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Website
Development
Software Engineering
Chess
Tournament Pairings
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Summary of Rated Player Distributions
2006-07 Scholastic Events
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Notes:
- The individual ratings used in these calculations represent the players who participated in the tournaments which had pairings done by Jim Aman.
- The only tournaments not included in the database are the 2007 Ohio Middle School and High School Championships.
- Each player is represented in the database only once.
- The player's highest rating at one of the included tournaments was used when that person played in more than one event.
- For players who were unrated at the time of play, the rating as of 4/24/07 was used.
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By the Numbers!
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Grade
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N
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Mean
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Min
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Median
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Max
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K
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1 |
327 |
327 |
327 |
327 |
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1
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8 |
504 |
227 |
384 |
1097 |
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2
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8 |
465 |
100 |
528 |
667 |
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3
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24 |
599 |
100 |
594 |
1083 |
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4
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26 |
569 |
100 |
560 |
1250 |
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5
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50 |
850 |
100 |
856 |
1532 |
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6
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53 |
777 |
100 |
748 |
1782 |
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7
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62 |
827 |
100 |
808 |
2035 |
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8
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44 |
861 |
100 |
875 |
1775 |
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9
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19 |
890 |
385 |
866 |
1546 |
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10
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25 |
1065 |
100 |
1026 |
1886 |
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11
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14 |
1185 |
513 |
1201 |
1740 |
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12
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15 |
1001 |
217 |
1165 |
1556 |
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Distribution by Grade
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Rating Frequencies by Grade
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Distribution of Individual Ratings by Grade
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4/24/07
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