Chess South Africa
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Chess South Africa
Rostoll, J (Jaco)
Dob:
1985/08/17 (Adult)
Gender:
Male
Chess SA id:
1850310841
FIDE id:
Region:
Eden (WEG)
Citizen:
RSA
Title(s):
Last active:
2024/09/04 (15 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
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
8
Score (S)
3.0
Expected score (We)
1.76
Difference (S-We)
0.22
Current Raw change (no limits, including tournament time weight)
8.9
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
8.9
Projected new Raw rating
1208.9
Projected new Weighed rating
1104.0
Projected new Weighted performance
400.2
Projected new final Raw rating (if new WP > new Raw)
1208.9
Projected new highest rating
1208.9
Projected new floor
708.9
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1208.9
Projected effective change (new Official - current Official)
+8.9
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
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
8
Score (S)
3.0
Expected score (We)
3.61
Difference (S-We)
-0.61
Current Raw change (no limits, including tournament time weight)
-24.4
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
-24.4
Projected new Raw rating
1175.6
Projected new Weighed rating
1104.0
Projected new Weighted performance
444.7
Projected new final Raw rating (if new WP > new Raw)
1175.6
Projected new highest rating
1175.6
Projected new floor
675.6
Projected new K-facor
40
Projected new official/published rating (highest between new Raw, new WR and new WP)
1175.6
Projected effective change (new Official - current Official)
-24.4
Tournaments
History
Tournament:
InterClub Blitz 4 2024
Start:
2024/09/04
End:
2024/09/04
Host:
WEG
Type:
Blitz
Time:
5
Time weight:
0.18
Rounds:
8
Games:
8
Score:
3.0
Main rating:
1200.0
Rating gain/loss:
8.9
Type rating:
1200.0
Rating gain/loss:
-24.4
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
InterClub Blitz 4 2024
2024/09/04
2024/09/04
Eden (WEG)
Blitz
5
0.18
10
8
3.0
1200.0
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
1
InterClub Blitz 4 2024
2024/09/04
2024/09/04
Eden (WEG)
Blitz
5
0.18
10
8
3.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
8
3
0
5
3.0
37.5
-106.3
1447.1
1340.9
White
4
1
0
3
1.0
25.0
-212.5
1447.1
1234.6
Black
4
2
0
2
2.0
50.0
0.0
1447.1
1447.1
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
8
3
0
5
3.0
37.5
-106.3
1447.1
1340.9
White
4
1
0
3
1.0
25.0
-212.5
1447.1
1234.6
Black
4
2
0
2
2.0
50.0
0.0
1447.1
1447.1
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
8
3
0
5
3.0
37.5
-106.3
1447.1
1340.9
White
4
1
0
3
1.0
25.0
-212.5
1447.1
1234.6
Black
4
2
0
2
2.0
50.0
0.0
1447.1
1447.1
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
8
3
0
5
3.0
37.5
-106.3
1447.1
1340.9
White
4
1
0
3
1.0
25.0
-212.5
1447.1
1234.6
Black
4
2
0
2
2.0
50.0
0.0
1447.1
1447.1
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1100096199
Petersen, S (Shenwin)
2
2.0
2
0
0
100.0
1200.0
425.0
1625.0
View list
2
147031319
Quirk, T (Terence)
2
1.0
1
0
1
50.0
1200.0
0.0
1200.0
View list
3
184013517
Jafta, S (Shaunley)
2
0.0
0
0
2
0.0
1200.0
-425.0
775.0
View list
4
198065504
Jaars, T (Thomas)
2
0.0
0
0
2
0.0
1200.0
-425.0
775.0
View list
