Nerdle91

Pro Nerdle - 10-column equations with parentheses

What is Pro mode?

Pro mode is Nerdle's hardest variant. 10 columns instead of 8, all four operators available, and parentheses are in play. Equations can look like (3+4)*2=14 or 96/(8+4)=8. The extra columns and grouping symbols change the solving strategy completely.

A Pro guess with parentheses: 10 columns, ( and ) get their own color feedback

Pro mode is unlimited. No daily reset, no waiting between rounds. Each puzzle comes from a pool of pre-generated 10-column equations verified for correctness. This mode is for people who find Classic too predictable.

Understanding parentheses in Pro Nerdle

Parentheses change how the equation evaluates. Without them, multiplication and division happen before addition and subtraction. With them, the grouped operation happens first.

2+3×4=14
2
+
3
*
4
=
1
4
→
(2+3)×4=20
(
2
+
3
)
*
4
=
2
0
Same digits and operators, different result - parentheses change the evaluation order

In Pro mode, ( and ) are individual characters with their own color feedback. If ( shows purple, there's a parenthesis in the equation but you've placed it in the wrong column. This adds two more characters to track beyond the standard digits and operators.

Pro mode rules

Bigger grid, more operators, and parentheses add real complexity.

10-column grid

Every guess must be exactly 10 characters. That's enough room for expressions like (12+4)*3=48 or 100-36/4=91. The extra space means more complex equations with larger numbers.

All operators plus parentheses

Pro uses +, -, *, /, and parentheses ( and ). Parentheses change the order of operations, so (3+5)*2=16 is different from 3+5*2=13. You need to consider grouping when you guess.

Standard color feedback

Same green/purple/dark system. Parentheses are treated as characters, so ( and ) each get their own color feedback. If ( shows purple, there's a parenthesis in the equation but you have it in the wrong column.

Unlimited play

No daily limit. Finish one puzzle and start another immediately. Stats track your games played and win rate.

Parentheses must be balanced. Every ( needs a matching ). Leading zeros are still not allowed, and all division must produce integers.

Tips for Pro mode

Check for parentheses first

Your first guess should test whether parentheses appear. Try an equation with ( and ) in your opener. If both come back dark, the answer has no grouping and you can solve it like a bigger Classic puzzle.

Narrow the equals sign position

In 10 columns, the = sign could sit anywhere from column 5 to column 9. The right side could be 1, 2, or 3 digits. Pinning the = position early is even more important here than in Classic.

Watch operator order carefully

With parentheses, the same digits and operators can produce different results. 2+3*4=14 vs (2+3)*4=20. If you've confirmed certain digits and operators but the math doesn't work, try rearranging with parentheses.

Use larger numbers in openers

10 columns mean bigger numbers. Try openers like (12+3)*4=60 or 100-25/5=95 to test digits in the 0-9 range while covering the wider column space.

Pro vs Classic Nerdle

Classic is 8 columns with +, -, *, /. Pro is 10 columns with those same operators plus parentheses. The additional 2 columns allow more complex expressions and larger numbers.

The parentheses are what really change the game. In Classic, the order of operations is fixed. In Pro, parentheses can override that order. You effectively have to guess the mathematical structure of the equation as well as the characters.

Pro mode FAQ

How many columns does Pro Nerdle have?
10 columns. Each guess must be exactly 10 characters.
Does Pro mode always have parentheses?
Not always. Some Pro equations don't use parentheses. Part of the challenge is figuring out whether grouping is present in the hidden equation.
Is Pro Nerdle a daily puzzle?
No. Pro is unlimited. You can play as many rounds as you want.
What's the hardest part about Pro mode?
The parentheses. They change operation order, so you have to consider different mathematical structures for the same set of characters. Plus, 10 columns means a much larger space of possible equations.
Can parentheses be misplaced (purple)?
Yes. ( and ) are treated as individual characters. If ( shows purple, the equation has a parenthesis but yours is in the wrong column position.
Is Pro mode also known as Maxi Nerdle?
Yes. Maxi Nerdle is a common name for the 10-column variant. Some players also call it Pro Nerdle or Hard mode. On Nerdle91, we call it Pro.