Stelios Halkias

Stelios Halkias (born 11 April 1980) is a Greek chess player. He was awarded the title of Grandmaster (GM) by FIDE in 2002.

Stelios Halkias
Stelios Halkias, 2010
CountryGreece
Born (1980-04-11) April 11, 1980
TitleGrandmaster (2002)
FIDE rating2563 (August 2020)
Peak rating2602 (May 2011)

Chess career

He has represented his country in a number of Chess Olympiads, including 2000, 2002, 2004, 2006, 2008, 2010 and 2012.

He played in the Chess World Cup 2011, losing to Alexander Morozevich in the first round.

gollark: Google has a thing called "SafetyNet" which allows apps to refuse to run on unlocked devices. You might think "well, surely you could just patch apps to not check, or make a fake SafetyNet always say yes". And this does work in some cases, but SafetyNet also uploads lots of data about your device to Google servers and has *them* run some proprietary ineffable checks on it and give a cryptographically signed attestation saying "yes, this is an Approved™ device" or "no, it is not", which the app's backend can check regardless of what your device does.
gollark: The situation is also slightly worse than *that*. Now, there is an open source Play Services reimplementation called microG. You can install this if you're running a custom system image, and it pretends to be (via signature spoofing, a feature which the LineageOS team refuse to add because of entirely false "security" concerns, but which is widely available in some custom ROMs anyway) Google Play Services. Cool and good™, yes? But no, not really. Because if your bootloader is unlocked, a bunch of apps won't work for *other* stupid reasons!
gollark: If you do remove it, half your apps will break, because guess what, they depend on Google Play Services for some arbitrary feature.
gollark: It's also a several hundred megabyte blob with, if I remember right, *every permission*, running constantly with network access (for push notifications). You can't remove it without reflashing/root access, because it's part of the system image on most devices.
gollark: It is also worse than *that*. The core bits of Android, i.e. Linux, the basic Android frameworks, and a few built-in apps are open source. However, over time Google has moved increasing amounts of functionality into "Google Play Services". Unsurprisingly, this is *not* open source.

References
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