r1b3nr/p2pp1k1/n1p4b/1p4pq/4P1p1/PP5N/2PP1P1P/RNBQ1K1R w - - 8 13
FEN state: r1b3nr/p2pp1k1/n1p4b/1p4pq/4P1p1/PP5N/2PP1P1P/RNBQ1K1R w - - 8 13 ; Best move: c1b2
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at d7, black pawn at e7 and black king at g7. Black knight at a6, black pawn at c6 and black bishop at h6. Black pawn at b5, black pawn at g5 and black queen at h5. White pawn at e4 and black pawn at g4. White pawn at a3, white pawn at b3 and white knight at h3. White pawn at c2, white pawn at d2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 8. Full move number is 13. White to move.