Chess South Africa
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Chess South Africa
Zuidersma, MJ (Marthinus)
Dob:
2000/06/28 (Adult)
Gender:
Male
Chess SA id:
100043580
FIDE id:
Region:
Sedibeng (GSV)
Citizen:
RSA
Title(s):
Last active:
2024/02/10 (98 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
Curent Raw rating
1356.5
Curent Weighted rating
1324.9
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1356.5
Current floor (min rating allowed)
856.5
Current highest rating achieved
1356.5
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)
±132.7
Current Raw change used (final)
0.0
Projected new Raw rating
1356.5
Projected new Weighed rating
1328.5
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1356.5
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1356.5
Projected new floor
856.5
Projected new K-facor
36
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
Curent Raw rating
1400.1
Curent Weighted rating
1345.8
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1400.1
Current floor (min rating allowed)
900.1
Current highest rating achieved
1400.1
Current K-factor
32
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)
±124.7
Current Raw change used (final)
0.0
Projected new Raw rating
1400.1
Projected new Weighed rating
1351.9
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1400.1
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1400.1
Projected new floor
900.1
Projected new K-facor
32
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
Curent Raw rating
1288.2
Curent Weighted rating
1288.2
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1288.2
Current floor (min rating allowed)
833.0
Current highest rating achieved
1333.0
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)
±146.2
Current Raw change used (final)
0.0
Projected new Raw rating
1288.2
Projected new Weighed rating
1288.2
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1288.2
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1333.0
Projected new floor
833.0
Projected new K-facor
36
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
Curent Raw rating
1333.0
Curent Weighted rating
1304.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1333.0
Current floor (min rating allowed)
833.0
Current highest rating achieved
1333.0
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)
±137.2
Current Raw change used (final)
0.0
Projected new Raw rating
1333.0
Projected new Weighed rating
1307.5
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1333.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1333.0
Projected new floor
833.0
Projected new K-facor
36
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
Laerskool Midvaal Chess Open Section 2024 (A)
2024/02/10
2024/02/10
Sedibeng (GSV)
Standard
61
0.84
5
5
3.0
1337.1
1388.6
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
Laerskool Midvaal Chess Open Section 2024 (A)
2024/02/10
2024/02/10
Sedibeng (GSV)
Standard
61
0.84
5
5
3.0
1337.1
1388.6
Analysis
1
Eureka Open 2023 (B)
2023/07/29
2023/07/29
Sedibeng (GSV)
Standard
60
0.83
5
5
3.0
1288.2
1288.2
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
3
0
2
3.0
60.0
85.0
1369.5
1454.5
White
3
2
0
1
2.0
66.7
141.7
1358.9
1500.6
Black
2
1
0
1
1.0
50.0
0.0
1385.4
1385.4
Standard
All
5
3
0
2
3.0
60.0
85.0
1369.5
1454.5
White
3
2
0
1
2.0
66.7
141.7
1358.9
1500.6
Black
2
1
0
1
1.0
50.0
0.0
1385.4
1385.4
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
10
6
0
4
6.0
60.0
85.0
1419.8
1504.8
White
5
3
0
2
3.0
60.0
85.0
1412.2
1497.2
Black
5
3
0
2
3.0
60.0
85.0
1427.3
1512.3
Standard
All
10
6
0
4
6.0
60.0
85.0
1419.8
1504.8
White
5
3
0
2
3.0
60.0
85.0
1412.2
1497.2
Black
5
3
0
2
3.0
60.0
85.0
1427.3
1512.3
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
196087700
Mamburu, M (Mutshidzi)
1
1.0
1
0
0
100.0
1288.2
425.0
1713.2
View list
2
164043578
Zuidersma, JM (Jean)
1
1.0
1
0
0
100.0
1337.1
425.0
1762.1
View list
3
101071648
Tlamama, T (Tshepang)
1
1.0
1
0
0
100.0
1288.2
425.0
1713.2
View list
4
1790148618
Swan, E (Ettienne)
1
1.0
1
0
0
100.0
1337.1
425.0
1762.1
View list
5
102024957
Morema, KA (Kgabo)
1
1.0
1
0
0
100.0
1288.2
425.0
1713.2
View list
6
188024832
Moolman, T (Tertius)
1
1.0
1
0
0
100.0
1337.1
425.0
1762.1
View list
7
1060112904
Mini, S (Siboniso)
1
0.0
0
0
1
0.0
1337.1
-425.0
912.1
View list
8
198015251
Kgaphola, M (Moloko)
1
0.0
0
0
1
0.0
1337.1
-425.0
912.1
View list
9
1060107794
Jaitas, W (Worapat)
1
0.0
0
0
1
0.0
1288.2
-425.0
863.2
View list
10
182004383
Chakandidano, N (Nhamo)
1
0.0
0
0
1
0.0
1288.2
-425.0
863.2
View list