1r1q1b1r/2pkpp2/1pn3pB/pP1p3b/P1QPn3/N1P2N1P/4PPP1/R2K1B1R w - - 2 13
FEN state: 1r1q1b1r/2pkpp2/1pn3pB/pP1p3b/P1QPn3/N1P2N1P/4PPP1/R2K1B1R w - - 2 13 ; Best move: c4d5
The current state of the chess board is: Black rook at b8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at c7, black king at d7, black pawn at e7 and black pawn at f7. Black pawn at b6, black knight at c6, black pawn at g6 and white bishop at h6. Black pawn at a5, white pawn at b5, black pawn at d5 and black bishop at h5. White pawn at a4, white queen at c4, white pawn at d4 and black knight at e4. White knight at a3, white pawn at c3, white knight at f3 and white pawn at h3. White pawn at e2, white pawn at f2 and white pawn at g2. White rook at a1, white king at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 13. White to move.