Chess South Africa
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Chess South Africa
Graaff, I (Ivan)
Dob:
2007/05/17 (U18)
Gender:
Male
Chess SA id:
1070302071
FIDE id:
Region:
Lejweleputswa (FLW)
Citizen:
RSA
Title(s):
Last active:
2024/09/21 (64 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
1169.8
Current Weighted rating
1189.9
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1189.9
Current highest rating achieved
1183.9
Current floor (min rating allowed)
683.9
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)
±173.1
Current Raw change used (final)
0.0
Projected new Raw rating
1169.8
Projected new Weighed rating
1094.4
Projected new Weighted performance
635.7
Projected new final Raw rating (if new WP > new Raw)
1169.8
Projected new highest rating
1183.9
Projected new floor
683.9
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1169.8
Projected effective change (new Official - current Official)
-20.1
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
1162.4
Current Weighted rating
1187.7
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1187.7
Current highest rating achieved
1180.8
Current floor (min rating allowed)
680.8
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)
±174.9
Current Raw change used (final)
0.0
Projected new Raw rating
1162.4
Projected new Weighed rating
1092.3
Projected new Weighted performance
635.7
Projected new final Raw rating (if new WP > new Raw)
1162.4
Projected new highest rating
1180.8
Projected new floor
680.8
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1162.4
Projected effective change (new Official - current Official)
-25.3
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
0.0
Current floor (min rating allowed)
700.0
Current K-factor
40
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
0.0
Projected new floor
700.0
Projected new K-facor
40
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
0.0
Current floor (min rating allowed)
700.0
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)
±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
0.0
Projected new floor
700.0
Projected new K-facor
40
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.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
2
Lejweleputswa Closed Chess Championships 2024 (U18)
2024/09/21
2024/09/21
Lejweleputswa (FLW)
Standard
63
0.84
5
5
2.0
1183.9
1180.8
Analysis
1
Lejweleputswa 3rd Qualifieng Tournament 2024 (U18)
2024/04/20
2024/04/20
Lejweleputswa (FLW)
Standard
63
0.84
5
4
1.5
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
Lejweleputswa Closed Chess Championships 2024 (U18)
2024/09/21
2024/09/21
Lejweleputswa (FLW)
Standard
63
0.84
5
5
2.0
1183.9
1180.8
Analysis
1
Lejweleputswa 3rd Qualifieng Tournament 2024 (U18)
2024/04/20
2024/04/20
Lejweleputswa (FLW)
Standard
63
0.84
5
4
1.5
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
9
3
1
5
3.5
38.9
-94.4
1204.0
1109.5
White
5
3
0
2
3.0
60.0
85.0
1223.9
1308.9
Black
4
0
1
3
0.5
12.5
-318.8
1179.0
860.3
Standard
All
9
3
1
5
3.5
38.9
-94.4
1204.0
1109.5
White
5
3
0
2
3.0
60.0
85.0
1223.9
1308.9
Black
4
0
1
3
0.5
12.5
-318.8
1179.0
860.3
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
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
9
3
1
5
3.5
38.9
-94.4
1204.0
1109.5
White
5
3
0
2
3.0
60.0
85.0
1223.9
1308.9
Black
4
0
1
3
0.5
12.5
-318.8
1179.0
860.3
Standard
All
9
3
1
5
3.5
38.9
-94.4
1204.0
1109.5
White
5
3
0
2
3.0
60.0
85.0
1223.9
1308.9
Black
4
0
1
3
0.5
12.5
-318.8
1179.0
860.3
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
107046904
Malan, JME (Johannes)
2
0.5
0
1
1
25.0
1192.0
-212.5
979.5
View list
2
1070302073
Lekaja, M (Manuel)
1
1.0
1
0
0
100.0
1183.9
425.0
1608.9
View list
3
2080302072
Hodgson, A (Angelique)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
1070311597
Nhlapo, S (Siphiwe)
1
1.0
1
0
0
100.0
1183.9
425.0
1608.9
View list
5
1080154816
Tladi, J (Junior)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
6
1080158091
Mtolo, S (Sibusiso)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
7
108089844
Michalakis, K (Kiriakos)
1
0.0
0
0
1
0.0
1183.9
-425.0
758.9
View list
8
1080146936
Barnard, B (Bryan)
1
0.0
0
0
1
0.0
1183.9
-425.0
758.9
View list
