Chess South Africa Ratings Database

PLAYER PAGE

Personal

Otto, X (Xavier)

Chess SA id

1150150067

FIDE id

Date of birth

2015-12-07 (U12)

Gender

Male

Region

Overberg (WOS)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-03-08

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

926

Item	Main	Standard	Rapid	Blitz
Rating	1143.2	1139.9	1191.7	1200
Raw rating	1143.2	1139.9	1191.7	1200
Weighted rating	1138.9	1134.6	1191.7	1200
Weighted performance	876.5	794.2	999.7	0
Floor	703.9	702	709.2	700
K-factor	36	36	36	36
Min/Max rating change allowed	179.8	180.6	167.8	165.8
Highest rating	1203.9 2024-03-01	1205.1 2023-08-01	1209.2 2024-03-01	1200 2018-10-01
Highest raw rating	1203.9 2024-03-01	1202 2024-03-01	1209.2 2024-03-01	1200 2024-03-01
Highest weighted rating	1203.9 2018-10-01	1202 2018-10-01	1209.2 2018-10-01	1200 2018-10-01
Highest weighted performance	1200 2019-12-01	1205.1 2023-08-01	1200 2019-12-01	1200 2024-03-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1143.2	1139.9	1191.7	1200
Analysis
Rating	1143.2	1139.9	1191.7	1200
Raw rating	1143.2	1139.9	1191.7	1200
Weighted rating	1138.9	1134.6	1191.7
Weighted performance	876.5	794.2	999.7
K-factor	36	36	36	36
Floor	703.9	702	709.2	700
Max/Min rating change allowed	179.8	180.6	167.8	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	1143.2	1139.9	1191.7	1200
New weighted rating	1138.4	1134.1	1191.6	1200
New weighted performance	876.2	793.9	999.3	0
Temp new rating	1143.2	1139.9	1191.7	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1143.2	1139.9	1191.7	1200
New K-factor	36	36	36	36
New floor	703.9	702	709.2	700

Item	Main	Standard	Rapid
	0	0	0
	16	4	12
	25	15	10
	21	10	11
	0	0	0
	0	0	0
History	62	29	33

Games since
	Main 41	Standard 19		Rapid 22		Blitz 0
Gender	Male
Age group	U12
Region	Overberg (WOS)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	4271		1434		146
Male	3165		982		85
U12	737		267		32
U12 Male	500		167		18
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	1679		851		127
Male	1281		629		81
U12	316		172		28
U12 Male	209		111		16
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 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	16	5	31.25	-159.4	1212.7	1053.3
Standard	4	0	0	-425	1214.5	789.5
Rapid	12	5	41.67	-70.8	1212	1141.2
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	62	23.5	37.9	-102.8	1207	1104.2
Standard	29	8.5	29.31	-175.9	1204.4	1028.5
Rapid	33	15	45.45	-38.6	1209.3	1170.7
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1143.2	1139.9	1191.7	1200
2025-09-01	1143.2	1139.9	1191.7	1200
2025-08-01	1143.2	1139.9	1191.7	1200
2025-07-01	1143.2	1139.9	1191.7	1200
2025-06-01	1143.2	1139.9	1191.7	1200
2025-05-01	1143.2	1139.9	1191.6	1200
2025-04-01	1141	1137.2	1191.4	1200
2025-03-01	1145.9	1143.3	1189.4	1200
2025-02-01	1143.5	1140.2	1191.6	1200
2025-01-01	1095	1080.3	1190.8	1200
2024-12-01	1095	1080.3	1190.8	1200
2024-11-01	1095	1080.3	1190.8	1200
2024-10-01	1095	1080.3	1190.8	1200
2024-09-01	1146.7	1146.9	1190.8	1200
2024-08-01	1146.7	1146.9	1190.8	1200
2024-07-01	1155.7	1158.1	1190.8	1200
2024-06-01	1155.7	1158.1	1190.8	1200
2024-08-01	1155.7	1158.1	1190.8	1200
2024-04-01	1155.7	1158.1	1190.8	1200
2024-03-01	1203.9	1202	1209.2	1200
2024-02-01	1203.9	1202	1209.2	1200
2024-01-01	1192.8	1202	1187.6	1200
2023-12-01	1192.8	1202	1187.6	1200
2023-11-01	1192.8	1202	1187.6	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	Overberg Schools - PS Closed 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	4	0	Yes	Analysis
2	Overberg Schools - PS Trials (Region 1) 2025 (U11 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
3	Overberg Schools & Federation Open 2025 (U11)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Overberg Schools - PS Closed 2025 (U11 Boys)	2025-03-08	2025-03-08	Standard	Overberg (WOS)	5	4	0	Yes	Analysis
2	Overberg Schools - PS Trials (Region 1) 2025 (U11 Boys)	2025-02-22	2025-02-22	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
3	Overberg Schools & Federation Open 2025 (U11)	2025-02-01	2025-02-01	Rapid	Overberg (WOS)	6	6	2	Yes	Analysis
4	Western Cape Top Schools Championship 2024 (U9 Mixed)	2024-08-30	2024-09-01	Standard	Eden (WEG)	6	5	0	Yes	Analysis
5	Overberg Schools - Top Schools 2024 (U7+U9 Mixed)	2024-07-27	2024-07-27	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
6	Overberg Schools - PS Closed 2024 (U9 Boys)	2024-03-16	2024-03-16	Standard	Overberg (WOS)	5	5	1.5	Yes	Analysis
7	Overberg Schools - PS Trials Region 3 2024 (U9 Boys)	2024-03-02	2024-03-02	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis
8	Overberg Open Rapid 2024 (U7+U9)	2024-01-27	2024-01-27	Rapid	Overberg (WOS)	5	5	3	Yes	Analysis
9	Overberg Top Schools 2023 (U7+U9)	2023-08-05	2023-08-05	Standard	Overberg (WOS)	5	5	3	Yes	Analysis
10	Overberg School Chess Closed Tournament 2023 (U9 Boys)	2023-03-25	2023-03-25	Standard	Overberg (WOS)	5	5	2	Yes	Analysis
11	Overberg Primary School Trials (Region 2)	2023-02-24	2023-03-10	Rapid	Overberg (WOS)	6	6	3	Yes	Analysis
12	Overberg Schools Open Tournament 2023 (U8)	2023-02-11	2023-02-11	Rapid	Overberg (WOS)	5	5	2	Yes	Analysis

#	Games	Start				End
1	4	Tournament Overberg Open Rapid 2024				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2024-01-27	rnd 4	type Rapid	result 1	date 2024-03-02	rnd 2	type Rapid	result 0.5
		Opponent Coetzer, R (Rossouw)				Opponent Zvinongoza, K (Kai)
2	3	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools & Federation Open 2025
		date 2025-02-01	rnd 3	type Rapid	result 0.5	date 2025-02-01	rnd 5	type Rapid	result 1
		Opponent Swart, K (Keagan)				Opponent Deverson, P (Paighton)
3	3	Tournament Overberg Primary School Trials				Tournament Overberg Primary School Trials
		date 2023-02-24	rnd 3	type Rapid	result 1	date 2023-03-10	rnd 5	type Rapid	result 1
		Opponent Nel, C (Caleb)				Opponent Whitehouse, B (Bramwell)

#	Games	Start				End
1	3	Tournament Overberg Top Schools 2023				Tournament Overberg Schools - PS Closed 2024
		date 2023-08-05	rnd 4	type Standard	result 1	date 2024-03-16	rnd 1	type Standard	result 0.5
		Opponent Bertrand, A (Amy Sophia)				Opponent Rock, A (Albert)
2	2	Tournament Overberg School Chess Closed Tournament 2023				Tournament Overberg Top Schools 2023
		date 2023-03-25	rnd 5	type Standard	result 1	date 2023-08-05	rnd 1	type Standard	result 1
		Opponent Van Den Berg, D (Daniel)				Opponent Ndoko, O (Oyama)
3	1	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-07-27	rnd 5	type Standard	result 1	date 2024-07-27	rnd 5	type Standard	result 1
		Opponent Barnard, H (Hendrik)				Opponent Barnard, H (Hendrik)

#	Games	Start				End
1	4	Tournament Overberg Open Rapid 2024				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2024-01-27	rnd 4	type Rapid	result 1	date 2024-03-02	rnd 2	type Rapid	result 0.5
		Opponent Coetzer, R (Rossouw)				Opponent Zvinongoza, K (Kai)
2	3	Tournament Overberg Schools & Federation Open 2025				Tournament Overberg Schools & Federation Open 2025
		date 2025-02-01	rnd 3	type Rapid	result 0.5	date 2025-02-01	rnd 5	type Rapid	result 1
		Opponent Swart, K (Keagan)				Opponent Deverson, P (Paighton)
3	3	Tournament Overberg Primary School Trials				Tournament Overberg Primary School Trials
		date 2023-02-24	rnd 3	type Rapid	result 1	date 2023-03-10	rnd 5	type Rapid	result 1
		Opponent Nel, C (Caleb)				Opponent Whitehouse, B (Bramwell)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Overberg Open Rapid 2024				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2024-01-27	rnd 4	type Rapid	result 1	date 2024-03-02	rnd 1	type Rapid	result 1
		Opponent Coetzer, R (Rossouw)				Opponent Nel, L (Liam)
2	3	Tournament Overberg Primary School Trials				Tournament Overberg Primary School Trials
		date 2023-02-24	rnd 3	type Rapid	result 1	date 2023-03-10	rnd 5	type Rapid	result 1
		Opponent Nel, C (Caleb)				Opponent Whitehouse, B (Bramwell)
3	2	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Rock, A (Albert)				Opponent Oosthuizen, D (Daniel)

#	Games	Start				End
1	2	Tournament Overberg Top Schools 2023				Tournament Overberg Top Schools 2023
		date 2023-08-05	rnd 4	type Standard	result 1	date 2023-08-05	rnd 5	type Standard	result 1
		Opponent Bertrand, A (Amy Sophia)				Opponent Sargeant, R (Rome)
2	2	Tournament Overberg School Chess Closed Tournament 2023				Tournament Overberg Top Schools 2023
		date 2023-03-25	rnd 5	type Standard	result 1	date 2023-08-05	rnd 1	type Standard	result 1
		Opponent Van Den Berg, D (Daniel)				Opponent Ndoko, O (Oyama)
3	1	Tournament Overberg Schools - Top Schools 2024				Tournament Overberg Schools - Top Schools 2024
		date 2024-07-27	rnd 5	type Standard	result 1	date 2024-07-27	rnd 5	type Standard	result 1
		Opponent Barnard, H (Hendrik)				Opponent Barnard, H (Hendrik)

#	Games	Start				End
1	3	Tournament Overberg Open Rapid 2024				Tournament Overberg Schools - PS Trials Region 3 2024
		date 2024-01-27	rnd 4	type Rapid	result 1	date 2024-03-02	rnd 1	type Rapid	result 1
		Opponent Coetzer, R (Rossouw)				Opponent Nel, L (Liam)
2	3	Tournament Overberg Primary School Trials				Tournament Overberg Primary School Trials
		date 2023-02-24	rnd 3	type Rapid	result 1	date 2023-03-10	rnd 5	type Rapid	result 1
		Opponent Nel, C (Caleb)				Opponent Whitehouse, B (Bramwell)
3	2	Tournament Overberg Schools - PS Trials (Region 1) 2025				Tournament Overberg Schools - PS Trials (Region 1) 2025
		date 2025-02-22	rnd 2	type Rapid	result 1	date 2025-02-22	rnd 3	type Rapid	result 1
		Opponent Rock, A (Albert)				Opponent Oosthuizen, D (Daniel)

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	Buhr ,W (Wilhelm)	3	0	-425	0	0	0	3	0	-425	0	0	0
1	Buhr ,W (Wilhelm)	3	1201.7	776.7	0	0	0	3	1200.5	776.7	0	0	0
2	Fourie ,D (David)	2	0	-425	2	0	-425	0	0	0	0	0	0
2	Fourie ,D (David)	2	1280.6	855.6	2	1269.2	855.6	0	0	0	0	0	0
3	Sargeant ,R (Rome)	2	1	0	2	1	0	0	0	0	0	0	0
3	Sargeant ,R (Rome)	2	1194.6	1194.6	2	1206.8	1194.6	0	0	0	0	0	0
4	De Bruyn ,N (Nico)	2	0	-425	1	0	-425	1	0	-425	0	0	0
4	De Bruyn ,N (Nico)	2	1187.6	762.6	1	1185.6	762.6	1	1200	762.6	0	0	0
5	Grieb ,N (Nathan)	2	0	-425	1	0	-425	1	0	-425	0	0	0
5	Grieb ,N (Nathan)	2	1191.1	766.1	1	1161.2	766.1	1	1200	766.1	0	0	0
6	Rock ,A (Albert)	2	1.5	212.5	1	0.5	0	1	1	425	0	0	0
6	Rock ,A (Albert)	2	1147	1359.5	1	1164.7	1147	1	1124	1572	0	0	0
7	Starke ,J (Joshua)	2	0	-425	1	0	-425	1	0	-425	0	0	0
7	Starke ,J (Joshua)	2	1235.9	810.9	1	1200	810.9	1	1200	810.9	0	0	0
8	Oosthuizen ,D (Daniel)	2	1.5	212.5	0	0	0	2	1.5	212.5	0	0	0
8	Oosthuizen ,D (Daniel)	2	1203.2	1415.8	0	0	0	2	1198.4	1415.8	0	0	0
9	Bester ,S (Sebastian)	2	0	-425	0	0	0	2	0	-425	0	0	0
9	Bester ,S (Sebastian)	2	1325.5	900.5	0	0	0	2	1352.5	900.5	0	0	0
10	Ngxovu ,A (Akhanyile)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Ngxovu ,A (Akhanyile)	1	1143.4	718.4	1	1167.3	718.4	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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PLAYER PAGE

Personal

Otto, X (Xavier)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms