C853 Winning Streak

"I didn't expect you to be so skilled at chess."

"Besides, I've never heard of this method before. What kind of chess is this?" The middle-aged man couldn't help but ask as he recalled the undulating chessboard from before.

"It can't be considered a chess game, it's just a small trick to make a move forward." Lu Chen smiled and continued, "If it wasn't for senior not putting in the effort