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Mate in One Puzzle of the Day: From Rated Lichess Games

One mate-in-one exercise a day, chosen by a fixed rule from the 50 exercises of our collection, which our code made from positions in rated Lichess games. The puzzle changes at 00:00 UTC. Every exercise comes once before any comes again.

Today's puzzle appears here when JavaScript is on, because the page reads today's date from your device. Without it, find today's date (UTC) in the schedule below: each day links to its exercise.

The puzzle changes at 00:00 UTC. All exercises by month

How the puzzle of the day is chosen

Schedule, Mon 19 Oct 2026 to Tue 26 Jan 2027 (UTC)

Day (UTC)Exercise
Mon 19 Oct 2026Black to move (m1-f62ab23f6f)
Tue 20 Oct 2026Black to move (m1-e52008b11f)
Wed 21 Oct 2026White to move (m1-d8df373105)
Thu 22 Oct 2026White to move (m1-050300b669)
Fri 23 Oct 2026White to move (m1-dcb3694681)
Sat 24 Oct 2026White to move (m1-6893ce3e50)
Sun 25 Oct 2026White to move (m1-202a247c21)
Mon 26 Oct 2026White to move (m1-09cfd4318e)
Tue 27 Oct 2026White to move (m1-4d0e3812be)
Wed 28 Oct 2026Black to move (m1-fd1319a83e)
Thu 29 Oct 2026White to move (m1-6d1a0e4bea)
Fri 30 Oct 2026White to move (m1-11071ae301)
Sat 31 Oct 2026Black to move (m1-7b34d98c3e)
Sun 1 Nov 2026Black to move (m1-60b04dbd42)
Mon 2 Nov 2026Black to move (m1-930ab8e517)
Tue 3 Nov 2026Black to move (m1-825069f08e)
Wed 4 Nov 2026Black to move (m1-fbb1d74736)
Thu 5 Nov 2026White to move (m1-c95fb9ad23)
Fri 6 Nov 2026White to move (m1-6c9fad512d)
Sat 7 Nov 2026Black to move (m1-97a8ed2065)
Sun 8 Nov 2026White to move (m1-c7b8fe7f29)
Mon 9 Nov 2026White to move (m1-806a639d98)
Tue 10 Nov 2026Black to move (m1-fbccb4f8db)
Wed 11 Nov 2026Black to move (m1-d75d5b3181)
Thu 12 Nov 2026Black to move (m1-1919cbd06a)
Fri 13 Nov 2026White to move (m1-5ede2c3564)
Sat 14 Nov 2026White to move (m1-b98bdd7cb8)
Sun 15 Nov 2026Black to move (m1-b36b950c02)
Mon 16 Nov 2026White to move (m1-0c6b51ba87)
Tue 17 Nov 2026White to move (m1-cbeee94df5)
Wed 18 Nov 2026Black to move (m1-45b21c408a)
Thu 19 Nov 2026White to move (m1-578242fd50)
Fri 20 Nov 2026Black to move (m1-3c7a5da803)
Sat 21 Nov 2026Black to move (m1-b98aa067ac)
Sun 22 Nov 2026White to move (m1-6db4c3b70c)
Mon 23 Nov 2026Black to move (m1-728aae278c)
Tue 24 Nov 2026Black to move (m1-304789fd3e)
Wed 25 Nov 2026White to move (m1-1ac51c3ecb)
Thu 26 Nov 2026White to move (m1-f13c6f422d)
Fri 27 Nov 2026Black to move (m1-a98b9de1fe)
Sat 28 Nov 2026Black to move (m1-795ebe1abf)
Sun 29 Nov 2026White to move (m1-de6d4adffa)
Mon 30 Nov 2026White to move (m1-2be19a0cb6)
Tue 1 Dec 2026White to move (m1-feefd105c4)
Wed 2 Dec 2026Black to move (m1-ee01c41e01)
Thu 3 Dec 2026Black to move (m1-c639b6bcb2)
Fri 4 Dec 2026White to move (m1-d653db2185)
Sat 5 Dec 2026Black to move (m1-3e1d77a430)
Sun 6 Dec 2026Black to move (m1-2e9854753d)
Mon 7 Dec 2026Black to move (m1-2ecb4da20a)
Tue 8 Dec 2026Black to move (m1-f62ab23f6f)
Wed 9 Dec 2026Black to move (m1-e52008b11f)
Thu 10 Dec 2026White to move (m1-d8df373105)
Fri 11 Dec 2026White to move (m1-050300b669)
Sat 12 Dec 2026White to move (m1-dcb3694681)
Sun 13 Dec 2026White to move (m1-6893ce3e50)
Mon 14 Dec 2026White to move (m1-202a247c21)
Tue 15 Dec 2026White to move (m1-09cfd4318e)
Wed 16 Dec 2026White to move (m1-4d0e3812be)
Thu 17 Dec 2026Black to move (m1-fd1319a83e)
Fri 18 Dec 2026White to move (m1-6d1a0e4bea)
Sat 19 Dec 2026White to move (m1-11071ae301)
Sun 20 Dec 2026Black to move (m1-7b34d98c3e)
Mon 21 Dec 2026Black to move (m1-60b04dbd42)
Tue 22 Dec 2026Black to move (m1-930ab8e517)
Wed 23 Dec 2026Black to move (m1-825069f08e)
Thu 24 Dec 2026Black to move (m1-fbb1d74736)
Fri 25 Dec 2026White to move (m1-c95fb9ad23)
Sat 26 Dec 2026White to move (m1-6c9fad512d)
Sun 27 Dec 2026Black to move (m1-97a8ed2065)
Mon 28 Dec 2026White to move (m1-c7b8fe7f29)
Tue 29 Dec 2026White to move (m1-806a639d98)
Wed 30 Dec 2026Black to move (m1-fbccb4f8db)
Thu 31 Dec 2026Black to move (m1-d75d5b3181)
Fri 1 Jan 2027Black to move (m1-1919cbd06a)
Sat 2 Jan 2027White to move (m1-5ede2c3564)
Sun 3 Jan 2027White to move (m1-b98bdd7cb8)
Mon 4 Jan 2027Black to move (m1-b36b950c02)
Tue 5 Jan 2027White to move (m1-0c6b51ba87)
Wed 6 Jan 2027White to move (m1-cbeee94df5)
Thu 7 Jan 2027Black to move (m1-45b21c408a)
Fri 8 Jan 2027White to move (m1-578242fd50)
Sat 9 Jan 2027Black to move (m1-3c7a5da803)
Sun 10 Jan 2027Black to move (m1-b98aa067ac)
Mon 11 Jan 2027White to move (m1-6db4c3b70c)
Tue 12 Jan 2027Black to move (m1-728aae278c)
Wed 13 Jan 2027Black to move (m1-304789fd3e)
Thu 14 Jan 2027White to move (m1-1ac51c3ecb)
Fri 15 Jan 2027White to move (m1-f13c6f422d)
Sat 16 Jan 2027Black to move (m1-a98b9de1fe)
Sun 17 Jan 2027Black to move (m1-795ebe1abf)
Mon 18 Jan 2027White to move (m1-de6d4adffa)
Tue 19 Jan 2027White to move (m1-2be19a0cb6)
Wed 20 Jan 2027White to move (m1-feefd105c4)
Thu 21 Jan 2027Black to move (m1-ee01c41e01)
Fri 22 Jan 2027Black to move (m1-c639b6bcb2)
Sat 23 Jan 2027White to move (m1-d653db2185)
Sun 24 Jan 2027Black to move (m1-3e1d77a430)
Mon 25 Jan 2027Black to move (m1-2e9854753d)
Tue 26 Jan 2027Black to move (m1-2ecb4da20a)

After Tue 26 Jan 2027 the rule goes on in the same way: the next cycle holds every exercise published at least 2 days before it starts. The page with JavaScript on always shows the day's exercise.

All exercises by month: Mate in one. How they are chosen: the rules and How it works.