@tanjinhao | Sudoku a Day

Date	Difficulty	Time	Rank	Rating +/-
Oct 31, 2025	Easy	0:31	#1 / 34	+0.2
Nov 1, 2025	Easy	0:26	#1 / 32	+0.3
Dec 14, 2025	Easy	0:25	#5 / 42	+0.1
Dec 15, 2025	Easy	0:24	#3 / 40	+0.3
Dec 16, 2025	Easy	0:30	#4 / 36	+0.1
Dec 17, 2025	Easy	0:24	#3 / 43	+0.3
Dec 18, 2025	Easy	0:24	#5 / 44	+0.2
Dec 19, 2025	Easy	0:23	#4 / 47	+0.1
Dec 20, 2025	Easy	0:28	#4 / 40	+0.1
Dec 21, 2025	Easy	0:26	#3 / 42	+0.1
Dec 22, 2025	Easy	0:26	#2 / 41	+0.3
Dec 23, 2025	Easy	0:26	#1 / 40	+0.2
Dec 24, 2025	Easy	0:28	#3 / 42	+0.1
Dec 25, 2025	Easy	0:26	#1 / 45	+0.2
Dec 26, 2025	Easy	0:27	#1 / 36	+0.3
Dec 27, 2025	Easy	0:22	#2 / 45	+0.2
Dec 28, 2025	Easy	0:24	#6 / 51	-3.0
Dec 29, 2025	Easy	0:29	#3 / 49	+0.2
Dec 30, 2025	Easy	0:24	#3 / 47	+0.1
Dec 31, 2025	Easy	0:26	-	-3.4
Jan 1, 2026	Hard	0:57	#6 / 405	+2.4
Jan 2, 2026	Hard	0:53	#3 / 387	+2.4
Jan 3, 2026	Hard	1:37	#14 / 363	+3.1
Jan 4, 2026	Hard	1:02	-	-4.7
Feb 16, 2026	Expert	1:55	#7 / 206	+3.9
Feb 22, 2026	Expert	2:00	#14 / 281	+4.3
Feb 25, 2026	Hard	1:27	#5 / 928	+21.2
Feb 25, 2026	Expert	3:22	#58 / 496	-
Feb 26, 2026	Expert	2:53	#33 / 540	+10.2
Feb 27, 2026	Master	2:57	-	-4.7
Feb 27, 2026	Easy	0:36	-	-
Feb 28, 2026	Master	4:28	#265 / 987	-3.8
Mar 1, 2026	Expert	1:14	#10 / 684	-4.0
Mar 2, 2026	Hard	1:38	#30 / 1393	+8.6
Mar 3, 2026	Hard	1:18	#9 / 1200	+9.8
Mar 4, 2026	Hard	1:00	#19 / 1493	+6.8
Mar 5, 2026	Medium	0:40	-	-8.8
Mar 5, 2026	Hard	2:29	-	-
Mar 6, 2026	Hard	1:25	#9 / 1187	+8.0
Mar 7, 2026	Hard	1:33	#9 / 1148	-4.3
Mar 8, 2026	Hard	1:10	#11 / 1338	+6.5
Mar 9, 2026	Hard	1:48	#25 / 1201	-3.9
Mar 10, 2026	Hard	1:34	#5 / 1133	-3.9
Mar 11, 2026	Hard	1:36	#13 / 1111	+8.4
Mar 12, 2026	Hard	1:23	#10 / 1361	+7.7
Mar 13, 2026	Hard	1:44	#44 / 1423	+6.1
Mar 14, 2026	Hard	1:27	#16 / 1380	+7.1
Mar 15, 2026	Hard	1:26	#38 / 1481	-8.7
Mar 16, 2026	Hard	1:10	#20 / 1504	+5.8
Mar 17, 2026	Hard	2:07	#21 / 1151	-4.9
Mar 18, 2026	Hard	1:06	#8 / 1501	-4.3
Mar 19, 2026	Hard	1:24	#21 / 1436	+7.7
Mar 20, 2026	Hard	1:05	#23 / 1444	+5.5
Mar 21, 2026	Hard	2:25	#61 / 1274	-5.2
Mar 22, 2026	Hard	1:48	#13 / 1095	-4.3
Mar 23, 2026	Hard	1:40	#50 / 1297	+6.4
Mar 24, 2026	Hard	3:31	#31 / 746	-10.3
Mar 25, 2026	Hard	1:23	#23 / 1400	+7.2
Mar 26, 2026	Hard	1:29	#21 / 1324	+5.5
Mar 27, 2026	Hard	2:38	#66 / 1173	+6.2
Mar 28, 2026	Hard	1:20	#57 / 1518	+5.7
Mar 29, 2026	Hard	1:31	#32 / 1407	-8.4
Mar 30, 2026	Hard	1:20	#14 / 1487	+5.7
Mar 31, 2026	Hard	2:02	#37 / 1333	+5.4
Apr 1, 2026	Hard	1:32	#14 / 1380	+6.5
Apr 2, 2026	Hard	1:19	#23 / 1378	-5.2
Apr 3, 2026	Expert	3:26	#25 / 568	+8.2
Apr 4, 2026	Hard	1:26	#28 / 1455	-5.5
Apr 5, 2026	Hard	1:18	#12 / 1380	-8.2
Apr 6, 2026	Hard	0:57	#4 / 1511	+4.8
Apr 7, 2026	Hard	1:41	#65 / 1488	-4.9
Apr 8, 2026	Hard	1:37	#14 / 1311	+5.4
Apr 9, 2026	Hard	1:12	#6 / 1356	+4.4
Apr 10, 2026	Hard	1:35	#102 / 1474	-8.2
Apr 11, 2026	Hard	3:20	#66 / 1101	+3.5
Apr 12, 2026	Hard	1:15	#21 / 1461	+4.7
Apr 13, 2026	Hard	2:39	#89 / 1249	+4.2
Apr 14, 2026	Hard	3:15	#56 / 1150	+2.4
Apr 15, 2026	Hard	1:19	#11 / 1367	-4.9
Apr 16, 2026	Hard	1:22	#26 / 1389	+4.4
Apr 17, 2026	Hard	1:33	#12 / 1286	-4.9
Apr 18, 2026	Hard	2:22	#38 / 1158	-4.9
Apr 19, 2026	Hard	1:14	#6 / 1253	-4.5
Apr 20, 2026	Hard	3:25	#326 / 1331	-6.2
Apr 21, 2026	Hard	1:01	#11 / 1480	+4.5
Apr 22, 2026	Hard	2:14	#110 / 1374	+5.1
Apr 23, 2026	Hard	1:26	#10 / 1352	+5.9
Apr 24, 2026	Hard	0:55	#6 / 1470	+4.2
Apr 25, 2026	Hard	1:41	#16 / 1098	+5.0
Apr 26, 2026	Hard	1:04	#9 / 1383	+3.9
Apr 27, 2026	Hard	1:07	#5 / 1310	+3.8
Apr 28, 2026	Hard	2:32	#30 / 1101	-5.0
Apr 29, 2026	Hard	2:26	#42 / 1225	+3.8
Apr 30, 2026	Hard	1:43	#22 / 1267	+4.3
May 1, 2026	Hard	0:57	#4 / 1523	+3.7
May 2, 2026	Hard	1:44	#27 / 1333	+4.4
May 3, 2026	Hard	0:59	#5 / 1411	+3.5
May 4, 2026	Hard	1:31	#49 / 1481	+3.4
May 5, 2026	Hard	1:08	#19 / 1494	+4.2
May 6, 2026	Hard	3:34	#114 / 1150	+1.2
May 7, 2026	Hard	1:43	#14 / 1188	+4.4
May 8, 2026	Hard	1:06	#8 / 1445	+4.0
May 9, 2026	Hard	1:14	#9 / 1418	+3.2
May 10, 2026	Hard	1:37	#17 / 1367	-5.4
May 11, 2026	Hard	1:21	#22 / 1425	-5.2
May 12, 2026	Hard	1:16	#15 / 1389	+3.9
May 13, 2026	Hard	2:54	#30 / 1015	+2.2
May 14, 2026	Hard	1:45	#36 / 1429	+3.4
May 15, 2026	Hard	1:41	#76 / 1486	+3.1
May 16, 2026	Hard	1:13	#16 / 1501	+2.8
May 17, 2026	Hard	1:42	#20 / 1325	-8.1
May 18, 2026	Hard	1:11	#8 / 1449	+3.7
May 19, 2026	Hard	1:26	#24 / 1471	+3.2
May 20, 2026	Hard	1:22	#54 / 1543	+3.1
May 21, 2026	Hard	1:20	#23 / 1397	+2.6
May 22, 2026	Hard	1:15	#16 / 1380	+3.7
May 22, 2026	Expert	1:57	#7 / 551	-
May 23, 2026	Expert	1:36	#10 / 715	+4.3
May 24, 2026	Expert	2:18	#20 / 615	+4.5
May 25, 2026	Expert	1:58	#17 / 666	-5.3
May 26, 2026	Expert	3:56	#23 / 461	-9.5
May 27, 2026	Expert	3:02	#12 / 499	+3.6
May 28, 2026	Hard	1:57	-	-5.7
May 29, 2026	Medium	0:51	-	-5.4
May 30, 2026	Medium	0:53	-	-5.6
May 31, 2026	Medium	0:55	-	-5.5
Jun 1, 2026	Medium	0:46	#11 / 1342	+1.2
Jun 2, 2026	Medium	0:53	#9 / 1286	+1.2
Jun 3, 2026	Medium	0:46	#14 / 1365	+1.1
Jun 4, 2026	Medium	0:53	#9 / 1269	+1.2
Jun 5, 2026	Medium	0:57	#9 / 1248	+1.1
Jun 6, 2026	Medium	0:50	#10 / 1288	+0.8
Jun 7, 2026	Medium	0:47	#11 / 1322	+1.2
Jun 8, 2026	Medium	0:51	#16 / 1337	+1.0
Jun 9, 2026	Medium	0:39	#3 / 1322	+0.9
Jun 10, 2026	Medium	0:32	#2 / 1342	+0.9
Jun 11, 2026	Medium	0:51	#3 / 1206	+1.1
Jun 12, 2026	Medium	0:57	#9 / 1242	-5.1
Jun 13, 2026	Medium	0:45	#2 / 1150	+1.4
Jun 14, 2026	Medium	0:30	#1 / 1350	+0.9
Jun 15, 2026	Medium	1:04	#5 / 1082	+1.2
Jun 16, 2026	Medium	0:58	#10 / 1344	+1.1
Jun 17, 2026	Medium	0:47	#5 / 1249	+1.1
Jun 18, 2026	Medium	0:42	#3 / 1273	+1.3
Jun 19, 2026	Medium	0:47	#8 / 1226	+1.0
Jun 20, 2026	Medium	0:53	#9 / 1242	-4.8
Jun 21, 2026	Medium	0:44	#11 / 1318	+0.8
Jun 22, 2026	Medium	0:39	#3 / 1326	+0.8
Jun 23, 2026	Medium	0:43	#7 / 1262	+0.8
Jun 24, 2026	Medium	0:40	#2 / 1303	+1.1
Jun 25, 2026	Medium	0:36	#8 / 1330	+0.9
Jun 26, 2026	Medium	0:48	#10 / 1263	+1.1
Jun 27, 2026	Medium	0:52	#5 / 1175	+1.3
Jun 28, 2026	Hard	1:07	#13 / 1356	+2.9
Jun 29, 2026	Hard	1:23	#36 / 1373	+3.5
Jun 30, 2026	Hard	3:35	#98 / 1052	-6.4
Jul 1, 2026	Expert	2:16	#6 / 559	+5.1
Jul 2, 2026	Master	5:35	#337 / 895	+1.2
Jul 3, 2026	Master	5:51	#184 / 778	-8.9
Jul 4, 2026	Master	3:06	#163 / 969	+4.5
Jul 5, 2026	Master	1:56	#68 / 1014	+5.0
Jul 6, 2026	Master	4:26	#191 / 882	+2.7
Jul 7, 2026	Master	4:43	#101 / 615	-8.8
Jul 8, 2026	Expert	3:12	-	-7.4
Jul 9, 2026	Expert	5:16	#99 / 523	+2.3
Jul 10, 2026	Expert	4:33	#48 / 394	-6.9
Jul 11, 2026	Expert	1:47	#12 / 632	-6.4
Jul 12, 2026	Expert	3:04	#27 / 629	-3.8
Jul 13, 2026	Expert	3:25	#57 / 624	+3.6
Jul 14, 2026	Expert	1:22	#9 / 716	+4.3
Jul 15, 2026	Expert	3:50	#41 / 549	-6.6
Jul 16, 2026	Expert	1:58	#21 / 693	-3.8
Jul 17, 2026	Expert	1:22	#8 / 717	+4.4
Jul 18, 2026	Expert	1:45	#6 / 604	+5.2
Jul 19, 2026	Expert	6:30	#87 / 405	+0.6
Jul 20, 2026	Expert	3:38	#57 / 591	+3.5
Jul 21, 2026	Expert	4:22	#59 / 540	-6.6
Jul 22, 2026	Expert	3:44	#86 / 628	+4.1
Jul 23, 2026	Expert	1:50	#12 / 554	+5.3
Jul 24, 2026	Expert	2:27	#57 / 690	+4.5
Jul 25, 2026	Expert	2:46	#41 / 646	-4.3
Jul 26, 2026	Hard	1:21	-	-6.1
Jul 27, 2026	Expert	3:46	#54 / 603	+3.1
Jul 28, 2026	Hard	1:13	#28 / 1447	+2.3
Jul 29, 2026	Hard	1:39	#12 / 1159	+3.2
Jul 30, 2026	Hard	1:48	#23 / 1220	+2.8
Jul 31, 2026	Hard	1:23	#25 / 1318	+2.1
Jul 31, 2026	Expert	2:19	#13 / 596	-
Aug 1, 2026	Easy	0:22	#2 / 482	+0.1
Aug 2, 2026	Easy	0:29	#3 / 422	+0.1
Aug 3, 2026	Hard	1:12	-	-4.6
Aug 4, 2026	Easy	0:39	#5 / 370	-
Aug 5, 2026	Easy	0:25	#1 / 417	+0.1
Aug 6, 2026	Easy	0:33	-	-6.1
Aug 7, 2026	Easy	0:26	#2 / 385	+0.1
Aug 8, 2026	Easy	0:28	#4 / 401	+0.2
Aug 9, 2026	Easy	0:30	#2 / 366	+0.2
Aug 10, 2026	Easy	0:25	#2 / 410	+0.2
Aug 11, 2026	Easy	0:25	#1 / 391	+0.3
Aug 12, 2026	Easy	0:23	#1 / 436	+0.2

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