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

6 Sept 2026

Connect 4easy

One move, no more

5 Sept 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

4 Sept 2026

Pentehard

Find the finish

3 Sept 2026

Gomokumedium

The last stone

2 Sept 2026

Connect 4hard

Sitting there all along

1 Sept 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

31 Aug 2026

Pentemedium

Count again

30 Aug 2026

Connect6medium

The quiet winner

29 Aug 2026

Gomokuhard

One square from home

28 Aug 2026

Connect 4medium

Finish the job

27 Aug 2026

The whole archive is part of Tessera Pro

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

See Pro