1nb1kb2/r1pqpp1r/1p4pp/p1P5/P3n3/3PPN2/1P2KPP1/RNB2B1R b - - 0 12
FEN state: 1nb1kb2/r1pqpp1r/1p4pp/p1P5/P3n3/3PPN2/1P2KPP1/RNB2B1R b - - 0 12 ; Best move: e4c5
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8 and black bishop at f8. Black rook at a7, black pawn at c7, black queen at d7, black pawn at e7, black pawn at f7 and black rook at h7. Black pawn at b6, black pawn at g6 and black pawn at h6. Black pawn at a5 and white pawn at c5. White pawn at a4 and black knight at e4. White pawn at d3, white pawn at e3 and white knight at f3. White pawn at b2, white king at e2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, 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.