Daily puzzle

One position a day, from a game somebody actually played. Find the move that ends it.

TodayConnect6medium

The winning square

White to play and win — six in a row.

The archive

Gomokuhard

Don't rush it

19 Aug 2026

Connect 4easy

One move, no more

18 Aug 2026

A1, emptyB1, emptyC1, emptyD1, emptyE1, emptyF1, emptyG1, emptyH1, RedI1, emptyJ1, emptyK1, emptyA2, emptyB2, emptyC2, emptyD2, emptyE2, emptyF2, emptyG2, RedH2, emptyI2, emptyJ2, emptyK2, emptyA3, emptyB3, emptyC3, emptyD3, emptyE3, emptyF3, BlueG3, RedH3, RedI3, emptyJ3, emptyK3, emptyA4, emptyB4, emptyC4, emptyD4, emptyE4, emptyF4, BlueG4, BlueH4, RedI4, emptyJ4, emptyK4, emptyA5, emptyB5, emptyC5, emptyD5, emptyE5, BlueF5, BlueG5, BlueH5, RedI5, BlueJ5, emptyK5, emptyA6, emptyB6, BlueC6, BlueD6, BlueE6, RedF6, RedG6, RedH6, BlueI6, emptyJ6, emptyK6, emptyA7, emptyB7, emptyC7, emptyD7, emptyE7, RedF7, BlueG7, emptyH7, emptyI7, emptyJ7, emptyK7, emptyA8, emptyB8, emptyC8, emptyD8, emptyE8, RedF8, emptyG8, emptyH8, emptyI8, emptyJ8, emptyK8, emptyA9, emptyB9, emptyC9, emptyD9, RedE9, emptyF9, emptyG9, emptyH9, emptyI9, emptyJ9, emptyK9, emptyA10, emptyB10, emptyC10, emptyD10, RedE10, emptyF10, emptyG10, emptyH10, emptyI10, emptyJ10, emptyK10, emptyA11, emptyB11, emptyC11, BlueD11, emptyE11, emptyF11, emptyG11, emptyH11, emptyI11, emptyJ11, emptyK11, empty
Hexmedium

See it through

17 Aug 2026

Pentehard

Find the finish

16 Aug 2026

Gomokumedium

The last stone

15 Aug 2026

Connect 4hard

Sitting there all along

14 Aug 2026

A1, emptyB1, emptyC1, emptyD1, emptyE1, emptyF1, emptyG1, emptyH1, emptyI1, emptyJ1, emptyK1, emptyA2, emptyB2, emptyC2, emptyD2, emptyE2, emptyF2, emptyG2, emptyH2, emptyI2, emptyJ2, emptyK2, emptyA3, emptyB3, emptyC3, emptyD3, emptyE3, emptyF3, emptyG3, emptyH3, emptyI3, emptyJ3, emptyK3, emptyA4, emptyB4, emptyC4, emptyD4, emptyE4, emptyF4, emptyG4, emptyH4, emptyI4, emptyJ4, emptyK4, emptyA5, emptyB5, emptyC5, BlueD5, BlueE5, BlueF5, BlueG5, BlueH5, BlueI5, BlueJ5, BlueK5, BlueA6, RedB6, BlueC6, RedD6, RedE6, RedF6, RedG6, RedH6, RedI6, RedJ6, emptyK6, emptyA7, emptyB7, emptyC7, emptyD7, emptyE7, emptyF7, RedG7, emptyH7, emptyI7, emptyJ7, emptyK7, emptyA8, emptyB8, emptyC8, emptyD8, emptyE8, emptyF8, RedG8, emptyH8, emptyI8, emptyJ8, emptyK8, emptyA9, emptyB9, emptyC9, emptyD9, emptyE9, emptyF9, RedG9, emptyH9, emptyI9, emptyJ9, emptyK9, emptyA10, emptyB10, emptyC10, emptyD10, emptyE10, emptyF10, emptyG10, emptyH10, emptyI10, emptyJ10, emptyK10, emptyA11, emptyB11, emptyC11, emptyD11, emptyE11, emptyF11, emptyG11, emptyH11, emptyI11, emptyJ11, emptyK11, empty
Hexmedium

Read to the end

13 Aug 2026

Pentemedium

Count again

12 Aug 2026

Connect6medium

The quiet winner

11 Aug 2026

Gomokuhard

One square from home

10 Aug 2026

Connect 4medium

Finish the job

9 Aug 2026

The whole archive is part of Tessera Pro

Every position published so far, replayable as often as you like.

See Pro