@piotrek | Sudoku a Day

Date	Difficulty	Time	Rank	Rating +/-
Sep 1, 2026	Expert	4:58	#105 / 384	-0.9
Aug 30, 2026	Expert	3:28	#127 / 626	+5.5
Aug 29, 2026	Expert	5:49	#95 / 467	-3.2
Aug 27, 2026	Expert	7:38	#407 / 692	+1.6
Aug 26, 2026	Expert	7:20	#224 / 579	-3.5
Aug 25, 2026	Expert	10:03	#390 / 620	-4.3
Aug 23, 2026	Expert	5:47	#120 / 545	-1.5
Aug 22, 2026	Expert	6:58	#244 / 630	+2.4
Aug 21, 2026	Expert	5:01	#182 / 645	-1.0
Aug 20, 2026	Expert	6:33	#194 / 591	+3.1
Aug 19, 2026	Expert	3:54	#236 / 742	+5.0
Aug 18, 2026	Hard	5:10	#400 / 1134	-4.6
Aug 17, 2026	Hard	5:31	#357 / 1152	+0.7
Aug 16, 2026	Hard	3:45	#454 / 1346	-2.4
Aug 15, 2026	Hard	4:28	#510 / 1375	+1.7
Aug 14, 2026	Hard	5:59	#599 / 1277	-3.9
Aug 13, 2026	Hard	3:58	#228 / 1286	+2.3
Aug 12, 2026	Hard	4:22	#349 / 1264	+1.8
Aug 11, 2026	Hard	2:07	#217 / 1448	+3.6
Aug 10, 2026	Hard	4:27	#253 / 1252	+1.3
Aug 9, 2026	Hard	4:10	#339 / 1305	+1.8
Aug 8, 2026	Hard	3:55	#250 / 1272	+2.9
Aug 7, 2026	Hard	4:04	#246 / 1142	-2.7
Aug 6, 2026	Hard	7:15	#185 / 711	-3.8
Aug 5, 2026	Hard	2:54	#273 / 1316	+4.3
Aug 4, 2026	Hard	1:49	#132 / 1411	-1.6
Aug 3, 2026	Hard	2:21	#122 / 1354	+4.5
Aug 2, 2026	Hard	4:37	#243 / 1194	-2.5
Aug 1, 2026	Hard	2:24	#160 / 1392	+5.1
Jul 31, 2026	Hard	2:10	#95 / 1322	+3.8
Jul 30, 2026	Hard	2:58	#139 / 1224	+4.0
Jul 29, 2026	Hard	4:04	#159 / 1166	-2.0
Jul 28, 2026	Hard	1:54	#110 / 1451	+4.0
Jul 27, 2026	Hard	2:59	#209 / 1323	+3.0
Jul 26, 2026	Hard	3:52	#335 / 1275	+2.9
Jul 25, 2026	Hard	2:32	#238 / 1361	-0.8
Jul 24, 2026	Hard	5:09	#372 / 1164	-3.3
Jul 23, 2026	Hard	4:14	#575 / 1344	+1.3
Jul 22, 2026	Hard	2:16	#213 / 1356	+5.2
Jul 21, 2026	Hard	4:50	#267 / 1113	+1.8
Jul 20, 2026	Hard	5:38	#338 / 1149	-3.3
Jul 19, 2026	Hard	4:30	#497 / 1226	-3.0
Jul 18, 2026	Hard	6:51	#388 / 997	-4.2
Jul 17, 2026	Hard	2:45	#270 / 1324	+3.4
Jul 16, 2026	Hard	2:42	#137 / 1315	+4.4
Jul 15, 2026	Hard	7:44	#384 / 943	-5.5
Jul 14, 2026	Hard	3:04	#163 / 1218	+4.4
Jul 13, 2026	Hard	6:16	#397 / 1058	-4.0
Jul 12, 2026	Hard	6:46	#937 / 1299	-4.4
Jul 11, 2026	Hard	3:11	#470 / 1413	+3.5
Jul 10, 2026	Hard	6:03	#571 / 1215	-0.8
Jul 9, 2026	Hard	8:50	#450 / 989	-3.3
Jul 8, 2026	Hard	3:45	#595 / 1387	+2.1
Jul 7, 2026	Hard	2:25	#184 / 1416	+4.4
Jul 6, 2026	Hard	2:31	#216 / 1391	-3.7
Jul 5, 2026	Hard	3:20	#211 / 1272	-1.9
Jul 4, 2026	Hard	4:27	#519 / 1351	+0.9
Jul 3, 2026	Hard	5:02	#359 / 1240	-3.2
Jul 2, 2026	Hard	5:16	#450 / 1237	+0.7
Jul 1, 2026	Hard	3:22	#292 / 1401	-2.3
Jun 30, 2026	Hard	5:27	#244 / 1055	-5.3
Jun 29, 2026	Hard	4:02	#562 / 1376	-2.5
Jun 28, 2026	Hard	3:28	#391 / 1358	+2.9
Jun 27, 2026	Hard	4:33	#149 / 1021	-3.1
Jun 26, 2026	Hard	4:25	#360 / 1320	-3.0
Jun 25, 2026	Hard	6:08	#382 / 1162	-4.3
Jun 24, 2026	Hard	2:29	#365 / 1488	+4.1
Jun 23, 2026	Hard	2:01	#222 / 1461	+5.4
Jun 22, 2026	Hard	2:17	#160 / 1447	+4.6
Jun 21, 2026	Hard	4:30	#417 / 1290	+1.2
Jun 20, 2026	Hard	2:34	#193 / 1471	-2.1
Jun 19, 2026	Hard	3:39	#153 / 1231	+3.6
Jun 18, 2026	Hard	2:13	#285 / 1491	-1.3
Jun 17, 2026	Hard	4:58	#596 / 1394	-3.5
Jun 16, 2026	Hard	2:33	#527 / 1550	+4.5
Jun 15, 2026	Hard	3:33	#165 / 1291	+4.1
Jun 14, 2026	Hard	2:34	#311 / 1445	+4.4
Jun 13, 2026	Hard	7:13	#607 / 1234	-6.3
Jun 12, 2026	Hard	5:23	#195 / 1002	+0.3
Jun 11, 2026	Hard	2:26	#219 / 1454	+4.4
Jun 10, 2026	Hard	4:57	#259 / 1194	+0.7
Jun 9, 2026	Hard	2:57	#289 / 1446	+4.2
Jun 8, 2026	Hard	2:31	#266 / 1496	+5.8
Jun 7, 2026	Hard	2:42	#448 / 1502	-2.0
Jun 6, 2026	Hard	3:42	#541 / 1445	-4.1
Jun 5, 2026	Hard	6:11	-	-6.8
Jun 4, 2026	Hard	8:50	#841 / 1286	-6.1
Jun 3, 2026	Hard	2:29	#165 / 1507	+6.7
Jun 2, 2026	Hard	3:14	#444 / 1518	-2.5
Jun 1, 2026	Hard	2:09	#215 / 1520	-0.9
May 31, 2026	Hard	4:31	#693 / 1412	-3.8
May 30, 2026	Hard	3:07	#159 / 1290	+5.4
May 29, 2026	Hard	10:35	#712 / 1130	-4.7
May 28, 2026	Hard	12:59	#861 / 1107	-7.4
May 27, 2026	Hard	4:22	#241 / 1234	+2.8
May 26, 2026	Hard	3:47	#512 / 1402	+3.6
May 25, 2026	Hard	4:16	#434 / 1411	+2.7
May 24, 2026	Hard	3:50	#444 / 1427	-3.4
May 23, 2026	Hard	1:56	#171 / 1521	+5.4
May 22, 2026	Hard	2:46	#197 / 1382	-1.7
May 21, 2026	Hard	4:44	#572 / 1399	+0.9
May 20, 2026	Hard	4:08	#908 / 1546	+2.9
May 19, 2026	Hard	4:39	#803 / 1475	+1.9
May 18, 2026	Hard	3:28	#339 / 1453	+5.0
May 17, 2026	Hard	4:08	#244 / 1328	+4.1
May 16, 2026	Hard	3:07	#330 / 1505	+4.9
May 15, 2026	Hard	4:21	#851 / 1490	+2.9
May 14, 2026	Hard	3:40	#307 / 1431	+5.0
May 13, 2026	Hard	7:40	#387 / 1016	-2.1
May 12, 2026	Hard	3:22	#241 / 1392	+6.0
May 11, 2026	Hard	3:07	#282 / 1430	+6.9
May 10, 2026	Hard	7:35	#809 / 1370	-5.1
May 9, 2026	Hard	4:38	#563 / 1422	+2.4
May 8, 2026	Hard	3:17	#475 / 1448	+6.5
May 7, 2026	Hard	5:59	#365 / 1192	+1.0
May 6, 2026	Hard	5:30	#341 / 1155	-3.6
May 5, 2026	Hard	2:51	#433 / 1498	-0.8
May 4, 2026	Hard	2:54	#292 / 1487	+6.7
May 3, 2026	Hard	4:28	#556 / 1415	+3.0
May 2, 2026	Hard	2:41	#118 / 1340	+9.2
May 1, 2026	Hard	2:30	#263 / 1528	+7.6
Apr 30, 2026	Hard	7:16	#605 / 1272	-0.5
Apr 29, 2026	Hard	9:10	#775 / 1232	-5.9
Apr 28, 2026	Hard	8:27	#592 / 1105	-2.0
Apr 27, 2026	Hard	6:26	#730 / 1313	-5.0
Apr 26, 2026	Hard	4:56	#685 / 1389	+2.1
Apr 25, 2026	Hard	13:09	#884 / 1099	-7.0
Apr 24, 2026	Hard	3:32	#785 / 1472	+5.3
Apr 23, 2026	Hard	4:18	#357 / 1356	+6.1
Apr 22, 2026	Hard	4:04	#602 / 1378	-3.7
Apr 21, 2026	Hard	3:03	#445 / 1484	+7.3
Apr 20, 2026	Hard	3:45	#413 / 1335	+5.8
Apr 19, 2026	Hard	3:54	#232 / 1257	-0.8
Apr 18, 2026	Hard	5:32	#375 / 1163	+3.4
Apr 17, 2026	Hard	8:02	#754 / 1291	-1.0
Apr 16, 2026	Hard	3:17	#306 / 1394	+7.7
Apr 15, 2026	Hard	5:05	#569 / 1372	+4.2
Apr 14, 2026	Hard	13:26	#884 / 1154	-7.0
Apr 13, 2026	Hard	5:19	#464 / 1251	+3.5
Apr 12, 2026	Hard	3:43	#558 / 1465	-0.7
Apr 11, 2026	Hard	8:06	#574 / 1103	-5.7
Apr 10, 2026	Hard	3:09	#736 / 1478	-2.9
Apr 9, 2026	Hard	5:44	#766 / 1359	+1.7
Apr 8, 2026	Hard	7:50	#811 / 1316	-4.5
Apr 7, 2026	Hard	2:44	#370 / 1491	+10.8
Apr 6, 2026	Hard	3:25	#416 / 1513	+7.6
Apr 5, 2026	Hard	6:18	#826 / 1382	+1.7
Apr 4, 2026	Hard	4:24	#721 / 1459	+5.4
Apr 3, 2026	Hard	3:58	#708 / 1437	+6.7
Apr 2, 2026	Hard	3:46	#466 / 1380	-0.1
Apr 1, 2026	Hard	6:49	#701 / 1382	+2.5
Mar 31, 2026	Hard	6:36	#683 / 1336	+2.2
Mar 30, 2026	Hard	3:37	#538 / 1491	+9.3
Mar 29, 2026	Hard	4:20	#570 / 1411	+7.7
Mar 28, 2026	Hard	2:47	#664 / 1522	+12.5
Mar 27, 2026	Hard	8:33	#794 / 1176	-4.4
Mar 26, 2026	Hard	7:04	#795 / 1327	+1.5
Mar 25, 2026	Hard	3:10	#372 / 1403	+2.4
Mar 24, 2026	Hard	10:43	-	-6.6
Mar 23, 2026	Hard	4:48	#607 / 1303	+7.2
Mar 22, 2026	Hard	7:42	#637 / 1100	+1.8
Mar 21, 2026	Hard	4:08	#317 / 1279	+9.6
Mar 20, 2026	Hard	3:08	#518 / 1450	+11.3
Mar 19, 2026	Hard	3:15	#394 / 1440	+3.0
Mar 18, 2026	Hard	4:50	#782 / 1505	+8.3
Mar 17, 2026	Hard	12:01	#896 / 1154	-2.8
Mar 16, 2026	Hard	3:55	#600 / 1508	+9.6
Mar 15, 2026	Hard	3:19	#486 / 1485	+12.5
Mar 14, 2026	Hard	4:07	#570 / 1387	+11.5
Mar 13, 2026	Hard	4:47	#771 / 1428	+0.8
Mar 12, 2026	Hard	4:26	#559 / 1365	+10.8
Mar 11, 2026	Hard	12:48	#962 / 1114	-2.3
Mar 10, 2026	Hard	6:30	#492 / 1136	+5.6
Mar 9, 2026	Hard	6:03	#447 / 1204	+7.1
Mar 8, 2026	Hard	3:49	#422 / 1342	+3.2
Mar 7, 2026	Hard	9:25	#825 / 1152	+0.6
Mar 6, 2026	Hard	9:08	#927 / 1191	-2.7
Mar 5, 2026	Hard	4:51	#622 / 1348	+10.7
Mar 4, 2026	Hard	2:43	#406 / 1497	+16.2
Mar 3, 2026	Hard	5:52	#484 / 1203	+1.3
Mar 2, 2026	Hard	3:16	#368 / 1397	+16.6
Mar 1, 2026	Hard	4:25	#933 / 1468	+11.0
Feb 28, 2026	Hard	5:06	#843 / 1322	+9.4
Feb 27, 2026	Hard	2:37	#528 / 1448	+18.5
Feb 26, 2026	Hard	3:52	#454 / 1300	+15.7
Feb 25, 2026	Hard	6:44	#487 / 931	+8.0
Feb 24, 2026	Hard	3:05	#430 / 902	+17.9
Feb 23, 2026	Hard	13:26	#436 / 567	-0.6
Feb 22, 2026	Hard	6:00	-	+2.6
Feb 19, 2026	Hard	9:42	#312 / 514	-1.3
Feb 18, 2026	Hard	8:06	#320 / 487	-2.8
Feb 17, 2026	Hard	2:49	#139 / 514	+8.7
Feb 13, 2026	Hard	4:20	#183 / 483	+5.4
Feb 10, 2026	Hard	6:51	#208 / 393	-0.6
Feb 8, 2026	Hard	3:21	#231 / 472	+6.6
Feb 5, 2026	Hard	5:53	#256 / 435	+1.4
Feb 4, 2026	Hard	4:11	#136 / 442	+5.6
Feb 3, 2026	Hard	3:05	#137 / 457	+6.7
Feb 2, 2026	Hard	6:59	#173 / 387	-5.1
Jan 31, 2026	Hard	11:06	#210 / 283	-6.5
Jan 30, 2026	Hard	6:44	#157 / 352	-0.1
Jan 29, 2026	Hard	4:40	#185 / 395	+1.5
Jan 28, 2026	Hard	4:33	#199 / 413	+2.7
Jan 26, 2026	Hard	8:28	#157 / 309	-3.3
Jan 24, 2026	Hard	2:39	#165 / 422	+5.1
Jan 21, 2026	Hard	4:48	#155 / 350	-3.8
Jan 19, 2026	Hard	3:48	#199 / 395	+3.3
Jan 18, 2026	Hard	2:43	#118 / 378	+5.0
Jan 17, 2026	Hard	7:22	#157 / 321	-6.9
Jan 11, 2026	Hard	13:21	#220 / 268	-7.8
Jan 5, 2026	Hard	3:19	#183 / 348	+3.8
Jan 1, 2026	Hard	3:28	#140 / 415	+3.4
Dec 31, 2025	Hard	3:11	#91 / 319	+4.5
Dec 30, 2025	Hard	4:54	#120 / 329	-3.9
Dec 29, 2025	Hard	4:11	#167 / 331	+3.4
Dec 27, 2025	Hard	4:38	#152 / 330	+1.3
Dec 25, 2025	Hard	6:15	#202 / 316	-6.0
Dec 21, 2025	Hard	2:22	#134 / 349	+5.5
Dec 17, 2025	Hard	3:54	#139 / 302	-2.9
Dec 16, 2025	Hard	2:38	#139 / 334	+5.0
Dec 14, 2025	Hard	2:53	#137 / 331	+4.6
Dec 12, 2025	Hard	3:19	#127 / 353	+3.8
Dec 11, 2025	Hard	3:30	#82 / 296	-3.2
Dec 10, 2025	Hard	2:46	#152 / 337	-2.5
Dec 9, 2025	Hard	3:02	#134 / 324	+4.1
Dec 8, 2025	Hard	5:08	#213 / 316	-4.3
Dec 7, 2025	Hard	5:10	#110 / 287	-4.4
Dec 6, 2025	Hard	6:25	#187 / 301	-0.7
Dec 5, 2025	Hard	5:19	#169 / 301	+0.6
Dec 4, 2025	Hard	3:55	#99 / 310	+3.6
Dec 3, 2025	Hard	2:41	#134 / 334	+5.4
Dec 2, 2025	Hard	2:57	#105 / 332	+4.7
Dec 1, 2025	Hard	7:04	#209 / 301	-5.2
Nov 30, 2025	Hard	3:50	#91 / 269	-2.8
Nov 29, 2025	Hard	8:40	-	-7.5
Nov 28, 2025	Hard	2:28	#112 / 297	+5.4
Nov 27, 2025	Hard	2:50	#102 / 302	+5.3
Nov 26, 2025	Hard	5:27	#260 / 300	-4.2
Nov 25, 2025	Hard	4:20	#260 / 307	+1.3
Nov 24, 2025	Hard	4:57	#228 / 295	+0.7
Nov 23, 2025	Hard	5:32	#182 / 283	-0.4
Nov 22, 2025	Hard	6:45	#169 / 264	-5.2
Nov 21, 2025	Hard	3:17	#108 / 284	+3.5
Nov 20, 2025	Hard	4:10	#127 / 273	+2.1
Nov 19, 2025	Hard	4:30	#121 / 262	-4.8
Nov 18, 2025	Hard	21:49	#142 / 155	-7.3
Nov 17, 2025	Hard	5:21	#159 / 249	+0.1
Nov 16, 2025	Hard	2:19	#55 / 271	+4.1
Nov 15, 2025	Hard	4:07	#66 / 236	+1.7
Nov 14, 2025	Hard	3:40	#89 / 246	+2.4
Nov 13, 2025	Hard	5:53	#209 / 276	-4.2
Nov 12, 2025	Hard	3:43	#138 / 269	-4.4
Nov 11, 2025	Hard	2:37	#94 / 272	-1.8
Nov 10, 2025	Hard	4:49	#168 / 263	+1.5
Nov 9, 2025	Hard	2:35	#101 / 270	-1.4
Nov 8, 2025	Hard	3:23	#140 / 297	+2.4
Nov 7, 2025	Hard	7:02	#157 / 248	-5.1
Nov 6, 2025	Hard	2:36	#102 / 279	+4.9
Nov 5, 2025	Hard	4:14	#146 / 270	+2.0
Nov 4, 2025	Hard	2:50	#92 / 292	+4.4
Nov 3, 2025	Hard	2:42	#115 / 269	+3.9
Nov 2, 2025	Hard	14:12	#188 / 204	-6.2
Nov 1, 2025	Hard	2:40	#114 / 273	+4.2
Oct 31, 2025	Hard	3:08	#43 / 234	-1.8
Oct 30, 2025	Hard	3:11	#82 / 256	+2.7
Oct 29, 2025	Hard	6:32	#171 / 227	-4.0
Oct 28, 2025	Hard	4:16	#98 / 243	+2.4
Oct 27, 2025	Hard	2:53	#85 / 252	-3.6
Oct 26, 2025	Hard	2:27	#123 / 256	-1.7
Oct 25, 2025	Hard	3:05	#105 / 250	+3.2
Oct 24, 2025	Hard	5:53	#165 / 221	-4.0
Oct 23, 2025	Hard	2:45	#57 / 238	+4.6
Oct 22, 2025	Hard	3:19	#102 / 248	-2.1
Oct 21, 2025	Hard	3:21	#38 / 200	-2.0
Oct 20, 2025	Hard	2:07	#85 / 253	-1.4
Oct 19, 2025	Hard	3:29	#110 / 239	-2.0
Oct 18, 2025	Hard	2:25	#122 / 258	+4.4
Oct 17, 2025	Hard	5:04	#44 / 186	-2.9
Oct 16, 2025	Hard	2:30	#91 / 241	+4.8
Oct 15, 2025	Hard	6:43	#158 / 229	-0.9
Oct 14, 2025	Hard	4:21	#120 / 236	+2.2
Oct 13, 2025	Hard	2:54	#117 / 255	+3.2
Oct 12, 2025	Hard	4:24	#158 / 256	+1.1
Oct 11, 2025	Hard	2:23	#84 / 259	-3.2
Oct 10, 2025	Hard	5:36	#109 / 218	-3.0
Oct 9, 2025	Hard	7:03	#141 / 216	-3.7
Oct 8, 2025	Hard	3:20	#95 / 245	+3.8
Oct 7, 2025	Hard	10:08	#146 / 194	-5.5
Oct 6, 2025	Hard	4:06	#55 / 206	+1.3
Oct 5, 2025	Hard	4:47	#115 / 233	+1.6
Oct 4, 2025	Hard	4:26	#117 / 234	-2.5
Oct 3, 2025	Hard	6:54	#141 / 223	-5.2