World Sudoku & Puzzle Championship 2026
ISC & SM and IPC & PR 2026

Xu Chenhao

Player Profile : JiaHeNiTian
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Real name Xu Chenhao
Puzzle Blog
Country China
Date registered2018-01-12 2:50 PM
Last logon2026-07-16 9:08 PM
Total posts6 
Rank
LMI RatingsCurrent RankCurrent RatingsBest RankBest RatingsRatings History
LMI Puzzle Ratings 20 862.3329 10 898.9658 History
LMI Sudoku Ratings 28 820.9991 16 894.8828 History

Sudoku Ratings HistoryRatingsRank
2026R4 (Irregular & Converse) 820.9991 28
2026R3 (OE & Hybrids) 827.0218 27
2026R2 (Math & Outside) 833.9727 24
2026R1 (Standard & Neighbours) 827.3753 26
2025R4 (Outside & Hybrids) 820.8183 28
2025R3 (Odd Even & Irregular) 846.4575 23
2025R2 (Math & Neighbours) 830.321 24
2025R1 (Standard & Converse) 804.6121 30
HNY2025 779.8928 40
2024R4 (Outside & Converse) 814.23 34
2024R3 (Math & Neighbours) 823.9606 35
2024R2 (Odd Even & Hybrids) 826.5855 32
2024R1 (Standard & Irregular) 826.5457 30
HNY2024 800.9008 33
2023R4 (Neighbours & Converse) 823.2292 30
2023R3 (Irregular & Math) 849.72 23
2023R2 (Outside & Hybrids) 862.4559 22
2023R1 (Standard & Odd Even) 886.7991 19
2022R4 (Math & Irregular) 894.8828 16
2022R3 (Converse & Outside) 886.1564 17
2022R2 (Odd Even & Hybrids) 865.2663 24
2022R1 (Standard & Neighbours) 859.2802 26
Odd Even (SM 2021) 857.7816 25
Hybrids (SM 2021) 891.1735 17
Irregular and Twisted Classics (SM 2021) 882.1593 19
Converse (SM 2021) 840.5124 28
Math (SM 2021) 727.0436 61
Substitution and Neighbours (SM 2021) 489.7508 205
Outside (SM 2021) 489.7508 196
Substitution & Odd Even (SM 19) 318.6246 283
Outside & Neighbours (SM 19) 318.6246 284
Standard (SM 19) 318.6246 288
Deja Vu 354.4755 280
Enthralling Sudoku 354.4755 287
Irregular & Hybrids (SM 18) 387.1461 271
Math (SM 18) 387.1461 271
Odd Even & Substitution (SM 18) 417.0415 257
R19 - WSC Playoffs 417.0415 254
Outside & Neighbours (SM 18) 444.501 248
Standard (SM 18) 444.501 263
Converse & Twisted Classics (SM 18) 444.501 258
Indian ChampionshipsOfficial RankJiaHeNiTian's ScoreMax (Official) Score
Indian Puzzle Championship 2021 76 1660.17
Indian Sudoku Championship 2021 82 2292.33
Daily ContestsJiaHeNiTian's RankJiaHeNiTian's ScoreTest Max Score
Nurimisaki Nomad 36 2418.67 3147
Yajilin Yacht 179 1160.95 3148
Kakuro Kart 15 2769 3058
Kurotto Kingdom 22 2631 3149
Voxas Vacation 13 2776 3089
Rassi Silai Race 18 2497.46 3085
Tapa Train 16 2582 3151
Puzzle TestJiaHeNiTian's RankJiaHeNiTian's ScoreTest Max ScorePSRSNSW
26-Letter Puzzle Contest 28 417 0
France Open 2026 - Puzzle R2 13 675 0
France Open 2026 - Puzzle R1 18 610 0
2026R4 (Shading & Loops) 23 92.7 132.8 794 916 824 1
2026R3 (OP & Regions) 25 94 125.3 805 916 833 1
2026R2 (MII & Number Placement) 41 101.867 132.8 806 862 820 1
2026R1 (Classics) 9 116.767 132.033 914 980 931 0.8
2025R5 (Word & Casual) 26 89.7 119.8 785 916 818 0.8
2025R4 (Shading & Regions) 8 125.3 137.1 915 976 930 0.7
2025R3 (Numbers & MII) 15 85 123.417 767 952 813 0.7
2025R2 (Loop & OP) 9 104.45 124.25 885 975 908 0.6
2025R1 (Classics) 43 103.067 134.883 819 890 837 0.6
2024R6 (Snake & Casual) 23 108.933 131.033 847 911 863 0.6
2024R5 (Shading & Regions) 11 111.317 129.983 894 967 912
2024R4 (Word & OP) 14 108.2 129.467 862 955 885
2024R3 (Evergreens & MII) 7 109.3 124.95 906 979 924
2024R2 (Loops & Numbers) 11 106.9 130.583 867 969 893
2024R1 (Classics) 15 104.95 128.45 878 969 901
2023R6 (Regions & Loops) 25 114 137.983 862 896 871
2023R5 (Casual & Word) 45 70 107.517 705 827 735
2023R4 (NP & OP) 17 107.867 128.967 861 939 881
2023R3 (Shading & MII) 12 109.133 134.45 860 958 884
2023R2 (Evergreens & Rule Pool) 23 97.3167 127.767 827 930 853
PANFOPCWHTTAPA 3 12 143.933 149.6 914 959 925
2022R6 (MII & Object Placement) 21 83.1 125.05 751 905 790
2022R5 (Loops & Shading) 27 78.5 129.217 734 888 772
2022R4 (Numbers & Puzz.link) 12 82.2 120.383 782 956 825
2022R3 (Regions & Evergreens) 7 110.867 128.517 896 976 916
2022R2 (Casual & Word) 88 44.7 109.25 566 679 594
2022R1 (Classics) 8 133.3 143.133 933 981 945
PANFOPCWHTTAPA 2 13 143.85 148.717 945 971 952
2023R1 (Classics) 12 113.983 131.483 896 968 914
Moscow Puzzle Cup 2022 - Part 2 27 403 0
Moscow Puzzle Cup 2022 - Part 1 23 301.7 0
PANFOPCWHTTAPA 16 138.3 147.133 886 946 901
MII & Evergreens (PR 2021) 11 117.583 148.45 838 937 863
Shading (PR 2021) 6 152.083 168.15 910 973 926
Casual & Word (PR 2021) 39 98.2833 135.95 726 804 745
OP (PR 2021) 44 119.133 157.5 781 817 790
Regions (PR 2021) 8 120.717 149.3 858 969 886
25Y 54 880 0
Sudoku TestJiaHeNiTian's RankJiaHeNiTian's ScoreTest Max ScorePSRSNSW
France Open 2026 - Sudoku R2 8 627.833 0
France Open 2026 - Sudoku R1 31 727 0
2026R3 (OE & Hybrids) 38 89 140.35 728 897 770 1
2026R2 (Math & Outside) 12 117.267 141.283 880 975 904 1
2026R1 (Standard & Neighbours) 25 101.833 138.433 826 948 857 0.8
2025R4 (Outside & Hybrids) 51 69 140.533 643 847 694 0.8
2025R3 (Odd Even & Irregular) 24 128.917 155.533 859 937 879 0.7
2025R2 (Math & Neighbours) 15 125.433 149.7 878 965 900 0.7
2025R1 (Standard & Converse) 28 105.933 154.75 784 946 824 0.6
HNY2025 28 1035 2207 675 881 726 0.6
2024R2 (Odd Even & Hybrids) 21 104.783 139.333 824 949 855
2024R1 (Standard & Irregular) 25 112.65 141.75 869 955 890
2023R3 (Irregular & Math) 28 76.7 121.783 754 931 798
2023R2 (Outside & Hybrids) 52 75.8 136.25 699 869 741
2022R4 (Math & Irregular) 14 124.3 145.7 891 961 908
2022R3 (Converse & Outside) 16 123.867 153.967 860 963 885
2022R2 (Odd Even & Hybrids) 12 114.85 142.533 858 965 885
2022R1 (Standard & Neighbours) 20 109.183 138.383 850 949 875
2023R1 (Standard & Odd Even) 139 57.4 140.617 610 736 641
Odd Even (SM 2021) 44 84.4 149.333 677 829 715
Hybrids (SM 2021) 9 133.667 151.867 903 974 921
Irregular and Twisted Classics (SM 2021) 17 127.15 150.4 876 948 894
Converse (SM 2021) 21 137.317 158.35 882 941 897
Math (SM 2021) 14 123.017 146.983 881 957 900
Outside (SM 2021) 35 108.75 145.05 801 903 826
Converse & Twisted Classics (SM 18) 45 88 143.6 720 839 750

PS = Prorated Score (Score based on players's score, median score and top score in the test)
RS = Rank Score (Score based on player's rank in the test)
NS = Normalized Score (.75 * PS + .25 * RS)
W = Weight of the test
Click here for detailed logic of LMI Player Rating System v2.0
WSPC 2021JiaHeNiTian's RankJiaHeNiTian's ScoreTest Max Score
Time Trials Silver : 1, Bronze : 2
TVCJiaHeNiTian's RankJiaHeNiTian's ScoreTest Max Score
Tapa Variations Contest - XXIII 19 997 0
Tapa Variations Contest - XXII 61 535 0
Tapa Variations Contest - XXI 28 334 0