@colin | Sudoku a Day

Date	Difficulty	Time	Rank	Rating +/-
Aug 30, 2026	Expert	1:18	#4 / 591	+6.6
Aug 29, 2026	Expert	1:08	#1 / 451	+6.8
Aug 28, 2026	Expert	1:38	-	-0.6
Aug 27, 2026	Expert	1:43	#9 / 687	+6.7
Aug 26, 2026	Expert	1:45	#3 / 574	-3.5
Aug 25, 2026	Expert	1:41	#1 / 615	-3.2
Aug 24, 2026	Expert	1:31	-	-2.7
Aug 23, 2026	Expert	1:24	#3 / 537	-3.7
Aug 22, 2026	Expert	1:21	-	-4.5
Aug 21, 2026	Expert	2:08	#13 / 642	-3.8
Aug 20, 2026	Expert	1:22	#3 / 587	-3.8
Aug 19, 2026	Expert	1:12	#5 / 737	-4.3
Aug 18, 2026	Expert	1:06	-	-4.2
Aug 17, 2026	Expert	1:26	#5 / 605	-4.1
Aug 15, 2026	Expert	1:27	-	-3.6
Aug 14, 2026	Expert	1:12	#5 / 654	+6.7
Aug 13, 2026	Expert	1:28	#3 / 442	-4.5
Aug 12, 2026	Expert	1:26	-	-3.6
Aug 11, 2026	Expert	0:51	-	-4.8
Aug 10, 2026	Expert	0:53	#1 / 719	-1.6
Aug 9, 2026	Expert	1:09	-	-1.7
Aug 8, 2026	Expert	1:03	#2 / 652	-3.9
Aug 7, 2026	Expert	1:28	#3 / 570	-3.6
Aug 6, 2026	Expert	1:33	#7 / 657	-1.9
Aug 5, 2026	Expert	0:52	-	-4.0
Aug 4, 2026	Expert	1:18	#3 / 576	-1.4
Aug 3, 2026	Expert	1:27	#4 / 625	+7.0
Aug 2, 2026	Expert	1:14	#5 / 730	+5.7
Aug 1, 2026	Expert	1:08	#4 / 687	+7.0
Jul 31, 2026	Expert	1:39	#7 / 595	+6.2
Jul 30, 2026	Expert	1:41	-	-1.3
Jul 29, 2026	Expert	1:42	-	-6.0
Jul 28, 2026	Expert	2:00	#10 / 551	+7.2
Jul 26, 2026	Expert	1:08	-	-3.7
Jul 25, 2026	Expert	2:23	#18 / 645	+5.5
Jul 24, 2026	Expert	1:27	#7 / 689	+7.2
Jul 23, 2026	Expert	1:09	-	-4.9
Jul 22, 2026	Expert	1:09	#2 / 627	-1.0
Jul 21, 2026	Expert	1:22	#2 / 539	-3.3
Jul 20, 2026	Expert	1:16	-	-1.8
Jul 19, 2026	Expert	1:36	-	-5.2
Jul 18, 2026	Expert	1:07	#1 / 604	-1.2
Jul 17, 2026	Expert	1:09	#3 / 717	-1.7
Jul 16, 2026	Expert	1:00	-	-2.0
Jul 15, 2026	Expert	2:00	#6 / 549	-2.4
Jul 14, 2026	Expert	1:19	#8 / 716	+5.9
Jul 13, 2026	Expert	1:17	#2 / 623	-5.3
Jul 12, 2026	Expert	1:10	-	-4.0
Jul 11, 2026	Expert	1:07	#1 / 632	-1.6
Jul 10, 2026	Expert	1:27	#2 / 393	-5.3
Jul 9, 2026	Expert	1:14	-	-5.2
Jul 7, 2026	Expert	1:10	-	-2.8
Jul 6, 2026	Expert	1:36	#3 / 559	-4.7
Jul 5, 2026	Expert	1:35	#5 / 634	+5.3
Jul 4, 2026	Expert	2:07	-	-2.9
Jul 3, 2026	Expert	1:33	#3 / 608	+5.8
Jul 2, 2026	Expert	1:06	#1 / 557	-2.4
Jul 1, 2026	Expert	2:00	#1 / 558	+6.9
Jun 30, 2026	Expert	1:02	-	-4.9
Jun 29, 2026	Expert	1:14	#1 / 440	-5.7
Jun 28, 2026	Expert	1:49	#8 / 597	+6.1
Jun 27, 2026	Expert	1:19	#2 / 555	-2.1
Jun 26, 2026	Expert	1:36	#4 / 566	+6.4
Jun 25, 2026	Expert	1:12	-	-6.5
Jun 24, 2026	Expert	1:11	#1 / 521	+5.1
Jun 23, 2026	Expert	1:20	-	-2.7
Jun 22, 2026	Expert	0:52	-	-6.2
Jun 21, 2026	Expert	1:15	#1 / 629	-2.0
Jun 20, 2026	Expert	1:04	#3 / 699	+5.8
Jun 19, 2026	Expert	1:20	#2 / 633	+5.9
Jun 18, 2026	Expert	1:14	#1 / 506	-5.9
Jun 17, 2026	Expert	1:28	-	-
Jun 16, 2026	Expert	1:50	#5 / 551	+5.6
Jun 15, 2026	Expert	1:06	#1 / 483	-5.9
Jun 14, 2026	Expert	1:00	#1 / 438	-4.8
Jun 13, 2026	Expert	1:52	#4 / 596	+5.9
Jun 12, 2026	Expert	2:06	#3 / 494	+6.3
Jun 11, 2026	Expert	1:53	#2 / 570	+7.0
Jun 10, 2026	Expert	1:29	-	-2.2
Jun 9, 2026	Expert	1:35	#7 / 673	+6.9
Jun 8, 2026	Expert	1:08	#4 / 583	-5.9
Jun 7, 2026	Expert	1:16	-	-2.6
Jun 6, 2026	Expert	2:00	#3 / 572	+5.8
Jun 5, 2026	Expert	1:53	#26 / 715	+6.0
Jun 4, 2026	Expert	1:22	-	-7.0
Jun 2, 2026	Expert	1:06	#2 / 675	-5.0
Jun 1, 2026	Expert	1:13	-	-3.1
May 31, 2026	Expert	1:32	#3 / 636	+6.4
May 30, 2026	Expert	1:02	-	-6.8
May 29, 2026	Expert	1:24	#7 / 723	+5.9
May 28, 2026	Expert	2:11	#4 / 403	-
May 28, 2026	Medium	0:31	#1 / 1178	+1.8
May 27, 2026	Expert	1:49	#7 / 499	+3.5
May 26, 2026	Expert	1:48	#2 / 461	+6.5
May 25, 2026	Expert	1:42	#10 / 666	-5.1
May 24, 2026	Expert	1:49	#9 / 615	+6.9
May 23, 2026	Expert	1:21	#4 / 715	+6.5
May 22, 2026	Expert	1:23	#2 / 551	+6.7
May 21, 2026	Expert	1:12	-	+6.6
May 20, 2026	Expert	1:39	#7 / 673	+6.8
May 19, 2026	Expert	0:57	#1 / 383	-4.1
May 18, 2026	Expert	1:16	-	-1.2
May 17, 2026	Expert	1:27	-	-5.8
May 16, 2026	Expert	0:54	-	-7.9
May 15, 2026	Expert	1:13	#1 / 637	+7.5
May 14, 2026	Expert	1:12	#2 / 563	-6.1
May 13, 2026	Expert	1:37	#8 / 598	+7.1
May 12, 2026	Expert	1:47	#7 / 537	-4.7
May 11, 2026	Expert	1:47	-	-5.9
May 10, 2026	Expert	1:58	#5 / 467	+7.7
May 9, 2026	Expert	1:08	#3 / 681	+7.6
May 8, 2026	Expert	1:46	-	-6.2
May 7, 2026	Expert	1:46	-	-4.0
May 6, 2026	Expert	1:33	-	-6.1
May 5, 2026	Master	7:28	-	-9.8
May 4, 2026	Expert	2:41	#30 / 606	-0.1
May 3, 2026	Expert	1:55	#4 / 526	+9.3
May 2, 2026	Expert	1:29	-	-0.6
May 1, 2026	Expert	1:03	#2 / 520	+8.9
Apr 30, 2026	Expert	1:52	-	+10.3
Apr 29, 2026	Expert	1:10	-	-4.9
Apr 28, 2026	Expert	1:14	#2 / 665	+9.9
Apr 27, 2026	Expert	1:58	-	-1.4
Apr 26, 2026	Expert	1:10	#1 / 692	+10.8
Apr 25, 2026	Expert	1:33	#3 / 609	+10.1
Apr 24, 2026	Expert	1:54	-	+9.5
Apr 23, 2026	Expert	1:10	-	-5.3
Apr 22, 2026	Hard	1:32	-	-9.4
Apr 21, 2026	Expert	1:28	-	-4.1
Apr 20, 2026	Hard	1:15	-	-
Apr 19, 2026	Expert	1:44	-	+9.3
Apr 18, 2026	Expert	1:27	-	-4.4
Apr 17, 2026	Expert	1:58	#7 / 556	+11.9
Apr 16, 2026	Expert	2:04	#21 / 582	+0.2
Apr 15, 2026	Expert	2:02	-	-6.4
Apr 14, 2026	Expert	1:20	-	-1.1
Apr 13, 2026	Easy	0:35	-	-4.1
Apr 13, 2026	Expert	2:44	-	-
Apr 12, 2026	Expert	2:29	#28 / 601	+11.2
Apr 11, 2026	Expert	2:33	-	-4.8
Apr 10, 2026	Expert	2:11	#7 / 358	-3.4
Apr 9, 2026	Expert	1:33	-	+10.7
Apr 8, 2026	Expert	1:27	#8 / 748	+10.6
Apr 7, 2026	Expert	1:22	#14 / 730	+11.1
Apr 6, 2026	Expert	2:05	#22 / 691	+4.9
Apr 5, 2026	Expert	1:25	-	+0.5
Apr 4, 2026	Expert	1:47	-	-7.6
Apr 3, 2026	Expert	2:35	-	-7.6
Apr 2, 2026	Hard	1:38	#55 / 1377	+2.9
Apr 1, 2026	Hard	1:17	-	-4.7

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