Chess South Africa
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Chess South Africa
Petlak, M (Marek)
Dob:
1971/06/02 (Adult)
Gender:
Male
Chess SA id:
171029818
FIDE id:
Region:
Johannesburg Metro (GJM)
Citizen:
RSA
Title(s):
Last active:
2024/10/26 (47 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
1407.4
Current Weighted rating
1357.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1407.4
Current highest rating achieved
1407.4
Current floor (min rating allowed)
907.4
Current K-factor
32
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)
±123.4
Current Raw change used (final)
0.0
Projected new Raw rating
1407.4
Projected new Weighed rating
1252.6
Projected new Weighted performance
286.8
Projected new final Raw rating (if new WP > new Raw)
1407.4
Projected new highest rating
1407.4
Projected new floor
907.4
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1407.4
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
1406.0
Current Weighted rating
1352.4
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1406.0
Current highest rating achieved
1406.0
Current floor (min rating allowed)
906.0
Current K-factor
32
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)
±123.6
Current Raw change used (final)
0.0
Projected new Raw rating
1406.0
Projected new Weighed rating
1248.2
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1406.0
Projected new floor
906.0
Projected new K-facor
32
Projected new official/published rating (highest between new Raw, new WR and new WP)
1406.0
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
1229.0
Current Weighted rating
1221.5
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1229.0
Current highest rating achieved
1229.0
Current floor (min rating allowed)
729.0
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)
±159.1
Current Raw change used (final)
0.0
Projected new Raw rating
1229.0
Projected new Weighed rating
1124.3
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1229.0
Projected new floor
729.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1229.0
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
1252.0
Current Weighted rating
1252.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1252.0
Current highest rating achieved
1252.0
Current floor (min rating allowed)
752.0
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)
±154.0
Current Raw change used (final)
0.0
Projected new Raw rating
1252.0
Projected new Weighed rating
1151.8
Projected new Weighted performance
318.6
Projected new final Raw rating (if new WP > new Raw)
1252.0
Projected new highest rating
1252.0
Projected new floor
752.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1252.0
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
1
Mzansi Summer Rapid 2024 (B)
2024/10/26
2024/10/26
Johannesburg Metro (GJM)
Rapid
25
0.54
6
0
0.0
1407.4
1229.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
Mzansi Summer Rapid 2024 (B)
2024/10/26
2024/10/26
Johannesburg Metro (GJM)
Rapid
25
0.54
6
0
0.0
1407.4
1229.0
Analysis
1
Chessheroes Choo Choo Challenge 2022
2022/01/08
2022/01/08
Tshwane (GTP)
Blitz
8
0.25
7
7
3.0
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
7
3
0
4
3.0
42.9
-60.7
1568.7
1508.0
White
4
3
0
1
3.0
75.0
212.5
1437.0
1649.5
Black
3
0
0
3
0.0
0.0
-425.0
1744.2
1319.2
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
7
3
0
4
3.0
42.9
-60.7
1568.7
1508.0
White
4
3
0
1
3.0
75.0
212.5
1437.0
1649.5
Black
3
0
0
3
0.0
0.0
-425.0
1744.2
1319.2
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
2160135556
Strydom, M (Mikayla)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1680136347
Van Heerden, D (Darryn)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
3
170007775
Du Plessis, CR (Christiaan)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
4
171042847
Wilken, JB (Justin)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
183037083
Swartz, DS (David)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
6
1090103920
Reyneke, L (Luke)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
7
101023373
Mlahleki, V (Vusimuzi)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
