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A Classification of Semeai with Approach Moves

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Paper breakdownThe authors' claims, conditions and measurements, as JSON Signed receiptProof this review has not been altered
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Thomas Wolf

Combinatorics · Submitted 2 Aug 2016

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim A rigorous treatment of positions with approach moves but no ko revealed a class of positions not described in the literature before.

how it is stated · asserted 1.00 read the record →

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arXiv ID1608.02890 (version 1)
Pith ID6UTVXGZB, Pith's permanent record of this paper and its review
CitationThomas Wolf. "A Classification of Semeai with Approach Moves." arXiv:1608.02890 (2016). https://pith.science/paper/6UTVXGZB
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The compiled record

The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.

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Compiled by classifier-1.13.0 via TypeSafe API, question bank abstract-p1-20260923, 2026-09-23: 1 request, 4,200 input tokens.

What the abstract itself states, as probabilities: claims first 0.65 · states limitation 0.17 · human participants 0.02 · controlled comparison 0.10 · randomized assignment 0.01 · states quantitative result 0.04 · compares with prior results 0.92 · mentions code or data availability 0.02.

The abstract, sentence by sentence

arXiv listing abstract v1. Results and the main claim are underlined; .

The paper analyzes liberty races (semeai) in the game of Go. A rigorous treatment of positions with approach moves but no ko revealed a class of positions not described in the literature before. The complete presented classification is simpler and more compact than the one used so far. This was achieved through a classification by the types of liberties and the order they are to be filled instead of a classification by group status. A principal difference to semeai without approach moves is that in the presence of approach moves and shared liberties and the absence of eyes, two different strategies are possible because the un-orthodox filling of shared liberties instead of outer liberties may be a better strategy.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#sentencerolethe authors' own workstates the main conclusionstrength
s0 The paper analyzes liberty races (semeai) in the game of Go. background 0.73 0.86 0.04 asserted 1.00
s1 A rigorous treatment of positions with approach moves but no ko revealed a class of positions not described in the literature before. result 0.50 0.93 0.50 asserted 1.00
s2 The complete presented classification is simpler and more compact than the one used so far. result 0.81 0.82 0.24 asserted 1.00
s3 This was achieved through a classification by the types of liberties and the order they are to be filled instead of a classification by group status. method 0.98 0.89 0.18 asserted 1.00
s4 A principal difference to semeai without approach moves is that in the presence of approach moves and shared liberties and the absence of eyes, two different strategies are possible because the un-orthodox filling of shared liberties instead of outer liberties may be a better strategy. result 0.90 0.73 0.36 hedged possibility 0.78

What kind of paper the classifier reports this is: theoretical result 0.92 · evidence from proof or derivation 0.83.

What was examined, and what was not

sources read
  • arXiv listing abstract v1
not examined
  • full text
  • figures and tables
  • references and citing sentences
  • relations to other papers
levels run
  • P abstract
not run
  • S sections
  • T body sentences
  • C citations
  • R cross-paper relations

Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper
Original abstract

The paper analyzes liberty races (semeai) in the game of Go. A rigorous treatment of positions with approach moves but no ko revealed a class of positions not described in the literature before. The complete presented classification is simpler and more compact than the one used so far. This was achieved through a classification by the types of liberties and the order they are to be filled instead of a classification by group status. A principal difference to semeai without approach moves is that in the presence of approach moves and shared liberties and the absence of eyes, two different strategies are possible because the un-orthodox filling of shared liberties instead of outer liberties may be a better strategy.

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