rn2kbnr/Np2pppp/8/1bqp4/1PPp1P1P/P7/R2BP1PR/3QKB2 b - - 0 20
FEN state: rn2kbnr/Np2pppp/8/1bqp4/1PPp1P1P/P7/R2BP1PR/3QKB2 b - - 0 20 ; Best move: c5a7
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. White knight at a7, black pawn at b7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black bishop at b5, black queen at c5 and black pawn at d5. White pawn at b4, white pawn at c4, black pawn at d4, white pawn at f4 and white pawn at h4. White pawn at a3. White rook at a2, white bishop at d2, white pawn at e2, white pawn at g2 and white rook at h2. White queen at d1, white king at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 0. Full move number is 20. Black to move.