Mark Zaidelman

Rating history

Weekly performance shows the performance for daily puzzles solved during the corresponding week. It is nominated in universal scoring scale which allows to compare puzzles of different complexity. Rating is a cumulative value which is slowly adjusted every week towards the weekly performance. It shows long-term performance level. See the rating computation rules at help page.

Type performance

1039 (5 puzzles)
Irregular Sudoku
1574 (2 puzzles)
Perfect Square Sudoku
1293 (1 puzzle)
X Sums Sudoku
754 (1 puzzle)
Fortress Sudoku
0 (1 puzzle)
1477 (1 puzzle)
Magic Snail
1477 (1 puzzle)
1092 (3 puzzles)
Lighthouses
1638 (2 puzzles)
Gaps
0 (1 puzzle)
1488 (7 puzzles)
Every Second Turn
2262 (1 puzzle)
Simple Loop
1662 (1 puzzle)
Fences
1339 (2 puzzles)
Masyu
1330 (1 puzzle)
Chat Room
1267 (1 puzzle)
Hexa Fences
1214 (1 puzzle)
1723 (2 puzzles)
Maxi Snake
2224 (1 puzzle)
Snake
1222 (1 puzzle)
1172 (8 puzzles)
Hitori
2074 (1 puzzle)
Tapa
1652 (1 puzzle)
Paint by Hex
1412 (1 puzzle)
LITS
1354 (1 puzzle)
Heyawake
1328 (2 puzzles)
Yin Yang
202 (1 puzzle)
Cave
28 (1 puzzle)
970 (1 puzzle)
Suguru
970 (1 puzzle)