r1939	Euler line, circumcircle, point X(125)
r1940	circumcircle, point X(125)
r1949	incenter, homothetic triangles
r1950	Spieker point
r1951
r1954	ninecenter, altitude feet, orthologic triangles, Euler line, circumcenter, centroid
r1963	circumcenter, isogonal points, medial triangle, pedal triangle, pedal circle, Tixier point
r1966	altitude feet, orthologic triangles
r1971	circumcenter, isogonal points, tripolar, point X(186), point X(275)
r1972	altitude feet
r1978	circumcenter, isogonal points, altitude feet, point X(389)
r1990	circumcenter, antigonal points, circumcircle, point X(110), point X(265)
r1995	isogonal points
r1996	Euler line, ninecircle
r1997	isogonal points
r2005	circumcenter, ninecenter, Euler line, cevian quotient, radical center
r2009	circumcenter, ninecenter, Euler line, excenters, ninecircle
r2012	circumcenter, isogonal points, isotomic points
r2013	isogonal points
r2014	incenter, orthologic triangles, point X(84)
r2015	Euler line
r2016	Euler line, complement, altitude feet, point X(74)
r2017	centroid, altitude feet
r2025	circumcircle, MacBeath conic
r2037	incentric triangle, orthologic triangles

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