
| Contest | 2004 | 2005 | 2006 | 2007 | 2008 | 
|---|---|---|---|---|---|
| Major Individual Competitions: | |||||
| TopCoder Open Algorithm | top‑48 | top‑72 | Google Code Jam | 35 | 14 | 34 | - | 
| Worldwide High School and Collegiate Onsites: | |||||
| ICPC World Finals | 28 | TopCoder Collegiate Challenge Algorithm | top‑24 | top‑48 | - | 
| Date | Contest | Rank | Score | Prize | 
|---|---|---|---|---|
| 11 Mar 2005 | TCCC 2005 Algorithm | 20 
  
  semifinalist (top‑24)
 
  Ranked 7
  
  in Semifinal 2
  
   | 476.67 | $400 | 
| 02 Nov 2007 | TCCC 2007 Algorithm | 35 
  
  semifinalist (top‑48)
 
  Ranked 12
  
  in Semifinal 2
  
   | 220.76 | $400 | 
| 15 Oct 2004 | Google Code Jam 2004 | 35 
  
  35
 | 294.20 | $511 | 
| 23 Sep 2005 | Google Code Jam 2005 | 14 
  
  14
 | 386.60 | $2500 | 
| 27 Oct 2006 | Google Code Jam 2006 | 34 
  
  34
 | 330.73 | $1000 | 
| 14 Oct 2005 | Topcoder Open 2005 Algorithm | 29 
  
  semifinalist (top‑48)
 
  Ranked 10
  
  in Semifinal 3
  
   | 208.66 | $500 | 
| 15 May 2008 | Topcoder Open 2008 Algorithm | 56 
  
  semifinalist (top‑72)
 
  Ranked 19
  
  in Semifinal 3
  
   | 178.56 | $500 | 
| Date | Contest | Rank | Team | Score | Prize | 
|---|---|---|---|---|---|
| 31 Mar 2004 | ACM-ICPC 2004 World Finals | 28 
  
  28
 | Universität Ulm 
  
  (Ulm Sparrows):
   | 3/10 |