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Starting July 2009, this page features detailed '''tournament results''' | Starting July 2009, this page features detailed '''tournament results''' | ||
(also known as '''cross-tables''') for all sanctioned [[tournaments]]. | (also known as '''cross-tables''') for all sanctioned [[tournaments]]. | ||
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The results are also copied from this web site with a slight delay and made available on our partner | The results are also copied from this web site with a slight delay and made available on our partner | ||
| − | web site [ | + | web site [[cross-tables.com]] with more extensive statistics. |
== Recent results == | == Recent results == | ||
Results before July 2009 are available courtesy of the [[NSA]]. | Results before July 2009 are available courtesy of the [[NSA]]. | ||
| + | |||
| + | The results are filed according to the month in which they were entered into the [[rating]] system. | ||
| + | If a tournament is held late in a month, its results may be filed under the following month. | ||
| + | Historically, if a tournament was held early in a month, its results may have been filed under the preceding month. | ||
Each month’s results are available as text only for viewing on small screens or slow connections; or in a graphical format with player photos, for viewing on large screens or fast connections. | Each month’s results are available as text only for viewing on small screens or slow connections; or in a graphical format with player photos, for viewing on large screens or fast connections. | ||
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Events are rated separately, in the order in which they started. | Events are rated separately, in the order in which they started. | ||
| − | The | + | Each event has a number of players divided into one or more ''divisions.'' |
| − | + | The event consists of a number of ''rounds.'' In each round, all (or | |
| + | most) players play one game against another player (''opponent'') in the | ||
| + | same division. | ||
| + | |||
| + | A ''segment'' is a set of consecutive rounds processed together | ||
| + | when computing ratings for the players. The event consists of | ||
| + | one or more segments as follows: | ||
* Events of 16 or fewer rounds are rated as a single segment. | * Events of 16 or fewer rounds are rated as a single segment. | ||
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* Events of 36 or more rounds are rated in three approximately equal segments. | * Events of 36 or more rounds are rated in three approximately equal segments. | ||
| − | If the segments | + | If the rounds cannot be split equally into the segments, the first segment(s) will have one more round than the last segment(s). |
=== About ranks, wins and spread === | === About ranks, wins and spread === | ||
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Players with the same number of wins are assigned ranks based on their ''spreads.'' | Players with the same number of wins are assigned ranks based on their ''spreads.'' | ||
| − | + | A player’s spread is the difference of the total number of points scored by the player and the total number of points scored by opponents against the player. The spread may also be adjusted in certain situations, but these adjustments may not be included in the listing. The spread is not used when computing ratings. | |
| − | A player’ computed rank may not be identical to a his or her official placement in the event, because the rank may apply only to one | + | A player’s computed rank may not be identical to a his or her official placement in the event, because the rank may apply only to one segment, it may not include all data (as explained above), and some tournaments use a different method (for example, special finals) to determine the winners. |
=== Graphical cross-tables === | === Graphical cross-tables === | ||
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;Rating | ;Rating | ||
:A pair of columns with a player’s rating according to the rating system in effect for this event. If more than one pair of columns is given, this event was split-rated because of its length. | :A pair of columns with a player’s rating according to the rating system in effect for this event. If more than one pair of columns is given, this event was split-rated because of its length. | ||
| + | ;Perf | ||
| + | :A player’s performance rating during this segment. This is an estimate of the player’s strength in this segment only. It is based on game results and opponents’ pre-segment ratings only, ignoring the player’s own pre-segment rating. | ||
;Old | ;Old | ||
:A player’s rating before this event. | :A player’s rating before this event. | ||
| − | ; | + | ;Rd. N |
| − | :A player’s | + | :A player’s rating after the specified round (this information is repeated at the segement boundaries of split-rated events). |
;New | ;New | ||
:A player’s rating after this event. | :A player’s rating after this event. | ||
| − | |||
| − | |||
;+/− | ;+/− | ||
:The number of rating points the player gained (+) or lost (−) in this segment. | :The number of rating points the player gained (+) or lost (−) in this segment. | ||
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The text cross-tables have one listing per segment. | The text cross-tables have one listing per segment. | ||
| − | Split-rated events | + | Split-rated events have two or three segment listings, followed by separate listing of final ranks, total wins and spreads (the final listing does not include ratings, and the ranks are not the official placements). |
To find a player’s rating at the end of an event, look at the last segment of the event. | To find a player’s rating at the end of an event, look at the last segment of the event. | ||
Starting July 2009, this page features detailed tournament results (also known as cross-tables) for all sanctioned tournaments.
The results are also copied from this web site with a slight delay and made available on our partner web site cross-tables.com with more extensive statistics.
Results before July 2009 are available courtesy of the NSA.
The results are filed according to the month in which they were entered into the rating system. If a tournament is held late in a month, its results may be filed under the following month. Historically, if a tournament was held early in a month, its results may have been filed under the preceding month.
Each month’s results are available as text only for viewing on small screens or slow connections; or in a graphical format with player photos, for viewing on large screens or fast connections.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | text pic |
text pic |
text pic |
text pic |
text pic |
text pic |
text pic |
not yet available | ||||
You may also be interested in viewing the ratings computed as a result of these events.
Many tournaments feature multiple series of games called events (for example, early bird event, main event, night event). In some cases (often with night events), the events may be interleaved. Events are rated separately, in the order in which they started.
Each event has a number of players divided into one or more divisions. The event consists of a number of rounds. In each round, all (or most) players play one game against another player (opponent) in the same division.
A segment is a set of consecutive rounds processed together when computing ratings for the players. The event consists of one or more segments as follows:
If the rounds cannot be split equally into the segments, the first segment(s) will have one more round than the last segment(s).
Within these listings, a player is identified by a number called a rank. Ranks are computed separately for each division in each listing, and their purpose is to locate and identify the players and their opponents. Ranks are not the same as the player numbers used during the tournament.
The ranks are based on the number of wins (versus losses) included in the listing. A tie counts as half a win (and half a loss). Byes count as wins and forferits as losses, but these may not be included in the listing, depending on the input file format used. Byes and forfeits are not used when computing ratings.
Players with the same number of wins are assigned ranks based on their spreads. A player’s spread is the difference of the total number of points scored by the player and the total number of points scored by opponents against the player. The spread may also be adjusted in certain situations, but these adjustments may not be included in the listing. The spread is not used when computing ratings.
A player’s computed rank may not be identical to a his or her official placement in the event, because the rank may apply only to one segment, it may not include all data (as explained above), and some tournaments use a different method (for example, special finals) to determine the winners.
The graphical cross-tables have one listing per event, with a pair of rating columns for each segment. The listings feature the following information:
The text cross-tables have one listing per segment. Split-rated events have two or three segment listings, followed by separate listing of final ranks, total wins and spreads (the final listing does not include ratings, and the ranks are not the official placements). To find a player’s rating at the end of an event, look at the last segment of the event.
The listings feature the following information:
Cross-tables are large and usually print better in landscape orientation, reduced to less than 100% of nominal size.
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