DAILY DEDUCTION · 2026-11-03 UTC
The Sunday coffee club · daily 1
Match the guests to the drinks and arrival times. Times run from earliest to latest; every item is used exactly once.
Your deduction grid
Click or press Enter to cycle: blank → × impossible → ✓ confirmed → ? possible. Arrow keys move within a grid.
Arrival times order: 09:00 → 10:00 → 11:00.
Guests × Drinks
| Guests | Latte | Tea | Mocha |
|---|---|---|---|
| Amelia | |||
| Oliver | |||
| Isla |
Guests × Arrival times
| Guests | 09:00 | 10:00 | 11:00 |
|---|---|---|---|
| Amelia | |||
| Oliver | |||
| Isla |
Drinks × Arrival times
| Drinks | 09:00 | 10:00 | 11:00 |
|---|---|---|---|
| Latte | |||
| Tea | |||
| Mocha |
Clues
- Latte is not paired with 10:00.
- Mocha is not paired with 10:00.
- Amelia is paired with 09:00.
- Isla is not paired with 10:00.
- Latte is not paired with 11:00.
Reveal the worked solution (spoilers)
One deduction at a time
Follow the numbered clues, one-to-one eliminations and cross-grid deductions. When a counterfactual is needed, its assumptions and clue-by-clue contradiction are shown.
Measured complexity: rule tier 1/4 · 27 verified grid deductions · 0 counterfactuals. Difficulty measures the rules used by this solver, not a promised completion time.
- Step 1: Clue 1: Latte is not paired with 10:00. Latte cannot be paired with 10:00.
- Step 2: Clue 2: Mocha is not paired with 10:00. Mocha cannot be paired with 10:00.
- Step 3: Clue 3: Amelia is paired with 09:00. Amelia must be paired with 09:00.
- Step 4: Clue 4: Isla is not paired with 10:00. Isla cannot be paired with 10:00.
- Step 5: Clue 5: Latte is not paired with 11:00. Latte cannot be paired with 11:00.
- Step 6: Amelia is already matched to 09:00; each item is used once. Amelia cannot be paired with 10:00.
- Step 7: Amelia is already matched to 09:00; each item is used once. Amelia cannot be paired with 11:00.
- Step 8: 09:00 is already matched to Amelia; each item is used once. Oliver cannot be paired with 09:00.
- Step 9: All other Guests choices for 10:00 have been eliminated. Oliver must be paired with 10:00.
- Step 10: Oliver is already matched to 10:00; each item is used once. Oliver cannot be paired with 11:00.
- Step 11: 09:00 is already matched to Amelia; each item is used once. Isla cannot be paired with 09:00.
- Step 12: All other Arrival times choices for Isla have been eliminated. Isla must be paired with 11:00.
- Step 13: All other Arrival times choices for Latte have been eliminated. Latte must be paired with 09:00.
- Step 14: 09:00 is already matched to Latte; each item is used once. Tea cannot be paired with 09:00.
- Step 15: All other Drinks choices for 10:00 have been eliminated. Tea must be paired with 10:00.
- Step 16: Tea is already matched to 10:00; each item is used once. Tea cannot be paired with 11:00.
- Step 17: 09:00 is already matched to Latte; each item is used once. Mocha cannot be paired with 09:00.
- Step 18: All other Arrival times choices for Mocha have been eliminated. Mocha must be paired with 11:00.
- Step 19: Both Amelia and Latte are matched to 09:00; they must belong together. Amelia must be paired with Latte.
- Step 20: Amelia is already matched to Latte; each item is used once. Amelia cannot be paired with Tea.
- Step 21: Amelia is already matched to Latte; each item is used once. Amelia cannot be paired with Mocha.
- Step 22: Latte is already matched to Amelia; each item is used once. Oliver cannot be paired with Latte.
- Step 23: Latte is already matched to Amelia; each item is used once. Isla cannot be paired with Latte.
- Step 24: Both Oliver and Tea are matched to 10:00; they must belong together. Oliver must be paired with Tea.
- Step 25: Oliver is already matched to Tea; each item is used once. Oliver cannot be paired with Mocha.
- Step 26: Tea is already matched to Oliver; each item is used once. Isla cannot be paired with Tea.
- Step 27: All other Drinks choices for Isla have been eliminated. Isla must be paired with Mocha.
Answer key
Amelia · Latte · 09:00
Oliver · Tea · 10:00
Isla · Mocha · 11:00
A different, prevalidated puzzle is released at 00:00 UTC. Your streak uses consecutive UTC completion dates on this device. Archive play does not repair a missed day. The current schedule runs through 2027-12-07; it never wraps or repeats.