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?

    JRaspass (he/him) 🇬🇧

    71,231
    66,094
    🥇45
    🥈2
    🥉4

    Code Monkey, mainly working on https://code.golf & https://raku.land

    🔑

    Admin

    113 / 133 Holes

    🔣

    21 / 65 Langs

    🏆

    76 / 116 Cheevos

    📅

    3 Referrals

    12 Days of Christmas
    3,400th1,096th 1,464th3,023rd922nd1,639th 3,169th1,631st2,533rd3,442nd 2,479th1,714th3,348th1,531st3,802nd3,736th
    24 Game
    892nd
    99 Bottles of Beer
    3,014th 2,337th539th2,420th 1,718th2,961st 1,616th2,096th 3,119th 2,294th
    Abundant Numbers
    4,140th4,192nd 4,295th3,996th1,337th2,188th 4,366th4,049th3,039th4,096th 1,234th4,396th3,791st4,026th4,232nd4,112th
    Abundant Numbers (Long)
    2,688th 834th 2,171st 1,744th
    Alphabetic Numbers
    292nd
    Arabic to Roman
    1,308th 1,422nd 1,336th
    Arithmetic Numbers
    1,196th
    Arrows
    959th 615th
    Ascending Primes
    386th
    ASCII Table
    1,769th 2,043rd1,562nd 1,665th1,112th 2,251st2,228th1,353rd1,961st 1,540th
    brainfuck
    699th 810th 993rd
    Calendar
    444th
    Card Number Validation
    778th
    Catalan Numbers
    1,781st1,696th 1,946th2,016th750th2,038th 2,050th1,772nd1,346th1,747th 1,158th2,070th1,569th1,946th1,872nd1,707th
    Catalan’s Constant
    1,285th1,072nd 1,441st1,603rd1,012th1,598th 1,766th1,236th1,636th1,462nd 1,552nd1,753rd756th1,541st1,180th1,105th
    Christmas Trees
    2,986th2,857th 3,008th2,939th2,690th2,885th 3,058th2,800th462nd2,869th 1,816th3,092nd2,652nd2,915th2,784th2,933rd
    Collatz
    3,590th2,738th 3,590th3,486th1,533rd3,550th 3,618th3,437th1,178th3,531st 957th3,610th3,333rd2,646th3,486th3,502nd
    Continued Fractions
    268th
    CSS Colors
    1,141st1,075th 993rd 1,162nd 1,080th 1,021st
    Cubes
    1,401st1,460th 1,629th1,561st1,315th1,629th 1,691st1,545th611th1,453rd 1,749th1,737th1,224th1,432nd1,355th1,522nd
    Day of Week
    1,321st 1,270th 1,332nd
    Diamonds
    2,316th2,310th 2,328th2,384th2,090th2,267th 2,426th2,177th836th2,379th 562nd2,479th2,033rd2,363rd2,251st2,191st
    Divisors
    5,497th5,406th 5,488th5,412th1,325th5,458th 5,543rd5,311th2,714th5,471st 1,932nd5,517th5,218th5,362nd5,369th5,391st
    Emirp Numbers
    2,167th2,041st 2,780th2,342nd1,438th2,190th 2,762nd1,835th1,388th2,143rd 698th2,834th1,390th1,910th2,272nd2,261st
    Emirp Numbers (Long)
    804th 1,134th 457th
    Emojify
    921st805th 771st 962nd 1,302nd712th 854th
    Evil Numbers
    4,505th4,749th 4,779th3,966th2,783rd4,179th 4,938th4,287th3,336th4,129th 3,084th4,866th2,661st3,639th4,550th4,200th
    Evil Numbers (Long)
    2,841st2,858th 2,884th2,666th1,786th2,781st 2,867th2,698th2,031st2,754th 2,913th2,881st2,567th2,283rd2,760th2,722nd
    Farey Sequence
    888th
    Fibonacci
    8,011th8,990th 7,822nd7,584th1,022nd2,165th 9,756th7,112th3,616th7,707th 4,089th7,023rd4,720th9,194th1,795th8,653rd
    Fizz Buzz
    9,538th1,595th7,344th 8,715th6,839th5,573rd24th 5,019th2,114th4,566th503rd 1,680th3,369th8,712th4,167th7,564th2,152nd
    Foo Fizz Buzz Bar
    1,144th2,072nd 2,203rd3,492nd1,635th3,463rd 3,507th3,282nd2,259th158th 1,589th3,531st3,239th2,778th3,351st3,357th
    Forsyth–Edwards Notation
    530th
    Fractions
    1,111th 597th13th
    Game of Life
    777th 915th
    Gijswijt’s Sequence
    1,166th
    Gray Code Encoder
    683rd
    Happy Numbers
    2,143rd2,561st 2,729th2,161st1,512th2,121st 2,894th2,133rd2,547th2,348th 1,560th2,947th1,228th1,454th2,614th2,418th
    Happy Numbers (Long)
    1,962nd1,839th 1,969th1,868th1,225th1,909th 1,992nd1,793rd1,565th1,877th 1,397th2,001st1,712th1,726th1,805th1,603rd
    Hexdump
    342nd
    Hilbert Curve
    682nd
    Intersection
    577th 1,392nd 1,265th1,375th
    Inventory Sequence
    773rd
    ISBN
    726th 880th 1,519th 1,050th
    Jacobi Symbol
    18th 688th
    Kaprekar Numbers
    1,036th
    Kolakoski Constant
    1,525th 1,482nd
    Kolakoski Sequence
    1,918th 1,791st1,640th1,562nd1,791st 1,803rd1,705th1,066th1,832nd 1,211th1,822nd1,531st1,620th1,758th1,660th
    Leap Years
    4,840th4,828th 2,154th4,792nd2,286th4,774th 4,886th4,760th66th4,749th 3,609th3,698th4,654th3,821st4,801st4,756th
    Levenshtein Distance
    622nd 72nd1,182nd711th 896th270th 960th1,139th
    Leyland Numbers
    1,727th1,582nd 1,703rd1,737th1,433rd1,683rd 1,811th1,637th1,815th1,674th 701st1,799th1,546th1,620th1,559th1,610th
    ln 2
    59th
    Look and Say
    1,829th1,787th 2,031st1,913th990th1,957th 1,952nd1,736th628th1,896th 763rd403rd1,616th1,934th1,791st1,766th
    Lucky Numbers
    1,438th1,426th 1,474th1,413th867th920th 1,483rd1,337th1,009th1,434th 1,503rd1,503rd1,160th1,327th1,381st1,390th
    Lucky Tickets
    478th
    Mandelbrot
    915th
    Maze
    524th
    Medal Tally
    495th
    Morse Decoder
    720th
    Morse Encoder
    761st
    Multitap Input
    359th
    Musical Chords
    664th 628th
    Niven Numbers
    3,932nd3,881st 4,064th2,677th3,278th3,826th 4,072nd3,772nd2,290th3,849th 1,842nd4,112th3,322nd3,784th3,882nd3,795th
    Niven Numbers (Long)
    2,532nd2,511th 2,575th2,414th2,234th2,477th 2,544th2,414th1,300th2,464th 1,552nd2,527th2,291st2,401st2,414th2,432nd
    Number Spiral
    1,312th850th 1,395th1,420th366th1,358th1,404th1,645th1,057th450th1,281st 1,650th1,662nd735th921st1,248th1,217th
    Odious Numbers
    3,689th3,819th 3,900th3,391st2,355th3,541st 3,978th3,560th2,980th3,566th 2,774th3,951st2,505th3,371st3,706th3,463rd
    Odious Numbers (Long)
    2,477th2,515th 2,531st2,338th1,636th2,432nd 2,542nd2,366th1,887th2,448th 2,574th2,526th2,263rd2,074th2,418th2,387th
    Ordinal Numbers
    1,241st280th 737th 1,152nd1,414th6th 1,396th
    Pangram Grep
    1,750th 1,397th 524th 1,904th
    Pascal’s Triangle
    2,945th2,786th 2,885th2,827th2,289th2,874th 2,967th2,741st2,033rd2,893rd 1,795th2,951st2,606th2,838th2,799th2,760th
    Pernicious Numbers
    3,173rd3,065th 3,293rd2,784th2,386th3,121st 3,241st2,950th2,948th3,106th 2,419th3,255th2,460th3,089th3,009th3,032nd
    Pernicious Numbers (Long)
    1,351st 1,266th 1,075th
    Poker
    479th
    Prime Numbers
    4,238th4,174th 5,004th4,252nd2,551st4,518th 5,225th4,220th2,148th3,822nd 1,446th2,493rd1,898th4,162nd4,446th4,127th
    Prime Numbers (Long)
    2,976th3,005th 3,040th2,918th1,613th3,040th3,023rd3,080th2,872nd2,011th2,971st 1,252nd1,533rd2,804th2,682nd2,918th2,944th
    QR Decoder
    517th
    Quine
    287th 2,104th1,716th 1,604th1,282nd591st3,482nd 4,032nd1,823rd5,362nd
    Recamán
    1,927th1,907th 1,902nd1,798th1,522nd1,856th 1,871st1,775th1,351st1,884th 1,484th1,922nd1,626th1,743rd1,785th1,780th
    Repeating Decimals
    227th 546th 81st
    Reverse Polish Notation
    737th 358th
    Rijndael S-box
    862nd
    Rock-paper-scissors-Spock-lizard
    385th 750th 839th
    Roman to Arabic
    1,300th 1,322nd 876th 1,248th
    ROT13
    987th
    Rule 110
    1,436th1,328th 1,545th1,454th1,274th1,436th 1,513th1,379th939th1,431st 1,535th1,535th1,244th1,436th1,290th1,345th
    Scrambled Sort
    667th
    Seven Segment
    1,003rd809th 1,234th 1,223rd 1,164th 1,030th
    Sierpiński Triangle
    1,709th1,582nd 1,921st1,157th1,132nd1,872nd 1,939th1,601st1,083rd1,837th 1,135th1,901st1,353rd1,552nd1,699th1,792nd
    Smith Numbers
    1,366th1,382nd 1,398th746th698th1,413th 1,442nd1,228th1,453rd1,361st 896th841st1,086th1,313th1,272nd1,199th
    Spelling Numbers
    377th 748th 988th 1,114th
    Star Wars Opening Crawl
    522nd 575th 538th598th 558th 628th618th 566th 568th
    Sudoku
    292nd 594th
    Sudoku (Fill-in)
    327th 394th
    Ten-pin Bowling
    545th
    Tic-tac-toe
    642nd
    Time Distance
    361st 648th 675th
    Tongue-twisters
    1,033rd813th 1,214th2,036th935th1,810th 2,185th1,685th1,046th392nd 1,805th1,666th752nd2,305th 1,041st
    Tower of Hanoi
    1,092nd1,080th
    Transpose Sentence
    812th
    Trinomial Triangle
    1,002nd
    United States
    1,245th1,120th 978th 985th 1,165th683rd 1,087th
    Vampire Numbers
    1,169th996th 1,189th1,345th839th1,293rd 1,399th1,142nd518th1,155th 1,388th934th1,226th1,065th1,070th
    Van Eck Sequence
    1,707th1,629th 1,664th1,581st891st1,642nd 1,653rd1,581st898th1,697th 1,185th1,697th1,421st1,512th1,560th1,537th
    Zeckendorf Representation
    756th
    Zodiac Signs
    631st
    γ
    1,091st 2nd 1,564th
    λ
    1,548th1,253rd 2,127th2,192nd1,144th2,127th 2,381st1,381st2,089th1,282nd 2,119th2,415th1,040th2,000th1,492nd1,593rd
    π
    2,814th2,297th2,877th 3,208th3,708th2,041st1,144th 10th2,469th239th3,154th 2,645th3,945th 3,275th2,540th2,650th
    τ
    1,726th1,507th 1,870th2,063rd1,357th2,017th 20th1,614th190th1,895th 2,012th2,234th1,208th1,944th1,629th1,656th
    φ
    1,797th1,625th 2,103rd2,136th1,723rd2,227th 235th1,691st109th1,985th 2,333rd2,386th1,429th2,336th1,935th1,748th
    √2
    2,067th1,837th 2,402nd2,421st2,113th2,463rd 180th1,928th150th2,247th 2,631st2,722nd1,580th2,706th2,210th1,953rd
    𝑒
    2,523rd1,881st 2,711th2,975th1,717th2,844th 116th2,142nd282nd2,569th 3,026th3,047th1,601st2,626th2,181st2,288th