Martin Kreuzer

{{Short description|German chess player and mathematician}}

{{Use dmy dates|date=December 2021}}

{{Infobox chess player

| name = Martin Kreuzer

| image = Martin Kreuzer (2010, Bad Nenndorf).jpg

| caption = Kreuzer in 2010

| country = Germany

| birth_date = {{Birth-date and age|15 July 1962}}

| birth_place = Ihrlerstein, Germany

| title = {{ubl|class=nowrap

| ICCF Grandmaster (1993)

| FIDE Master

}}

| rating = [https://ratings.fide.com/profile/4604466/chart 2265] (October 2021)

| peakrating = 2344 (February 2014)

| ICCF_rating = [https://www.iccf.com/player?id=81026&tab=3 2606] (October 2019)

| ICCF_peakrating = 2660 (July 1992)

}}

Martin Kreuzer (born 15 July 1962 in Ihrlerstein) is a German mathematics professor and chess player who holds the chess titles of International Correspondence Chess Grandmaster and FIDE Master.

Kreuzer did his graduate studies in mathematics at the University of Regensburg, located on the Danube River in Bavaria. After spending one year in the United States as a foreign exchange student at Brandeis University in Boston, he finished his diploma in Mathematics in Regensburg in 1986. He received his doctorate of natural sciences with dissertation {{em|Vektorbündel und der Satz von Cayley-Bacharach}} from University of Regensburg in 1989, working under advisor Ernst Kunz.{{MathGenealogy|id=25987}} Next came a post-doctoral fellowship at Queen's University in Kingston, Ontario, Canada, from 1989 to 1991, working in algebraic geometry with Professor Anthony Geramita. He then returned to Germany, worked as a scientific assistant at the University of Regensburg and gained his habilitation in Mathematics in 1997. After substituting for the chair of algebraic geometry at the University of Bayreuth in 2000–2001 and for the chair of algebra at Technical University of Dortmund from 2002 to 2007, he moved to Passau where he holds the chair of symbolic computation at the University of Passau. His main research interests are computer algebra, cryptography, computational commutative algebra, algebraic geometry, and their industrial applications.

Kreuzer's chess skills have earned him the FIDE Master title for over-the-board play. During his short stay in Canada, he finished fourth at the 1990 Open Canadian Chess Championship at Edmundston. Further notable over-the-board results include the prize for the best player without Elo number in the Elo rating system at the 1987 Open "Chess for Peace" in London and a fourth place at the first Novotel Open in Genova, Italy in 1997.

He gained the title of International Correspondence Chess Grandmaster{{Cite web |url=http://www.bdf-fernschachbund.de/offizielles/titeltraeger/titelint/fsgm.htm |title=Deutsche Fernschach-Großmeister |trans-title=German correspondence chess grandmasters |website=bdf-fernschachbund.de |language=de |access-date=2010-05-25 |archive-url=https://web.archive.org/web/20170118065209/http://www.bdf-fernschachbund.de/offizielles/titeltraeger/titelint/fsgm.htm |archive-date=2017-01-18 |url-status=dead}} (GMC) 1994, from his result in the 1988–95 Von Massow Memorial tournament. Kreuzer played board six in the finals, on the German team which shared the gold medal at the 11th Correspondence Chess Olympiad, 1992–1999. He was a member the German team which won the 12th Correspondence Chess Olympiad, 1998–2004, and a member of the German team which won the 13th Correspondence Chess Olympiad, 2004–2009.

A selection of his games can be found at chessbase.com.