Sergej Krefenstein

Country

GER

Birth Year

1980

Gender

M

Title

FIDE ID

12922072

FIDE ratings

2106

Classical

Published FIDE

2022

Rapid

Published FIDE

2011

Blitz

Published FIDE

Official classical ranks

World rank
#14981
National rank · GER
#1679

Active players · Oct 2026 FIDE list ⓘ

Rating history

Highest recorded rating
2225 Dec 2015
Recorded years
2010–2026
Archived games
186

Based on available monthly lists and saved games.

FIDE rating history

Published rating lists through Oct 2026.

View rating lists
Available Games

Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-10-07 (UTC).

# Date Event Site Round White Black Result Moves View
151 2014-05-02 Koenigsjaeger Fruehling Open 2014 Berlin GER 4.23 Sergej Krefenstein Felix Engers 1-0 34 Open
152 2014-05-02 Koenigsjaeger Fruehling Open 2014 Berlin GER 3.8 Marco Baldauf Sergej Krefenstein 1-0 35 Open
153 2014-05-01 Koenigsjaeger Fruehling Open 2014 Berlin GER 2.9 Sergej Krefenstein Tobias Jugelt 1/2-1/2 36 Open
154 2014-05-01 Koenigsjaeger Fruehling Open 2014 Berlin GER 1.34 Colin A Costello Sergej Krefenstein 0-1 43 Open
155 2013-10-06 Lichtenrader Herbst 2013 Berlin GER 9.18 Sergej Krefenstein Arno Kirchhof 1-0 18 Open
156 2013-10-02 Lichtenrader Herbst 2013 Berlin GER 5.8 Rene Stern Sergej Krefenstein 1-0 35 Open
157 2013-09-30 Lichtenrader Herbst 2013 Berlin GER 3.8 Sergej Krefenstein David Bekker-Jensen 0-1 28 Open
158 2013-08-25 12th Lichtenberger Sommer Berlin GER 9.21 Sergej Krefenstein Uwe Sabrowski 1/2-1/2 57 Open
159 2013-08-24 12th Lichtenberger Sommer Berlin GER 8.1 Aron Moritz Sergej Krefenstein 1-0 28 Open
160 2013-08-23 12th Lichtenberger Sommer Berlin GER 7.24 Sergej Krefenstein 12914479 1-0 57 Open
161 2013-08-22 12th Lichtenberger Sommer Berlin GER 6.32 Jan-Christoph Eichler Sergej Krefenstein 0-1 50 Open
162 2013-08-21 12th Lichtenberger Sommer Berlin GER 5.21 Sergej Krefenstein Markus Schmidt 0-1 41 Open
163 2013-08-20 12th Lichtenberger Sommer Berlin GER 4.28 Fabrizio Grassi Sergej Krefenstein 0-1 37 Open
164 2013-08-19 12th Lichtenberger Sommer Berlin GER 3.4 Sergej Krefenstein Sergey Kalinitschew 0-1 34 Open
165 2013-08-18 12th Lichtenberger Sommer Berlin GER 2.29 Frank, Dr. Rauhut Sergej Krefenstein 0-1 23 Open
166 2013-08-17 12th Lichtenberger Sommer Berlin GER 1.35 Sergej Krefenstein Helmut Koerner 1-0 21 Open
167 2013-07-10 Werner-Ott-Open 2013 Berlin GER 5.7 Martin Kopisch Sergej Krefenstein 1-0 30 Open
168 2013-07-09 Werner-Ott-Open 2013 Berlin GER 4.1 Sergej Krefenstein Michael, Dr. Kupfer 1-0 26 Open
169 2013-07-08 Werner-Ott-Open 2013 Berlin GER 3.1 Markus, Dr. Woerz Sergej Krefenstein 1-0 47 Open
170 2012-08-26 11th Lichtenberger Sommer 2012 Berlin GER 9.16 Thomas Kohler Sergej Krefenstein 1-0 40 Open
171 2012-08-25 11th Lichtenberger Sommer 2012 Berlin GER 8.13 Sergej Krefenstein Stephan Giemsa 1/2-1/2 38 Open
172 2012-08-24 11th Lichtenberger Sommer 2012 Berlin GER 7.26 Michael, Dr. Kupfer Sergej Krefenstein 0-1 12 Open
173 2012-08-23 11th Lichtenberger Sommer 2012 Berlin GER 6.38 Sergej Krefenstein Andreas Reiche 1-0 32 Open
174 2012-08-22 11th Lichtenberger Sommer 2012 Berlin GER 5.12 Detlef Boetzer Sergej Krefenstein 1-0 65 Open
175 2012-08-21 11th Lichtenberger Sommer 2012 Berlin GER 4.11 Sergej Krefenstein Robert Glantz 1/2-1/2 56 Open
176 2012-08-20 11th Lichtenberger Sommer 2012 Berlin GER 3.32 Unidentified player Sergej Krefenstein 0-1 16 Open
177 2012-08-19 11th Lichtenberger Sommer 2012 Berlin GER 2.54 Sergej Krefenstein Olaf Bandsom 1-0 33 Open
178 2012-08-18 11th Lichtenberger Sommer 2012 Berlin GER 1.5 Felix Geissler Sergej Krefenstein 1/2-1/2 39 Open
179 2012-07-15 Werner-Ott-Open 2012 Berlin GER 9.11 Frank Niehaus Sergej Krefenstein 1/2-1/2 33 Open
180 2012-07-14 Werner-Ott-Open 2012 Berlin GER 8.14 Sergej Krefenstein Rainer Albrecht 1/2-1/2 36 Open
181 2012-07-13 Werner-Ott-Open 2012 Berlin GER 7.18 Pascal Bieg Sergej Krefenstein 0-1 37 Open
182 2012-07-12 Werner-Ott-Open 2012 Berlin GER 6.11 Sergej Krefenstein Thomas Kohler 0-1 76 Open
183 2012-07-11 Werner-Ott-Open 2012 Berlin GER 5.7 Gunnar Johansson Sergej Krefenstein 1/2-1/2 23 Open
184 2012-07-10 Werner-Ott-Open 2012 Berlin GER 4.6 Peter Bjarnehag Sergej Krefenstein 1/2-1/2 37 Open
185 2012-07-09 Werner-Ott-Open 2012 Berlin GER 3.7 Sergej Krefenstein Ronny Gaerths 1/2-1/2 55 Open
186 2012-07-08 Werner-Ott-Open 2012 Berlin GER 2.23 Unidentified player Sergej Krefenstein 0-1 52 Open

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