rnb2bnr/4qk2/2ppp3/p4p1P/1P1P1p1P/p1N5/1BP1PKBN/R1Q4R b - - 0 21
FEN state: rnb2bnr/4qk2/2ppp3/p4p1P/1P1P1p1P/p1N5/1BP1PKBN/R1Q4R b - - 0 21 ; Best move: a3b2
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black bishop at f8, black knight at g8 and black rook at h8. Black queen at e7 and black king at f7. Black pawn at c6, black pawn at d6 and black pawn at e6. Black pawn at a5, black pawn at f5 and white pawn at h5. White pawn at b4, white pawn at d4, black pawn at f4 and white pawn at h4. Black pawn at a3 and white knight at c3. White bishop at b2, white pawn at c2, white pawn at e2, white king at f2, white bishop at g2 and white knight at h2. White rook at a1, white queen at c1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.