Tournament results

From NASPAWiki

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.

Recent results

Results before July 2009 are available courtesy of the NSA.

In keeping with historical tradition, results are grouped into rating months marked by the publication of the monthly rating list, not necessarily by calendar month. The monthly rating list is a relic of the pre-Web era, where it was difficult to publish and distribute rating information to directors. Although current ratings are always available on our website, it is convenient to have monthly snapshots of the system. Each monthly list consists of the previous list’s ratings, updated by the tournaments that have been posted in the past rating month.

Where possible, the rating month will begin with the first tournament that begins in the calendar month. If there is a substantial delay to our receipt of the data for a tournament that is held late in a month, we may postpone its posting to the following month. Under the NSA regime, the opposite was possible: tournaments held early in a month might occasionally get posted in the preceding month; this will not happen here.

Each month’s results are available as text only for viewing on small screens or over slow connections; or in a graphical format (“pic” links) with player photos and more detail, for viewing on large screens over fast connections.

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2010 text
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2011 text
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2012 text
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2013 text
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2014 text
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NASPA instituted its SOWPODS rating system in January 2010, grandfathering in two events from September 2009.

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2011 text
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2012 text
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2013 text
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You may also be interested in viewing the ratings computed as a result of all of these events.

How to read the results

Tournaments, events and segments

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:

  • Events of 16 or fewer rounds are rated as a single segment.
  • Events of 17 through 35 rounds are rated in two approximately equal segments.
  • Events of 36 or more rounds are rated in three approximately equal 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

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 forfeits 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 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

The graphical cross-tables have one listing per event, with a pair of rating columns for each segment. The listings feature the following information:

Rank
A player’s computed rank within the division at this event.
Name
A player’s name, starting with the first name.
W-L
A player’s record of wins and losses. A tie is counted as ½ a win and ½ a loss.
Spread
A player’s spread for this event.
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.
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
A player’s rating before this event.
Rd. N
A player’s rating after the specified round (this information is repeated at the segment boundaries of split-rated events).
New
A player’s rating after this event.
+/−
The number of rating points the player gained (+) or lost (−) in this segment.
Round-by-Round Results
A player’s list of opponents, with photos where available (hover mouse over photo for name), result (W=win, L=loss, T=tie or B=bye), opponent’s rank, player score and opponent score. The result is also indicated by the background color of the cell.

Text cross-tables

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:

Rank (a number at the beginning of a row, no column header)
A player’s computed rank within the division at this segment.
NAME
A player’s name, starting with the last name (as listed in the rating list)
OLD RATING
A player’s rating before this segment
NEW RATING
A player’s rating after this segment
PERF RATING
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.
RESULTS
A player’s win-loss record, showing whether they had a win (W), tie (T), loss (L) or forfeit/bye (B), and the rank of their opponent that round.
WINS
A player’s number of wins. Half wins are displayed using a “+” sign.
SPR
A player’s spread for this segment.

Printing

Cross-tables are large and usually print better in landscape orientation, reduced to less than 100% of nominal size.