Opener Lab
ROUND vs SLANT
See which word leaves you with the easier game.
These game-length figures come from the previous complete opener benchmark against its 2,354-answer snapshot, ranked by average guesses among games solved within six. Its answer snapshot and continuation policy are separate from today's solver recommendations.
The same solver played from both openers. SLANT has the lower average in games solved within six: 3.51 guesses to 3.61 for ROUND.
Looking only at the opening row, SLANT has higher entropy (5.49 bits versus 4.83). That describes first-guess separation, not the full solve on its own.
ROUND does keep one card: in full solver playouts it finishes inside six guesses 100.0% of the time, a shade ahead of SLANT at 99.9%.
| Metric | ROUND | SLANT |
|---|---|---|
| Elimination | 92.4% | 95.7% |
| Information | 4.83 bits | 5.49 bits |
| Avg remaining | 179 words | 101 words |
| Avg turns | 3.61 | 3.51 |
| Win rate | 100.0% | 99.9% |
| Tier | B | A |
What to expect from the first guess
| Outcome | ROUND | SLANT |
|---|---|---|
| First-turn solve* | 0.04% | 0.04% |
| At least one green | 30.1% | 41.5% |
| Any green or yellow | 79.1% | 86.2% |
| Whole row gray | 20.9% | 13.8% |
| Worst case answers left | 492 | 326 |
*Treating every word in the possible-answer list as equally likely.
A fully gray row is rarer with SLANT: it happens 13.8% of the time, against 20.9% for ROUND.
How these two openers fit together
ROUND and SLANT overlap on a single letter (N), so the pair tests 9 different letters between them.
Played back to back, ROUND then SLANT earns 8.56 bits of information in total, 3.07 bits more than the better word manages alone.
Past Wordle answers
- ROUND: Answer to the puzzle on September 17, 2021.
- SLANT: Has not been a past Wordle answer in this site's history.