r1bqkbnr/1pp1n3/p2p4/5p2/P1B2p1P/8/NPPP2P1/RNBQ1KR1 b - - 9 21
FEN state: r1bqkbnr/1pp1n3/p2p4/5p2/P1B2p1P/8/NPPP2P1/RNBQ1KR1 b - - 9 21 ; Best move: d6d5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7 and black knight at e7. Black pawn at a6 and black pawn at d6. Black pawn at f5. White pawn at a4, white bishop at c4, black pawn at f4 and white pawn at h4. White knight at a2, white pawn at b2, white pawn at c2, white pawn at d2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 9. Full move number is 21. Black to move.