Chess South Africa
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Chess South Africa
Schaafsma, A (Andrew)
Dob:
2005/12/20 (U20)
Gender:
Male
Chess SA id:
1050117171
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2023/05/29 (394 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
1190.0
Current Weighted rating
1176.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1190.0
Current highest rating achieved
1190.0
Current floor (min rating allowed)
690.0
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)
±168.2
Current Raw change used (final)
0.0
Projected new Raw rating
1190.0
Projected new Weighed rating
1083.7
Projected new Weighted performance
837.1
Projected new final Raw rating (if new WP > new Raw)
1190.0
Projected new highest rating
1190.0
Projected new floor
690.0
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1190.0
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
1195.6
Current Weighted rating
1178.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1195.6
Current highest rating achieved
1195.6
Current floor (min rating allowed)
695.6
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)
±166.9
Current Raw change used (final)
0.0
Projected new Raw rating
1195.6
Projected new Weighed rating
1085.4
Projected new Weighted performance
837.1
Projected new final Raw rating (if new WP > new Raw)
1195.6
Projected new highest rating
1195.6
Projected new floor
695.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1195.6
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
4
Steyn City School Chess League 2023 (A)
2023/05/05
2023/05/29
Johannesburg Metro (GJM)
Standard
60
0.83
6
5
4.5
1104.0
1087.6
Analysis
3
Dainfern College Chess League 2023 (A)
2023/01/30
2023/03/13
Johannesburg Metro (GJM)
Standard
60
0.83
6
5
1.0
1123.3
1105.6
Analysis
2
Ekurhuleni Chess Chessa Open 2021 (B)
2021/03/27
2021/03/27
Ekurhuleni (GE)
Standard
60
0.83
5
5
0.0
1176.1
1172.4
Analysis
1
JHB North High School League 2019
2019/02/19
2019/07/22
Chess Excellence (CEX)
Standard
60
0.83
5
5
2.0
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
20
7
1
12
7.5
37.5
-106.3
1242.7
1136.5
White
9
1
1
7
1.5
16.7
-283.3
1264.4
981.1
Black
11
6
0
5
6.0
54.5
38.6
1224.9
1263.6
Standard
All
20
7
1
12
7.5
37.5
-106.3
1242.7
1136.5
White
9
1
1
7
1.5
16.7
-283.3
1264.4
981.1
Black
11
6
0
5
6.0
54.5
38.6
1224.9
1263.6
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
1050117139
Yende, B (Bonga)
2
1.5
1
1
0
75.0
1152.0
212.5
1364.5
View list
2
1050153736
Dullabh, S (Shivay)
1
1.0
1
0
0
100.0
1104.0
425.0
1529.0
View list
3
1070153733
Dixon, A (Alex)
1
1.0
1
0
0
100.0
1123.3
425.0
1548.3
View list
4
1050117207
Chalmers, G (Gabriel)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
5
1090136702
Jacob, AK (Abishai)
1
1.0
1
0
0
100.0
1104.0
425.0
1529.0
View list
6
1050153743
Khutsone, T (Tshireletso)
1
1.0
1
0
0
100.0
1104.0
425.0
1529.0
View list
7
1070153750
Mufandaidza, A (Anashe Stefan)
1
1.0
1
0
0
100.0
1104.0
425.0
1529.0
View list
8
1900133959
Zhou, A (Author)
1
0.0
0
0
1
0.0
1176.1
-425.0
751.1
View list
9
1030117170
Venter, L (Liam)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
10
1090147255
Swartz, K (Kent Pierre)
1
0.0
0
0
1
0.0
1123.3
-425.0
698.3
View list
11
1110119754
Sun, Q (Qiyuan)
1
0.0
0
0
1
0.0
1123.3
-425.0
698.3
View list
12
209092675
Ramlall, S (Sanjana)
1
0.0
0
0
1
0.0
1123.3
-425.0
698.3
View list
13
1080152480
Pagenkopf, C (Christian)
1
0.0
0
0
1
0.0
1123.3
-425.0
698.3
View list
14
1040118310
Nzdombane, M (Mbulelo)
1
0.0
0
0
1
0.0
1176.1
-425.0
751.1
View list
15
107086151
Nkosi, S (Siphesihle)
1
0.0
0
0
1
0.0
1176.1
-425.0
751.1
View list
16
107093194
Motshoane, R (Rorisang)
1
0.0
0
0
1
0.0
1176.1
-425.0
751.1
View list
17
1050117178
Mokgonyane, R (Rapha)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
18
1070107792
Jaitas, K (Kittisak)
1
0.0
0
0
1
0.0
1176.1
-425.0
751.1
View list
19
101009608
Fok, J (Johnny)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list