Ticket #101 (closed enhancement: fixed)

Opened 3 years ago

Last modified 3 years ago

Life and death problem

Reported by: sanxiyn Owned by: gunnar
Priority: normal Milestone: 3.7.9
Component: regressions Version:
Severity: normal Keywords:
Cc: patch: yes

Description

This was simplified from a real game. White can live with F1, but GNU Go doesn't see that.

Attachments

ld_02.sgf (164 bytes) - added by sanxiyn 3 years ago.
gunnar_7_9.13.diff (1.3 kB) - added by gunnar 3 years ago.
testcase
gunnar_7_9.13b.diff (3.1 kB) - added by gunnar 3 years ago.
Revised patch with more testcases.

Regression Results

Attachment Rev. PASS FAIL Nodes Status
gunnar_7_9.13.diff never tested
gunnar_7_9.13b.diff never tested

Change History

Changed 3 years ago by sanxiyn

Changed 3 years ago by gunnar

testcase

Changed 3 years ago by gunnar

  • status changed from new to assigned
  • component changed from source to regressions
  • patch set
  • milestone changed from 3.8 to 3.7.9
  • owner changed from gnugo to gunnar
  • type changed from defect to enhancement

This is a good problem that is almost but not quite tractable for GNU Go yet (except with overly specific patterns). The key missing point is marking eyespace ko threats in source:patterns/eyes.db.

The attached patch gunnar_7_9.13 adds a different testcase with the same idea but less semeai flavor,









Changed 3 years ago by gunnar

Revised patch with more testcases.

Changed 3 years ago by gunnar

The revised patch gunnar_7_9.13b also adds a slightly modified version of the original test as a semeai testcase plus one more unrelated owl/semeai position.

Changed 3 years ago by gunnar

  • status changed from assigned to closed
  • resolution set to fixed

Changed 3 years ago by nando

I think the 

loadsgf games/semeai/semeai16.sgf 222

lines were actually meant to be 

loadsgf games/semeai/semeai21.sgf

Correct ?

Changed 3 years ago by gunnar

That's indeed a cut and paste error, fixed now. Thanks.

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