Statements (12)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
chess endgame position
|
| gptkbp:discoveredBy |
Harold Perko
|
| gptkbp:discoveredIn |
1976
|
| https://www.w3.org/2000/01/rdf-schema#label |
Perko pair
|
| gptkbp:namedAfter |
Harold Perko
|
| gptkbp:notableFor |
being two chess problems with identical solutions but published as different problems
|
| gptkbp:relatedTo |
chess composition
chess endgame study chess problem classification |
| gptkbp:significance |
highlighted issues in chess problem cataloging
|
| gptkbp:bfsParent |
gptkb:Knot_theory
|
| gptkbp:bfsLayer |
6
|