Surname or Chess SA id..
Chess SA Region AOC

PLAYER PAGE

Andrew De Boer

1100138317
West Coast (WCU)
Personal
Main rating
Rating 1409.1
K-factor 32
Floor 909.1
Highest 1451.2 (2023-10-01)
Min/Max +/- allowed 116
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1235.7
Final +/- 0
New Rating
()
Rating 1409.1
K-factor 32
Floor 909.1
Highest 1451.2 (2023-10-01)
Min/Max +/- allowed 115.9
Standard rating
Rating 1345.1
K-factor 36
Floor 845.1
Highest 1345.1 (2025-05-05)
Min/Max +/- allowed 134.9
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1219.2
Final +/- 0
New Rating
()
Rating 1345.1
K-factor 36
Floor 845.1
Highest 1345.1 (2025-05-05)
Min/Max +/- allowed 134.9
Rapid rating
Rating 1392.2
K-factor 32
Floor 900.6
Highest 1465 (2023-10-01)
Min/Max +/- allowed 113.7
Rating Change
()
Games 0
Score 0
We 0
SWe 0
Temp +/- 0
Penalties 0
Weight perform 1159.4
Final +/- 0
New Rating
()
Rating 1392.2
K-factor 32
Floor 900.6
Highest 1465 (2023-10-01)
Min/Max +/- allowed 113.7
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 Western Cape Schools Individual Championship 2025 (U15 Boys) Standard 2025-04-26 2025-04-27 West Coast (WCU) 6 1391 6 3 1488.5 0 Details
2 West Coast Schools Chess Prestige 2025 (U15 Boys) Standard 2025-03-08 2025-03-08 West Coast (WCU) 6 1392 5 3 1377.4 0 Details
3 Lower West Coast Prestige 2025 (U15 Boys) Rapid 2025-02-22 2025-02-22 West Coast (WCU) 5 1383.5 5 4 1463.1 0 Details
4 Lower West Top Schools 2024 (U18) Rapid 2024-05-11 2024-05-11 West Coast (WCU) 5 1400.4 4 1.5 1211.3 0 Details
5 West Coast Primary Schools Grand Challenge League 2023 (Primary School) Rapid 2023-10-21 2023-10-21 West Coast (WCU) 5 1383 5 4 1584.8 0 Details
6 Western Cape Top Schools 2023 (U13 Mixed) Standard 2023-09-02 2023-09-03 Cape Winelands (WCW) 6 1304.5 5 3.5 1543.3 0 Details
7 Pedro Booyse Top Schools 2023 (U13) Standard 2023-07-29 2023-07-29 West Coast (WCU) 5 1256.3 5 4 1477.8 0 Details
8 Western Cape PS Individuals 2023 (U13 Boys) Standard 2023-05-05 2023-05-06 Cape Town (WCT) 6 1268.8 6 2 1210.1 0 Details
9 Lower West Coast Primary Schools Prestige Championships 2023 (U13 Boys) Rapid 2023-03-04 2023-03-04 West Coast (WCU) 5 1214.6 5 5 1635.5 0 Details
10 West Coast Schools Chess Grand Challenge 2022 (PS Development) Rapid 2022-10-29 2022-10-29 West Coast (WCU) 5 1176.7 5 4 1436.2 0 Details
11 Pedro Booyse Top Schools 2022 (U13 Open) Standard 2022-07-23 2022-07-23 West Coast (WCU) 5 1188.3 3 1 1100.8 0 Details
12 Onder-Weskus Top Skole 2022 (O13 Seuns) Rapid 2022-06-04 2022-06-04 West Coast (WCU) 5 1189.7 2 1 1161.2 0 Details
13 West Coast Schools Prestige 2022 (U13 Boys) Standard 2022-02-19 2022-02-19 West Coast (WCU) 6 1200 3 1 1100.1 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 59
Wins 33
Draws 8
Losses 18
White 28
Black 31
White wins 16
Black wins 17
Score 37
Percent 62.7
Dp 108.1
AOR 1291.1
Performance 1399.2
Rankings (Main)
National
Overall 3111
Gender 2651
Age group 453
Gender/Age 376
Provincial
Overall 929
Gender 768
Age group 136
Gender/Age 105
Regional
Overall 64
Gender 52
Age group 14
Gender/Age 14
Rankings (Standard)
National
Overall 4118
Gender 3437
Age group 657
Gender/Age 548
Provincial
Overall 1174
Gender 922
Age group 175
Gender/Age 133
Regional
Overall 60
Gender 46
Age group 17
Gender/Age 16
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 11
Score 6
Percent 54.5
Aor 1399.4
Dp 38.6
Prat 1438
Performance (History)
Games 59
Score 37
Percent 62.7
Aor 1291.1
Dp 108.1
Prat 1399.2
Top 5 opponents most often played
Type # Opponent Games White Black First tournament Last tournament Details
Overall 1 Koopman, T (Tyler) 2 0 2 Western Cape PS Individuals 2023 (U13 Boys) West Coast Primary Schools Grand Challenge League 2023 (Primary School) Details
Overall 2 Booysen, C (Chadlin) 2 0 2 West Coast Schools Chess Prestige 2025 (U15 Boys) Western Cape Schools Individual Championship 2025 (U15 Boys) Details
Overall 3 Adams, T (Tyler) 2 1 1 Lower West Coast Prestige 2025 (U15 Boys) West Coast Schools Chess Prestige 2025 (U15 Boys) Details
Overall 4 Sikhondo, N (Nevileen) 2 1 1 Pedro Booyse Top Schools 2023 (U13) Western Cape Top Schools 2023 (U13 Mixed) Details
Standard 1 Booysen, C (Chadlin) 2 0 2 West Coast Schools Chess Prestige 2025 (U15 Boys) Western Cape Schools Individual Championship 2025 (U15 Boys) Details
Standard 2 Sikhondo, N (Nevileen) 2 1 1 Pedro Booyse Top Schools 2023 (U13) Western Cape Top Schools 2023 (U13 Mixed) Details