The N Queens hole will go live in . Why not try and solve it ahead of time?

Recent Solutions

Hole Golfer Chars Submitted
Factorial Factorisation sean-niemann 🥈 102
Reverse Polish Notation xsot 🥉 112
Factorial Factorisation xsot 105
Abundant Numbers sean-niemann 61
Factorial Factorisation GrayJoKing 💎 99
Reverse Polish Notation emplv 170
Spelling Numbers emplv 🥉 326
Lucky Tickets emplv 🥈 164
Factorial Factorisation stefangimmillaro 🥉 103
γ sciencejiho 1,009
π sciencejiho 1,010
Fibonacci xsot 35
Pernicious Numbers (Long) xsot 🥉 52
Number Spiral HumanoidCPU 305
Van Eck Sequence xsot 🥇 39
Leyland Numbers xsot 💎 79
Quine sciencejiho 168
Leyland Numbers HumanoidCPU 891
π aalec 1,009
Prime Numbers (Long) xsot 50
Happy Numbers (Long) KrausRaus 122
Diamonds HumanoidCPU 1,108
Tongue-twisters HumanoidCPU 528
Happy Numbers (Long) emplv 78
Ordinal Numbers sisyphus-ppcg 💎 68
Recamán HumanoidCPU 902
Cubes HumanoidCPU 2,832
Catalan Numbers HumanoidCPU 2,877
Rule 110 Pimentero 186
Number Spiral Pimentero 305
Inventory Sequence HumanoidCPU 2,628
Rule 110 HumanoidCPU 10,105
√2 HumanoidCPU 1,008
φ HumanoidCPU 1,008
Factorial Factorisation msbranicky 176
Kolakoski Constant HumanoidCPU 1,008
Hexdump Pimentero 🥉 149
Rijndael S-box HumanoidCPU 773
Roman to Arabic Lydxn 💎 86
Happy Numbers (Long) Lydxn 🥇 71
Roman to Arabic sisyphus-ppcg 🥈 87
φ sisyphus-ppcg 🥈 80
Happy Numbers (Long) sisyphus-ppcg 🥇 71
τ sean-niemann 💎 110
Ascending Primes sean-niemann 🥈 93
Happy Numbers (Long) sean-niemann 75
√2 sean-niemann 💎 110
Sudoku MeWhenI 🥈 561
τ MeWhenI 🥉 169
π MeWhenI 169
Happy Numbers (Long) Shanethegamer 89
Divisors HumanoidCPU 80
Diamonds xsot 🥈 71
Factorial Factorisation mrmena 848
Day of Week Pimentero 50
Abundant Numbers (Long) Pimentero 72
Evil Numbers (Long) sean-niemann 🥉 43
Evil Numbers sean-niemann 41
Arabic to Roman Pimentero 190
12 Days of Christmas Pimentero 485