Surname or Chess SA id..
Chess SA Region AOC

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Rosco Willeman

1130157017
Eden (WEG)
Personal
Main rating
Rating 1201.2
K-factor 36
Floor 701.2
Highest 1201.2 (2026-02-28)
Min/Max +/- allowed 166
Rating Change
()
Games 5
Score 2
We 1.92
SWe 0.07
Temp +/- 2.4
Penalties 0
Weight perform 0
Final +/- 2.4
New Rating
()
Rating 1203.6
K-factor 36
Floor 703.6
Highest 1203.6 (2026-03-01)
Min/Max +/- allowed 165
Standard rating
Rating 1202.2
K-factor 36
Floor 702.2
Highest 1202.2 (2026-02-28)
Min/Max +/- allowed 165.3
Rating Change
()
Games 5
Score 2
We 1.99
SWe 0.01
Temp +/- 0.4
Penalties 0
Weight perform 0
Final +/- 0.4
New Rating
()
Rating 1202.6
K-factor 36
Floor 702.6
Highest 1202.6 (2026-03-01)
Min/Max +/- allowed 165.2
Rapid rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2018-10-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 George Trials 3 2026 (U13 Boys) Standard 2026-02-28 2026-02-28 Eden (WEG) 5 1201.2 5 2 1208.7 2.4 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Loerie Skaaktoernooi 2026 (U11+U13) Rapid 2026-02-21 2026-02-21 Eden (WEG) 5 1200 0 0 0 0 Details
2 George Trials 2 2026 (U13 Boys) Standard 2026-02-14 2026-02-14 Eden (WEG) 5 1200 5 1.5 1167.1 0 Details
3 George Trials 1 2026 (U13 Boys) Standard 2026-01-31 2026-01-31 Eden (WEG) 5 1200 5 2 1250.2 0 Details
Game statistics ( )
Games 0
Wins 0
Draws 0
Losses 0
White 0
Black 0
White wins 0
Black wins 0
Score 0
Percent 0
Dp 0
AOR 0
Performance 0
Game statistics ()
Games 15
Wins 4
Draws 3
Losses 8
White 7
Black 8
White wins 2
Black wins 2
Score 5.5
Percent 36.7
Dp -113.3
AOR 1322
Performance 1208.6
Game statistics (History)
Games 15
Wins 4
Draws 3
Losses 8
White 7
Black 8
White wins 2
Black wins 2
Score 5.5
Percent 36.7
Dp -113.3
AOR 1322
Performance 1208.6
Rankings (Main)
National
Overall 12601
Gender 9913
Age group 2250
Gender/Age 1629
Provincial
Overall 3614
Gender 2767
Age group 662
Gender/Age 461
Regional
Overall 868
Gender 645
Age group 165
Gender/Age 104
Rankings (Standard)
National
Overall 9822
Gender 7672
Age group 1733
Gender/Age 1237
Provincial
Overall 2772
Gender 2064
Age group 495
Gender/Age 331
Regional
Overall 779
Gender 566
Age group 149
Gender/Age 93
Rankings (Rapid)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Rankings (Blitz)
National
Overall -1
Gender -1
Age group -1
Gender/Age -1
Provincial
Overall -1
Gender -1
Age group -1
Gender/Age -1
Regional
Overall -1
Gender -1
Age group -1
Gender/Age -1
Performance ( )
Games 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance ()
Games 15
Score 5.5
Percent 36.7
Aor 1322
Dp -113.3
Prat 1208.6
Performance (12 months)
Games 15
Score 5.5
Percent 36.7
Aor 1322
Dp -113.3
Prat 1208.6
Performance (History)
Games 15
Score 5.5
Percent 36.7
Aor 1322
Dp -113.3
Prat 1208.6
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Matwa, M (Mhleli) 2 0 2 George Trials 1 2026 (U13 Boys) George Trials 3 2026 (U13 Boys) Details
Overall 2 Krynauw, A (Arno) 2 1 1 George Trials 1 2026 (U13 Boys) George Trials 2 2026 (U13 Boys) Details
Standard 1 Matwa, M (Mhleli) 2 0 2 George Trials 1 2026 (U13 Boys) George Trials 3 2026 (U13 Boys) Details
Standard 2 Krynauw, A (Arno) 2 1 1 George Trials 1 2026 (U13 Boys) George Trials 2 2026 (U13 Boys) Details