rnbq1bnr/p3kppp/2ppp3/1P6/4PPP1/1PPPKQ1B/7P/RNB3NR b - - 0 13
FEN state: rnbq1bnr/p3kppp/2ppp3/1P6/4PPP1/1PPPKQ1B/7P/RNB3NR b - - 0 13 ; Best move: c6b5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black king at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at c6, black pawn at d6 and black pawn at e6. White pawn at b5. White pawn at e4, white pawn at f4 and white pawn at g4. White pawn at b3, white pawn at c3, white pawn at d3, white king at e3, white queen at f3 and white bishop at h3. White pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 13. Black to move.