Ctrl+P again to print, arrows/tab to navigate results, enter to confirm

    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 bytes.

    # Golfer Points Bytes Time Submitted
    801st snoozingnewt 🇨🇦 543 170
    802nd MostParsingVex 542 90
    803rd CaedenHarper 🇨🇦 541 104
    804th edsrzf 🇳🇿 541 135
    805th zakariamouhid 540 118
    806th kmathis22 540 171
    807th denkyuu1 539 71
    808th PyryL 🇫🇮 539 147
    809th denkyuu1 538 102
    810th JDiLenarda 🇫🇷 537 165
    811th eranws 536 119
    812th mbittner20 536 148
    812th YAJUE114514 536 148
    814th kasarino 536 221
    815th Sciman101 534 147
    816th dokutan 533 131
    817th dokutan 532 134
    818th psaban 532 149
    818th TheZwierzLF 🇵🇱 532 149
    818th RodAlc24 🇪🇸 532 149
    821st xyangst 531 171
    822nd Matter1024 🇮🇳 530 147
    823rd FlorianCassayre 🇫🇷 529 150
    823rd jameswmccarty 529 150
    823rd yousefalizadeh 529 150
    823rd feherd 529 150
    823rd kadamkaustubh 529 150
    828th yzhs 🇩🇪 528 135
    829th MeWhenI 🇻🇦 527 73
    830th deancureton 527 121
    831st dokutan 526 107
    832nd msbranicky 524 185
    833rd Protothor 522 122
    834th adamnielson42 🇺🇸 522 152
    834th voidgloom 522 152
    834th omero-san 522 152
    834th brochmann 🇸🇪 522 152
    838th msbranicky 519 126
    839th msbranicky 519 175
    840th Macweese 519 178
    841st xyangst 518 153
    841st denisfouchard 518 153
    841st NacMacFigl 518 153
    844th JRaspass 🇬🇧 517 74
    845th isaiah0311 🇺🇸 517 135
    846th snoozingnewt 🇨🇦 517 213
    847th osNiko 🇧🇷 515 154
    848th TheZwierzLF 🇵🇱 513 127
    849th bac0id 513 180
    850th celiendonze 🇨🇭 512 155
    851st galloj 🇨🇿 509 112
    852nd KatieLG 🇬🇧 509 140
    853rd travisdoesmath 508 156
    853rd Shotokhan 508 156
    855th Andrey2001 505 129
    856th dokutan 505 143
    857th lhulinsky 505 157
    858th yoshykai 505 183
    859th sidok 504 109
    860th snoozingnewt 🇨🇦 502 142
    861st ellis-rix 502 158
    862nd KatieLG 🇬🇧 500 146
    863rd Chinay-Domitrix 🇺🇸 499 131
    864th webmiche 499 159
    865th dokutan 498 126
    866th nephila-nacrea 🇬🇧 497 77
    867th CheeseCake628 🇳🇴 496 160
    868th msbranicky 495 138
    869th jlangvand 495 141
    869th HumanoidCPU 495 141
    871st pres-abhisheksinha 493 161
    871st shutburrito 493 161
    873rd HumanoidCPU 492 145
    874th Mabeloid 🇳🇴 490 133
    875th MeWhenI 🇻🇦 490 149
    876th ibixina 490 162
    876th TheAtrossian 490 162
    878th msbranicky 488 146
    879th CarterStroik 488 161
    880th owen-c-parker 🇺🇸 487 131
    881st snoozingnewt 🇨🇦 486 249
    882nd NameRandomString 485 97
    883rd h-hh-hhh 🇺🇦 485 177
    884th snoozingnewt 🇨🇦 481 150
    885th Vaekor 481 165
    886th JunkIce 479 136
    887th osNiko 🇧🇷 478 72
    888th mitzal 477 180
    889th snoozingnewt 🇨🇦 476 173
    890th h-hh-hhh 🇺🇦 475 147
    891st MiffOttah 475 150
    891st mwarvik 🇳🇴 475 150
    893rd snoozingnewt 🇨🇦 474 117
    894th MeWhenI 🇻🇦 469 104
    895th JesseNoEyes 🇺🇸 469 169
    896th luca1339 467 198
    897th zyc-2024 🇨🇳 466 170
    898th ComputerKWasTaken 🇺🇸 464 171
    899th jbjd 462 151
    900th DialFrost 🇸🇬 460 106