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by bobmcnamara
383 days ago
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I suspect you are talking a few decades after the time I am talking about. Many of the earliest chess programs used lossy pruning(type b Shannon engines), under the assumption that the static evaluation at some node could just be bad enough to say don't look down this branch anymore. But they were not provably correct like with alpha beta. Shannon's paper explains a lot more about this. In the late 1940s some of these programs were being run on pen and paper. For what it's worth stockfish didn't invent efficiently updatable neural networks, Yu Nasu did. Hisayori Noda ported it to Western chess and Stockfish. NNUE is really neat. |
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