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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

    Niven Numbers in Ruby in chars.

    # Golfer Points Chars Time Submitted
    1st primo-ppcg 🇹🇭 1,000 29
    1st prplz 🇦🇺 1,000 29
    1st JayXon 🇺🇸 1,000 29
    1st sisyphus-ppcg 🇦🇺 1,000 29
    1st Lydxn 🇨🇦 1,000 29
    1st stefangimmillaro 1,000 29
    1st orthoplex 🇨🇽 1,000 29
    1st radarek 🇵🇱 1,000 29
    1st sean-niemann 🇺🇸 1,000 29
    1st pardouin 🇫🇷 1,000 29
    1st Steffan153 🇫🇮 1,000 29
    12th GrayJoKing 🇦🇺 829 35
    12th ovs-code 🇩🇪 829 35
    14th xsot 🇸🇬 806 36
    14th nwellnhof 🇩🇪 806 36
    14th SirBogman 🇺🇸 806 36
    14th hiddicop 🇸🇪 806 36
    14th jared-hughes 806 36
    14th MeWhenI 🇻🇦 806 36
    14th OhmNomNom 806 36
    14th DialFrost 🇸🇬 806 36
    14th Shanethegamer 🇺🇸 806 36
    14th m-tkach 🇺🇦 806 36
    14th emgordon154 806 36
    14th lynn 806 36
    14th FlyingPenguin223 806 36
    14th fuzzylojik-golf 🇺🇸 806 36
    14th snoozingnewt 🇨🇦 806 36
    14th dokutan 806 36
    14th madex 🇩🇪 806 36
    14th blaztoma 🇱🇹 806 36
    32nd UladzimirSukharukau 784 37
    32nd janlelis 784 37
    32nd gilufin 784 37
    32nd NewDefectus 🇮🇱 784 37
    32nd akshatj27 🇦🇶 784 37
    32nd Irratix 🇳🇱 784 37
    32nd janbehrens 🇩🇪 784 37
    32nd ls-samer-abuthaher 784 37
    32nd Yewzir 🇧🇪 784 37
    32nd olleicua 🇺🇸 784 37
    32nd qwertyuiop3 🇷🇺 784 37
    32nd Natanaelel 🇸🇪 784 37
    32nd edsrzf 🇳🇿 784 37
    32nd Matter1024 🇮🇳 784 37
    32nd CaedenHarper 🇨🇦 784 37
    32nd solisolu 784 37
    32nd albanian-laundromat 🇺🇸 784 37
    32nd JOrE20 784 37
    50th adoxography 763 38
    50th acornellier 763 38
    50th hrrs01 763 38
    50th handisb 763 38
    50th mogron 763 38
    50th proton 🇩🇪 763 38
    50th Waffle3z 763 38
    50th KatieLG 🇬🇧 763 38
    50th jaredcrystal 🇺🇸 763 38
    50th anter69 🇭🇺 763 38
    50th olivermrose 🇺🇸 763 38
    50th yzhs 🇩🇪 763 38
    50th 4hg 🇺🇸 763 38
    50th Andriamanitra 🇫🇮 763 38
    50th rniii 763 38
    50th wlaud9 763 38
    50th error256 763 38
    50th aydamak 763 38
    50th LostSyntax21 🇬🇧 763 38
    50th tatzyr 🇯🇵 763 38
    50th ejini6969 763 38
    50th csharpython 763 38
    50th vishal-mohanty 763 38
    50th AetherQuantity 763 38
    50th RainVniaR 🇵🇱 763 38
    50th denkyuu1 763 38
    50th aksyristos 763 38
    50th scpchicken 🇵🇼 763 38
    50th CornerMercury 🇬🇧 763 38
    79th graft 744 39
    79th ConorOBrien-Foxx 744 39
    79th sk- 744 39
    79th sapphyrus 744 39
    79th meenie 744 39
    79th schachmattmatt 744 39
    79th kinoute 🇫🇷 744 39
    79th Haksell 744 39
    79th AlephSquirrel 744 39
    79th aaronze 🇦🇺 744 39
    79th TheZwierzLF 🇵🇱 744 39
    90th segiddins 725 40
    90th TFeld00 🇩🇰 725 40
    90th flavono123 725 40
    90th snltd 725 40
    90th n1LS 725 40
    90th jstanley0 725 40
    90th Marin-Kitagawa 725 40
    90th Luj8n 725 40
    90th HallMatthew314 725 40
    90th fynnkroeger 725 40
    90th Ralac07 🇦🇺 725 40