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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

    ISBN in all languages in chars.

    # Golfer Points Chars Time Submitted
    1,501st LostSyntax21 🇬🇧 449 178
    1,502nd KatieLG 🇬🇧 448 289
    1,503rd jmath3912 446 154
    1,504th KatieLG 🇬🇧 445 178
    1,505th LostSyntax21 🇬🇧 444 99
    1,506th Shanethegamer 🇺🇸 443 112
    1,507th Sascha37 🇩🇪 443 206
    1,508th tomh1012 442 153
    1,509th Shanethegamer 🇺🇸 441 93
    1,510th pdv 441 189
    1,511th CaedenHarper 🇨🇦 441 223
    1,512th msbranicky 440 115
    1,513th Lemonz-13223 440 156
    1,513th eddvrs 440 156
    1,513th ABC00012345 440 156
    1,516th KatieLG 🇬🇧 440 173
    1,517th roguh 🇬🇹 439 216
    1,518th JRaspass 🇬🇧 438 146
    1,519th lovernj 437 157
    1,519th ellygaytor 437 157
    1,519th amanda-j-brown 437 157
    1,522nd LostSyntax21 🇬🇧 437 181
    1,523rd tonsofpcs 437 227
    1,524th jhpaques 🇫🇷 435 114
    1,524th NameRandomString 435 114
    1,526th vhoulbreque 🇫🇷 435 184
    1,527th JOrE20 435 226
    1,528th Bananapants22 434 158
    1,528th alfonsoalves 434 158
    1,530th DialFrost 🇸🇬 431 119
    1,531st msbranicky 430 231
    1,532nd HumanoidCPU 430 301
    1,533rd bthalheim 429 160
    1,534th bidger 428 245
    1,535th dfrias100 427 257
    1,536th SheepIsGoat 426 161
    1,536th 123mjb 426 161
    1,538th MichalMarsalek 🇨🇿 426 212
    1,539th retrohun 426 549
    1,540th epic-programmer-guy 425 215
    1,541st zwxzwxzwx21 424 162
    1,541st mikehanus 424 162
    1,543rd janssenu-assurity 423 128
    1,544th alphafalfa 422 120
    1,545th misono-nobuhiro 420 167
    1,546th jessegyger 419 189
    1,547th msbranicky 418 175
    1,548th madex 🇩🇪 416 311
    1,549th evnu 415 156
    1,550th thekernal 414 98
    1,551st KasperKivimaeki 🇫🇮 414 218
    1,552nd SB-945 413 240
    1,552nd CaedenHarper 🇨🇦 413 240
    1,554th msbranicky 412 164
    1,555th MeWhenI 🇻🇦 411 93
    1,556th KatieLG 🇬🇧 409 293
    1,557th scpchicken 🇵🇼 409 316
    1,558th hymanimy 408 168
    1,559th snoozingnewt 🇨🇦 408 294
    1,560th madex 🇩🇪 407 401
    1,561st DrPrettyman 406 169
    1,562nd MateuszPietrzak 🇵🇱 406 225
    1,563rd arnimattr 401 171
    1,563rd jameswmccarty 401 171
    1,565th Florian-Mt 401 175
    1,566th gblikas 401 190
    1,567th MeWhenI 🇻🇦 400 246
    1,568th InigoK 🇺🇸 399 586
    1,569th msbranicky 398 247
    1,570th Andrey2001 397 230
    1,571st martinnorling 🇸🇪 395 79
    1,572nd martin-viggiano 394 335
    1,573rd cseiter 392 175
    1,574th CornerMercury 🇬🇧 391 173
    1,575th InigoK 🇺🇸 391 254
    1,576th 5cw 🇺🇸 389 253
    1,577th iczelia 🇩🇪 389 285
    1,578th 4ndyJ 🇬🇧 388 177
    1,579th kevinnaviapaiva 387 181
    1,580th Schmitt-Very-Cool 387 236
    1,581st IISResetMe 384 141
    1,582nd 5cw 🇺🇸 383 259
    1,583rd kevinnaviapaiva 381 180
    1,584th memmaptensor 🇹🇭 381 200
    1,585th vgamula 🇺🇦 379 181
    1,586th madex 🇩🇪 375 108
    1,587th atazzam 🇺🇸 373 184
    1,588th kmathis22 370 266
    1,589th WilleyOhana 369 190
    1,590th msbranicky 366 228
    1,591st Natanaelel 🇸🇪 365 176
    1,592nd kevinnaviapaiva 365 234
    1,593rd krcs 🇵🇱 365 245
    1,594th oaiqjuy 364 68
    1,595th madex 🇩🇪 361 122
    1,596th KatieLG 🇬🇧 361 158
    1,597th te-chnical 361 190
    1,598th msbranicky 361 647
    1,599th h3ra993huskp 🇯🇵 359 188
    1,600th snoozingnewt 🇨🇦 358 277