1r1q1rk1/pppbnpb1/4p2p/n2p2B1/1P1P2P1/PQP1P3/4KPBP/RN4NR b - - 2 13
FEN state: 1r1q1rk1/pppbnpb1/4p2p/n2p2B1/1P1P2P1/PQP1P3/4KPBP/RN4NR b - - 2 13 ; Best move: a5b3
The current state of the chess board is: Black rook at b8, black queen at d8, black rook at f8 and black king at g8. Black pawn at a7, black pawn at b7, black pawn at c7, black bishop at d7, black knight at e7, black pawn at f7 and black bishop at g7. Black pawn at e6 and black pawn at h6. Black knight at a5, black pawn at d5 and white bishop at g5. White pawn at b4, white pawn at d4 and white pawn at g4. White pawn at a3, white queen at b3, white pawn at c3 and white pawn at e3. White king at e2, white pawn at f2, white bishop at g2 and white pawn at h2. White rook at a1, white knight at b1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 13. Black to move.