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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

    Card Number Validation in all languages in chars.

    # Golfer Points Chars Time Submitted
    801st nstearns96 🇬🇧 494 130
    801st Stockoh 🇫🇷 494 130
    803rd HumanoidCPU 492 145
    804th inverseLorentz 🇦🇺 490 131
    804th sciencejiho 490 131
    804th Jaydosu 490 131
    804th Emutis 🇱🇹 490 131
    804th samnak2 490 131
    804th Mikey-Beep 🇬🇧 490 131
    810th MeWhenI 🇻🇦 490 149
    811th msbranicky 488 146
    812th CarterStroik 488 161
    813th owen-c-parker 🇺🇸 487 131
    814th sultan 486 132
    815th snoozingnewt 🇨🇦 486 249
    816th NameRandomString 485 97
    817th h-hh-hhh 🇺🇦 485 177
    818th Mabeloid 🇳🇴 483 133
    818th Mefred 483 133
    820th jlangvand 482 141
    820th HumanoidCPU 482 141
    822nd snoozingnewt 🇨🇦 481 150
    823rd mitzal 477 180
    824th snoozingnewt 🇨🇦 476 173
    825th MiffOttah 475 150
    825th mwarvik 🇳🇴 475 150
    827th snoozingnewt 🇨🇦 474 117
    828th sciencedjinn 472 136
    828th mchalunderscore 472 136
    828th Florian-Mt 472 136
    831st MeWhenI 🇻🇦 469 104
    832nd kurkale6ka 468 137
    832nd 4ndyJ 🇬🇧 468 137
    832nd wobblybits 468 137
    832nd Andrey2001 468 137
    832nd tomh1012 468 137
    832nd Aquateraneal 🇺🇸 468 137
    838th luca1339 467 198
    839th h-hh-hhh 🇺🇦 463 147
    840th DialFrost 🇸🇬 460 106
    841st ejini6969 459 102
    842nd NanduBC 458 140
    842nd jmerle 🇳🇱 458 140
    842nd RobertHoeh 458 140
    842nd smilesformiles3 458 140
    842nd artem-aramma 458 140
    847th alphafalfa 457 92
    848th Jacob385 457 202
    849th FranklinJiaChen 455 141
    849th codewrite 🇬🇧 455 141
    851st snoozingnewt 🇨🇦 454 121
    852nd snoozingnewt 🇨🇦 454 200
    853rd brimstonetrader 452 142
    853rd RobGLambert 452 142
    853rd GodlyProgrammer1 452 142
    853rd jbjd 452 142
    857th madex 🇩🇪 450 104
    858th jbjd 450 151
    859th GeneralFabian 449 143
    859th CutSandstone 449 143
    859th kistlerf 🇨🇭 449 143
    859th yzhs 🇩🇪 449 143
    863rd iczelia 🇩🇪 447 94
    864th TheZwierzLF 🇵🇱 446 105
    865th hiichbindermax 446 144
    865th mathisfun271 446 144
    865th bob-th 446 144
    865th knutae 🇳🇴 446 144
    869th snoozingnewt 🇨🇦 446 149
    870th snoozingnewt 🇨🇦 446 176
    871st Arkadios200 446 180
    872nd TheZwierzLF 🇵🇱 444 127
    873rd IISResetMe 442 103
    874th croc54 440 146
    874th zgialor-lab 🇺🇸 440 146
    876th snoozingnewt 🇨🇦 438 96
    877th Andrey2001 437 129
    878th MyXoToD 🇩🇪 437 146
    879th PyryL 🇫🇮 437 147
    880th kmathis22 437 163
    881st grey0ut 434 105
    882nd mbittner20 434 148
    882nd YAJUE114514 434 148
    884th Yewzir 🇧🇪 434 171
    885th dokutan 432 109
    886th psaban 431 149
    886th TheZwierzLF 🇵🇱 431 149
    886th RodAlc24 🇪🇸 431 149
    889th dokutan 429 63
    890th KatieLG 🇬🇧 429 183
    891st Shanethegamer 🇺🇸 428 114
    892nd jameswmccarty 428 150
    892nd yousefalizadeh 428 150
    892nd feherd 428 150
    892nd kadamkaustubh 428 150
    896th kasarino 428 222
    897th varhammer 🇷🇺 426 223
    898th Mabeloid 🇳🇴 424 133
    899th snoozingnewt 🇨🇦 422 111
    900th dokutan 422 130