Opening theory after AI

Yuan Zhou’s 2018 book on the subject, which I haven’t read:
https://www.amazon.com/Rethinking-Opening-Strategy-AlphaGos-Impact/dp/1981642005
A dan player’s YouTube series on learning from AlphaGo:

My own guide to the opening:

From the horse’s mouth:

All of these resources are slightly dated, because of subsequent advances and new preferences by AI such as LeelaZero, Minigo, ELF OpenGo, and Golaxy, to name a few. The basics of the newest bleeding-edge theory aren’t that difficult to put into words. You could probably make an opening hierarchy as follows:

  • Step 1: Take corners with 4-4 or 3-4 or 3-3. Black can invade a 4-4 point on move 3 if desired, since the remaining two corners are miai.
  • Step 2: Enclose, approach, or invade the corners. A local sequence may create a temporarily urgent situation, and a joseki may be played, but try very hard to choose sequences that give you sente so you can play more big points than your opponent. Slight local losses are an acceptable trade for sente.
  • Step 3: Pressure weak stones and strengthen your weak areas. Former step three used to be to extend to the sides, but AI doesn’t like taking points in this way without a second reason affecting the stability of stones.

After this, you’re in the middle game. Voila! You played like AI. Keep in mind the psychological advantage that can come from breaking the formula and playing unorthodox moves can be more valuable than just mimicking AI.

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