In a pivotal moment a decade ago, AlphaGo, an artificial intelligence system developed by Google DeepMind, faced off against Lee Sedol, the world’s best player of the ancient Chinese board game Go. The match was a revelation, as AlphaGo showcased an almost human-like intuition and skill that left both Lee and the audience in awe. The AI ultimately emerged victorious, winning the series 4-1 and leaving Lee in a state of shock.
Fast forward to today, and the legacy of AlphaGo still resonates in the world of artificial intelligence. The technology that powered AlphaGo, namely neural networks, continues to drive advancements in AI. Neural networks, inspired by the human brain, allow machines to learn from data and make decisions independently. This breakthrough was crucial in tackling the complexity of Go, a game with more possible positions than there are atoms in the observable universe.
The success of AlphaGo paved the way for AI applications in various fields. Projects like AlphaFold, which predicts protein structures with remarkable accuracy, and AlphaProof, which excelled in mathematical challenges, showcase the versatility and power of neural network-based AI systems. These advancements highlight the potential of AI to surpass human capabilities in critical scientific domains.
The underlying logic behind AI systems like AlphaGo and large language models (LLMs) such as ChatGPT is similar. Through a process of pretraining and post-training, neural networks are fed vast amounts of data and fine-tuned through reinforcement learning to achieve superior performance. While these AI systems have demonstrated remarkable success, they also pose challenges due to their black box nature. Understanding the inner workings of neural networks remains a complex and ongoing endeavor for researchers.
Despite the challenges, AI continues to make strides in fields where data abundance and clear success criteria are present. Mathematics and programming are prime examples where AI excels due to the well-defined nature of the problems. The lessons learned from AlphaGo and similar AI projects underscore the importance of data and clear objectives in driving progress in artificial intelligence.
As we reflect on the legacy of AlphaGo, it is evident that the technology has indeed lived up to its potential. The impact of AlphaGo extends far beyond the game of Go, shaping the landscape of AI research and applications. With continued advancements and innovations, the future of AI holds immense promise in revolutionizing various industries and scientific disciplines.

