Chess South Africa
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Chess South Africa
Meiboom Jnr, G (Gerrit)
Dob:
1961/04/24 (Adult)
Gender:
Male
Chess SA id:
161022514
FIDE id:
Region:
Tshwane (GTP)
Citizen:
RSA
Title(s):
Last active:
2022/07/04 (853 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
1878.3
Current Weighted rating
1850.5
Current Weighted performance
833.2
Current official/published rating (highest between Raw, WR and WP)
1878.3
Current highest rating achieved
2102.0
Current floor (min rating allowed)
1602.0
Current K-factor
20
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)
±63.1
Current Raw change used (final)
0.0
Projected new Raw rating
1878.3
Projected new Weighed rating
1704.2
Projected new Weighted performance
833.2
Projected new final Raw rating (if new WP > new Raw)
1878.3
Projected new highest rating
2102.0
Projected new floor
1602.0
Projected new K-facor
20
Projected new official/published rating (highest between new Raw, new WR and new WP)
1878.3
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
1798.7
Current Weighted rating
1798.1
Current Weighted performance
829.6
Current official/published rating (highest between Raw, WR and WP)
1798.7
Current highest rating achieved
2102.0
Current floor (min rating allowed)
1602.0
Current K-factor
20
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)
±70.7
Current Raw change used (final)
0.0
Projected new Raw rating
1798.7
Projected new Weighed rating
1654.3
Projected new Weighted performance
829.6
Projected new final Raw rating (if new WP > new Raw)
1798.7
Projected new highest rating
2102.0
Projected new floor
1602.0
Projected new K-facor
20
Projected new official/published rating (highest between new Raw, new WR and new WP)
1798.7
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
1951.8
Current Weighted rating
1951.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1951.8
Current highest rating achieved
2102.0
Current floor (min rating allowed)
1602.0
Current K-factor
20
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)
±56.8
Current Raw change used (final)
0.0
Projected new Raw rating
1951.8
Projected new Weighed rating
1795.7
Projected new Weighted performance
365.1
Projected new final Raw rating (if new WP > new Raw)
1951.8
Projected new highest rating
2102.0
Projected new floor
1602.0
Projected new K-facor
20
Projected new official/published rating (highest between new Raw, new WR and new WP)
1951.8
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
1931.2
Current Weighted rating
1931.2
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1931.2
Current highest rating achieved
2102.0
Current floor (min rating allowed)
1602.0
Current K-factor
20
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)
±58.5
Current Raw change used (final)
0.0
Projected new Raw rating
1931.2
Projected new Weighed rating
1776.7
Projected new Weighted performance
379.1
Projected new final Raw rating (if new WP > new Raw)
1931.2
Projected new highest rating
2102.0
Projected new floor
1602.0
Projected new K-facor
20
Projected new official/published rating (highest between new Raw, new WR and new WP)
1931.2
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
12
Bellville Chess Club Champs 2022 (Group 1)
2022/05/16
2022/07/04
Cape Town (WCT)
Standard
90
0.94
7
6
4.0
1786.9
1798.0
Analysis
11
2019 South African Closed Chess Championships (Senior)
2019/12/07
2019/12/17
Cape Town (WCT)
Standard
150
1.00
11
10
4.0
1825.3
1837.4
Analysis
10
Bellville Rapid Oct 2019
2019/10/14
2019/10/14
Cape Town (WCT)
Rapid
15
0.39
6
6
5.5
1821.7
1950.2
Analysis
9
Bellville Blitz 2019
2019/09/16
2019/09/16
Cape Town (WCT)
Blitz
8
0.25
6
6
4.0
1824.8
1965.2
Analysis
8
2019 Western Province League (Premier)
2019/07/27
2019/09/07
Cape Town (WCT)
Standard
120
1.00
11
9
5.0
1824.8
1837.2
Analysis
7
Stellenberg Youth Chess Championship 2019 (Presige)
2019/05/01
2019/05/01
Cape Town (WCT)
Rapid
30
0.60
6
5
1.5
1863.8
1987.0
Analysis
6
Steinitz Chess Festival 2019 (A)
2019/04/05
2019/04/07
Cape Town (WCT)
Standard
70
0.87
6
6
2.0
1898.6
1902.0
Analysis
5
Bellville Club Champs 2019 (A)
2019/02/04
2019/05/27
Cape Town (WCT)
Standard
90
0.94
11
10
6.5
1863.8
1861.2
Analysis
4
Bellville Chess Club 01 Blitz Tournament 2019
2019/01/28
2019/01/28
Cape Town (WCT)
Blitz
5
0.18
7
7
6.0
1900.2
1975.2
Analysis
3
2018 Western Province League (Premier)
2018/08/04
2018/09/15
Cape Town (WCT)
Standard
120
1.00
11
10
5.5
1930.2
1933.0
Analysis
2
Bellville Club Champs 2018 (A)
2018/02/12
2018/06/04
Cape Town (WCT)
Standard
75
0.89
11
10
5.5
1984.4
1987.0
Analysis
1
Bellville Chess Club 2 Blitz 2018
2018/02/05
2018/02/05
Cape Town (WCT)
Blitz
5
0.18
7
7
5.5
1987.0
1987.0
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
92
44
22
26
55.0
59.8
83.2
1654.3
1737.4
White
47
26
12
9
32.0
68.1
153.7
1642.0
1795.8
Black
45
18
10
17
23.0
51.1
9.4
1667.1
1676.5
Standard
All
61
23
19
19
32.5
53.3
27.9
1703.1
1730.9
White
31
14
10
7
19.0
61.3
96.0
1687.7
1783.6
Black
30
9
9
12
13.5
45.0
-42.5
1719.0
1676.5
Rapid
All
11
6
2
3
7.0
63.6
115.9
1652.2
1768.1
White
6
2
2
2
3.0
50.0
0.0
1707.5
1707.5
Black
5
4
0
1
4.0
80.0
255.0
1585.8
1840.8
Blitz
All
20
15
1
4
15.5
77.5
233.8
1506.7
1740.4
White
10
10
0
0
10.0
100.0
425.0
1461.3
1886.3
Black
10
5
1
4
5.5
55.0
42.5
1552.0
1594.5
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
175042365
Walters, WDP (Wouter)
5
3.0
2
2
1
60.0
1872.0
85.0
1957.0
View list
2
172012903
Horne, N (Neil)
4
3.5
3
1
0
87.5
1850.6
318.8
2169.4
View list
3
143012765
Holland, RI (Richard)
4
3.0
3
0
1
75.0
1914.2
212.5
2126.7
View list
4
168040472
Van Schaik, MP (Michael)
4
3.0
2
2
0
75.0
1905.5
212.5
2118.0
View list
5
153010181
Galleid, S (Stephen)
4
2.0
1
2
1
50.0
1879.9
0.0
1879.9
View list
6
167002306
Blaauw, GM (Gavin)
3
2.5
2
1
0
83.3
1957.2
283.3
2240.5
View list
7
156017929
Levin, BRL (Benny)
3
2.5
2
1
0
83.3
1945.1
283.3
2228.4
View list
8
192001584
Baxter, DJ (David)
3
1.5
1
1
1
50.0
1932.1
0.0
1932.1
View list
9
165033637
Schutte, A (Andre)
3
1.5
0
3
0
50.0
1825.3
0.0
1825.3
View list
10
197076467
Mncwabe, M (Minenhle Junior)
2
2.0
2
0
0
100.0
1876.0
425.0
2300.9
View list
11
106085447
Prinsloo, R (Reinhardt)
2
2.0
2
0
0
100.0
1823.3
425.0
2248.3
View list
12
149086046
Snyman, J (Johannes)
2
2.0
2
0
0
100.0
1862.5
425.0
2287.5
View list
13
144043256
Wright, M (Malcolm)
2
2.0
2
0
0
100.0
1903.1
425.0
2328.1
View list
14
179026143
Muller, ND (Neyton)
2
1.5
1
1
0
75.0
1924.1
212.5
2136.6
View list
15
176032855
Russouw, DJ (Daniel)
2
1.5
1
1
0
75.0
1843.6
212.5
2056.1
View list
16
147035755
Southey, AM (Andrew)
2
1.0
1
0
1
50.0
1825.0
0.0
1825.0
View list
17
162088913
Wright, A (Adrian)
2
1.0
1
0
1
50.0
1924.1
0.0
1924.1
View list
18
189053931
Salem, A (Abdarahim)
2
1.0
0
2
0
50.0
1914.4
0.0
1914.4
View list
19
162017968
Lewis, MMM (Mark)
2
0.0
0
0
2
0.0
1844.5
-425.0
1419.5
View list
20
176040813
Van Wyk, GB (Geoffrey)
2
0.0
0
0
2
0.0
1882.0
-425.0
1457.0
View list