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

418 (8 puzzles)
Numbered Rooms Sudoku
1318 (1 puzzle)
Citywalk Sudoku
828 (2 puzzles)
Sudoku
370 (1 puzzle)
Consecutive Sudoku
0 (1 puzzle)
Irregular Sudoku
0 (1 puzzle)
Blackout Sudoku
0 (1 puzzle)
Pair Sum Sudoku
0 (1 puzzle)
68 (2 puzzles)
Fuzuli
136 (1 puzzle)
Skyscrapers
0 (1 puzzle)
1349 (3 puzzles)
Nanro
1893 (1 puzzle)
Ripple Effect
1667 (1 puzzle)
Suguru
487 (1 puzzle)
506 (14 puzzles)
Akari
2073 (1 puzzle)
Tents
1678 (2 puzzles)
No Four in a Row
1648 (1 puzzle)
Knight Battleships
1 (1 puzzle)
Point a Star
0 (1 puzzle)
Battleships Minesweeper
0 (1 puzzle)
Hexa Minesweeper
0 (2 puzzles)
Lighthouses
0 (2 puzzles)
Clouds
0 (1 puzzle)
Star Battle
0 (1 puzzle)
Gaps
0 (1 puzzle)
1004 (5 puzzles)
LITS
1786 (2 puzzles)
Pentomino Areas
1448 (1 puzzle)
Hungarian Pentomino
0 (1 puzzle)
Statue Park
0 (1 puzzle)
787 (24 puzzles)
Russian Loop
2001 (2 puzzles)
Simple Loop
1978 (1 puzzle)
Every Second Turn
1826 (1 puzzle)
Minesweeper Loop
1814 (1 puzzle)
Ring Ring Minus One
1740 (1 puzzle)
Masyu
1434 (1 puzzle)
Turning Fences
1376 (2 puzzles)
Kuroshiro
1320 (1 puzzle)
Every Second Straight
897 (2 puzzles)
Ring Ring
74 (3 puzzles)
Fences/Slitherlink
1 (1 puzzle)
Alternate Loop
0 (1 puzzle)
Railroad
0 (1 puzzle)
Country Road
0 (1 puzzle)
Polygraph
0 (2 puzzles)
Hexa Fences
0 (1 puzzle)
Inturnal
0 (1 puzzle)
Yajilin
0 (1 puzzle)
1278 (1 puzzle)
Passage
1278 (1 puzzle)
833 (14 puzzles)
Battenberg Painting
2028 (1 puzzle)
Norinori
1991 (1 puzzle)
Arrow Web
1928 (2 puzzles)
Aquapelago
1079 (1 puzzle)
Tapa
995 (2 puzzles)
Paint by Max
723 (1 puzzle)
Choco Banana
0 (3 puzzles)
Heyawake
0 (1 puzzle)
Kuromasu
0 (1 puzzle)
Paint by Hex
0 (1 puzzle)
728 (14 puzzles)
L-shapes
1989 (1 puzzle)
Shikaku
1957 (1 puzzle)
Kaitoramma
1591 (3 puzzles)
Black and white
1469 (1 puzzle)
Inverse Double Choco
1 (2 puzzles)
Neighbor Areas
0 (1 puzzle)
Double Choco
0 (2 puzzles)
Double Choco No Touch
0 (1 puzzle)
Araf
0 (1 puzzle)
Fillomino
0 (1 puzzle)
2673 (1 puzzle)
Slalom/Gokigen Naname
2673 (1 puzzle)