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    The Chess Move Validation hole will go live in approximately . Why not try and solve it ahead of time?

    Rankings: Holes

    Card Number Validation in all languages in chars.

    # Golfer Points Chars Time Submitted
    401st weliveinhell 🇭🇹 750 85
    401st SteRoy 750 85
    403rd 0xjac 🇨🇭 750 158
    404th retrohun 747 63
    405th MeWhenI 🇻🇦 747 162
    406th emplv 🇱🇻 746 76
    407th CaedenHarper 🇨🇦 746 86
    408th MeWhenI 🇻🇦 746 89
    409th ovs-code 🇩🇪 745 122
    410th emgordon154 744 63
    410th SirBogman 🇺🇸 744 63
    412th AlephSquirrel 742 76
    413th sean-niemann 🇺🇸 742 105
    414th Maznek 741 86
    415th MeWhenI 🇻🇦 741 106
    416th mousetail 🇳🇱 740 52
    417th DialFrost 🇸🇬 740 76
    418th sean-niemann 🇺🇸 740 116
    418th luuumine 🇫🇷 740 116
    420th m-tkach 🇺🇦 740 131
    421st luuumine 🇫🇷 739 92
    421st bzd7 739 92
    423rd kg583 🇺🇸 739 156
    424th rkg-huwdu 🇵🇱 738 51
    425th JOrE20 738 87
    426th GrayJoKing 🇦🇺 738 90
    427th MeWhenI 🇻🇦 735 89
    428th sean-niemann 🇺🇸 735 93
    429th KrausRaus 🇺🇸 733 87
    429th GeorgeStechman 🇬🇧 733 87
    429th coreynash 733 87
    429th kirjavascript 733 87
    433rd Shanethegamer 🇺🇸 732 64
    433rd Andriamanitra 🇫🇮 732 64
    435th DialFrost 🇸🇬 732 75
    436th Babafaba 732 77
    437th lifthrasiir 🇰🇷 731 37
    438th sean-niemann 🇺🇸 731 93
    439th MeWhenI 🇻🇦 730 110
    440th m-tkach 🇺🇦 730 138
    441st wh3n3v3r 🇨🇿 729 88
    441st blaztoma 🇱🇹 729 88
    441st KasperKivimaeki 🇫🇮 729 88
    444th error256 728 98
    445th Shanethegamer 🇺🇸 727 90
    445th ScottHamper 727 90
    447th DialFrost 🇸🇬 725 131
    448th stellartux 724 88
    449th stefangimmillaro 724 94
    449th emgordon154 724 94
    451st stackofbears 723 52
    452nd SirBogman 🇺🇸 723 63
    453rd HumanoidCPU 723 78
    454th Natanaelel 🇸🇪 722 53
    455th stefangimmillaro 722 92
    455th Shanethegamer 🇺🇸 722 92
    457th Shanethegamer 🇺🇸 722 100
    458th stefangimmillaro 722 114
    459th GolfingSuccess 🇬🇷 720 70
    460th error256 719 109
    460th zacjl 719 109
    462nd Shanethegamer 🇺🇸 719 132
    463rd Shanethegamer 🇺🇸 717 112
    464th dtbao20 🇻🇳 716 89
    464th madeforlosers 716 89
    464th junkondo-jp 716 89
    464th alexsave 716 89
    464th Europe2048 🇺🇦 716 89
    469th annaproxy 714 132
    470th Kacarott 🇦🇺 713 73
    470th chunes3 🇺🇸 713 73
    472nd nwellnhof 🇩🇪 713 90
    472nd ovs-code 🇩🇪 713 90
    472nd luuumine 🇫🇷 713 90
    472nd firegene 🇮🇪 713 90
    472nd lukegustafson 🇺🇸 713 90
    472nd edsrzf 🇳🇿 713 90
    478th vang1ong7ang 🇦🇶 711 33
    479th rak1507 🇬🇧 711 38
    480th Shanethegamer 🇺🇸 711 96
    481st snyderek 🇺🇸 710 121
    482nd albanian-laundromat 🇺🇸 709 118
    483rd MeWhenI 🇻🇦 707 102
    484th CLOStrophobic 🇮🇹 706 160
    485th 5cw 🇺🇸 705 91
    485th stefangimmillaro 705 91
    485th GrayJoKing 🇦🇺 705 91
    485th scpchicken 🇵🇼 705 91
    489th h3ra993huskp 🇯🇵 705 131
    490th MeWhenI 🇻🇦 704 78
    491st retrohun 701 60
    492nd cbrt-x 701 157
    493rd ovs-code 🇩🇪 700 81
    494th DialFrost 🇸🇬 700 106
    495th denkyuu1 699 67
    496th rzv-me 699 95
    497th Shanethegamer 🇺🇸 698 92
    497th error256 698 92
    497th thatbirdguythatuknownot 698 92
    500th Shanethegamer 🇺🇸 698 118