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E =
Elo Value

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undefined H
  
Elo: 5542

undefined B
  
Elo: 5566

undefined J
  
Elo: 5333

undefined R
  
Elo: 5347

undefined B
  
Elo: 5449

undefined C
  
Elo: 5332

undefined M
  
Elo: 5478

undefined C
  
Elo: 5526

undefined S
  
Elo: 5336

undefined K
  
Elo: 5472

undefined T
  
Elo: 5214

undefined K
  
Elo: 5297

undefined L
Elo: 5539
undefined L
420
undefined H
329
Elo:
+12.1
undefined L
402
undefined B
324
Elo:
+12.9
undefined J
454
undefined L
446
Elo:
-18.4
undefined L
422
undefined R
382
Elo:
+6
undefined B
412
undefined L
337
Elo:
-15
undefined L
449
undefined C
351
Elo:
+5.6
undefined L
484
undefined M
372
Elo:
+9.9
undefined C
512
undefined L
391
Elo:
-12.4
undefined L
441
undefined S
399
Elo:
+5.7
undefined L
473
undefined K
387
Elo:
+9.7
undefined L
412
undefined T
383
Elo:
+3.2
undefined L
456
undefined K
368
Elo:
+4.8
Progress this roundChange in Elo rating+24.1
for Maureen LilygreenBest score484 vs Debbie Mielke
Total points scored5133 in 12 games
Average points per game427.7
Total margin460
Best margin112 vs Debbie Mielke
Average margin38.3
 
Personal Bests for Maureen Lilygreen

Top Score: 598
vs Jane Taylor who scored 366 in round 99
 
Best Margin: 314
563 - 249 vs Gwen Clement in round 132
 
Best Joint Score: 1020
416 - 604 with Susan Edge in round 150
 
Maureen Lilygreen had a clean sweep
in round 118


Notes on Ratings
Under the Elo ratings system, the winner of a game gains a number of ratings points and the losing player loses the same number. The number of points won or lost depends on the difference between the ratings of the two players; a player will gain more points by beating a higher-rated player than by beating a lower-rated player.

Where games have been completed, the chart above shows the actual number of ratings points passed from the loser to the winner. Where games are unfinished, two numbers are shown in the form A/B. A is the number of points to be transferred if the player in the row wins and B is the number of points if the player in the column wins.

For example
Mildred
Elo 5051
If Joe wins he will gain 9.5 rating points from Mildred but if Mildred wins she will gain 14.5 rating points from Joe. Mildred stands to earn more than Joe from winning the game because Joe is the higher rated player and is expected to win more often.
Joe
Elo 5123
E: 9.5 / 14.5

In the case of a draw, the lower rated player wins points from the higher rated player, but fewer points than if he or she had won the game.

The value of each game is based on the players' rating at the start of each round. At the end of the round, the points won and lost on each game are added up and the players' rating are adjusted and rounded to the nearest whole number for the next round.

The difference in two players' Elo ratings implies an expectation of how often each of them will win when playing each other. Under the system we use:

Notes on Statistics
μ (mu) is the mean score, ν (nu) is the median score and Mo is the mode. Mean, median and mode are three different kinds of averages. The mean score is the total number of points divided by the number of games played. The median score is the middlemost score (or the mean of the two middlemost scores) when they are sorted from high to low. The mode is the most frequent score and is only helpful after a large number of games.

σ (sigma) is the standard deviation. This is a measure of how consistent the player is. The smaller the value of σ, the more consistent. 68% of the player's scores are within one standard deviation above or below the mean and 95% are within two standard deviations.

Sk is median skewness. Skewness is a measure of how asymmetrical the graph is. There are many measures of skewness; we've chosen median skewness because it's the easiest to calculate! A positive value means there are more scores above the middle of the graph than below, a negative value vice versa.