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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
    1,790th madeforlosers 23 2,006
    1,802nd JRaspass 🇬🇧 23 2,008
    1,802nd pbarath 23 2,008
    1,802nd theunofficialcoder 23 2,008
    1,802nd mokymok 🇺🇸 23 2,008
    1,802nd mokymok 🇺🇸 23 2,008
    1,802nd KatieLG-Transpiler 🇬🇧 23 2,008
    1,802nd retrohun 23 2,008
    1,802nd retrohun 23 2,008
    1,802nd HumanoidCPU 23 2,008
    1,802nd KatieLG-Transpiler 🇬🇧 23 2,008
    1,802nd Mabeloid 🇳🇴 23 2,008
    1,802nd Mabeloid 🇳🇴 23 2,008
    1,802nd kurkale6ka 23 2,008
    1,802nd CaedenHarper 🇨🇦 23 2,008
    1,802nd madeforlosers 23 2,008
    1,802nd madeforlosers 23 2,008
    1,818th Shanethegamer 🇺🇸 22 2,006
    1,819th madeforlosers 22 2,008
    1,820th KatieLG-Transpiler 🇬🇧 22 2,055
    1,821st JRaspass 🇬🇧 21 2,005
    1,821st KatieLG-Transpiler 🇬🇧 21 2,005
    1,821st retrohun 21 2,005
    1,821st Haksell 21 2,005
    1,821st Mabeloid 🇳🇴 21 2,005
    1,821st madeforlosers 21 2,005
    1,827th mokymok 🇺🇸 21 2,006
    1,828th dokutan 21 3,167
    1,828th CaedenHarper 🇨🇦 21 3,167
    1,830th retrohun 20 2,003
    1,831st JRaspass 🇬🇧 20 2,005
    1,831st mokymok 🇺🇸 20 2,005
    1,831st KatieLG-Transpiler 🇬🇧 20 2,005
    1,831st HumanoidCPU 20 2,005
    1,831st Mabeloid 🇳🇴 20 2,005
    1,831st CaedenHarper 🇨🇦 20 2,005
    1,831st madeforlosers 20 2,005
    1,838th HumanoidCPU 20 2,013
    1,838th KatieLG-Transpiler 🇬🇧 20 2,013
    1,838th Mabeloid 🇳🇴 20 2,013
    1,838th CaedenHarper 🇨🇦 20 2,013
    1,838th madeforlosers 20 2,013
    1,843rd Shanethegamer 🇺🇸 19 2,006
    1,843rd CaedenHarper 🇨🇦 19 2,006
    1,845th KatieLG-Transpiler 🇬🇧 19 2,010
    1,845th retrohun 19 2,010
    1,845th Mabeloid 🇳🇴 19 2,010
    1,845th madeforlosers 19 2,010
    1,849th HumanoidCPU 19 2,011
    1,849th CaedenHarper 🇨🇦 19 2,011
    1,851st madeforlosers 19 2,013
    1,852nd Mabeloid 🇳🇴 19 2,015
    1,853rd KatieLG-Transpiler 🇬🇧 19 2,018
    1,854th KatieLG 🇬🇧 18 1,009
    1,855th Omega65536 🇩🇪 18 1,015
    1,856th mokymok 🇺🇸 18 2,001
    1,856th MaxCastella 🇫🇷 18 2,001
    1,856th HumanoidCPU 18 2,001
    1,856th Mabeloid 🇳🇴 18 2,001
    1,856th CaedenHarper 🇨🇦 18 2,001
    1,856th madeforlosers 18 2,001
    1,862nd HCRitter 🇩🇪 18 2,002
    1,863rd theunofficialcoder 18 2,004
    1,863rd mokymok 🇺🇸 18 2,004
    1,863rd Mabeloid 🇳🇴 18 2,004
    1,863rd CaedenHarper 🇨🇦 18 2,004
    1,863rd madeforlosers 18 2,004
    1,868th KatieLG 🇬🇧 18 2,006
    1,868th KatieLG-Transpiler 🇬🇧 18 2,006
    1,868th KatieLG-Transpiler 🇬🇧 18 2,006
    1,871st retrohun 18 2,012
    1,872nd tomtheisen 🇺🇸 18 4,032
    1,873rd stefangimmillaro 18 4,033
    1,873rd elgan65536 🇺🇸 18 4,033
    1,875th Waffle3z 18 4,034
    1,875th galloj 🇨🇿 18 4,034
    1,877th Just4FunCoder 18 4,037
    1,878th madeforlosers 18 4,043
    1,879th iczelia 🇩🇪 18 4,050
    1,880th msbranicky 18 4,064
    1,881st jmerle 🇳🇱 18 4,077
    1,882nd kurkale6ka 16 2,005
    1,882nd theunofficialcoder 16 2,005
    1,882nd KatieLG-Transpiler 🇬🇧 16 2,005
    1,882nd retrohun 16 2,005
    1,882nd kcinnu 🇱🇹 16 2,005
    1,882nd HumanoidCPU 16 2,005
    1,882nd Mabeloid 🇳🇴 16 2,005
    1,882nd CaedenHarper 🇨🇦 16 2,005
    1,882nd madeforlosers 16 2,005
    1,891st retrohun 16 4,001
    1,892nd Jacob385 16 4,139
    1,893rd olleicua 🇺🇸 16 4,690
    1,894th JOrE20 16 4,692
    1,895th neel11235813 16 4,693
    1,895th HumanoidCPU 16 4,693
    1,895th CaedenHarper 🇨🇦 16 4,693
    1,898th dymowski 16 4,694
    1,899th mokymok 🇺🇸 16 4,696
    1,900th charliegaming 16 4,698