rn2k1nr/pppb1pp1/8/2P1p2p/1P2P1P1/b1N5/P2K1P1P/RNB2B1R b - - 0 12
FEN state: rn2k1nr/pppb1pp1/8/2P1p2p/1P2P1P1/b1N5/P2K1P1P/RNB2B1R b - - 0 12 ; Best move: a3b4
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black bishop at d7, black pawn at f7 and black pawn at g7. White pawn at c5, black pawn at e5 and black pawn at h5. White pawn at b4, white pawn at e4 and white pawn at g4. Black bishop at a3 and white knight at c3. White pawn at a2, white king at d2, white pawn at f2 and white pawn at h2. 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.