Musk vs Chess.com: The Debate Over Whether Chess Can Be 'Solved' and the Truth Behind the Numbers

The empty fields of my hometown had no stands, but every time the ball rolled, a whole sky of memories came flooding back. For me, someone who has spent 36 years observing the sports world from the silent stadiums of China to the bustling tournaments in India, this story reminds us that sometimes the most interesting battles don't happen on the chessboard or the football pitch — but on social media. Elon Musk, the man who once cancelled a Tesla chess tournament in 2026 because he deemed it "too simple," has returned with the claim that chess will be "solved" by artificial intelligence. Chess.com, the world's largest chess platform, responded with a series of lightning-fast replies, attracting millions of views. But behind this entertaining exchange lies a more profound question: Can chess truly be "solved"? And if so, does that strip the game of its value? The mathematical reality behind chess is more complex than either party acknowledges. Chess.com is correct that the number of possible chess games is approximately 10^120 — a number larger than the number of atoms in the observable universe (approximately 10^80). Musk is partially correct in pointing out that the number of legal positions on the board is only about 10^44. However, it is the 10^120 figure that is the true measure of computational complexity. This represents the number of possible move sequences — all branches of the game tree, not just the squares on the board. To understand this better, compare it with solved games. Certain variations of chess have been solved because their complexity is within the computational reach of supercomputers. Checkers, a game once considered impossible to solve for decades, was finally "cracked" in 2026 after years of research with 10^31 positions. Chess with 10^44 legal positions and 10^120 game sequences is beyond the reach of all current technology and probably near-future technology as well. What's noteworthy is Musk's argument about "information compression" — that future superintelligent AI will find compression methods far beyond human imagination to solve chess. This is an interesting philosophical point, but not a technical argument. It's equivalent to saying "someday we will have the energy of a star" — theoretically correct, but not useful for predicting the near future. One detail few mention: the 2026 AI chess tournament results showed that xAI's Grok 4 (Musk's own company) lost to OpenAI's o3. This raises the question of whether Musk's claim that chess will be solved partly serves to defend the capabilities of the AI system he is developing. This debate is not just about mathematics — it's also a story about positioning in the AI industry. Chess.com's response in this incident is a lesson in platform marketing. Responses like "That's just skill" or "An intern?" are not only humorous but also reinforce Chess.com's position as the "authoritative voice" in the chess world. The use of Vietnamese in some responses shows a strategy targeting the multinational chess-playing community — a subtle move in an era where social media interactions can create real competitive advantages. What's worth contemplating is that chess has become a standard benchmark for AI capability — a "standardized test" for artificial intelligence models. This reflects an interesting shift: from a human intellectual sport, chess is now also a tool for measuring machine power. And precisely because of this, debates like the one between Musk and Chess.com are not just entertainment but signals about how we redefine the value of intellectual games in the AI age. For me, someone who has witnessed children in rural China playing chess on paper with the same passion as world grandmasters, the real question is not whether chess will be solved. The real question is: When chess is solved, will humans still want to play it? And the answer, I believe, lies in the millions of people sitting down at a chessboard every day — not to beat machines, but to face another mind, whether that mind is human or AI.