Иван Грищенко

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

1632 (32 puzzles)
Perfect Square Sudoku
1944 (1 puzzle)
Double Sudoku
1912 (2 puzzles)
Antiknight Sudoku
1853 (1 puzzle)
Odd Sudoku
1817 (1 puzzle)
X Sums Sudoku
1780 (4 puzzles)
Even/Odd Sudoku
1723 (3 puzzles)
Self-joint Sudoku
1711 (2 puzzles)
Irregular Sudoku
1695 (3 puzzles)
Odd-Even-Big-Small
1689 (1 puzzle)
Antidiagonal Sudoku
1640 (1 puzzle)
No Touch Sudoku
1636 (2 puzzles)
Fortress Sudoku
1624 (2 puzzles)
Difference Sudoku
1490 (2 puzzles)
Diagonal Sudoku
1461 (2 puzzles)
Pair Sum Sudoku
1357 (2 puzzles)
Consecutive Sudoku
1302 (1 puzzle)
Sudoku Extra Regions
1114 (2 puzzles)
1944 (26 puzzles)
Double Block
2192 (1 puzzle)
Fuzuli
2135 (4 puzzles)
Gapped Skyscrapers
2047 (1 puzzle)
Kropki
2040 (3 puzzles)
Summed Skyscrapers
1990 (1 puzzle)
Easy as ABC
1979 (2 puzzles)
Top Heavy Number Place
1949 (4 puzzles)
Exclusive Skyscrapers
1908 (1 puzzle)
Magic Snail
1860 (1 puzzle)
Skyscrapers
1793 (3 puzzles)
Product Skyscrapers
1755 (1 puzzle)
Product Latin Square
1750 (4 puzzles)
1612 (13 puzzles)
No Touch Sums
1999 (1 puzzle)
Ripple Effect
1694 (1 puzzle)
Suguru
1655 (2 puzzles)
Product Kuromasu
1583 (3 puzzles)
Nanro
1560 (4 puzzles)
Chaos
1484 (2 puzzles)
1896 (34 puzzles)
Queens
2227 (3 puzzles)
Battleships
2206 (3 puzzles)
Minesweeper
2168 (1 puzzle)
Gaps
2161 (4 puzzles)
No Four in a Row
2133 (3 puzzles)
Point a Star
1959 (2 puzzles)
Clouds
1899 (2 puzzles)
Knight Battleships
1830 (1 puzzle)
Hexa Minesweeper
1827 (2 puzzles)
Domino Castle with Sums
1801 (3 puzzles)
Lighthouses
1791 (2 puzzles)
Tents
1647 (2 puzzles)
Akari
1545 (1 puzzle)
Star Battle
1478 (2 puzzles)
Star Battle (Small Regions)
1411 (1 puzzle)
Battleships Minesweeper
1289 (2 puzzles)
1857 (15 puzzles)
Pentomino Division
2253 (2 puzzles)
Hungarian Pentomino
2104 (3 puzzles)
Tetroscope
1937 (2 puzzles)
Pentomino
1888 (3 puzzles)
Touching Pentomino
1551 (2 puzzles)
LITS
1463 (3 puzzles)
1784 (46 puzzles)
Alternate Loop
2234 (2 puzzles)
Every Second Straight
2221 (3 puzzles)
Double Back
2192 (2 puzzles)
Maxi Loop
1987 (3 puzzles)
Hexa Fences
1980 (1 puzzle)
Masyu
1974 (2 puzzles)
Fences/Slitherlink
1936 (4 puzzles)
Every Second Turn
1931 (3 puzzles)
Shortest Segment
1885 (1 puzzle)
Simple Loop
1827 (3 puzzles)
Chat Room
1758 (4 puzzles)
Inturnal
1661 (2 puzzles)
Four Winds
1610 (3 puzzles)
Russian Loop
1577 (4 puzzles)
Railroad
1555 (3 puzzles)
Country Road
1307 (2 puzzles)
Loop and Bounds
1254 (2 puzzles)
Minesweeper Loop
1243 (2 puzzles)
2179 (16 puzzles)
Snakescope
2257 (3 puzzles)
Dutch Snake
2254 (3 puzzles)
Belarusian Snake
2223 (3 puzzles)
Maxi Snake
2210 (4 puzzles)
Snake
1941 (3 puzzles)
1817 (36 puzzles)
Easy as Coral
2176 (3 puzzles)
Kuromasu
1964 (2 puzzles)
Battenberg Painting
1937 (3 puzzles)
Paint by Max
1922 (4 puzzles)
Arrow Web
1915 (2 puzzles)
Hexa Islands
1899 (3 puzzles)
Nurikabe
1870 (1 puzzle)
Tapa
1858 (3 puzzles)
Norinori
1856 (1 puzzle)
Paint by Hex
1847 (2 puzzles)
Hitori
1726 (3 puzzles)
Aquarium
1659 (3 puzzles)
Cave
1624 (1 puzzle)
Aqre
1496 (2 puzzles)
Heyawake
1452 (2 puzzles)
Yin Yang
1271 (1 puzzle)
1837 (31 puzzles)
Neighbor Areas
2444 (1 puzzle)
ABC Division
2206 (3 puzzles)
Black and white
2103 (2 puzzles)
Spiral Galaxies
1975 (3 puzzles)
Squares and Rectangles
1974 (3 puzzles)
Domino Hunt
1951 (2 puzzles)
L-shapes
1877 (3 puzzles)
Fillomino
1825 (2 puzzles)
Slash Pack
1740 (4 puzzles)
Araf
1636 (1 puzzle)
Two Apiece
1550 (4 puzzles)
Fo-(Faibu-)seruzu
1334 (2 puzzles)
Shikaku
1178 (1 puzzle)
2122 (2 puzzles)
Slalom/Gokigen Naname
2122 (2 puzzles)