Chess South Africa
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Chess South Africa
Koortzen, JG (Johannes Gerhardus)
Dob:
2002/08/06 (Adult)
Gender:
Male
Chess SA id:
1020116720
FIDE id:
Region:
Mangaung (FMB)
Citizen:
RSA
Title(s):
Last active:
2019/08/31 (1911 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1158.4
Current Weighted rating
1158.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1158.4
Current highest rating achieved
1165.7
Current floor (min rating allowed)
665.7
Current K-factor
40
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±175.9
Current Raw change used (final)
0.0
Projected new Raw rating
1158.4
Projected new Weighed rating
1065.7
Projected new Weighted performance
215.6
Projected new final Raw rating (if new WP > new Raw)
1158.4
Projected new highest rating
1165.7
Projected new floor
665.7
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1158.4
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1152.4
Current Weighted rating
1152.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1152.4
Current highest rating achieved
1159.2
Current floor (min rating allowed)
659.2
Current K-factor
40
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±177.5
Current Raw change used (final)
0.0
Projected new Raw rating
1152.4
Projected new Weighed rating
1060.2
Projected new Weighted performance
215.6
Projected new final Raw rating (if new WP > new Raw)
1152.4
Projected new highest rating
1159.2
Projected new floor
659.2
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1152.4
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
s
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Did not participate this month.
Did not participate this year.
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
Free State Open Tournament 2019 (C)
2019/08/30
2019/08/31
Mangaung (FMB)
Standard
60
0.83
5
5
2.0
1165.7
1159.2
Analysis
1
Piet van Zyl Chess Festival 2019 (C)
2019/07/13
2019/07/13
Mangaung (FMB)
Standard
62
0.84
5
4
1.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Standard
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
9
3
0
6
3.0
33.3
-141.7
1202.8
1061.2
White
4
2
0
2
2.0
50.0
0.0
1197.0
1197.0
Black
5
1
0
4
1.0
20.0
-255.0
1207.5
952.5
Standard
All
9
3
0
6
3.0
33.3
-141.7
1202.8
1061.2
White
4
2
0
2
2.0
50.0
0.0
1197.0
1197.0
Black
5
1
0
4
1.0
20.0
-255.0
1207.5
952.5
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1080116717
Ramatapa, R (Reerabiloe)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1050118521
Manase, J (Jason)
1
1.0
1
0
0
100.0
1165.7
425.0
1590.7
View list
3
1080118518
Kolomba, M (Monde)
1
1.0
1
0
0
100.0
1165.7
425.0
1590.7
View list
4
1090100856
Sehemo, E (Elroy)
1
0.0
0
0
1
0.0
1165.7
-425.0
740.7
View list
5
1060114120
Mabija, O (Onele)
1
0.0
0
0
1
0.0
1165.7
-425.0
740.7
View list
6
103094310
Ramaphakatsane, T (Thapelo)
1
0.0
0
0
1
0.0
1165.7
-425.0
740.7
View list
7
1030116722
Radebe, T (Thabang)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
8
1040116711
Mphuthi, P (Puseletso)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
9
2020114375
Mohomane, R (Refiloe)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
