I know Little8Lost is adding in last/next post comments (EXTREMELY helpful, thank you!), but just in case someone wants them all in one place (like I did):
Day 1: bishop to A55 (all of them go on vacation, never come back) -ehsan301 (and OP)
Day 2: white queen divorces king -julianh
Day 3: “The white King, heartbroken and disillusioned with his future prospects, lost in a dreary mist of drug-fuelled degeneracy, stuck in the throes of a severe midlife crisis, summons his best friend, his confidant, his ride or die BRO to cheer him up. Ke8 to e1.” -bl00dmeat
Day 4: Queen Alexandra’s Birdwing to D1 -soollik
Day 5: supply convoy to e0 -franzfurdinand
Day 6: white horse (g1) comes out as gay, turns into a unicorn -xffxe4
Day 7: “Top of the board is looking empty, let's start a girl's party with blue queen, green queen, and red queen to c8, e8 and f8 respectively.” -JohnDClay
Day 8: “All pawns are scrambled around the board and turn into hidden mines, turning the game into minesweeper” -mycus
Day 9: “Kings decide to take some well deserved time off on a trip to disney sorld and let their pawn body doubles stand in for them with very little prep time to get the look right” -LastResorter
Day 10: “The castles are renovated into gaudy commercial establishments—one is a café, one is a privately-owned museum, one is a residential condominium, and one is torn down to make way for a strip mall.” -fiasco
Day 11: the titanic sinks on f6 -Jeom
Day 12: Sf6 (submarine on f6, underwater so you can’t see it) -IsThisLemmyOpen
Day 13: “Prigozhin retreats to c0” -Barbarian, also submarine becomes visible
Day 14: “Green Queen is actually Fiona from Shrek. It's day time now, so stops being an ogre and turns into a human.” -negativenull
Day 15: “Sxf6 titan catastrophically implodes leaving a debris field from e5 to g6” -JohnDClay (and COME ON DOWN FOLKS it’s our FIRST. TWO TIME. WIIINNNEEEERRRRRRR) and the first pawn mine of the game is found
Day 16: vanilla extract to b3 -julianh (also a 2 time winner but 2nd place don’t get no prize)
Day 17: “Unicorn to f3 and shoots a healing rainbow from its horn to heal the exploded pawn.” -pruwybn
Day 18: “Black and white horse become gay roommates and live in the bottom right corner together.” -Mewtwo
Day 19: “All the white pieces line up for Starbucks” -eldoom, and oh shit they hit three mines
Day 20: “It's 4th of July. Aliens attack, a wild Will Smith appears.” -NukeminHerttua
Day 21: “Profits soar! Zuck expands to 4 squares” -drev
Day 22: “Zuck gets defederated by all pieces on board, they no longer receive his moves” -shabablinchikow
Day 23: “A0 is now a fractal image of the entire board. A copy of the entire board lives in A0” -CoreyRDean
Day 24: “The blown up white pieces have been rotting. A strange mold starts appearing on the the dead white queen. A moldy tile will spread to one directly adjacent tile every 24hours, unless stopped.” -webghost0101
Day 25: “Turn the lights off.” -imnotsurewhyimhere, the mold spreads
Day 26: “Prigozhin takes advantage of the sudden darkness to hide behind the fractal image of the entire board in A0.” -Marafon, the mold spreads
Day 27: “Flashlight to F1” -julianh (THREE TIME WINNNERRRRR) and “I hope its placed pointing at the unicorn so we get a cool prism effect from its horns reflection.” -webghost0101. The mold spreads, white horsey has fallen
Day 28: “Donkey (from Shrek) on c7. I have a plan 😎” -girl, the mold spreads, it spares for now
Day 29: “the aliens are in love (edit: with Donkey), the ship beams donkey on board where he transforms into Sexy Donkey (stallion)” -girl, the mold spreads, zuck has (partially) fallen but is unaffected due to defederation