Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Ruben John

1060141771
Buffalo City (EBC)
Personal
Main rating
Rating 1464.9
K-factor 32
Floor 990
Highest 1490 (2025-01-01)
Min/Max +/- allowed 110
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1289.5
Final +/- 0
New Rating
()
Rating 1464.9
K-factor 32
Floor 990
Highest 1490 (2025-01-01)
Min/Max +/- allowed 109.7
Standard rating
Rating 1472.8
K-factor 32
Floor 999.2
Highest 1569.4 (2023-03-01)
Min/Max +/- allowed 98
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1289.5
Final +/- 0
New Rating
()
Rating 1472.8
K-factor 32
Floor 999.2
Highest 1569.4 (2023-03-01)
Min/Max +/- allowed 98
Rapid rating
Rating 1242.1
K-factor 36
Floor 742.1
Highest 1242.1 (2024-02-01)
Min/Max +/- allowed 156.2
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 0
Final +/- 0
New Rating
()
Rating 1242.1
K-factor 36
Floor 742.1
Highest 1242.1 (2024-02-01)
Min/Max +/- allowed 156.2
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
No tournaments found.
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
# Tournament Type Start End Host Rounds Rating Games Score Perform Rat+/- Details
1 South African Junior Closed Chess Championships 2025 (U20 Open) Classical 2025-03-31 2025-04-05 Cape Winelands (WCW) 9 1490 8 2.5 1392.1 0 Details
2 Mzansi Interprovincial Youth Chess Championships 2024 (U20 Open Combined) Classical 2024-12-16 2024-12-19 Capricorn (LCP) 7 1466 7 4.5 1551.2 0 Details
3 7th Annual UFH Heritage Open 2024 (B) Standard 2024-09-21 2024-09-22 Amathole (EAL) 7 1466 0 0 0 0 Details
4 2nd Buffalo City Chess Trials 2024 (U20A) Standard 2024-04-06 2024-04-06 Buffalo City (EBC) 5 1409.9 5 2.5 1532.5 0 Details
5 1st BC Chess Trials 2024 (U20+A) Standard 2024-03-02 2024-03-02 Buffalo City (EBC) 5 1360 5 4 1652 0 Details
6 4th BC HS Trials 2023 (U18A-Adult) Standard 2023-08-26 2023-08-26 Cape Winelands (WCW) 5 1294.3 5 4 1619.6 0 Details
7 BC Chess Trials 1 of 5 2023 (Prestige) Standard 2023-04-29 2023-04-29 Buffalo City (EBC) 5 1308 4 1 1213.6 0 Details
8 3rd Vikings Champs 2023 (U18-Adults) Standard 2023-03-23 2023-03-23 Buffalo City (EBC) 5 1253 5 4.5 1573.5 0 Details
9 BC Chess Trials 5 of 5 2022 (A) Rapid 2022-06-11 2022-06-11 Buffalo City (EBC) 10 1228.6 10 5.5 1405.2 0 Details
10 BC Chess 4th Border Trials 2022 (A) Rapid 2022-05-21 2022-05-21 Buffalo City (EBC) 10 1200 9 5 1417 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 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 (History)
Games 58
Wins 31
Draws 5
Losses 22
White 29
Black 29
White wins 19
Black wins 12
Score 33.5
Percent 57.8
Dp 65.9
AOR 1408.9
Performance 1474.9
Rankings (Main)
National
Overall 2203
Gender 1912
Age group 825
Gender/Age 773
Provincial
Overall 249
Gender 220
Age group 76
Gender/Age 72
Regional
Overall 86
Gender 71
Age group 23
Gender/Age 21
Rankings (Standard)
National
Overall 1954
Gender 1692
Age group 719
Gender/Age 674
Provincial
Overall 218
Gender 191
Age group 62
Gender/Age 59
Regional
Overall 78
Gender 64
Age group 18
Gender/Age 17
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 0
Score 0
Percent 0
Aor 0
Dp 0
Prat 0
Performance (12 months)
Games 8
Score 2.5
Percent 31.2
Aor 1551.5
Dp -159.4
Prat 1392.1
Performance (History)
Games 58
Score 33.5
Percent 57.8
Aor 1408.9
Dp 65.9
Prat 1474.9
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Meise, K (Keagen) 3 0 3 BC Chess 4th Border Trials 2022 (A) 2nd Buffalo City Chess Trials 2024 (U20A) Details
Overall 2 Racaza, S (Sinovuyo) 2 2 0 BC Chess Trials 1 of 5 2023 (Prestige) 2nd Buffalo City Chess Trials 2024 (U20A) Details
Overall 3 Totose, Z (Zimi) 2 0 2 BC Chess 4th Border Trials 2022 (A) 4th BC HS Trials 2023 (U18A-Adult) Details
Overall 4 Becker, M (Matthew) 2 0 2 BC Chess Trials 5 of 5 2022 (A) BC Chess Trials 1 of 5 2023 (Prestige) Details
Overall 5 Pearson, E (Ethan) 2 2 0 BC Chess 4th Border Trials 2022 (A) BC Chess Trials 5 of 5 2022 (A) Details
Standard 1 Kgomo, M (Mathema) 2 0 2 Mzansi Interprovincial Youth Chess Championships 2024 (U20 Open Combined) South African Junior Closed Chess Championships 2025 (U20 Open) Details
Standard 2 Mazikana, E (Ethan) 2 2 0 1st BC Chess Trials 2024 (U20+A) 2nd Buffalo City Chess Trials 2024 (U20A) Details
Standard 3 Racaza, S (Sinovuyo) 2 2 0 BC Chess Trials 1 of 5 2023 (Prestige) 2nd Buffalo City Chess Trials 2024 (U20A) Details
Rapid 1 Meise, K (Keagen) 2 0 2 BC Chess 4th Border Trials 2022 (A) BC Chess Trials 5 of 5 2022 (A) Details
Rapid 2 Pearson, E (Ethan) 2 2 0 BC Chess 4th Border Trials 2022 (A) BC Chess Trials 5 of 5 2022 (A) Details
Rapid 3 Becker, R (Robyn) 2 1 1 BC Chess 4th Border Trials 2022 (A) BC Chess Trials 5 of 5 2022 (A) Details
Rapid 4 Qangule, MK (Mandibonge Khaka) 2 1 1 BC Chess 4th Border Trials 2022 (A) BC Chess Trials 5 of 5 2022 (A) Details