G-34 ・ Puzzle ・ 2 min

Seating Planner — A daily seat-logic puzzle

A daily browser logic puzzle: work out the seating for a meeting or a dinner from the clues alone. It is not an etiquette quiz. Tap a person’s card, then a seat, to sit them down; tap someone already seated and then another seat to swap them. Every seat shows a number from 1 to 6, and the clues are simple relations such as “The director sits at a smaller number than the manager”, “Sato sits opposite Suzuki”, “Tanaka sits in the back row” or “Ito does not sit next to Watanabe”. Every puzzle is checked by a solver to have exactly one answer. Press Check and each seat turns green (right) or grey (wrong), and each grey seat shows the clue it breaks in one line. You get three tries; if you miss, the answer is shown. The daily table is the same for everyone (set by the date in Japan) and gets harder through the week, from four people on Monday to six on Sunday. Share how many tries you needed and the colour rows — never the answer. Your streak is saved on this device. Free, no sign-up.

How to play

Tap a person’s card, then a seat. Tap someone seated, then another seat, to swap them
Seat everyone so all the clues hold. Seats are numbered 1 to 6; “smaller number” means this number
When everyone is seated, press Check. Green seats are right, grey are wrong, and each grey seat shows the clue it breaks
Three tries. The very first time starts with a 3-person warm-up. From the result, “Bonus table” starts the next one (bonus tables don’t count toward your streak or stats)

Keyboard: A–F pick a card / 1–6 seat them there / Tab and Enter also work / Enter check / Esc cancel the pick / R bonus table from the result

Not an etiquette quiz

Seats 1–6 follow this game’s own order. The answer is fixed by the clues alone: every puzzle is checked by trying every arrangement (720 for six people) to make sure exactly one fits. Seating someone by rank (“the director must take seat 1”) can be wrong. A wrong seat turns grey and shows the clue that person breaks.

Worked example: the 3-person warm-up

The clues are “Yamada sits in the back row” and “Watanabe sits opposite Yamada”. At the 3-person dinner table only seat 1 is in the back row, so Yamada takes seat 1. Seat 2 is opposite seat 1, so Watanabe takes seat 2, and Ito gets seat 3. Daily tables work the same way: start with the clue that pins one seat, and the rest narrow down.

Daily table and sharing

Today’s table is set by the date in Japan, so everyone gets the same people and clues on the same day — the demo (the table for 6 November) included. Sharing posts only how many tries you needed and the colour rows in seat order, never the answer.

Where the tables come from

The meeting table follows the “bilateral talks” diagram in the Ministry of Foreign Affairs of Japan’s seating examples: two rows face each other, numbered from the far end, with the door at the bottom; this game uses the top three places of each row. The dinner table follows the long-table diagram for a dinner without spouses, using the middle three seats of each side. Seat numbering is this game’s choice; it does not judge real-world seating etiquette.

Source

Ministry of Foreign Affairs of Japan, “座席例” (seating examples, PDF): https://www.mofa.go.jp/mofaj/gaiko/local/database/pdfs/zaseki.pdf . On 9 November 2026 the ministry’s server refused the request (403), so the diagram titles and seat order were checked against the Internet Archive copy saved on 26 January 2025: https://web.archive.org/web/20250126064730/https://www.mofa.go.jp/mofaj/gaiko/local/database/pdfs/zaseki.pdf

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