rn4r1/pb1p1ppp/1qpk4/1p2p3/1P1P4/2P1KNPP/P3PP2/R1BQ1B1R b - - 0 12
FEN state: rn4r1/pb1p1ppp/1qpk4/1p2p3/1P1P4/2P1KNPP/P3PP2/R1BQ1B1R b - - 0 12 ; Best move: a7a5
The current state of the chess board is: Black rook at a8, black knight at b8 and black rook at g8. Black pawn at a7, black bishop at b7, black pawn at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black queen at b6, black pawn at c6 and black king at d6. Black pawn at b5 and black pawn at e5. White pawn at b4 and white pawn at d4. White pawn at c3, white king at e3, white knight at f3, white pawn at g3 and white pawn at h3. White pawn at a2, white pawn at e2 and white pawn at f2. White rook at a1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 12. Black to move.