1n1q1br1/rQpkp3/1p1pN1pp/pb3p2/P7/2P1P1P1/RP1PB1PP/1NB1K2R b - - 7 15
FEN state: 1n1q1br1/rQpkp3/1p1pN1pp/pb3p2/P7/2P1P1P1/RP1PB1PP/1NB1K2R b - - 7 15 ; Best move: a7b7
The current state of the chess board is: Black knight at b8, black queen at d8, black bishop at f8 and black rook at g8. Black rook at a7, white queen at b7, black pawn at c7, black king at d7 and black pawn at e7. Black pawn at b6, black pawn at d6, white knight at e6, black pawn at g6 and black pawn at h6. Black pawn at a5, black bishop at b5 and black pawn at f5. White pawn at a4. White pawn at c3, white pawn at e3 and white pawn at g3. White rook at a2, white pawn at b2, white pawn at d2, white bishop at e2, white pawn at g2 and white pawn at h2. White knight at b1, white bishop at c1, white king at e1 and white rook at h1. Both players have exhausted their castles. Half move number is 7. Full move number is 15. Black to move.