JSM 2025 R4 - Neighbours and Converse (18th - 24 th Apr) has started Discuss
PR 2025 R5 - Word & Casual (18th - 24th Apr) has started Discuss
Riad's April Contest 2025 (18th - 27th April) has started Discuss
SM 2025 Cumulative results
Puzzle Ramayan 2025
Sudoku Mahabharat - Junior 2025

Kazuya Yamamoto

Send this user a private message
Real name Kazuya Yamamoto
Puzzle Blog
Country Japan
Date registered2017-02-20 5:46 AM
Last logon2025-04-19 8:40 AM
Total posts
Rank
LMI RatingsCurrent RankCurrent RatingsBest RankBest RatingsRatings History
LMI Puzzle Ratings 24 847.6031 10 904.3037 History
LMI Sudoku Ratings 38 786.7918 33 807.9204 History

Indian ChampionshipsOfficial RankHazakura's ScoreMax (Official) Score
Indian Puzzle Championship 2020 98 3792.5
Daily ContestsHazakura's RankHazakura's ScoreTest Max Score
Nurimisaki Nomad 8 2959 3147
Yajilin Yacht 135 1681.91 3148
Kakuro Kart 8 2891 3058
Kurotto Kingdom 18 2666 3149
Voxas Vacation 47 2261.05 3089
Rassi Silai Race 45 2167.21 3085
Tapa Train 181 1069.02 3151
Puzzle TestHazakura's RankHazakura's ScoreTest Max ScorePSRSNSW
2025R4 (Shading & Regions) 20 120.7 137.1 882 934 895 1
2025R3 (Numbers & MII) 19 83 123.417 755 938 801 1
2025R2 (Loop & OP) 23 84.7 124.25 771 932 811 1
2025R1 (Classics) 46 101.817 134.883 812 883 830 0.8
2024R5 (Shading & Regions) 20 104.95 129.983 858 937 878 0.7
2024R4 (Word & OP) 13 108.4 129.467 863 959 887 0.7
April Contest 2024 57 12 98
2024R3 (Evergreens & MII) 26 90 124.95 790 912 820 0.6
2024R2 (Loops & Numbers) 24 95.6 130.583 804 929 835 0.6
2024R1 (Classics) 27 92 128.45 811 942 844 0.6
2023R6 (Regions & Loops) 19 117.883 137.983 885 922 894
April Contest 2023 41 31 0
2023R5 (Casual & Word) 32 75 107.517 744 875 777
2023R4 (NP & OP) 11 113.167 128.967 896 962 912
2023R3 (Shading & MII) 13 108.633 134.45 857 955 881
2023R2 (Evergreens & Rule Pool) 10 106.883 127.767 881 971 904
PANFOPCWHTTAPA 3 9 145.4 149.6 936 970 945
2022R6 (MII & Object Placement) 10 94 125.05 816 957 851
2022R5 (Loops & Shading) 15 92 129.217 805 940 838
2022R4 (Numbers & Puzz.link) 26 70.7 120.383 716 900 762
April Contest 2022 28 56 0
2022R3 (Regions & Evergreens) 16 103.733 128.517 854 939 875
2022R2 (Casual & Word) 43 56.8 109.25 648 847 697
2022R1 (Classics) 9 131.083 143.133 918 978 933
PANFOPCWHTTAPA 2 20 141.3 148.717 916 955 926
2023R1 (Classics) 7 119.717 131.483 930 983 943
PANFOPCWHTTAPA 30 135.967 147.133 855 895 865
MII & Evergreens (PR 2021) 92 47.8 148.45 451 434 447
Shading (PR 2021) 21 139.917 168.15 841 894 854
OP (PR 2021) 11 136.6 157.5 881 957 900
April Contest 2021 33 34 0
Regions (PR 2021) 12 118.767 149.3 848 952 874
Number Placement (PR 2021) 24 123.583 155.017 825 911 847
Loops (PR 2021) 7 135.517 159.9 895 977 916
Classics (PR 2021) 4 146.533 160.633 929 988 944
Divide and Conquer 11 1170.9 1375.5
MPC2020 19 1615 0
PU IV 18 810 1468.5 704 858 742
PU III 10 903.167 1309.1 799 946 836
Typed Logic 17 750 1290.67 696 888 744
MII and Regions (PR 2020) 21 132.133 160.15 839 894 853
Casual and Word (PR 2020) 31 89.8 132.783 736 839 762
Metaloop 19 1000 0
Evergreens (PR 2020) 3 129.817 136.933 959 992 967
April Contest 2020 24 59 85
Shading and Loops (PR 2020) 17 145.1 169.483 858 927 875
Number and Object Placement (PR 2020) 16 104.617 134.9 831 937 857
Classics (PR 2020) 13 127.933 149 881 960 901
PuzzlersClub 2 18 690 1162 682 817 716
PuzzlersClub 1 14 820 1396.3 702 879 746
Number & Object Placement (PR 2019) 32 89 137.85 722 807 743
MII & Regions (PR 2019) 6 108.467 139.15 823 966 859
April Contest 2019 21 54 99
Casual & Word (PR 2019) 26 85 122.467 731 823 754
Shading & Loops (PR 2019) 17 132.917 162.05 838 909 855
Connected Puzzles (PR 2019) 32 109.35 149.167 766 812 778
Classics (PR 2019) 63 86 160.05 562 637 581
Kaleidoscope 2018 20 154.9 330.7
Loops & Shading (PR 2018) 23 120.833 156.933 779 836 793
Casual & Word (PR 2018) 65 40.9 93.9 526 562 535
Evergreens (PR 2018) 23 100.317 155.3 709 856 746
April Contest 2018 44 18 96
MII & Regions (PR 2018) 39 74 144.2 640 752 668
NP & OP (PR 2018) 103 39 120 476 460 472
15th Anniversary 36 530 881.5
Classics (PR 2018) 43 130.85 168.3 762 774 765
Number Placement & Evergreens (PR 2016/17) 63 52 128.2 519 551 527
Object Placement & Pentomino (PR 2016/17) 83 41 124.917 474 460 470
Shading and Loops (PR 2016/17) 103 60 169.817 420 413 418
Sudoku TestHazakura's RankHazakura's ScoreTest Max ScorePSRSNSW
2025R4 (Outside & Hybrids) 91 58 140.533 588 730 624 1
2025R3 (Odd Even & Irregular) 30 124.85 155.533 838 921 858 1
2025R2 (Math & Neighbours) 35 111.967 149.7 811 916 837 1
2025R1 (Standard & Converse) 57 87 154.75 700 887 746 0.8
HNY2025 127 320 2207 395 454 410 0.8
2024R4 (Outside & Converse) 29 71.7 125.95 717 921 768 0.7
2024R3 (Math & Neighbours) 32 94 138.217 776 917 811 0.7
2024R2 (Odd Even & Hybrids) 28 95 139.333 775 931 814 0.6
2024R1 (Standard & Irregular) 57 86 141.75 748 896 785 0.6
HNY2024 42 438.9 890 681 813 714 0.6
2023R4 (Neighbours & Converse) 55 66 126.7 678 857 723
2023R3 (Irregular & Math) 118 45 121.783 582 702 612
2023R2 (Outside & Hybrids) 50 76 136.25 700 874 743
2022R4 (Math & Irregular) 31 105.883 145.7 797 910 825
2022R3 (Converse & Outside) 32 109.15 153.967 791 923 824
2022R2 (Odd Even & Hybrids) 43 80 142.533 679 868 726
2022R1 (Standard & Neighbours) 94 67 138.383 633 758 665
2023R1 (Standard & Odd Even) 41 93 140.617 777 922 813
Hybrids (SM 2021) 56 96.8 151.867 707 821 735
Irregular and Twisted Classics (SM 2021) 37 108.9 150.4 778 883 804
Converse (SM 2021) 58 122.75 158.35 801 833 809
Math (SM 2021) 39 96 146.983 748 878 780
Substitution and Neighbours (SM 2021) 24 142.517 160.133 895 931 904
Outside (SM 2021) 43 103.317 145.05 771 880 798
Standard (SM 2021) 33 118.483 153.25 805 910 832
Welcome 2021 24 115.833 0
Lockdown Sudoku Test 68 420 1032.33 570 696 602
Quinze 2 31 550 1017.03 647 830 693
Twisted Classics and Hybrids (SM2020) 42 86 135.583 703 854 741
Mean Minis 28 83.6 135.9 736 879 771
Converse and Odd Even (SM2020) 110 48 140.583 553 655 579
Math (SM2020) 54 84 142.45 700 852 738
Irregular and Outside (SM2020) 33 121.233 155.7 816 900 837
Substitution and Neighbours (SM 2020) 48 73 128.417 690 861 733
Standard (SM 2020) 58 119.2 157.367 814 869 828
Quinze 43 79 130.73 678 744 694
Pentakaideca 41 63.9 130.1 620 692 638
SSC2019 15 370 585
Converse & Twisted Classics (SM 19) 99 51 147 513 550 522
Irregular & Hybrids (SM 19) 57 83.6 152.317 651 761 678
Math (SM 19) 53 66 129.033 658 791 691
Get Overlapped! 94 42 232.067
Substitution & Odd Even (SM 19) 91 54 137.517 560 665 586
Outside & Neighbours (SM 19) 72 78 148.467 641 719 661
Standard (SM 19) 54 84.9 147.383 679 784 705
Enthralling Sudoku 53 82 150.233 552 570 557
September Sudoku Contest 2018 22 258 569.467
Irregular & Hybrids (SM 18) 59 56 126.7 588 706 617
Math (SM 18) 79 59 142.1 577 672 601
Odd Even & Substitution (SM 18) 76 72 141.1 621 696 640
R19 - WSC Playoffs 53 51 134.9 539 567 546
Outside & Neighbours (SM 18) 88 55 131.3 578 652 596
Standard (SM 18) 144 51 157.1 491 496 493
Converse & Twisted Classics (SM 18) 67 74 143.6 650 759 677
"What Is It?" - Sudoku Contest 33 150 420
September Sudoku Contest 2017 50 129 596.633
Irregular & Converse (SM 16/17) 176 40 150.3 352 322 344
Outside & Math (SM 16/17) 193 39 139.05 519 429 497

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 2021Hazakura's RankHazakura's ScoreTest Max Score
01 - Classics 135 150 0
02 - Evergreens 66 245 0
03 - Great Wall of Sudoku 33 310 0
04 - Temple of Sudoku 34 250 0
05 - Dawn 50 320 0
06 - Dusk 24 305 0
07 - Sudoku Shrine 16 395 0
08 - WSC 2021 80 290 0
01 - Welcome to WS + PC 47 375 0
02 - In Memory of Maki Kaji 12 776.333 0
03 - Made in China 17 685 0
04 - Made in India 62 295 0
05 - Multi Skyscapers 189 50 0
06 - All Stars 8 600 0
07 - 20 by 20 16 435 0
08 - Night and Day 14 545 0
09 - Triple Jump 33 640 0
10 - Mitosis 37 382.5 0
King of Kakuro 11 863 1063.5
Snake Wrangler 19 446 879.133
Fleet Admiral 10 719 1007.5
Baker Street Irregulars 15 516.2 691
Sudoku Nebula 15 1182.83 1359.83
TVCHazakura's RankHazakura's ScoreTest Max Score
Tapa Variations Contest - XXII 37 689.583 0
Tapa Variations Contest - XXI 11 429 0