. Black pawn at b5, black pawn at d5, white knight at e5, black pawn at f5 and black pawn at g5. White pawn at b4, black knight at e4, white pawn at f4 and black pawn at h4. White pawn at a3, white pawn at c3 and white king at e3. White pawn at e2, white pawn at g2 and white pawn at h2. White rook at b1, white bishop at c1, white queen at d1, white bishop at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 2. Full move number is 16. Black to move.