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 MostParsingVex 542 90
    802nd CaedenHarper 🇨🇦 541 104
    803rd edsrzf 🇳🇿 541 135
    804th zakariamouhid 540 118
    805th kmathis22 540 171
    806th denkyuu1 539 71
    807th PyryL 🇫🇮 539 147
    808th denkyuu1 538 102
    809th JDiLenarda 🇫🇷 537 165
    810th eranws 536 119
    811th mbittner20 536 148
    811th YAJUE114514 536 148
    813th Sciman101 534 147
    814th kasarino 534 222
    815th dokutan 533 131
    816th dokutan 532 134
    817th psaban 532 149
    817th TheZwierzLF 🇵🇱 532 149
    817th RodAlc24 🇪🇸 532 149
    820th xyangst 531 171
    821st Matter1024 🇮🇳 530 147
    822nd FlorianCassayre 🇫🇷 529 150
    822nd jameswmccarty 529 150
    822nd yousefalizadeh 529 150
    822nd feherd 529 150
    822nd kadamkaustubh 529 150
    827th yzhs 🇩🇪 528 135
    828th MeWhenI 🇻🇦 527 73
    829th deancureton 527 121
    830th dokutan 526 107
    831st msbranicky 524 185
    832nd Protothor 522 122
    833rd adamnielson42 🇺🇸 522 152
    833rd voidgloom 522 152
    833rd omero-san 522 152
    833rd brochmann 🇸🇪 522 152
    837th msbranicky 519 126
    838th msbranicky 519 175
    839th Macweese 519 178
    840th xyangst 518 153
    840th denisfouchard 518 153
    840th NacMacFigl 518 153
    843rd JRaspass 🇬🇧 517 74
    844th isaiah0311 🇺🇸 517 135
    845th snoozingnewt 🇨🇦 517 213
    846th osNiko 🇧🇷 515 154
    847th TheZwierzLF 🇵🇱 513 127
    848th bac0id 513 180
    849th celiendonze 🇨🇭 512 155
    850th galloj 🇨🇿 509 112
    851st KatieLG 🇬🇧 509 140
    852nd travisdoesmath 508 156
    852nd Shotokhan 508 156
    854th Andrey2001 505 129
    855th dokutan 505 143
    856th lhulinsky 505 157
    857th yoshykai 505 183
    858th sidok 504 109
    859th snoozingnewt 🇨🇦 502 142
    860th ellis-rix 502 158
    861st KatieLG 🇬🇧 500 146
    862nd Chinay-Domitrix 🇺🇸 499 131
    863rd webmiche 499 159
    864th dokutan 498 126
    865th nephila-nacrea 🇬🇧 497 77
    866th CheeseCake628 🇳🇴 496 160
    867th msbranicky 495 138
    868th jlangvand 495 141
    868th HumanoidCPU 495 141
    870th pres-abhisheksinha 493 161
    870th shutburrito 493 161
    872nd HumanoidCPU 492 145
    873rd Mabeloid 🇳🇴 490 133
    874th MeWhenI 🇻🇦 490 149
    875th ibixina 490 162
    875th TheAtrossian 490 162
    877th msbranicky 488 146
    878th CarterStroik 488 161
    879th owen-c-parker 🇺🇸 487 131
    880th snoozingnewt 🇨🇦 486 249
    881st NameRandomString 485 97
    882nd h-hh-hhh 🇺🇦 485 177
    883rd snoozingnewt 🇨🇦 481 150
    884th Vaekor 481 165
    885th JunkIce 479 136
    886th osNiko 🇧🇷 478 72
    887th mitzal 477 180
    888th snoozingnewt 🇨🇦 476 173
    889th h-hh-hhh 🇺🇦 475 147
    890th MiffOttah 475 150
    890th mwarvik 🇳🇴 475 150
    892nd snoozingnewt 🇨🇦 474 117
    893rd MeWhenI 🇻🇦 469 104
    894th JesseNoEyes 🇺🇸 469 169
    895th luca1339 467 198
    896th zyc-2024 🇨🇳 466 170
    897th ComputerKWasTaken 🇺🇸 464 171
    898th jbjd 462 151
    899th DialFrost 🇸🇬 460 106
    900th ejini6969 459 102