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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 bytes.

    # Golfer Points Bytes Time Submitted
    1st sisyphus-ppcg 🇦🇺 1,000 34
    1st radarek 🇵🇱 1,000 34
    1st Lydxn 🇨🇦 1,000 34
    4th GrayJoKing 🇦🇺 971 35
    4th ovs-code 🇩🇪 971 35
    4th Steffan153 🇫🇮 971 35
    7th xsot 🇸🇬 944 36
    7th nwellnhof 🇩🇪 944 36
    7th SirBogman 🇺🇸 944 36
    7th primo-ppcg 🇹🇭 944 36
    7th prplz 🇦🇺 944 36
    7th hiddicop 🇸🇪 944 36
    7th JayXon 🇺🇸 944 36
    7th orthoplex 🇨🇽 944 36
    7th jared-hughes 944 36
    7th stefangimmillaro 944 36
    7th MeWhenI 🇻🇦 944 36
    7th OhmNomNom 944 36
    7th DialFrost 🇸🇬 944 36
    7th sean-niemann 🇺🇸 944 36
    7th Shanethegamer 🇺🇸 944 36
    7th m-tkach 🇺🇦 944 36
    7th emgordon154 944 36
    7th pardouin 🇫🇷 944 36
    7th lynn 944 36
    7th FlyingPenguin223 944 36
    7th fuzzylojik-golf 🇺🇸 944 36
    7th snoozingnewt 🇨🇦 944 36
    7th dokutan 944 36
    7th madex 🇩🇪 944 36
    7th blaztoma 🇱🇹 944 36
    32nd UladzimirSukharukau 919 37
    32nd janlelis 919 37
    32nd gilufin 919 37
    32nd NewDefectus 🇮🇱 919 37
    32nd akshatj27 🇦🇶 919 37
    32nd Irratix 🇳🇱 919 37
    32nd janbehrens 🇩🇪 919 37
    32nd ls-samer-abuthaher 919 37
    32nd Yewzir 🇧🇪 919 37
    32nd olleicua 🇺🇸 919 37
    32nd qwertyuiop3 🇷🇺 919 37
    32nd Natanaelel 🇸🇪 919 37
    32nd edsrzf 🇳🇿 919 37
    32nd Matter1024 🇮🇳 919 37
    32nd CaedenHarper 🇨🇦 919 37
    32nd solisolu 919 37
    32nd albanian-laundromat 🇺🇸 919 37
    32nd JOrE20 919 37
    50th adoxography 895 38
    50th acornellier 895 38
    50th hrrs01 895 38
    50th handisb 895 38
    50th mogron 895 38
    50th proton 🇩🇪 895 38
    50th Waffle3z 895 38
    50th KatieLG 🇬🇧 895 38
    50th jaredcrystal 🇺🇸 895 38
    50th anter69 🇭🇺 895 38
    50th olivermrose 🇺🇸 895 38
    50th yzhs 🇩🇪 895 38
    50th 4hg 🇺🇸 895 38
    50th Andriamanitra 🇫🇮 895 38
    50th rniii 895 38
    50th wlaud9 895 38
    50th error256 895 38
    50th aydamak 895 38
    50th LostSyntax21 🇬🇧 895 38
    50th tatzyr 🇯🇵 895 38
    50th ejini6969 895 38
    50th csharpython 895 38
    50th vishal-mohanty 895 38
    50th AetherQuantity 895 38
    50th RainVniaR 🇵🇱 895 38
    50th denkyuu1 895 38
    50th aksyristos 895 38
    50th scpchicken 🇵🇼 895 38
    50th CornerMercury 🇬🇧 895 38
    79th graft 872 39
    79th ConorOBrien-Foxx 872 39
    79th sk- 872 39
    79th sapphyrus 872 39
    79th meenie 872 39
    79th schachmattmatt 872 39
    79th kinoute 🇫🇷 872 39
    79th Haksell 872 39
    79th AlephSquirrel 872 39
    79th aaronze 🇦🇺 872 39
    79th TheZwierzLF 🇵🇱 872 39
    90th segiddins 850 40
    90th TFeld00 🇩🇰 850 40
    90th flavono123 850 40
    90th snltd 850 40
    90th n1LS 850 40
    90th jstanley0 850 40
    90th Marin-Kitagawa 850 40
    90th Luj8n 850 40
    90th HallMatthew314 850 40
    90th fynnkroeger 850 40
    90th Ralac07 🇦🇺 850 40