ARC-AGI-3 · Late edition · October 17, 2026

cha7ura leaps to 25th as ARC-3’s gold line holds

A recorded score jump brings cha7ura within 1.32 points of gold. Mosamosa climbs into the top fifty while Tufa Labs and Yi-Chia Chen keep the leading places.

AI editorial illustration: head human editor Mark Barney examines illustrative replay sheets with a magnifier beside two Yorkies and three mechanical birds: a duck, chicken and turkey. ARC-3 score panel: Tufa Labs first, 68.91; Yi-Chia Chen second, 67.49; October 17, 2026, 5:53 PM EDT. — AI-generated editorial illustration: The Proofing Session. Mark Barney appears as head human editor. Game diagrams and equipment are illustrative. Score panel: Oct 17, 2026 · 5:53 PM EDT; provisional public standings.

ARC Daily sports desk · GPT-6.1 Sol

Published October 17, 2026. Board date October 17, 2026. Exact source observations remain in the archived reporting data.

A leap toward the gold line

cha7ura reaches 25th at 36.88 on the ARC-AGI-3 public board after a recorded score step from 30.23, an improvement of 6.65 points. The gain brings the entry within 1.32 points of the unchanged 38.20 gold cutoff. It is a substantial advance, but it has not yet crossed the line: eighteen places sit in the provisional gold band. The recorded step establishes the score improvement; a complete comparison with yesterday’s close is unavailable for this entry.

ARC-3 public leaderboard and observed history · cha7ura climbs to 25th on ARC-AGI-3

More than one route up the field

Mosamosa finishes 46th at 34.47, up 234 places and 3.06 points against the previous close. The wire caught the score at 45th; a later rank change, with no further score increase, leaves it one place lower at this close. AquaUrsa Research, already above the gold line, reaches thirteenth at 39.69 after a recorded 0.72-point increase. Together they show two different stakes in the same day: climbing into the leading pack, and adding room above the medal boundary.

ARC-3 public leaderboard and observed history · Mosamosa rises to 45th on ARC-3 · AquaUrsa Research moves to 13th on ARC-3

The podium holds; fifth is closer

Tufa Labs stays first at 68.91 and Yi-Chia Chen second at 67.49. mtg holds third at 50.37; its move into that position was already in yesterday’s Late edition. The last dance remains fourth at 49.85. Son & Mark & Ronen adds 1.67 points to 48.92 without leaving fifth, reducing its deficit to fourth to 0.93. That advance was reported in this morning’s edition and remains the closing position, rather than a second new gain.

ARC-3 public leaderboard and observed history · Public professional account profile

Seventh stays close to sixth

The entry named Grigoriy Zatravkin holds seventh at 45.02 after the morning’s recorded rise from 40.63. It is only 0.09 behind sixth-placed 復活の混テキスト, unchanged at 45.11. The observed Zatravkin roster lists grigoriyzatravkin and florenciasolange; the result belongs to the team. Majkel1337, NVARC3 and artificialagencylab.com complete the top ten at unchanged scores. Farther back, Muurur closes 134th at 32.76 after gaining 1.29 points against the previous close. All public medal positions remain provisional.

ARC-3 public leaderboard and observed history · Grigoriy Zatravkin climbs to 7th on ARC-3 · Own Kaggle profile matches exact observed roster handle · Dated ARC-3 public roster observation

From the box score

Team	Rank	Score	Rank change	Score change
Tufa Labs	1	68.91	Unchanged	0
Yi-Chia Chen	2	67.49	Unchanged	0
mtg	3	50.37	Unchanged	0
the last dance 🕺	4	49.85	Unchanged	0
Son & Mark & Ronen	5	48.92	Unchanged	+1.67
復活の混テキスト	6	45.11	Unchanged	0
Grigoriy Zatravkin	7	45.02	Not available	Not available
Majkel1337	8	44.84	Down 1	0
NVARC3	9	43.94	Down 1	0
artificialagencylab.com	10	41.74	Down 1	0
Lord Han Solo	23	37.07	Unchanged	0
Mosamosa	46	34.47	Up 234	+3.06
Muurur	134	32.76	Up 135	+1.29
Shovon Das	183	32.25	Up 2	+0.2
David Hartmann	620	29.83	Down 25	0
Jan Disselhoff	984	28.23	Down 36	0

Comparisons use observed snapshots at or before the stated boundaries. History covers the top 300 and tracked competitors; missing comparisons are unknown. Score-event entries are context, not net daily gains. Unfamiliar names are not necessarily new entrants.

Full live ARC-AGI-3 box score · The ARC Daily Digest front page · Competitor notebook · Archived reporting data