1nb1kbr1/rpq4N/3pp3/4Pppp/1Pp4P/p1PRQP2/P2P1K2/RNB2B2 b - - 1 21
FEN state: 1nb1kbr1/rpq4N/3pp3/4Pppp/1Pp4P/p1PRQP2/P2P1K2/RNB2B2 b - - 1 21 ; Best move: c4d3
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at g8. Black rook at a7, black pawn at b7, black queen at c7 and white knight at h7. Black pawn at d6 and black pawn at e6. White pawn at e5, black pawn at f5, black pawn at g5 and black pawn at h5. White pawn at b4, black pawn at c4 and white pawn at h4. Black pawn at a3, white pawn at c3, white rook at d3, white queen at e3 and white pawn at f3. White pawn at a2, white pawn at d2 and white king at f2. White rook at a1, white knight at b1, white bishop at c1 and white bishop at f1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. Black to move.