Surname or Chess SA id..
Chess SA Region AOC Mzansi 2026

PLAYER PAGE

William Dean Brougham-Cook

1620316988
Sedibeng (GSV)
Personal
Main rating
Rating 1285.9
K-factor 36
Floor 785.9
Highest 1285.9 (2026-09-01)
Min/Max +/- allowed 147
Rating Change
()
Games 9
Score 3
We 2.46
SWe 0.45
Temp +/- 16.3
Penalties 0
Weight perform 1343.8
Final +/- +58
New Rating
()
Rating 1343.8
K-factor 36
Floor 843.8
Highest 1343.8 (2026-10-01)
Min/Max +/- allowed 135.1
Standard rating
Rating 1295
K-factor 36
Floor 795
Highest 1295 (2026-09-01)
Min/Max +/- allowed 144.8
Rating Change
()
Games 9
Score 3
We 2.58
SWe 0.42
Temp +/- 15.2
Penalties 0
Weight perform 1343.8
Final +/- +48.9
New Rating
()
Rating 1343.8
K-factor 36
Floor 843.8
Highest 1343.8 (2026-10-01)
Min/Max +/- allowed 135.1
Rapid rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2025-04-01)
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 (2025-04-01)
Min/Max +/- allowed 165.8
Blitz rating
Rating 1200
K-factor 36
Floor 700
Highest 1200 (2025-04-01)
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 (2025-04-01)
Min/Max +/- allowed 165.8
Rating Graph
Tournaments
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Fonteine Chess Open 2026 (A) Standard 2026-10-24 2026-10-24 Sedibeng (GSV) 5 1285.9 5 2 1364.9 12.3 Details
2 Ponziani Chess Open 2026 (A) Standard 2026-10-10 2026-10-10 Sedibeng (GSV) 5 1285.9 4 1 1336.6 3.9 Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 Eureka Open 01 August 2026 (B) Standard 2026-08-01 2026-08-01 Sedibeng (GSV) 5 1285.9 5 2.5 1391 23.7 Details
2 Chess-in-the-Vaal Open 18 April 2026 (C) Standard 2026-04-18 2026-04-18 Sedibeng (GSV) 5 1196 4 4 1619.6 66.2 Details
3 Queen's Gambit Chess Open 29 Nov 2025 (A) Standard 2025-11-29 2025-11-29 Sedibeng (GSV) 5 1199.8 3 0.5 1134.9 -6.1 Details
4 Hoerskool Drie Riviere Open 08 March 2025 (A) Standard 2025-03-08 2025-03-08 Sedibeng (GSV) 5 1200 5 1 1059.6 -15.4 Details
5 Laerskool Vaalpark Open 01 March 25 (A) Standard 2025-03-01 2025-03-01 Sedibeng (GSV) 5 1200 4 1 1267.4 5 Details
Game statistics ( )
Games 9
Wins 3
Draws 0
Losses 6
White 5
Black 4
White wins 0
Black wins 3
Score 3
Percent 33.3
Dp -141.7
AOR 1494
Performance 1352.3
Game statistics ()
Games 18
Wins 9
Draws 1
Losses 8
White 9
Black 9
White wins 2
Black wins 7
Score 9.5
Percent 52.8
Dp 23.6
AOR 1398.9
Performance 1422.5
Game statistics (History)
Games 30
Wins 11
Draws 2
Losses 17
White 16
Black 14
White wins 3
Black wins 8
Score 12
Percent 40
Dp -85
AOR 1397.6
Performance 1312.6
Rankings (Main)
National
Overall 6736
Gender 5497
Age group 235
Gender/Age 232
Provincial
Overall 2299
Gender 1867
Age group 79
Gender/Age 77
Regional
Overall 279
Gender 235
Age group 9
Gender/Age 9
Rankings (Standard)
National
Overall 5594
Gender 4520
Age group 188
Gender/Age 186
Provincial
Overall 1999
Gender 1614
Age group 67
Gender/Age 65
Regional
Overall 226
Gender 187
Age group 8
Gender/Age 8
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 4
Score 1
Percent 25
Aor 1549.1
Dp -212.5
Prat 1336.6
Performance ()
Games 13
Score 7.5
Percent 57.7
Aor 1379.2
Dp 65.4
Prat 1444.6
Performance (12 months)
Games 16
Score 8
Percent 50
Aor 1386.6
Dp 0
Prat 1386.6
Performance (History)
Games 25
Score 10
Percent 40
Aor 1387.1
Dp -85
Prat 1302.1
Top 5 opponents most often played
Player not found.
Type # Opponent Games White Black First tournament Last tournament Details