Krzysztof has won Who's the Expert games in the following categories:

20th & 21st Centuries (as level 91, beat 64 players)    May 13 11 - 10:45 AM
Africa (Champion Division, beat 9 players)    Jun 28 10 - 7:45 PM
African (as level 92, beat 76 players)    Oct 16 11 - 1:45 PM
African Countries A - Z (Champion Division, beat 10 players)    Dec 29 10 - 3:45 AM
Alphabetics (as level 88, beat 106 players)    Oct 14 10 - 6:45 AM
Alternative Rock (Champion Division, beat 9 players)    Sep 17 11 - 3:45 PM
American Revolution (Champion Division, beat 12 players)    Nov 19 10 - 8:45 AM
Ancient Greece (Champion Division, beat 12 players)    Sep 15 10 - 11:45 AM
Ancient History (as level 91, beat 85 players)    Apr 21 11 - 4:45 AM
Art World Figures (as level 89, beat 52 players)    Nov 07 10 - 7:45 AM
Asia (Champion Division, beat 16 players)    May 21 11 - 2:45 AM
Asian (Champion Division, beat 12 players)    Aug 02 11 - 1:45 PM
Astrology (Champion Division, beat 11 players)    May 16 10 - 9:45 AM
Astronomy (as level 85, beat 49 players)    Jul 06 10 - 4:45 PM
Australian History (Champion Division, beat 10 players)    Dec 05 10 - 1:45 PM
Authors D-G (as level 70, beat 41 players)    Jan 06 10 - 2:45 PM
Authors H-K (as level 88, beat 37 players)    Oct 09 10 - 3:45 AM
Authors Q-S (as level 88, beat 61 players)    Oct 21 10 - 1:45 PM
Authors T-Z (as level 67, beat 29 players)    Dec 15 09 - 9:45 AM
Back To The Future (as level 68, beat 18 players)    Dec 20 09 - 6:45 PM
Beasts of Myth (Champion Division, beat 21 players)    Mar 19 12 - 3:45 PM
Beverages (Non-Alcoholic) (as level 92, beat 138 players)    Aug 13 11 - 6:45 AM
Bible People (as level 91, beat 85 players)    Mar 14 11 - 5:45 AM
Biblical Quotes (as level 91, beat 41 players)    Apr 23 11 - 6:45 PM
Biology (as level 79, beat 65 players)    Apr 13 10 - 10:45 AM
Board Games (Champion Division, beat 10 players)    Jul 13 11 - 4:45 AM
Botany (as level 86, beat 71 players)    Aug 10 10 - 2:45 AM
By The Numbers (as level 70, beat 42 players)    Dec 31 09 - 11:45 AM
California (as level 88, beat 52 players)    Oct 01 10 - 9:45 AM
Canada (as level 91, beat 55 players)    Jun 08 11 - 4:45 AM
Canadian (Champion Division, beat 13 players)    Jul 13 10 - 5:45 AM
Card Games (Champion Division, beat 7 players)    Dec 23 10 - 4:45 AM
Caribbean (as level 130, beat 37 players)    Aug 10 12 - 7:45 AM
Central America & Caribbean (Champion Division, beat 8 players)    Dec 14 10 - 9:45 AM
Chemistry (as level 85, beat 76 players)    Jun 16 10 - 6:45 AM
Children's Literature (as level 91, beat 73 players)    Jul 09 11 - 8:45 AM
China (as level 91, beat 67 players)    Mar 29 11 - 12:45 PM
Christian People / Saints (Champion Division, beat 5 players)    Nov 13 10 - 7:45 AM
Christmas (Champion Division, beat 15 players)    Mar 05 12 - 2:45 PM
Cities of the World (Champion Division, beat 50 players)    Feb 28 11 - 9:45 AM
Classic Rock Lyrics (as level 72, beat 53 players)    Jan 11 10 - 4:45 AM
Collectible & Trading Card Games (as level 85, beat 52 players)    Jul 01 10 - 12:45 PM
Computers (Champion Division, beat 15 players)    Oct 22 10 - 11:45 AM
Environment (Champion Division, beat 10 players)    Sep 09 10 - 6:45 PM
Europe (as level 92, beat 61 players)    Jul 30 11 - 9:45 AM
Explorers (as level 92, beat 43 players)    Sep 12 11 - 3:45 AM
Famous Animals (as level 70, beat 55 players)    Jan 03 10 - 8:45 PM
Famous Dates (as level 90, beat 75 players)    Jan 30 11 - 11:45 AM
Famous Women (as level 130, beat 59 players)    Aug 01 12 - 2:45 PM
Fast Food (Champion Division, beat 5 players)    Nov 23 10 - 4:45 AM
Flags and Symbols (as level 79, beat 54 players)    Mar 20 10 - 11:45 AM
Fractured Entertainment (as level 80, beat 126 players)    Apr 26 10 - 5:45 AM
Global Trivia (as level 85, beat 125 players)    Jun 15 10 - 5:45 AM
Greek Myth (as level 91, beat 55 players)    Jun 10 11 - 4:45 PM
Health and Human Biology (as level 87, beat 121 players)    Sep 21 10 - 6:45 AM
Health Issues (as level 90, beat 64 players)    Jan 17 11 - 7:45 AM
History of Music (as level 60, beat 37 players)    Nov 11 09 - 10:45 AM
Individual Artists (Champion Division, beat 7 players)    Aug 06 11 - 4:45 AM
Individual Authors (as level 90, beat 82 players)    Nov 27 10 - 12:45 PM
Ireland (as level 92, beat 50 players)    Aug 16 11 - 4:45 PM
Islam (Champion Division, beat 10 players)    Sep 30 10 - 5:45 PM
Italy & Vatican City (Champion Division, beat 10 players)    Sep 20 11 - 7:45 PM
Japan (as level 83, beat 65 players)    May 14 10 - 4:45 AM
Judaism (Champion Division, beat 8 players)    Nov 24 10 - 5:45 AM
Languages (as level 62, beat 35 players)    Nov 25 09 - 8:45 PM
Latin America (Champion Division, beat 9 players)    Oct 01 10 - 1:45 PM
Latter Day Saints (as level 77, beat 40 players)    Feb 20 10 - 9:45 AM
Linguistics (Champion Division, beat 10 players)    Jan 29 12 - 9:45 AM
Literary Terms & Quotes (as level 90, beat 82 players)    Jan 24 11 - 7:45 PM
Literature Before 1900 (Champion Division, beat 12 players)    Jul 17 10 - 9:45 AM
Literature by Region (Champion Division, beat 14 players)    Sep 14 10 - 6:45 AM
Man in Space (as level 90, beat 56 players)    Dec 16 10 - 7:45 PM
Math (as level 87, beat 91 players)    Sep 28 10 - 6:45 AM
Miscellaneous Science (as level 92, beat 68 players)    Jul 29 11 - 8:45 AM
Mixed Literature (as level 91, beat 64 players)    Mar 17 11 - 7:45 PM
Mixed Warriors Quizzes (as level 60, beat 22 players)    Nov 13 09 - 8:45 AM
Monopoly (Champion Division, beat 7 players)    Sep 09 10 - 1:45 PM
Monty Python (Champion Division, beat 10 players)    Nov 30 10 - 8:45 AM
Music Industry Awards (as level 60, beat 23 players)    Nov 13 09 - 1:45 PM
Mystery & Detective Fiction (Champion Division, beat 9 players)    Oct 31 10 - 3:45 AM
Mythology & Legends (as level 126, beat 64 players)    Jun 02 12 - 3:45 PM
Mythology Mixture (as level 92, beat 64 players)    Sep 15 11 - 9:45 AM
Name the People (as level 92, beat 87 players)    Aug 01 11 - 12:45 PM
Names (as level 72, beat 50 players)    Jan 13 10 - 10:45 AM
Needlework (Champion Division, beat 8 players)    Apr 09 10 - 9:45 AM
New York (Champion Division, beat 16 players)    Jul 24 10 - 8:45 AM
New Zealand (as level 90, beat 44 players)    Nov 24 10 - 9:45 AM
New Zealand and Pacific Islands (Champion Division, beat 11 players)    Nov 19 10 - 1:45 PM
Norse Myth (Champion Division, beat 18 players)    Aug 23 11 - 4:45 PM
Nostalgia (as level 86, beat 57 players)    Aug 26 10 - 2:45 PM
Oceania (as level 76, beat 36 players)    Feb 05 10 - 8:45 AM
Our Solar System (as level 130, beat 62 players)    Sep 05 12 - 9:45 AM
Paleontology (as level 87, beat 58 players)    Sep 21 10 - 5:45 PM
Philosophers & Psychologists (Champion Division, beat 9 players)    Jul 11 10 - 10:45 AM
Philosophy (Champion Division, beat 8 players)    Nov 01 10 - 4:45 PM
Physical Geography (as level 60, beat 31 players)    Nov 12 09 - 9:45 PM
Physics (as level 86, beat 57 players)    Sep 09 10 - 4:45 AM
Plays (as level 88, beat 55 players)    Oct 28 10 - 5:45 PM
Poetry (as level 86, beat 53 players)    Jul 23 10 - 3:45 PM
Pokemon (as level 61, beat 16 players)    Nov 17 09 - 7:45 AM
Psychology (Champion Division, beat 8 players)    Aug 19 10 - 6:45 AM
Punk Rock (Champion Division, beat 6 players)    May 03 10 - 10:45 AM
Quotes from Movies (as level 90, beat 99 players)    Dec 21 10 - 6:45 AM
Religion Mixture (as level 70, beat 45 players)    Dec 28 09 - 4:45 AM
Roman History (as level 87, beat 48 players)    Sep 15 10 - 6:45 PM
Science Fiction (as level 88, beat 51 players)    Oct 23 10 - 11:45 AM
Social Sciences (Champion Division, beat 14 players)    Dec 12 10 - 9:45 AM
South America (as level 61, beat 34 players)    Nov 18 09 - 8:45 AM
Technology and Computers (Champion Division, beat 10 players)    May 31 10 - 11:45 AM
TV for Kids I-R (as level 59, beat 27 players)    Oct 30 09 - 6:45 PM
UK Music (as level 60, beat 25 players)    Nov 15 09 - 7:45 PM
Unusual and Obscure Words (as level 14, beat 18 players)    Aug 30 09 - 7:45 AM
War History (as level 89, beat 77 players)    Nov 03 10 - 5:45 AM
World Myth (as level 117, beat 87 players)    May 10 12 - 4:45 PM
World War I (as level 92, beat 64 players)    Oct 09 11 - 4:45 AM
World War II (as level 96, beat 59 players)    Feb 22 12 - 11:45 AM
Writers & Authors (as level 90, beat 82 players)    Dec 09 10 - 11:45 AM