| Rank | Event | Year | Location | Result |
| Olympic Games | ||||
| 2 | 200m Butterfly | 2008 | Beijing, CHN | 1:52.70 |
| 2 | 200m Individual Medley | 2008 | Beijing, CHN | 1:56.52 |
| 2 | 400m Individual Medley | 2008 | Beijing, CHN | 4:06.16 |
| 3 | 400m Individual Medley | 2004 | Athens, GRE | 4:12.15 |
| 4 | 200m Individual Medley | 2004 | Athens, GRE | 1:58.84 |
| 6 | 100m Backstroke | 2004 | Athens, GRE | 54.61 |
| 7 | 4 x 100m Medley Relay | 2004 | Athens, GRE | 3:37.46 |
| World Championships | ||||
| 1 | 400m Individual Medley | 2005 | Montreal, QC, CAN | 4:09.63 |
| 2 | 200m Individual Medley | 2009 | Rome, ITA | 1:55.24 |
| 2 | 200m Individual Medley | 2005 | Montreal, QC, CAN | 1:57.61 |
| 2 | 400m Individual Medley | 2003 | Barcelona, ESP | 4:10.79 |
| 3 | 200m Individual Medley | 2011 | Shanghai, CHN | 1:57.69 |
| 3 | 400m Individual Medley | 2009 | Rome, ITA | 4:07.37 |
| 3 | 200m Individual Medley | 2007 | Melbourne, VIC, AUS | 1:56.92 |
| 3 | 100m Backstroke | 2005 | Montreal, QC, CAN | 54.27 |
| Semifinal | 100m Butterfly | 2011 | Shanghai, CHN | 52.18 |
| Semifinal | 200m Butterfly | 2011 | Shanghai, CHN | 1:56.32 |
| Heats | 400m Individual Medley | 2011 | Shanghai, CHN | 4:22.26 |
| Heats | 4 x 200m Freestyle Relay | 2009 | Rome, ITA | 7:08.24 |
| European Championships | ||||
| 1 | 200m Butterfly | 2012 | Debrecen, HUN | 1:54.95 |
| 1 | 200m Individual Medley | 2012 | Debrecen, HUN | 1:56.66 |
| 1 | 400m Individual Medley | 2012 | Debrecen, HUN | 4:12.17 |
| 1 | 200m Individual Medley | 2010 | Budapest, HUN | 1:57.73 |
| 1 | 400m Individual Medley | 2010 | Budapest, HUN | 4:10.95 |
| 2 | 100m Butterfly | 2012 | Debrecen, HUN | 51.77 |
| 3 | 4 x 200m Freestyle Relay | 2012 | Debrecen, HUN | 7:13.60 |
| 3 | 4 x 100m Medley Relay | 2012 | Debrecen, HUN | 3:34.57 |
| 6 | 4 x 100m Freestyle Relay | 2010 | Budapest, HUN | 3:18.01 |
| 7 | 4 x 100m Freestyle Relay | 2012 | Debrecen, HUN | 3:17.23 |
| World Championships Short Course | ||||
| 3 | 200m Butterfly | 2010 | Dubai, UAE | 1:51.67 |
| 6 | 400m Individual Medley | 2010 | Dubai, UAE | 4:04.93 |
Nickname
Lacika (hetek.hu, 19 Aug 2010)
Hobbies
Computers, photography, fishing. (kobanyaswimming.com, 2012; NOC Media Guide 2004)
Language(s) spoken
Hungarian, English
Club name
Kobanya Sport Club, Budapest, HUN
Coach
Gyorgy Turi, Zoltan Nemes (HUN) (mindennapi.hu, 04 Apr 2011)
Other sports
His father Laszlo Cseh Sr was a swimmer. (starity.hu, 2011)
Injuries
He suffered from stomach complaints and had to be taken to hospital after arriving at the 2009 World Championships in Rome. (uszovilag.hu, 23 Jul 2009)
He broke a bone in his foot in a training camp three weeks prior to the 2004 Olympic Games in Athens. He had surgery and was back training a week later. (MTI, 15 Aug 2004)
In 2001 at the second day of the short course national championship he sustained a knee injury. He missed two months of competition. (csehlaszlo.hu, 01 Dec 2010)
Additional information
Start of sporting career
He started swimming at age four in Budapest, Hungary. (csehlaszlo.hu, 01 Dec 2010; starity.hu, 2011)
Hero
Tamas Darnyi (starity.hu, 2011)
Most influential person in career
His father. (NF, 24 Mar 2007)
Superstitions / Rituals
Shaving his head and body a day before competition. (starity.hu, 2011)
Awards
He was voted as Hungary's Male Athlete of the Year for 2006. (sportgeza.hu, 18 Dec 2006)
Previous Olympics
Beijing 2008, Athens 2004
