Chess South Africa
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Chess South Africa
Booysen, J (Jakob)
Dob:
2006/12/03 (U20)
Gender:
Male
Chess SA id:
1060162869
FIDE id:
Region:
Cape Winelands (WCW)
Citizen:
RSA
Title(s):
Last active:
2024/05/11 (7 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
1120.7
Curent Weighted rating
1173.6
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1173.6
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
Current K-factor
36
Games played this month
4
Score (S)
1.0
Expected score (We)
1.81
Difference (S-We)
-0.81
Current Raw change (no limits, including tournament time weight)
-17.5
Current min/max change allowed (with limits)
±185.6
Current Raw change used (final)
-17.5
Projected new Raw rating
1103.2
Projected new Weighed rating
1167.1
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1167.1
Projected effective change (new Official - current Official)
-6.5
Projected new highest rating
1200.0
Projected new floor
700.0
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
1166.5
Curent Weighted rating
1190.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1190.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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)
±173.9
Current Raw change used (final)
0.0
Projected new Raw rating
1166.5
Projected new Weighed rating
1187.7
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1187.7
Projected effective change (new Official - current Official)
-2.2
Projected new highest rating
1200.0
Projected new floor
700.0
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
1097.1
Curent Weighted rating
1164.7
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1164.7
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
Current K-factor
36
Games played this month
4
Score (S)
1.0
Expected score (We)
1.52
Difference (S-We)
-0.52
Current Raw change (no limits, including tournament time weight)
-18.7
Current min/max change allowed (with limits)
±192.0
Current Raw change used (final)
-18.7
Projected new Raw rating
1078.4
Projected new Weighed rating
1156.6
Projected new Weighted performance
0.0
Projected new official/published rating (highest between new Raw, new WR and new WP)
1156.6
Projected effective change (new Official - current Official)
-8.1
Projected new highest rating
1200.0
Projected new floor
700.0
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
1200.0
Curent Weighted rating
1200.0
Curent Weighted performance
0.0
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current floor (min rating allowed)
700.0
Current highest rating achieved
1200.0
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
1200.0
Projected new Weighted performance
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
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Tournaments
History
Tournament:
Robertson Strategema Chess May 2024 (Open)
Start:
2024/05/11
End:
2024/05/11
Host:
WCW
Type:
Rapid
Time:
30
Time weight:
0.60
Rounds:
4
Games:
4
Score:
1.0
Main rating:
1120.7
Rating gain/loss:
-17.5
Type rating:
1097.1
Rating gain/loss:
-18.7
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
3
Robertson Strategema Chess May 2024 (Open)
2024/05/11
2024/05/11
Cape Winelands (WCW)
Rapid
30
0.60
5
4
1.0
1120.7
1097.1
Analysis
2
Cape Winelands Schools - HS Trials 1 2024 (U18 Boys)
2024/02/17
2024/02/17
Cape Winelands (WCW)
Rapid
35
0.66
6
6
1.5
1156.1
1163.3
Analysis
1
Cape Winelands - Marie Delport Memorial 2024 (Open)
2024/01/27
2024/01/28
Cape Winelands (WCW)
Standard
70
0.87
6
5
1.0
1179.3
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
4
Robertson Strategema Chess May 2024 (Open)
2024/05/11
2024/05/11
Cape Winelands (WCW)
Rapid
30
0.60
5
4
1.0
1120.7
1097.1
Analysis
3
Cape Winelands Schools - HS Trials 1 2024 (U18 Boys)
2024/02/17
2024/02/17
Cape Winelands (WCW)
Rapid
35
0.66
6
6
1.5
1156.1
1163.3
Analysis
2
Cape Winelands - Marie Delport Memorial 2024 (Open)
2024/01/27
2024/01/28
Cape Winelands (WCW)
Standard
70
0.87
6
5
1.0
1179.3
1200.0
Analysis
1
Worcester Knock-Out 2023 (U18 Boys)
2023/10/14
2023/10/14
Cape Winelands (WCW)
Rapid
30
0.60
6
6
2.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
15
3
1
11
3.5
23.3
-226.7
1211.9
985.2
White
8
3
0
5
3.0
37.5
-106.3
1269.6
1163.4
Black
7
0
1
6
0.5
7.1
-364.3
1145.9
781.6
Standard
All
5
1
0
4
1.0
20.0
-255.0
1318.6
1063.6
White
3
1
0
2
1.0
33.3
-141.7
1350.0
1208.4
Black
2
0
0
2
0.0
0.0
-425.0
1271.4
846.4
Rapid
All
10
2
1
7
2.5
25.0
-212.5
1158.5
946.0
White
5
2
0
3
2.0
40.0
-85.0
1221.4
1136.4
Black
5
0
1
4
0.5
10.0
-340.0
1095.6
755.6
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
21
5
1
15
5.5
26.2
-202.4
1210.1
1007.7
White
11
3
0
8
3.0
27.3
-193.2
1248.7
1055.5
Black
10
2
1
7
2.5
25.0
-212.5
1167.6
955.1
Standard
All
5
1
0
4
1.0
20.0
-255.0
1318.6
1063.6
White
3
1
0
2
1.0
33.3
-141.7
1350.0
1208.4
Black
2
0
0
2
0.0
0.0
-425.0
1271.4
846.4
Rapid
All
16
4
1
11
4.5
28.1
-185.9
1176.2
990.2
White
8
2
0
6
2.0
25.0
-212.5
1210.7
998.2
Black
8
2
1
5
2.5
31.3
-159.4
1141.7
982.3
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
1070191715
Mackenzie, J (Jarian)
2
1.5
1
1
0
75.0
1167.7
212.5
1380.2
View list
2
1070192765
Cedras, C (Charl)
1
1.0
1
0
0
100.0
1156.1
425.0
1581.1
View list
3
1060158346
Faro, H (Henson)
1
1.0
1
0
0
100.0
1120.7
425.0
1545.7
View list
4
1060162873
Theron, T (Thomas)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1060162868
Alexander, E (Ethan)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
6
1080137618
Weimers, J (Jemal)
1
0.0
0
0
1
0.0
1120.7
-425.0
695.7
View list
7
1080137613
Topp, K (Kelvin)
1
0.0
0
0
1
0.0
1156.1
-425.0
731.1
View list
8
1080192777
Solomon, X (Xavier)
1
0.0
0
0
1
0.0
1156.1
-425.0
731.1
View list
9
1070108819
Smit, R (Rikis)
1
0.0
0
0
1
0.0
1179.3
-425.0
754.3
View list
10
1080142360
Scheepers, D (Durran)
1
0.0
0
0
1
0.0
1156.1
-425.0
731.1
View list
11
2070137625
Nortje, M (Melvinia)
1
0.0
0
0
1
0.0
1120.7
-425.0
695.7
View list
12
106084224
Mootsi, S (Seemo)
1
0.0
0
0
1
0.0
1156.1
-425.0
731.1
View list
13
1060137568
Maritz, P (Pieter)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
14
108090548
Lewaks, S (Shaundre)
1
0.0
0
0
1
0.0
1179.3
-425.0
754.3
View list
15
1110132074
Kwabe, A (Awonke)
1
0.0
0
0
1
0.0
1179.3
-425.0
754.3
View list
16
108086610
Isaacs, S (Sean-Patrick)
1
0.0
0
0
1
0.0
1179.3
-425.0
754.3
View list
17
1060147579
Hlalele, L (Le-Eme)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
18
1060162870
Dos Martiris, A (Antonio)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
19
187006098
Davids, JW (Jo-Wayne)
1
0.0
0
0
1
0.0
1120.7
-425.0
695.7
View list
20
1060108636
Brown, G (Gareth)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list