rqb1kbn1/3pp3/np4pr/p1pNNp1p/7P/3PP3/PPPK1PP1/R1BQ1B1R b - - 5 13
FEN state: rqb1kbn1/3pp3/np4pr/p1pNNp1p/7P/3PP3/PPPK1PP1/R1BQ1B1R b - - 5 13 ; Best move: b8e5
The current state of the chess board is: Black rook at a8, black queen at b8, black bishop at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at d7 and black pawn at e7. Black knight at a6, black pawn at b6, black pawn at g6 and black rook at h6. Black pawn at a5, black pawn at c5, white knight at d5, white knight at e5, black pawn at f5 and black pawn at h5. White pawn at h4. White pawn at d3 and white pawn at e3. White pawn at a2, white pawn at b2, white pawn at c2, white king at d2, white pawn at f2 and white pawn at g2. 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 5. Full move number is 13. Black to move.