Deep Blue brute forced that search space. With 1997 hardware. They didn't have to look at 10^120 to beat Kasprov. "The system could search to a depth of betwee

Deep Blue brute forced that search space. With 1997 hardware. They didn't have to look at 10^120 to beat Kasprov. "The system could search to a depth of between six and eight pairs of moves—one white, one black—to a maximum of 20 or even more pairs in some situations" - https://www.scientificamerican.com/article/20-years-after-deep-blue-how-ai-has-advanced-since-conquering-chess/ https://www.scientificamerican.com/article/20-years-after-de...