r1bqr3/ppppnkpp/2n1pp2/1P6/1b2BPP1/3PP3/P1P1K2P/RNB2QNR b - - 0 12
FEN state: r1bqr3/ppppnkpp/2n1pp2/1P6/1b2BPP1/3PP3/P1P1K2P/RNB2QNR b - - 0 12 ; Best move: d7d5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black rook at e8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at d7, black knight at e7, black king at f7, black pawn at g7 and black pawn at h7. Black knight at c6, black pawn at e6 and black pawn at f6. White pawn at b5. Black bishop at b4, white bishop at e4, white pawn at f4 and white pawn at g4. White pawn at d3 and white pawn at e3. White pawn at a2, white pawn at c2, white king at e2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 12. Black to move.