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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

    Catalan Numbers in all languages in chars.

    # Golfer Points Chars Time Submitted
    1,901st olleicua 🇺🇸 24 8,419
    1,902nd KatieLG 🇬🇧 23 2,710
    1,903rd HumanoidCPU 23 2,877
    1,903rd Shanethegamer 🇺🇸 23 2,877
    1,903rd CaedenHarper 🇨🇦 23 2,877
    1,906th scpchicken 🇵🇼 23 2,884
    1,907th KatieLG 🇬🇧 23 4,765
    1,908th retrohun 23 8,421
    1,909th HumanoidCPU 23 8,485
    1,909th CaedenHarper 🇨🇦 23 8,485
    1,909th JOrE20 23 8,485
    1,912th MeWhenI 🇻🇦 23 8,769
    1,913th jmerle 🇳🇱 23 8,791
    1,914th Waffle3z 22 1,365
    1,915th HumanoidCPU 22 2,893
    1,915th CaedenHarper 🇨🇦 22 2,893
    1,917th Mabeloid 🇳🇴 22 2,898
    1,918th scpchicken 🇵🇼 22 8,830
    1,919th Stockoh 🇫🇷 22 8,930
    1,920th HumanoidCPU 21 1,460
    1,921st AkashTandon167 21 2,035
    1,922nd KatieLG 🇬🇧 21 2,474
    1,923rd HumanoidCPU 21 2,894
    1,924th KatieLG 🇬🇧 21 2,903
    1,924th HumanoidCPU 21 2,903
    1,926th CaedenHarper 🇨🇦 21 2,905
    1,927th Mabeloid 🇳🇴 21 2,910
    1,928th retrohun 21 2,913
    1,929th KatieLG-Transpiler 🇬🇧 21 2,914
    1,930th retrohun 21 2,993
    1,931st LostSyntax21 🇬🇧 21 9,633
    1,932nd dokutan 20 1,500
    1,932nd scpchicken 🇵🇼 20 1,500
    1,934th KatieLG 🇬🇧 20 2,993
    1,934th CaedenHarper 🇨🇦 20 2,993
    1,936th KatieLG-Transpiler 🇬🇧 20 3,028
    1,937th dokutan 19 2,414
    1,938th KatieLG 🇬🇧 19 2,622
    1,939th KatieLG-Transpiler 🇬🇧 18 2,880
    1,939th HumanoidCPU 18 2,880
    1,939th Mabeloid 🇳🇴 18 2,880
    1,939th CaedenHarper 🇨🇦 18 2,880
    1,943rd retrohun 18 2,885
    1,944th akshatj27 🇦🇶 18 10,902
    1,945th dokutan 17 988
    1,946th JRaspass 🇬🇧 17 2,878
    1,946th KatieLG 🇬🇧 17 2,878
    1,946th JRaspass 🇬🇧 17 2,878
    1,946th KatieLG-Transpiler 🇬🇧 17 2,878
    1,946th retrohun 17 2,878
    1,946th retrohun 17 2,878
    1,946th Shanethegamer 🇺🇸 17 2,878
    1,946th HumanoidCPU 17 2,878
    1,946th Mabeloid 🇳🇴 17 2,878
    1,946th Mabeloid 🇳🇴 17 2,878
    1,946th CaedenHarper 🇨🇦 17 2,878
    1,946th CaedenHarper 🇨🇦 17 2,878
    1,958th KatieLG-Transpiler 🇬🇧 17 2,879
    1,958th HumanoidCPU 17 2,879
    1,958th CaedenHarper 🇨🇦 17 2,879
    1,958th BREMAUCY 🇫🇷 17 2,879
    1,958th prestosilver 🇺🇸 17 2,879
    1,963rd KatieLG 🇬🇧 17 2,880
    1,963rd HumanoidCPU 17 2,880
    1,963rd KatieLG-Transpiler 🇬🇧 17 2,880
    1,963rd Mabeloid 🇳🇴 17 2,880
    1,963rd CaedenHarper 🇨🇦 17 2,880
    1,963rd raphaelimahorn 17 2,880
    1,969th KatieLG 🇬🇧 17 2,881
    1,969th Mabeloid 🇳🇴 17 2,881
    1,969th CaedenHarper 🇨🇦 17 2,881
    1,969th gigaprofisi 🇺🇸 17 2,881
    1,973rd Herbert00709 🇵🇱 17 2,882
    1,974th scpchicken 🇵🇼 17 2,889
    1,975th retrohun 17 2,908
    1,976th Mabeloid 🇳🇴 17 2,910
    1,977th zakariamouhid 17 2,922
    1,978th rucin93 🇵🇱 17 2,923
    1,979th voytxt 🇨🇿 17 2,940
    1,980th scpchicken 🇵🇼 17 2,982
    1,981st HumanoidCPU 17 3,081
    1,981st CaedenHarper 🇨🇦 17 3,081
    1,983rd retrohun 17 3,086
    1,984th MichaelMBradley 🇨🇦 17 11,612
    1,985th voytxt 🇨🇿 17 11,960
    1,986th madeforlosers 17 11,966
    1,987th aalec 17 11,973
    1,988th dokutan 16 2,805
    1,989th KatieLG-Transpiler 🇬🇧 16 2,977
    1,990th Carlos-EAC 16 3,098
    1,991st KatieLG 🇬🇧 16 3,126
    1,992nd roelderickx 16 11,999
    1,993rd KatieLG-Transpiler 🇬🇧 16 12,226
    1,993rd KatieLG 🇬🇧 16 12,226
    1,995th Jacob385 16 12,445
    1,996th KatieLG 🇬🇧 15 2,590
    1,997th KatieLG 🇬🇧 15 2,709
    1,998th retrohun 15 2,883
    1,998th HumanoidCPU 15 2,883
    1,998th Mabeloid 🇳🇴 15 2,883