r2q1bnr/1b1p1kpp/B1nppp2/1p6/p1P3PP/NP2P3/P2P1P1K/R1BQ3R b - - 2 15
FEN state: r2q1bnr/1b1p1kpp/B1nppp2/1p6/p1P3PP/NP2P3/P2P1P1K/R1BQ3R b - - 2 15 ; Best move: b7a6
The current state of the chess board is: Black rook at a8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black bishop at b7, black pawn at d7, black king at f7, black pawn at g7 and black pawn at h7. White bishop at a6, black knight at c6, black pawn at d6, black pawn at e6 and black pawn at f6. Black pawn at b5. Black pawn at a4, white pawn at c4, white pawn at g4 and white pawn at h4. White knight at a3, white pawn at b3 and white pawn at e3. White pawn at a2, white pawn at d2, white pawn at f2 and white king at h2. White rook at a1, white bishop at c1, white queen at d1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 15. Black to move.