.. index:: single: trueskill_ranker .. _trueskill_ranker/0:

.. rst-class:: right

object

trueskill_ranker

TrueSkill ranker for ordered multiplayer matches with ranked teams, draws, and weighted player participation.

| Availability: | logtalk_load(trueskill_ranker(loader))

| Author: Paulo Moura | Version: 1:0:0 | Date: 2026-08-11

| Compilation flags: | static, context_switching_calls

| Imports: | public :ref:`ranking_dataset_common <ranking_dataset_common/0>` | public :ref:`score_ranker_model_common <score_ranker_model_common/0>` | Uses: | :ref:`avltree <avltree/0>` | :ref:`list <list/0>` | :ref:`univariate_distributions(Random) <univariate_distributions/1>`

| Remarks: | (none)

| Inherited public predicates: | Â :ref:`options_protocol/0::check_option/1` Â :ref:`options_protocol/0::check_options/1` Â :ref:`ranker_protocol/0::check_ranker/1` Â :ref:`options_protocol/0::default_option/1` Â :ref:`options_protocol/0::default_options/1` Â :ref:`ranker_protocol/0::diagnostic/2` Â :ref:`ranker_protocol/0::diagnostics/2` Â :ref:`ranker_protocol/0::export_to_clauses/4` Â :ref:`ranker_protocol/0::export_to_file/4` Â :ref:`ranking_dataset_common/0::grouped_dataset_groups/2` Â :ref:`ranking_dataset_common/0::grouped_dataset_items/2` Â :ref:`ranking_dataset_common/0::grouped_dataset_items/3` Â :ref:`ranking_dataset_common/0::grouped_dataset_summary/2` Â :ref:`ranker_protocol/0::learn/2` Â :ref:`ranker_protocol/0::learn/3` Â :ref:`ranking_dataset_common/0::multiplayer_dataset_connected_components/2` Â :ref:`ranking_dataset_common/0::multiplayer_dataset_declared_items/2` Â :ref:`ranking_dataset_common/0::multiplayer_dataset_declared_matches/2` Â :ref:`ranking_dataset_common/0::multiplayer_dataset_events/2` Â :ref:`ranking_dataset_common/0::multiplayer_dataset_items/2` Â :ref:`ranking_dataset_common/0::multiplayer_dataset_match_teams/3` Â :ref:`ranking_dataset_common/0::multiplayer_dataset_matches/2` Â :ref:`ranking_dataset_common/0::multiplayer_dataset_summary/2` Â :ref:`options_protocol/0::option/2` Â :ref:`options_protocol/0::option/3` Â :ref:`ranking_dataset_common/0::pairwise_dataset_connected_components/2` Â :ref:`ranking_dataset_common/0::pairwise_dataset_declared_items/2` Â :ref:`ranking_dataset_common/0::pairwise_dataset_items/2` Â :ref:`ranking_dataset_common/0::pairwise_dataset_matchups/2` Â :ref:`ranking_dataset_common/0::pairwise_dataset_preferences/2` Â :ref:`ranking_dataset_common/0::pairwise_dataset_summary/2` Â :ref:`ranking_dataset_common/0::pairwise_dataset_win_totals/2` Â :ref:`ranking_dataset_common/0::pairwise_measurement_dataset_connected_components/2` Â :ref:`ranking_dataset_common/0::pairwise_measurement_dataset_declared_items/2` Â :ref:`ranking_dataset_common/0::pairwise_measurement_dataset_items/2` Â :ref:`ranking_dataset_common/0::pairwise_measurement_dataset_measurements/2` Â :ref:`ranking_dataset_common/0::pairwise_measurement_dataset_summary/2` Â :ref:`ranker_protocol/0::print_ranker/1` Â :ref:`ranker_protocol/0::rank/3` Â :ref:`ranker_protocol/0::ranker_options/2` Â :ref:`ranker_protocol/0::scores/2` Â :ref:`ranking_dataset_common/0::temporal_pairwise_dataset_connected_components/2` Â :ref:`ranking_dataset_common/0::temporal_pairwise_dataset_declared_items/2` Â :ref:`ranking_dataset_common/0::temporal_pairwise_dataset_games/2` Â :ref:`ranking_dataset_common/0::temporal_pairwise_dataset_games/3` Â :ref:`ranking_dataset_common/0::temporal_pairwise_dataset_items/2` Â :ref:`ranking_dataset_common/0::temporal_pairwise_dataset_periods/2` Â :ref:`ranking_dataset_common/0::temporal_pairwise_dataset_summary/2` Â :ref:`options_protocol/0::valid_option/1` Â :ref:`options_protocol/0::valid_options/1` Â :ref:`ranker_protocol/0::valid_ranker/1` Â :ref:`ranking_dataset_common/0::validate_grouped_dataset/1` Â :ref:`ranking_dataset_common/0::validate_grouped_dataset/2` Â :ref:`ranking_dataset_common/0::validate_multiplayer_dataset/1` Â :ref:`ranking_dataset_common/0::validate_multiplayer_dataset/2` Â :ref:`ranking_dataset_common/0::validate_pairwise_dataset/1` Â :ref:`ranking_dataset_common/0::validate_pairwise_dataset/2` Â :ref:`ranking_dataset_common/0::validate_pairwise_measurement_dataset/1` Â :ref:`ranking_dataset_common/0::validate_pairwise_measurement_dataset/2` Â :ref:`ranking_dataset_common/0::validate_temporal_pairwise_dataset/1` Â :ref:`ranking_dataset_common/0::validate_temporal_pairwise_dataset/2` Â

.. contents:: :local: :backlinks: top

Public predicates

(no local declarations; see entity ancestors if any)

Protected predicates

(no local declarations; see entity ancestors if any)

Private predicates

(no local declarations; see entity ancestors if any)

Operators

(none)

.. seealso::

:ref:`multiplayer_ranking_dataset_protocol <multiplayer_ranking_dataset_protocol/0>`, :ref:`ranker_protocol <ranker_protocol/0>`, :ref:`glicko2_periodic_ranker <glicko2_periodic_ranker/0>`