Find player:

Players & Ratings
Premium Leagues



United States  backdoorman

Rapid Chess Player
Age:  71
Occupation:  Retired
Country:  United States
Region & Visiting
League
LI


Since
8.11.2002
90 %
Premium
Players

26.1.2019


2003

2005

2008

 
1803

Elo
31.5.2007
 
1820

Elo
1.6.2007
 
1876

Elo
1.11.2006
 
1851

Elo
4.6.2007


Ratings & Games
OverallClassicRapidBlitzLightning
Lightning Rating
1666  18
Class:  B
Position:  567 of 9478
TimelineCalculation
White Black
Netherlands God
1700
1



 = 0.575
1+10 Rw–Rb
400
If R < 2100 then K=32
0
NRw=Rw+K•(S-We)
1682  -18
0:1
R
Rating
on start
We
factor
K
factor
S
game score
NR
new rating
formula
Result
United States backdoorman
1648
1



 = 0.425
1+10 Rb–Rw
400
If R < 2100 then K=32
1
NRb=Rb+K•(S-We)
1666  +18
Highest:  1803
May 31, 2007  
Played games:  218
Won:  122
Lost:  95
Draw:  1
Adjourned:  0
Games Feed
Games Archive
Commentaries Feed
Openings
Last 90 daysLast 365 days
Known
30
Usage Ratio • Games • Efficiency
A20 English opening: 
20.7%  
B06 Robatsch (modern) defence: 
17.5%  
B06 Robatsch (modern) defence: 
12.4%  
A40 Modern defence: 
11.6%  
A10 English opening: 
8.9%  
A13 English opening: 
 5.9%
A30 English: symmetrical variation: 
 5.0%
Others
 18.0%
Never played:  C39 King's knight's gambit
Openings Report
Tournaments
Tournament Points
1
1st Place 2nd Place 3rd Place Group Tournaments Wins
x 0 x 0 x 0 x 1
TPs  = 3x0+2x0+1x0+1x1 = 1
Tournaments:  21
1st Place:  0
2nd Place:  0
3rd Place:  0
Group Tournaments Wins:  1
Other places:  20
Unknown:  0
Tournaments Archive
Premium Competition
Points
27580
League:  XXIX
Position:  #3
At 2:00 AM GMT Sunday April 21, 2019:
Leaderboard Position Points
All Lightning
Players & Ratings
1077 of 7636 7636-1077 = 6559
All Blitz
Players & Ratings
1189 of 10589 10589-1189 = 9400
All Rapid
Players & Ratings
1666 of 7530 7530-1666 = 5864
All Classic
Players & Ratings
201 of 5630 5630-201 = 5429
Known openings 30
10 x hours played
in the last 30 days
298
 pts = 6559+9400+5864+5429+30+298 = 27 580 
The next round starts at: 1:59 AM GMT Sunday April 28, 2019
Top League:  IX
2:00 AM GMT Sunday June 22, 2014
United States backdoorman
vs
AllTime
0
Classic
wins
0
1
Rapid
wins
1
0
Blitz
wins
0
0
Lightning
wins
0
1 : 1

a. Classic Rating

b. Rapid Rating

c. Blitz Rating

d. Lightning Rating

e. Medals

f. Tournaments

g. Games

h. Time


© InstantChess Limited 2000–2019. Play chess online • About • Mobile website
Registered in England No. 06966904 Registered office: 265 Cowley Road, Oxford, OX4 1XQ
By starting the game you agree to the terms of the User Agreement and Privacy & Cookies