Predictions

Season 21:
TCEC Leagues Season 21
These are the TCEC chatters who have staked 250 000 trollbits (the maximum) on at least one game during the league season:

masterkni6, naphtha42, mrbdzz, leela_is_the_goddess, heyimBigo, BelgradeGambit, drspod, Viren6, digretion, 1coghoti, SF_is_a_GOD, Lolligerhans, RobbyRobbyRob, imelbook, creyzamo, BumfluffBob, Wolfgang_de_Cauter, kanchess, Linisten, opinternet, Remnant_of_Fishcooking, tracycage, vujazzman, linilly, quackquackblah, windfishballad, Jeydra, cookie_monster_71, kiudee, wissam512, platyhelminth, MandelSet, FirebrandX, coolconqueror, frodi6768.

These are the TCEC chatters who have lost 250K for the greater good. Numbers behind their name indicate how often they have done so:

heyimBigo (2x), mrbdzz (8x), imelbook, BelgradeGambit (7x), leela_is_the_goddess, kanchess (4x), SF_is_a_GOD (3x), opinternet, tracycage, windfishballad (3x), drspod (3x), cookie_monster_71, kiudee, quackquackblah (6x) , vujazzman (3x), linilly, platyhelminth, MandelSet, FirebrandX, naphtha42 (2x), 1coghoti, frodi6768.

TCEC Cup 9
These are the TCEC chatters who have staked 250 000 trollbits (the maximum) on at least one game in Cup 9:

ddarthez, mrbdzz, thecoal_baker, wissam512, kittenkaboodle, coolconqueroriii, RobbyRobbyRob, heyimBigo, jjlai1111, digretion, BelgradeGambit, ChessEAlly, 1coghoti.

These are the TCEC chatters who have lost 250K for the greater good. Numbers behind their name indicate how often they have done so:

mrbdzz (1x), heyimBigo (1x), BelgradeGambit (1x), thecoal_baker (1x), kittenkaboodle (1x), 1coghoti (1x).

TCEC Swiss 2
These are the TCEC chatters who have staked 250 000 trollbits (the maximum) on at least one game in Swiss 2:

ChessEAlly, Archstro, masterkni6, mrbdzz, coolconqueroriii, RobbyRobbyRob, ddarthez, thecoal_baker, quackquackblah, jjlai1111, gmmds27, Lolligerhans, polotovarman, AlcyonEldara, linilly

These are the TCEC chatters who have lost 250K for the greater good. Numbers behind their name indicate how often they have done so:

ddarthez (1x), thecoal_baker (1x), mrbdzz (2x), Archstro (1x), gmmds27 (2x), quackquackblah (1x), jjlai1111 (2x), coolconqueroriii (1x), AlcyonEldara (1x), 1coghoti (1x)

TCEC FRC 4
These are the TCEC chatters who have staked 250 000 trollbits (the maximum) on at least one game in FRC4:
1coghoti, Archstro, BelgradeGambit, ccls, coolconqueroriii, ddarthez, digretion, heyimBigo, jjlai1111, kanchess, linilly, Linisten, masterkni6, mrbdzz, naphtha42, polotovarman, quackquackblah, RobbyRobbyRob, steinebox18l, thecoal_baker

These are the TCEC chatters who have lost 250K for the greater good. Numbers behind their name indicate how often they have done so:
polotovarman (1x), kanchess (1x), Archstro (1x), linilly (1x), heyimBigo (1x), mrbdzz (4x), thecoal_baker (3x), coolconqueroriii (2x), quackquackblah (1x) jjlai1111 (1x), 1coghoti (1x), ChessEAlly (1x), steinebox18l (1x)

These are the chatters who have achieved the heroic grand slam of losing at least one 250k bet in each of the main events of Season 21:
mrbdzz, 1coghoti

Season 22:
TCEC Leagues Season 22
These are the TCEC chatters who have staked 250 000 trollbits (the maximum) on at least one game during the league season:
RobbyRobbyRob (129x), kanchess (18x), digretion (12x), jjlai1111 (23x), cylenty61 (6x), Archstro (31x), thecoal_baker (4x), steinebox18l (12x), kittenkaboodle (21x), PawnMasseur (66x), xtm2212 (3x), AlcyonEldara (7x), CCLS (2x), coolconqueroriii (2x), ddarthez (1x), tmsenseii (12x), expo_dev (4x), masterkni6 (9x), mrbdzz(9x), Lazy_Frank (27x), naphtha42 (10x), 1coghoti (2x), Linisten (4x), quackquackblah (2x), gmmds27 (4x), Club for S22 Leagues continued: Remnant_of_Fishcooking (3x), creyzamo (21x), bequral (32x), windfishballad (6x), BelgradeGambit (7x), Dubslow (4x), kaballeh (4x), picardyThird (1x), masa142857 (45x), Zyronx1 (7x), platyhelminth (6x), vujazzman (16x), TCEC_Spectator (1x), MandelSet (10x), NikolayIT (1x), Blast_Be (1x).

These are the TCEC chatters who have lost 250K for the greater good. Numbers behind their name indicate how often they have done so:
kanchess (11x) , thecoal_baker (2x), RobbyRobbyRob (15x), xtm2212 (2x), coolconqueroriii (2x), PawnMasseur (6x), jjlai1111 (4x), tmsenseii (2x), steinebox18l (6x), cylenty61 (1x), kittenkaboodle (3x), mrbdzz (2x), creyzamo (2x), 1coghoti (1x), windfishballad (4x), Lazy_Frank (4x), naphtha42 (2x), BelgradeGambit (2x), bequral (5x), gmmds27 (2x), Dubslow (1x), expo_dev (1x), masa142857 (5x), platyhelminth (1x), kaballeh (1x), Archstro (3x), TCEC_Spectator (1x), NikolayIT(1x), digretion (2x)