1n1k2nr/rpq5/1Q1p1ppp/6B1/1bppB1PP/2N2P1R/2P1P3/R1K3N1 b - - 2 21
FEN state: 1n1k2nr/rpq5/1Q1p1ppp/6B1/1bppB1PP/2N2P1R/2P1P3/R1K3N1 b - - 2 21 ; Best move: a7a1
The current state of the chess board is: Black knight at b8, black king at d8, black knight at g8 and black rook at h8. Black rook at a7, black pawn at b7 and black queen at c7. White queen at b6, black pawn at d6, black pawn at f6, black pawn at g6 and black pawn at h6. White bishop at g5. Black bishop at b4, black pawn at c4, black pawn at d4, white bishop at e4, white pawn at g4 and white pawn at h4. White knight at c3, white pawn at f3 and white rook at h3. White pawn at c2 and white pawn at e2. White rook at a1, white king at c1 and white knight at g1. Both players have exhausted their castles. Half move number is 2. Full move number is 21. Black to move.