r3k1nr/pp5p/1np2qbb/3ppp2/PPP1P3/7N/3P1PPP/RNBQKB1R w Qkq - 3 13
FEN state: r3k1nr/pp5p/1np2qbb/3ppp2/PPP1P3/7N/3P1PPP/RNBQKB1R w Qkq - 3 13 ; Best move: c4d5
The current state of the chess board is: Black rook at a8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7 and black pawn at h7. Black knight at b6, black pawn at c6, black queen at f6, black bishop at g6 and black bishop at h6. Black pawn at d5, black pawn at e5 and black pawn at f5. White pawn at a4, white pawn at b4, white pawn at c4 and white pawn at e4. White knight at h3. White pawn at d2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White queenside, black kingside and black queenside castles are available. Half move number is 3. Full move number is 13. White to move.