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657 contest(s) 326,510 accounts(s)

Country distribution

N Country Participants
number
1
Bulgaria 		151

Most participated

N Handle Contests
number
1
atanasova 		61
2
stefanstefanov 		29
3
mirenaborisova 		25
4
zaczac 		22
5
vyordanov 		14
6
ivanyordanov 		13
7
tmishinev 		12
8
kirilspiridonov 		8
9
malinova 		8
10
bozhkov 		8
more

Last activity

N Handle Last
activity
1
mangiafuoco 		Nov. 18, 2024
2
malinova 		Oct. 17, 2024
3
odunolaakimu 		Sept. 30, 2024
4
josephhee 		June 27, 2024
5
zaczac 		June 11, 2024
6
mirenaborisova 		May 17, 2024
7
stefanstefanov 		April 4, 2024
8
vbelchev 		April 1, 2024
9
strifonov 		Feb. 27, 2024
10
skorpion21 		Feb. 5, 2024
more

Past contests

End
Time
 Contest
Nov. 10, 2024 ARC Prize 2024 [artificial intelligence, custom metric]
Oct. 31, 2024 Loan Approval Prediction [finance, beginner, tabular, roc auc score]
Oct. 31, 2024 NeurIPS - Ariel Data Challenge 2024 [astronomy, intermediate, regression, multimodal, custom metric]
Oct. 8, 2024 RSNA 2024 Lumbar Spine Degenerative Classification [computer vision, image, binary classification, custom metric]
Sept. 30, 2024 Regression of Used Car Prices [beginner, time series analysis, tabular, mean squared error]
Sept. 6, 2024 ISIC 2024 - Skin Cancer Detection with 3D-TBP [global, neural networks, image, binary classification, cancer, custom metric]
Aug. 31, 2024 Binary Prediction of Poisonous Mushrooms [beginner, time series analysis, tabular, matthews corrcoef]
Aug. 29, 2024 LLM 20 Questions [nlp, text, custom metric]
Aug. 12, 2024 LMSYS - Chatbot Arena Human Preference Predictions [languages, text conversation, log loss]
July 31, 2024 Binary Classification of Insurance Cross Selling [beginner, tabular, binary classification, roc auc score]
more

Running contests

Time
Left
 Contest
39:49:29 Exploring Mental Health Data [beginner, time series analysis, tabular, accuracy score]
3 days Google - Gemini Long Context [nlp, text generation, video generation, video text]
4 days UM - Game-Playing Strength of MCTS Variants [games, board games, artificial intelligence, regression, mean squared error]
14 days Eedi - Mining Misconceptions in Mathematics [education, nlp, primary and secondary schools, map@{k}]
21 days Child Mind Institute — Problematic Internet Use [health, time series analysis, multiclass classification, cohen kappa score]
41 days NFL Big Data Bowl 2025 [football, sports, exploratory data analysis]
46 days Jane Street Real-Time Market Data Forecasting [finance, tabular, regression, custom metric]
47 days Google - Unlock Global Communication with Gemma [languages, artificial intelligence, text generation]
64 days Santa 2024 - The Perplexity Permutation Puzzle [optimization, holidays and cultural events, custom metric]
67 days WSDM Cup - Multilingual Chatbot Arena [languages, text conversation, accuracy score]
more