Math practiceyour child willactually ask for.

A 3rd–4th grade math adventure where chess pieces become a secret number code. Kids decode, solve real math, and verify every answer in standard digits — no chess knowledge needed.

  • Free to try
  • No ads
  • No child account needed for the preview
  • No chess knowledge needed
Join the Parent PreviewSee How It Works

What Is Chess 4 Math?

Math practice disguised as a magical code.

Chess 4 Math is not a chess game — no chess knowledge is needed. It's a math practice adventure where chess-piece icons stand for the digits 0–9. Children decode the symbols, solve real grade-level math, and verify every answer in standard numbers.

The code starts with a simple symbol-to-number map.

  • King0King
  • Pawn1Pawn
  • Double Pawn2Double Pawn
  • Knight3Knight
  • Bishop+14Bishop+​1
  • Rook5Rook
  • Rook+16Rook+​1
  • Rook+27Rook+​2
  • Rook+Knight8Rook+​Knight
  • Queen9Queen

How It Works

Decode. Solve. Verify.

Every puzzle follows the same three-step rhythm: children translate chess symbols into numbers, solve the real math problem, then verify the answer in standard digits.

Decoding in action

Knight3Knight
Rook5Rook
Rook+Knight8Rook+Knight

01

Decode

Children translate chess symbols into numbers.

Translate symbols

02

Solve

They solve the real math problem.

Do the math

03

Verify

They check the answer in standard digits, so the learning stays visible.

Check in digits

Real gameplay — Portal Gate, the free starting island

Portal Gate activity screen from Chess 4 Math: King Mike inspects a mystery crown symbol and the child picks its matching number from the standard digits 5, 0, 8, 3, and 7.
Every puzzle ends in regular digits, so the learning stays visible.

Can you decode this puzzle?

Each chess piece stands for a number. Figure out what the pieces mean, solve the equation, then reveal the answer.

Knight
Knight
Pawn
Pawn
?

This is the core rhythm. Puzzles grow harder as the adventure continues.

Why parents choose it

  • Real math, visibly

    Place value, addition, subtraction, multiplication — and every activity ends in standard digits, so you can see the learning.

    For your child: number sense — symbols, quantities, and digits connected.

  • Puzzle, not worksheet

    The code-cracking mechanic gives kids a reason to compute. No coins, no pets, no bribes.

    For your child: patterns, logic, and a reason to explain their thinking.

  • Built for independence

    Example-first lessons — I do, we do, you do — designed so an 8–10-year-old can run it alone.

    For your child: the confidence of solving, and checking, on their own.

A growing Grade 3–4 math adventure

One adventure realm builds place value, addition, subtraction, multiplication, and early reasoning skills for grades 3–4 — starting with symbol decoding, with new islands opening as the realm grows.

The Realm of Hidden Symbols

Decode chess pieces as digits and crack your first multi-digit codes.

  • Portal Gate— the free starting island
  • Symbol Towers— rising next
  • More islands— open as the realm grows
  • Symbol Decoding
  • Place Value
  • Number Sense

Origin & Credibility

Built by a chess master, an educator — and a dad

Chess 4 Math began as Ramón Lorente's published classroom curriculum — created by a FIDE Chess Master and educator — and is now being adapted into an interactive math adventure for children.

Explore the origin story

What educators said

Students were challenged to think critically while enjoying the activities.
Rebecca EckburgK/1 Teacher · Hawthorne Elementary

Parent Questions

Questions parents actually ask

Short, honest answers — no fine print.

Is this a chess game?

No. Chess 4 Math is math practice. The chess pieces are a secret code for the digits 0–9 — there are no chess rules, moves, or strategy anywhere in the math journey.

Does my child need to know chess?

Not at all. Children only learn what each piece stands for — the simple symbol map near the top of this page — and that takes a few minutes.

Is it real math practice?

Yes. Every activity is grade-level math — place value, addition, subtraction, multiplication — and every answer is verified in standard digits, so you can see the learning.

What age or grade is it for?

It's designed around 3rd–4th grade math goals — usually ages 8–10. Younger kids can enjoy it too with a little help.

What device works best?

A tablet or a computer. The activities are built for big, touch-friendly screens — a phone is fine for this page, but not ideal for playing.

Is there advertising or a child account?

No ads and no child account. The preview runs right in the browser, and progress stays on your device.

Parent Preview

Ready for your child's first math quest?

Join the Parent Preview to be first in line as new islands open — or see the adventure for yourself with the free demo.

Free to try · No ads · No child account needed for the preview

Try the Demo

The demo plays best on a tablet or computer.