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Executive functions (EF) are frequently impaired and health-related quality of life (HRQoL) is reduced. Chess has been proposed as a low-cost cognitive remediation training (CRT). This pilot study examined whether a chess-based CRT could enhance EF and HRQoL in adolescents with mental disorders.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A quasi-experimental study was conducted at a child and adolescent psychiatry department. Participants aged 13\u201317 years were assigned to either a six-week chess intervention (experimental group, EG) or treatment as usual (control group, CG). Both groups received standard multidisciplinary therapy, while the EG additionally participated in weekly 90-min chess sessions based on The King\u2019s Plan for Kids. Cognitive flexibility (DCCS), inhibitory control (Stop-Signal Task), sustained attention (d2-R), and working memory (n-back task) were assessed alongside HRQoL (KIDSCREEN-27). Data were analyzed using t-tests.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Thirty-three adolescents were included (19 EG, 14 CG; 82% female). The EG showed significantly faster reaction times in the working memory task (\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = .016, d = 0.79) and greater Psychological well-being CG (\n                      <jats:italic toggle=\"yes\">p<\/jats:italic>\n                      = .035, d = 0.67). No significant group differences were found for other EF measures.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Chess-based CRT was associated with improved working memory efficiency and psychological well-being, supporting its potential as a feasible, engaging, and low-risk adjunct to standard therapy. Larger randomized trials are needed to confirm these preliminary results.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/13591045261453970","type":"journal-article","created":{"date-parts":[[2026,6,15]],"date-time":"2026-06-15T15:26:57Z","timestamp":1781537217000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Move by Move Towards Mental Health: A Quasi-Randomized Pilot Study on Chess as a Therapeutic Approach in Adolescents With Mental Disorders"],"prefix":"10.1177","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9570-7874","authenticated-orcid":false,"given":"Sarah","family":"Gerhardt","sequence":"first","affiliation":[{"name":"University of Heidelberg"},{"name":"Deutsche Zentrum f\u00fcr Psychische Gesundheit (German Center for Mental Health), Partner Site Mannheim-Heidelberg-Ulm, Mannheim\/Heidelberg\/Ulm, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stefanie","family":"Hoier","sequence":"additional","affiliation":[{"name":"University of Heidelberg"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexandra","family":"Seeger","sequence":"additional","affiliation":[{"name":"University of Heidelberg"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roland","family":"Schmidt","sequence":"additional","affiliation":[{"name":"University of Heidelberg"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Larissa","family":"Weber","sequence":"additional","affiliation":[{"name":"University of Heidelberg"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Konstantin","family":"Mechler","sequence":"additional","affiliation":[{"name":"University of Heidelberg"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tobias","family":"Banaschewski","sequence":"additional","affiliation":[{"name":"Deutsche Zentrum f\u00fcr Psychische Gesundheit (German Center for Mental Health), Partner Site Mannheim-Heidelberg-Ulm, Mannheim\/Heidelberg\/Ulm, Germany"},{"name":"University of Heidelberg"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexander","family":"H\u00e4ge","sequence":"additional","affiliation":[{"name":"University of Heidelberg"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6210-672X","authenticated-orcid":false,"given":"Sabine","family":"Vollst\u00e4dt-Klein","sequence":"additional","affiliation":[{"name":"University of Heidelberg"},{"name":"Deutsche Zentrum f\u00fcr Psychische Gesundheit (German Center for Mental Health), Partner Site Mannheim-Heidelberg-Ulm, Mannheim\/Heidelberg\/Ulm, Germany"},{"name":"Heidelberg University"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2026,6,15]]},"reference":[{"key":"e_1_3_8_2_1","doi-asserted-by":"publisher","DOI":"10.5209\/rev_SJOP.2012.v15.n2.38866"},{"key":"e_1_3_8_3_1","doi-asserted-by":"publisher","DOI":"10.22543\/2392-7674.1405"},{"key":"e_1_3_8_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00787-018-1159-3"},{"key":"e_1_3_8_5_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10578-019-00914-4"},{"key":"e_1_3_8_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1551-6709.2009.01030.x"},{"key":"e_1_3_8_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10648-022-09670-9"},{"key":"e_1_3_8_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.rpsm.2015.02.003"},{"key":"e_1_3_8_9_1","doi-asserted-by":"publisher","DOI":"10.2147\/nedt.2006.2.4.531"},{"key":"e_1_3_8_10_1","volume-title":"D2-R: Test D2-Revision: Aufmerksamkeits-Und Konzentrationstest","author":"Brickenkamp R.","year":"2010","unstructured":"Brickenkamp R., Schmidt-Atzert L., Liepmann D. 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