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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

    Happy Numbers in all languages in chars.

    # Golfer Points Chars Time Submitted
    1,601st Just4FunCoder 534 327
    1,602nd dokutan 533 78
    1,603rd DaleNaci 533 88
    1,603rd kevokevol 533 88
    1,603rd hggcgio 533 88
    1,603rd alexandre-lavoie 533 88
    1,603rd vprab 533 88
    1,603rd Anonymousellama21 533 88
    1,603rd yourlefthandman 533 88
    1,603rd Heathcorp 🇦🇺 533 88
    1,603rd martijnckx 533 88
    1,603rd luyckxrobbe 533 88
    1,603rd RJFuller 533 88
    1,603rd imelxr 🇮🇱 533 88
    1,603rd Mabeloid 🇳🇴 533 88
    1,603rd arincon-dev 533 88
    1,603rd EDZ94 533 88
    1,618th cmorten 533 92
    1,618th NatNgs 533 92
    1,618th BBoehm 🇩🇪 533 92
    1,618th omurakazuaki 🇯🇵 533 92
    1,618th Davr1 🇨🇿 533 92
    1,618th alexsave 533 92
    1,624th anastos 533 107
    1,625th snoozingnewt 🇨🇦 533 127
    1,626th mousetail 🇳🇱 532 54
    1,627th filharmonista 531 98
    1,628th Yewzir 🇧🇪 531 110
    1,629th TaserTheFox 🇺🇸 531 159
    1,629th Jacob385 531 159
    1,631st Irratix 🇳🇱 530 76
    1,632nd msbranicky 530 90
    1,633rd Re-Adventures 🇮🇳 530 129
    1,634th iczelia 🇩🇪 530 329
    1,635th snoozingnewt 🇨🇦 529 50
    1,636th prestosilver 🇺🇸 528 78
    1,637th labster 528 85
    1,637th Shanethegamer 🇺🇸 528 85
    1,639th retrohun 528 96
    1,640th drbalan 528 108
    1,641st mousetail 🇳🇱 528 118
    1,642nd Natanaelel 🇸🇪 527 81
    1,643rd PossessedLego 527 89
    1,643rd AforAmpere 527 89
    1,643rd inverseLorentz 🇦🇺 527 89
    1,643rd wuzekai518 527 89
    1,643rd netfri25 🇮🇱 527 89
    1,648th user189032 527 93
    1,648th LukeBridges 🇬🇧 527 93
    1,650th cafehaine 🇫🇷 526 95
    1,651st Babafaba 526 99
    1,652nd jerrandolph 525 161
    1,653rd gilufin 524 55
    1,653rd Natanaelel 🇸🇪 524 55
    1,655th Waffle3z 524 138
    1,655th KatieLG 🇬🇧 524 138
    1,655th stellartux 524 138
    1,655th Shanethegamer 🇺🇸 524 138
    1,655th HumanoidCPU 524 138
    1,655th snoozingnewt 🇨🇦 524 138
    1,661st HallMatthew314 523 109
    1,662nd Shanethegamer 🇺🇸 523 119
    1,662nd MeWhenI 🇻🇦 523 119
    1,662nd Yewzir 🇧🇪 523 119
    1,665th dokutan 523 334
    1,665th elgan65536 🇺🇸 523 334
    1,667th Indivicivet 522 58
    1,668th dokutan 522 79
    1,669th MeWhenI 🇻🇦 521 73
    1,670th ssilwa 521 90
    1,670th AgathokakologicalBit 521 90
    1,670th Jviscus1 521 90
    1,670th hjcafaroUC 521 90
    1,670th redbeancola 521 90
    1,670th j-Ewan 521 90
    1,670th pascscha 521 90
    1,670th MaxElf999 521 90
    1,670th chartung17 521 90
    1,670th NerdyMcNerd42 521 90
    1,670th phucthaiv02 521 90
    1,670th cuvam 🇺🇸 521 90
    1,682nd Kesefon 521 94
    1,683rd LorenzoDeGaspari 521 100
    1,684th Betuaredead 521 162
    1,685th MichalMarsalek 🇨🇿 521 335
    1,686th snoozingnewt 🇨🇦 520 105
    1,687th KatieLG-Transpiler 🇬🇧 520 139
    1,687th Mabeloid 🇳🇴 520 139
    1,689th nlc 519 51
    1,690th janbehrens 🇩🇪 519 63
    1,691st Matgc04 519 103
    1,692nd dokutan 518 92
    1,693rd targrik 518 163
    1,694th AshyIsMe 🇦🇺 517 41
    1,695th UpwardProcess 516 87
    1,695th dsech 516 87
    1,697th mintypython 516 95
    1,697th tomh1012 516 95
    1,697th KingSkyrock 🇺🇸 516 95
    1,697th a6166231 🇨🇳 516 95