2bq1b1r/2pppk1p/1pn4n/5p2/6p1/r1PB1NP1/PPNPPP1P/R1BQK2R b - - 6 15
FEN state: 2bq1b1r/2pppk1p/1pn4n/5p2/6p1/r1PB1NP1/PPNPPP1P/R1BQK2R b - - 6 15 ; Best move: a3a5
The current state of the chess board is: Black bishop at c8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at c7, black pawn at d7, black pawn at e7, black king at f7 and black pawn at h7. Black pawn at b6, black knight at c6 and black knight at h6. Black pawn at f5. Black pawn at g4. Black rook at a3, white pawn at c3, white bishop at d3, white knight at f3 and white pawn at g3. White pawn at a2, white pawn at b2, white knight at c2, white pawn at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white king at e1 and white rook at h1. Both players have exhausted their castles. Half move number is 6. Full move number is 15. Black to move.