Chess South Africa
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Chess South Africa
Petersen, MG (Marc)
Dob:
1985/02/27 (Adult)
Gender:
Male
Chess SA id:
185029784
FIDE id:
Region:
Cape Town (WCT)
Citizen:
RSA
Title(s):
FA
Last active:
2022/07/17 (642 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
1466.8
Curent Weighted rating
1466.5
Curent Weighted performance
957.1
Current official/published rating (highest between Raw, WR and WP)
1466.8
Current floor (min rating allowed)
1031.0
Current highest rating achieved
1531.0
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)
±113.4
Current Raw change used (final)
0.0
Projected new Raw rating
1466.8
Projected new Weighed rating
1466.7
Projected new Weighted performance
957.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1466.8
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1531.0
Projected new floor
1031.0
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
1461.6
Curent Weighted rating
1461.3
Curent Weighted performance
939.1
Current official/published rating (highest between Raw, WR and WP)
1461.6
Current floor (min rating allowed)
1031.0
Current highest rating achieved
1531.0
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)
±114.2
Current Raw change used (final)
0.0
Projected new Raw rating
1461.6
Projected new Weighed rating
1461.5
Projected new Weighted performance
939.1
Projected new official/published rating (highest between new Raw, new WR and new WP)
1461.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1531.0
Projected new floor
1031.0
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
1515.6
Curent Weighted rating
1482.1
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1515.6
Current floor (min rating allowed)
1031.0
Current highest rating achieved
1531.0
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)
±105.8
Current Raw change used (final)
0.0
Projected new Raw rating
1515.6
Projected new Weighed rating
1485.3
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1515.6
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1531.0
Projected new floor
1031.0
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
1516.0
Curent Weighted rating
1516.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1516.0
Current floor (min rating allowed)
1031.0
Current highest rating achieved
1531.0
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)
±105.7
Current Raw change used (final)
0.0
Projected new Raw rating
1516.0
Projected new Weighed rating
1516.0
Projected new Weighted performance
Projected new official/published rating (highest between new Raw, new WR and new WP)
1516.0
Projected effective change (new Official - current Official)
=0.0
Projected new highest rating
1531.0
Projected new floor
1031.0
Projected new K-facor
32
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
9
South African Open 2022 (B)
2022/07/09
2022/07/17
Cape Town (WCT)
Standard
120
1.00
11
11
6.5
1446.3
1441.8
Analysis
8
WP Closed 2022 (D)
2022/06/17
2022/06/17
Cape Town (WCT)
Standard
90
0.94
6
6
4.5
1403.6
1401.5
Analysis
7
SAPS National Team Chess Championship 2019
2019/10/26
2019/10/30
Frances Baard (NCF)
Standard
62
0.84
9
9
6.0
1459.2
1452.7
Analysis
6
SAPS National Individual Chess Championship 2019 (Men)
2019/10/23
2019/10/25
Frances Baard (NCF)
Standard
60
0.83
9
9
5.5
1459.2
1452.7
Analysis
5
SAPS WC Chess Club Rapid 2019 (Men)
2019/10/21
2019/10/21
Frances Baard (NCF)
Rapid
30
0.60
7
7
4.0
1459.2
1516.0
Analysis
4
SAPS National Individual Championship 2018 (Men)
2018/09/12
2018/09/15
Xhariep (FXT)
Standard
60
0.83
9
9
5.5
1493.6
1494.9
Analysis
3
SAPS National Team Championship 2018
2018/09/11
2018/09/11
Xhariep (FXT)
Standard
60
0.83
9
9
7.5
1493.6
1494.9
Analysis
2
2018 Western Province League (B)
2018/08/04
2018/09/15
Cape Town (WCT)
Standard
90
0.94
11
4
2.0
1493.6
1494.9
Analysis
1
South African Open 2018 (B)
2018/07/07
2018/07/14
Mangaung (FMB)
Standard
150
1.00
11
11
7.0
1516.0
1516.0
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
75
32
33
10
48.5
64.7
124.7
1316.0
1440.7
White
39
17
17
5
25.5
65.4
130.8
1322.9
1453.7
Black
36
15
16
5
23.0
63.9
118.1
1308.5
1426.6
Standard
All
68
29
31
8
44.5
65.4
131.3
1315.9
1447.1
White
36
16
17
3
24.5
68.1
153.5
1327.7
1481.2
Black
32
13
14
5
20.0
62.5
106.3
1302.6
1408.8
Rapid
All
7
3
2
2
4.0
57.1
60.7
1316.8
1377.5
White
3
1
0
2
1.0
33.3
-141.7
1264.7
1123.0
Black
4
2
2
0
3.0
75.0
212.5
1355.9
1568.4
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
188090572
Jacobs, J (Jacques Peter)
3
1.5
1
1
1
50.0
1470.7
0.0
1470.7
View list
2
169010128
Gabriels, Z (Zaid)
2
1.5
1
1
0
75.0
1487.6
212.5
1700.1
View list
3
186017677
Lekone, RP (Rantsasa)
2
1.5
1
1
0
75.0
1493.6
212.5
1706.1
View list
4
175023718
Moepeng, JS (Joseph)
2
1.5
1
1
0
75.0
1459.2
212.5
1671.7
View list
5
197083576
Mohapi, K (Kamohelo)
2
1.5
1
1
0
75.0
1459.2
212.5
1671.7
View list
6
181021769
Matloa, OJ (Oupa)
2
0.5
0
1
1
25.0
1476.4
-212.5
1263.9
View list
7
170014986
Kaunda, J (John)
1
1.0
1
0
0
100.0
1493.6
425.0
1918.6
View list
8
186017463
Lebitsa, MJ (Mohampi)
1
1.0
1
0
0
100.0
1493.6
425.0
1918.6
View list
9
171017443
Lebenya, MJ (Masilo)
1
1.0
1
0
0
100.0
1516.0
425.0
1941.0
View list
10
172017078
Landman, J (Johan)
1
1.0
1
0
0
100.0
1516.0
425.0
1941.0
View list
11
184006583
De Kock, LH (Lambert)
1
1.0
1
0
0
100.0
1516.0
425.0
1941.0
View list
12
1120130970
Bell, L (Luke)
1
1.0
1
0
0
100.0
1403.6
425.0
1828.6
View list
13
176000817
Arries, HJ (Henry Jacobus)
1
1.0
1
0
0
100.0
1459.2
425.0
1884.2
View list
14
2930100456
Chiriya, T (Takudzwa)
1
1.0
1
0
0
100.0
1403.6
425.0
1828.6
View list
15
1830133640
Abrahams, R (Randall David)
1
1.0
1
0
0
100.0
1446.3
425.0
1871.3
View list
16
1050106566
Makaula, V (Vumankosi)
1
1.0
1
0
0
100.0
1446.3
425.0
1871.3
View list
17
1720096765
Mccarthy, E (Eugene)
1
1.0
1
0
0
100.0
1459.2
425.0
1884.2
View list
18
1780106687
Mncwabe, B (Bojas)
1
1.0
1
0
0
100.0
1459.2
425.0
1884.2
View list
19
1850100526
Mohithli, G (Gemi)
1
1.0
1
0
0
100.0
1493.6
425.0
1918.6
View list
20
1760106698
Mosima, M (Mj)
1
1.0
1
0
0
100.0
1493.6
425.0
1918.6
View list