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Late Yose Problems
    Keywords: EndGame, Problem

Usually professional games records do not include the last 10 to 30 moves. In most cases these dame filling and consolidating moves are completely obvious.

But about 10% of close games include nice tesujis (or reinforcements to prevent them). Also finding the correct order of moves that gives an optimum result is quite a challenging problem for beginners like me.

I started to look for finished professional games to test automatic go scoring algorithms. Since game records end before the dame are filled, I had to finish them myself by adding the last moves. Only these last "obvious" moves are not always easy to find. Here I will put some example of games that require a special attention.

Sometimes I have been unable to understand how the recorded score was obtained. There are at least three possible explanations:

  • I missed a tesuji or needed reinforcement - some records are very puzzling, see below,
  • one of the player did not play the perfect moves because a less risky move won the game anyway - I have heard that this happens sometimes, but is very unlikely because professionals can easily play the perfect last endgame moves,
  • there is a mistake in the game record.

Here are some examples of puzzling scores, that are still a mystery for me (I am sure someone will be able to explain these):

--jvt



This is a copy of the living page "Late Yose Problems" at Sensei's Library.
(OC) 2004 the Authors, published under the OpenContent License V1.0.