Didn't Kasporov lose 1 in every 3 games? I'm not saying that's bad...but isn't that about as good as you can hope for?
GMs who rarely lose

Didn't Kasporov lose 1 in every 3 games? I'm not saying that's bad...but isn't that about as good as you can hope for?
Nup
+785 -118 =771

Morphy maybe? Years after his retreat from chess was he still considered the best chess player: +198 -26 =24

Capablanca!
+372 -46 =262
Lasker
+362 -89 =180
Tal
+1117 -298 =1303
Petrosian
+697 -159 =1072
Karpov
+986 -242 =1312
Leko
+329 -182 =830
Ulf
+556 -232 =1438
Carlsen
+385 -167 =423
I think Mikhail Tal takes the cake!

To answer OP's Question:
Capablanca!
+372 -46 =262 losing percentage: 6.76%
Lasker
+362 -89 =180 losing percentage: 14.10%
Tal
+1117 -298 =1303 losing percentage: 10.96%
Petrosian
+697 -159 =1072 losing percentage: 8.25%
Karpov
+986 -242 =1312 losing percentage: 9.53%
Leko
+329 -182 =830 losing pecentage: 13.57%
Ulf
+556 -232 =1438 losing perentage: 10.42%
Carlsen
+385 -167 =423 losing percentage: 17.13% (surprisingly high in comparison!)
I think Mikhail Tal takes the cake!
So Capalanca wins, second Petrosian, third Karpov.

Some others:
Fischer
+417 -85 =246 losing percentage: 11.36%
Kramnik
+446 -126 =807 losing percentage: 9.14%
Anand
+610 -198 =922 losing percentage: 11.45%
Kasparov
+785 -118 =771 losing percentage: 7.05%
Alekhine:
+1055 -243 =487 losing percentage: 13.61%
So, with these players included, our new top 3 are:
#1 Capablanca, #2 Kasparov, #3 Petrosian

I don't go by that metric because not lose very often can also mean draws a very lot. Still, these statistics are interesting.

Can someone explain to me exactly what those numbers mean? I'm sincerely trying to figure it out and even googled it, but I couldn't figure it out. Thankyou.
Kasparov played only super tournaments though, in Capablanca's day most tournaments had a bottom group of 5-10 players that were many classes weaker than the best, so difficult to just compare percentages.

Peter Leko plays draws with >2300 People and
http://ratings.fide.com/chess_statistics.phtml?event=703303 look at his stats
In tal memorial you Can also talk about Andrawkin!
To take an extreme example, look at this tournament, one of the three Capa played during his eight years as undefeated. Great result but not very strong opposition:
http://www.chessgames.com/perl/chess.pl?tid=79959

Can someone explain to me exactly what those numbers mean? I'm sincerely trying to figure it out and even googled it, but I couldn't figure it out. Thankyou.
For ex:
Kasparov's record is +785 -118 =771. This means that out of all the serious games that he has played in his career as a chess player, he's won 785, lost 118 and drawn 771.

fabelhaft wrote:
To take an extreme example, look at this tournament, one of the three Capa played during his eight years as undefeated. Great result but not very strong opposition:
http://www.chessgames.com/perl/chess.pl?tid=79959
But that's not my question.
Who is the GM with the least amount of losses or lowest percentage rate for losses ? My bet its between Capablanca Lasker Petrosian Fischer Karpov Kasparov Leko Ulf Anderson and Carlson maybe Schletcher (might of spelled it wrong)