Chess South Africa Ratings Database

PLAYER PAGE

Personal

Bijker, X (Xander)

Chess SA id

1120151790

FIDE id

Date of birth

2012-12-18 (U14)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Yes

Last active game

2025-08-10

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1258.1

Item	Main	Standard	Rapid	Blitz
Rating	1311.5	1311.2	1187.5	1200
Raw rating	1311.5	1311.2	1187.5	1200
Weighted rating	1244.4	1245	1186.3	1200
Weighted performance	1286.7	1283.6	0	0
Floor	813.6	814	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	141.5	141.5	168.8	165.8
Highest rating	1323.9 2024-01-01	1322.8 2024-01-01	1200 2018-10-01	1200 2018-10-01
Highest raw rating	1313.6 2025-08-01	1314 2025-08-01	1200 2019-12-01	1200 2024-03-01
Highest weighted rating	1305.2 2018-10-01	1305.7 2018-10-01	1200 2018-10-01	1200 2018-10-01
Highest weighted performance	1323.9 2024-01-01	1322.8 2024-01-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1311.5	1311.2	1187.5	1200
Analysis
Rating	1311.5	1311.2	1187.5	1200
Raw rating	1311.5	1311.2	1187.5	1200
Weighted rating	1244.4	1245	1186.3
Weighted performance	1286.7	1283.6	0
K-factor	36	36	36	36
Floor	813.6	814	700	700
Max/Min rating change allowed	141.5	141.5	168.8	165.8
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1311.5	1311.2	1187.5	1200
New weighted rating	1251.2	1251.5	1186.3	1200
New weighted performance	1286.2	1283.2	0	0
Temp new rating	1311.5	1311.2	1187.5	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1311.5	1311.2	1187.5	1200
New K-factor	36	36	36	36
New floor	813.6	814	700	700

Item	Main	Standard	Rapid
	0	0	0
	44	44	0
	40	35	5
	15	15	0
	0	0	0
	0	0	0
History	99	94	5

Games since
	Main 84	Standard 79		Rapid 5		Blitz 0
Gender	Male
Age group	U14
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	3067		1026		296
Male	2427		811		242
U14	567		177		46
U14 Male	416		132		34
Standard
	RSA		Province		Region
Overall	2953		1059		289
Male	2331		841		237
U14	551		181		45
U14 Male	394		133		33
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	44	23.5	53.41	29	1272.2	1301.1
Standard	44	23.5	53.41	29	1272.2	1301.1
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	99	48	48.48	-12.9	1247.2	1234.4
Standard	94	46	48.94	-9	1249.1	1240.1
Rapid	5	2	40	-85	1211.8	1126.8
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1311.5	1311.2	1187.5	1200
2025-09-01	1311.5	1311.2	1187.5	1200
2025-08-01	1313.6	1314	1187.5	1200
2025-07-01	1305	1305.3	1187.5	1200
2025-06-01	1305.2	1305.7	1187.5	1200
2025-05-01	1242.4	1247.8	1187.5	1200
2025-04-01	1242.4	1247.8	1187.5	1200
2025-03-01	1197.6	1198.5	1187.5	1200
2025-02-01	1195	1195.5	1187.5	1200
2025-01-01	1171.7	1166.3	1183.1	1200
2024-12-01	1211.3	1208.4	1183.1	1200
2024-11-01	1211.3	1208.4	1183.1	1200
2024-10-01	1211.3	1208.4	1183.1	1200
2024-09-01	1211.3	1208.4	1183.1	1200
2024-08-01	1179.8	1176	1183.1	1200
2024-07-01	1179.8	1176	1183.1	1200
2024-06-01	1169.9	1163.4	1183.1	1200
2024-08-01	1190.2	1191.1	1183.1	1200
2024-04-01	1190.2	1191.1	1183.1	1200
2024-03-01	1241.6	1275.3	1183.1	1200
2024-02-01	1259.2	1275.3	1200	1200
2024-01-01	1200.6	1208	1200	1200
2023-12-01	1200.6	1208	1200	1200
2023-11-01	1200.6	1208	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JMC Closed 2025 (U14)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
2	MCA Winter Chill Classic 2025 (Intermediate)	2025-07-19	2025-07-19	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
3	South African Open 2025 (U14 Open)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	JMC Helpmekaar 2025 (D)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
5	Mzansi Africa Classic 2025 (Junior)	2025-05-17	2025-05-17	Standard	Johannesburg Metro (GJM)	5	4	3	Yes	Analysis
6	2nd Knight Riders Junior Open 2025 (C)	2025-03-23	2025-03-23	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
7	JMC Crawford Ruimsig 2025 (D)	2025-03-01	2025-03-01	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
8	MCA Welcome 2025 (Junior)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
9	JMC Kick Off 2025 (D)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	JMC Closed 2025 (U14)	2025-08-09	2025-08-10	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
2	MCA Winter Chill Classic 2025 (Intermediate)	2025-07-19	2025-07-19	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
3	South African Open 2025 (U14 Open)	2025-07-03	2025-07-05	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
4	JMC Helpmekaar 2025 (D)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
5	Mzansi Africa Classic 2025 (Junior)	2025-05-17	2025-05-17	Standard	Johannesburg Metro (GJM)	5	4	3	Yes	Analysis
6	2nd Knight Riders Junior Open 2025 (C)	2025-03-23	2025-03-23	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
7	JMC Crawford Ruimsig 2025 (D)	2025-03-01	2025-03-01	Standard	Johannesburg Metro (GJM)	5	5	4	Yes	Analysis
8	MCA Welcome 2025 (Junior)	2025-02-15	2025-02-15	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
9	JMC Kick Off 2025 (D)	2025-02-02	2025-02-02	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
10	Gauteng Inter-Region at UJ 2024 (U14 Candidates)	2024-12-07	2024-12-08	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
11	JMC Closed 2024 (D)	2024-08-09	2024-08-11	Standard	Johannesburg Metro (GJM)	5	5	3	Yes	Analysis
12	JMC Trinityhouse Little Falls 2024 (D)	2024-06-02	2024-06-02	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
13	JMC Helpmekaar Kollege Tournament 2024 (D)	2024-05-04	2024-05-04	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
14	1st Knights Open Tournament 2024 (C)	2024-03-23	2024-03-23	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis
15	JMC Unika School Tournament 2024 (D)	2024-03-02	2024-03-02	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
16	Gear Up Mzansi Rapid 2024 (Junior)	2024-02-17	2024-02-17	Rapid	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
17	JMC Kick Off Tournament 2024 (D)	2024-01-28	2024-01-28	Standard	Johannesburg Metro (GJM)	5	5	3.5	Yes	Analysis
18	2023 Gauteng Top Schools (U11 Mixed)	2023-08-18	2023-08-18	Standard	West Rand (GWR)	5	5	4	Yes	Analysis
19	Knight Riders Youth Day 2023 (U12)	2023-06-16	2023-06-16	Standard	Johannesburg Metro (GJM)	5	5	2	Yes	Analysis
20	JNW Open - Crawford 2023 (C)	2023-03-04	2023-03-04	Standard	Johannesburg Metro (GJM)	5	5	1	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2023 Gauteng Top Schools				Tournament JMC Kick Off Tournament 2024
		date 2023-08-18	rnd 3	type Standard	result 1	date 2024-01-28	rnd 2	type Standard	result 1
		Opponent Naude, C (Cara)				Opponent Maritz, L (Luke)
2	4	Tournament JMC Crawford Ruimsig 2025				Tournament JMC Crawford Ruimsig 2025
		date 2025-03-01	rnd 2	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Chauke, N (Nosipho)				Opponent Chadalavada, B (Bhaarghavarama)
3	4	Tournament JMC Kick Off Tournament 2024				Tournament Gear Up Mzansi Rapid 2024
		date 2024-01-28	rnd 4	type Standard	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent Pillay, Y (Yishai)				Opponent Wu, O (Oscar)

#	Games	Start				End
1	5	Tournament 2023 Gauteng Top Schools				Tournament JMC Kick Off Tournament 2024
		date 2023-08-18	rnd 3	type Standard	result 1	date 2024-01-28	rnd 2	type Standard	result 1
		Opponent Naude, C (Cara)				Opponent Maritz, L (Luke)
2	4	Tournament JMC Crawford Ruimsig 2025				Tournament JMC Crawford Ruimsig 2025
		date 2025-03-01	rnd 2	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Chauke, N (Nosipho)				Opponent Chadalavada, B (Bhaarghavarama)
3	3	Tournament Mzansi Africa Classic 2025				Tournament JMC Helpmekaar 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-06-01	rnd 1	type Standard	result 1
		Opponent Zhang, H (Harry)				Opponent Joule, J (Jessica)

#	Games	Start				End
1	2	Tournament Gear Up Mzansi Rapid 2024				Tournament Gear Up Mzansi Rapid 2024
		date 2024-02-17	rnd 1	type Rapid	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent Molaba, O (Oagile)				Opponent Wu, O (Oscar)

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2023 Gauteng Top Schools				Tournament JMC Kick Off Tournament 2024
		date 2023-08-18	rnd 3	type Standard	result 1	date 2024-01-28	rnd 2	type Standard	result 1
		Opponent Naude, C (Cara)				Opponent Maritz, L (Luke)
2	4	Tournament JMC Crawford Ruimsig 2025				Tournament JMC Crawford Ruimsig 2025
		date 2025-03-01	rnd 2	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Chauke, N (Nosipho)				Opponent Chadalavada, B (Bhaarghavarama)
3	3	Tournament Mzansi Africa Classic 2025				Tournament JMC Helpmekaar 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-06-01	rnd 1	type Standard	result 1
		Opponent Zhang, H (Harry)				Opponent Joule, J (Jessica)

#	Games	Start				End
1	5	Tournament 2023 Gauteng Top Schools				Tournament JMC Kick Off Tournament 2024
		date 2023-08-18	rnd 3	type Standard	result 1	date 2024-01-28	rnd 2	type Standard	result 1
		Opponent Naude, C (Cara)				Opponent Maritz, L (Luke)
2	4	Tournament JMC Crawford Ruimsig 2025				Tournament JMC Crawford Ruimsig 2025
		date 2025-03-01	rnd 2	type Standard	result 1	date 2025-03-01	rnd 5	type Standard	result 1
		Opponent Chauke, N (Nosipho)				Opponent Chadalavada, B (Bhaarghavarama)
3	3	Tournament Mzansi Africa Classic 2025				Tournament JMC Helpmekaar 2025
		date 2025-05-17	rnd 4	type Standard	result 1	date 2025-06-01	rnd 1	type Standard	result 1
		Opponent Zhang, H (Harry)				Opponent Joule, J (Jessica)

#	Games	Start				End
1	2	Tournament Gear Up Mzansi Rapid 2024				Tournament Gear Up Mzansi Rapid 2024
		date 2024-02-17	rnd 1	type Rapid	result 1	date 2024-02-17	rnd 2	type Rapid	result 1
		Opponent Molaba, O (Oagile)				Opponent Wu, O (Oscar)

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Van Der Schyff ,M (Mila-Ne)	2	1	0	2	1	0	0	0	0	0	0	0
1	Van Der Schyff ,M (Mila-Ne)	2	1262.8	1262.8	2	1246.7	1262.8	0	0	0	0	0	0
2	Lochner ,C (Christiaan)	2	2	425	2	2	425	0	0	0	0	0	0
2	Lochner ,C (Christiaan)	2	1146.1	1571.1	2	1131.2	1571.1	0	0	0	0	0	0
3	Westoby ,A (Adam)	2	0	-425	2	0	-425	0	0	0	0	0	0
3	Westoby ,A (Adam)	2	1391.8	966.8	2	1399.5	966.8	0	0	0	0	0	0
4	Kwint ,J (Jack)	2	0.5	-212.5	1	0.5	0	1	0	-425	0	0	0
4	Kwint ,J (Jack)	2	1326.5	1114	1	1359.3	1326.5	1	1200	901.5	0	0	0
5	Kruger ,B (Brenden)	1	1	425	1	1	425	0	0	0	0	0	0
5	Kruger ,B (Brenden)	1	1128.3	1553.3	1	1129.7	1553.3	0	0	0	0	0	0
6	Buthelezi ,Z (Zanokuhle)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Buthelezi ,Z (Zanokuhle)	1	1287.4	862.4	1	1279.8	862.4	0	0	0	0	0	0
7	Chikwava ,R (Ronald)	1	1	425	1	1	425	0	0	0	0	0	0
7	Chikwava ,R (Ronald)	1	967.7	1392.7	1	929.6	1392.7	0	0	0	0	0	0
8	Miao ,R (Ruichen)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Miao ,R (Ruichen)	1	1206.8	781.8	1	1161.6	781.8	0	0	0	0	0	0
9	Block ,R (Raphi)	1	1	425	1	1	425	0	0	0	0	0	0
9	Block ,R (Raphi)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Gupta ,A (Aryansh)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Gupta ,A (Aryansh)	1	1223.6	798.6	1	1217.8	798.6	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Bijker, X (Xander)

Ratings

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Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms