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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

    Kolakoski Sequence in all languages in chars.

    # Golfer Points Chars Time Submitted
    1,901st Stockoh 🇫🇷 16 4,702
    1,902nd KatieLG-Transpiler 🇬🇧 16 4,755
    1,902nd KatieLG 🇬🇧 16 4,755
    1,904th andersk 🇺🇸 15 2,004
    1,904th Shanethegamer 🇺🇸 15 2,004
    1,904th HumanoidCPU 15 2,004
    1,904th Mabeloid 🇳🇴 15 2,004
    1,904th madeforlosers 15 2,004
    1,909th RustemB 🇷🇺 15 2,005
    1,909th mokymok 🇺🇸 15 2,005
    1,909th KatieLG-Transpiler 🇬🇧 15 2,005
    1,909th retrohun 15 2,005
    1,909th HumanoidCPU 15 2,005
    1,909th Mabeloid 🇳🇴 15 2,005
    1,909th CaedenHarper 🇨🇦 15 2,005
    1,909th madeforlosers 15 2,005
    1,917th JRaspass 🇬🇧 15 2,006
    1,917th KatieLG 🇬🇧 15 2,006
    1,917th mothcolada 🇺🇸 15 2,006
    1,917th mokymok 🇺🇸 15 2,006
    1,917th KatieLG-Transpiler 🇬🇧 15 2,006
    1,917th CaedenHarper 🇨🇦 15 2,006
    1,923rd KatieLG 🇬🇧 14 4,882
    1,924th Waffle3z 13 5,125
    1,925th KatieLG 🇬🇧 12 2,001
    1,925th KatieLG-Transpiler 🇬🇧 12 2,001
    1,925th HumanoidCPU 12 2,001
    1,925th Mabeloid 🇳🇴 12 2,001
    1,925th madeforlosers 12 2,001
    1,930th retrohun 12 2,005
    1,931st Shanethegamer 🇺🇸 11 1,004
    1,932nd dokutan 11 1,015
    1,933rd KatieLG 🇬🇧 11 2,007
    1,933rd CaedenHarper 🇨🇦 11 2,007
    1,935th KatieLG-Transpiler 🇬🇧 11 2,015
    1,936th KatieLG-Transpiler 🇬🇧 11 6,242
    1,937th KatieLG-Transpiler 🇬🇧 9 2,004
    1,937th retrohun 9 2,004
    1,937th Mabeloid 🇳🇴 9 2,004
    1,940th gigaprofisi 🇺🇸 9 2,012
    1,941st retrohun 9 7,237
    1,941st madeforlosers 9 7,237
    1,943rd Mabeloid 🇳🇴 7 2,013
    1,943rd retrohun 7 2,013
    1,943rd madeforlosers 7 2,013
    1,946th HumanoidCPU 7 2,019
    1,946th CaedenHarper 🇨🇦 7 2,019
    1,948th KatieLG 🇬🇧 7 2,022
    1,949th HumanoidCPU 6 2,000
    1,949th CaedenHarper 🇨🇦 6 2,000
    1,951st KatieLG 🇬🇧 5 2,001
    1,952nd CaedenHarper 🇨🇦 4 4,001
    1,953rd retrohun 2 37,010
    1,953rd Mabeloid 🇳🇴 2 37,010
    1,955th Dazza314 🇬🇧 1 81,688
    1,956th someCoder-a11y 0 13
    1,956th CornerMercury 🇬🇧 0 13
    1,958th zacjl 0 15
    1,958th namelessiw 0 15
    1,960th ovs-code 🇩🇪 0 16
    1,960th Europe2048 🇺🇦 0 16
    1,962nd kg583 🇺🇸 0 19
    1,963rd Europe2048 🇺🇦 0 20
    1,964th ovs-code 🇩🇪 0 23
    1,964th Europe2048 🇺🇦 0 23
    1,966th GrayJoKing 🇦🇺 0 24
    1,966th hrishikesh-paul 0 24
    1,968th maweowo 🇩🇪 0 26
    1,969th AlephSquirrel 0 27
    1,969th someCoder-a11y 0 27
    1,971st ovs-code 🇩🇪 0 28
    1,971st aditsu 0 28
    1,971st Europe2048 🇺🇦 0 28
    1,974th ndren 0 29
    1,975th Shanethegamer 🇺🇸 0 42
    1,976th padril 0 43
    1,977th sean-niemann 🇺🇸 0 65
    1,978th JOrE20 0 68
    1,979th dokutan 0 71
    1,979th Yewzir 🇧🇪 0 71
    1,981st dokutan 0 77
    1,982nd Yewzir 🇧🇪 0 78
    1,982nd scpchicken 🇵🇼 0 78
    1,984th DialFrost 🇸🇬 0 79
    1,985th scpchicken 🇵🇼 0 81
    1,985th dokutan 0 81
    1,987th Yewzir 🇧🇪 0 84
    1,988th Matter1024 🇮🇳 0 85
    1,989th dokutan 0 94
    1,990th dokutan 0 107
    1,991st albanian-laundromat 🇺🇸 0 113
    1,992nd FortuiteMan 🇫🇷 0 161
    1,993rd HumanoidCPU 0 170
    1,994th dokutan 0 210
    1,995th dokutan 0 338
    1,996th dokutan 0 360
    1,997th dokutan 0 396
    1,998th dokutan 0 422
    1,999th dokutan 0 464
    2,000th Shanethegamer 🇺🇸 0 1,004