rnb1k1r1/Nppq1p1p/3np1p1/3p4/pP1P1P2/4P1P1/1PPB3P/1R1QKBNR b Kq - 0 12
FEN state: rnb1k1r1/Nppq1p1p/3np1p1/3p4/pP1P1P2/4P1P1/1PPB3P/1R1QKBNR b Kq - 0 12 ; Best move: a8a7
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black rook at g8. White knight at a7, black pawn at b7, black pawn at c7, black queen at d7, black pawn at f7 and black pawn at h7. Black knight at d6, black pawn at e6 and black pawn at g6. Black pawn at d5. Black pawn at a4, white pawn at b4, white pawn at d4 and white pawn at f4. White pawn at e3 and white pawn at g3. White pawn at b2, white pawn at c2, white bishop at d2 and white pawn at h2. White rook at b1, white queen at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and black queenside castles are available. Half move number is 0. Full move number is 12. Black to move.