Property talk:P4994

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ruchess ID
identifier for a Russian chess player, at ruchess.ru

Associated item	Russian Chess Federation (Q1627014)
Applicable "stated in" value	Russian Chess Federation (Q1627014)
Data type	External identifier
Corresponding template	Template:RCF (Q50758146)
Domain	human (Q5)
Allowed values	[1-9]\d{0,5}
Example	Vladimir Kramnik (Q161092) → 15723 Denis Pershin (Q65465172) → 188 Boris Furman (Q71294830) → 36
Formatter URL	https://ratings.ruchess.ru/people/$1
Tracking: usage	Category:Pages using Wikidata property P4994 (Q52622883)
Related to country	Russia (Q159) (See 343 others)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other external identifier Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Map of people by place values: place of birth educated at work location residence place of death place of burial January 1st dates People with date of birth on January 1 People with date of death on January 1 People with both dates on January 1 Database reports/Constraint violations/P4994 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 1,950 Main statement 1,946 99.8% of uses Qualifier 3 0.2% of uses Reference 1 <0.1% of uses
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[create Create a translatable help page (preferably in English) for this property to be included here]

Type “human (Q5)”: item must contain property “instance of (P31)” with classes “human (Q5)” or their subclasses (defined using subclass of (P279)). (Help)

List of violations of this constraint: Database reports/Constraint violations/P4994#Type Q5, hourly updated report, SPARQL

Single value: this property generally contains a single value. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4994#Single value, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4994#Unique value, SPARQL (every item), SPARQL (by value)

Format “[1-9]\d{0,5}”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P4994#Format, hourly updated report, SPARQL

Item “occupation (P106): chess player (Q10873124)”: Items with this property should also have “occupation (P106): chess player (Q10873124)”. (Help)

List of violations of this constraint: Database reports/Constraint violations/P4994#Item P106, hourly updated report, search, SPARQL

Item “date of birth (P569)”: Items with this property should also have “date of birth (P569)”. (Help)

List of violations of this constraint: Database reports/Constraint violations/P4994#Item P569, hourly updated report, SPARQL

Item “sex or gender (P21)”: Items with this property should also have “sex or gender (P21)”. (Help)

List of violations of this constraint: Database reports/Constraint violations/P4994#Item P21, hourly updated report, search, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4994#Entity types

Scope is as main value (Q54828448), as reference (Q54828450): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4994#Scope, SPARQL

Item “sport (P641): chess (Q718)”: Items with this property should also have “sport (P641): chess (Q718)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P4994#Item P641, search, SPARQL

This property is being used by: ru:Шаблон:РШФ, ru:Шаблон:Шахматист, ru:Шаблон:Шахматные ссылки, ru:Шаблон:ФШР uz:Andoza:Shaxmat havolasi Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)