{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:5JWKYL5P7FCDZ2HYSEU2XSTO2T","short_pith_number":"pith:5JWKYL5P","schema_version":"1.0","canonical_sha256":"ea6cac2faff9443ce8f89129abca6ed4e251d5606c8455698908914b116b7e06","source":{"kind":"arxiv","id":"1212.2787","version":1},"attestation_state":"computed","paper":{"title":"Move-by-move dynamics of the advantage in chess matches reveals population-level learning of the game","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph","physics.soc-ph"],"primary_cat":"physics.data-an","authors_text":"E. K. Lenzi, H. V. Ribeiro, L. A. N. Amaral, M. del Castillo-Mussot, R. S. Mendes","submitted_at":"2012-12-12T12:02:31Z","abstract_excerpt":"The complexity of chess matches has attracted broad interest since its invention. This complexity and the availability of large number of recorded matches make chess an ideal model systems for the study of population-level learning of a complex system. We systematically investigate the move-by-move dynamics of the white player's advantage from over seventy thousand high level chess matches spanning over 150 years. We find that the average advantage of the white player is positive and that it has been increasing over time. Currently, the average advantage of the white player is ~0.17 pawns but "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1212.2787","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.data-an","submitted_at":"2012-12-12T12:02:31Z","cross_cats_sorted":["physics.comp-ph","physics.soc-ph"],"title_canon_sha256":"39077512b6a039a3ba7482b0ce9021b5e0f126e8a757902d354918cc1ed450b4","abstract_canon_sha256":"d5a760250e7399fe463aa214f4fb4347bc05023a4d1f51801609f6392ceaf47e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:33:25.304570Z","signature_b64":"puJYl0XHdGn1CAeQ/ZV9DtvYjkz4nQPfiErHmHN/XHGlMcowfVA5Ci7Gx9hp9vtpoMA/v1PU4h8FNjbUL3coCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ea6cac2faff9443ce8f89129abca6ed4e251d5606c8455698908914b116b7e06","last_reissued_at":"2026-05-18T03:33:25.304122Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:33:25.304122Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Move-by-move dynamics of the advantage in chess matches reveals population-level learning of the game","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph","physics.soc-ph"],"primary_cat":"physics.data-an","authors_text":"E. K. Lenzi, H. V. Ribeiro, L. A. N. Amaral, M. del Castillo-Mussot, R. S. Mendes","submitted_at":"2012-12-12T12:02:31Z","abstract_excerpt":"The complexity of chess matches has attracted broad interest since its invention. This complexity and the availability of large number of recorded matches make chess an ideal model systems for the study of population-level learning of a complex system. We systematically investigate the move-by-move dynamics of the white player's advantage from over seventy thousand high level chess matches spanning over 150 years. We find that the average advantage of the white player is positive and that it has been increasing over time. Currently, the average advantage of the white player is ~0.17 pawns but "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.2787","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1212.2787","created_at":"2026-05-18T03:33:25.304181+00:00"},{"alias_kind":"arxiv_version","alias_value":"1212.2787v1","created_at":"2026-05-18T03:33:25.304181+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.2787","created_at":"2026-05-18T03:33:25.304181+00:00"},{"alias_kind":"pith_short_12","alias_value":"5JWKYL5P7FCD","created_at":"2026-05-18T12:26:53.410803+00:00"},{"alias_kind":"pith_short_16","alias_value":"5JWKYL5P7FCDZ2HY","created_at":"2026-05-18T12:26:53.410803+00:00"},{"alias_kind":"pith_short_8","alias_value":"5JWKYL5P","created_at":"2026-05-18T12:26:53.410803+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/5JWKYL5P7FCDZ2HYSEU2XSTO2T","json":"https://pith.science/pith/5JWKYL5P7FCDZ2HYSEU2XSTO2T.json","graph_json":"https://pith.science/api/pith-number/5JWKYL5P7FCDZ2HYSEU2XSTO2T/graph.json","events_json":"https://pith.science/api/pith-number/5JWKYL5P7FCDZ2HYSEU2XSTO2T/events.json","paper":"https://pith.science/paper/5JWKYL5P"},"agent_actions":{"view_html":"https://pith.science/pith/5JWKYL5P7FCDZ2HYSEU2XSTO2T","download_json":"https://pith.science/pith/5JWKYL5P7FCDZ2HYSEU2XSTO2T.json","view_paper":"https://pith.science/paper/5JWKYL5P","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1212.2787&json=true","fetch_graph":"https://pith.science/api/pith-number/5JWKYL5P7FCDZ2HYSEU2XSTO2T/graph.json","fetch_events":"https://pith.science/api/pith-number/5JWKYL5P7FCDZ2HYSEU2XSTO2T/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5JWKYL5P7FCDZ2HYSEU2XSTO2T/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5JWKYL5P7FCDZ2HYSEU2XSTO2T/action/storage_attestation","attest_author":"https://pith.science/pith/5JWKYL5P7FCDZ2HYSEU2XSTO2T/action/author_attestation","sign_citation":"https://pith.science/pith/5JWKYL5P7FCDZ2HYSEU2XSTO2T/action/citation_signature","submit_replication":"https://pith.science/pith/5JWKYL5P7FCDZ2HYSEU2XSTO2T/action/replication_record"}},"created_at":"2026-05-18T03:33:25.304181+00:00","updated_at":"2026-05-18T03:33:25.304181+00:00"}