Chess South Africa Ratings Database

PLAYER PAGE

Personal

Oortman, C (Christiano)

Chess SA id

1110316772

FIDE id

Date of birth

2011-05-10 (U16)

Gender

Male

Region

West Coast (WCU)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-23

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

1284.6

Item	Main	Standard	Rapid	Blitz
Rating	1318.1	1286.1	1292.9	1200
Raw rating	1318.1	1286.1	1292.9	1200
Weighted rating	1258.7	1240.8	1242.3	1200
Weighted performance	1278.9	0	0	0
Floor	827.4	786.1	801.8	700
K-factor	36	36	36	36
Min/Max rating change allowed	140.1	146.7	145.3	165.8
Highest rating	1327.4 2025-08-01	1286.1 2025-05-05	1301.8 2025-08-01	1200 2025-03-01
Highest raw rating	1327.4 2025-08-01	1286.1 2025-05-05	1301.8 2025-08-01	1200 2025-03-01
Highest weighted rating	1251.6 2025-09-01	1230 2025-08-01	1236.5 2025-09-01	1200 2025-03-01
Highest weighted performance	1292.2 2025-09-01	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1318.1	1286.1	1292.9	1200
Analysis
Rating	1318.1	1286.1	1292.9	1200
Raw rating	1318.1	1286.1	1292.9	1200
Weighted rating	1258.7	1240.8	1242.3
Weighted performance	1278.9	0	0
K-factor	36	36	36	36
Floor	827.4	786.1	801.8	700
Max/Min rating change allowed	140.1	146.7	145.3	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	1318.1	1286.1	1292.9	1200
New weighted rating	1265.3	1245.8	1247.7	1200
New weighted performance	1278.4	0	0	0
Temp new rating	1318.1	1286.1	1292.9	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1318.1	1286.1	1292.9	1200
New K-factor	36	36	36	36
New floor	827.4	786.1	801.8	700

Item	Main	Standard	Rapid
	0	0	0
	28	12	16
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	28	12	16

Games since
	Main 28	Standard 12		Rapid 16		Blitz 0
Gender	Male
Age group	U16
Region	West Coast (WCU)
Province	Western Cape (WC)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U16	-1		-1		-1
U16 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	28	16	57.14	60.7	1348.7	1409.4
Standard	12	7	58.33	70.8	1374.9	1445.7
Rapid	16	9	56.25	53.1	1329	1382.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	28	16	57.14	60.7	1348.7	1409.4
Standard	12	7	58.33	70.8	1374.9	1445.7
Rapid	16	9	56.25	53.1	1329	1382.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1318.1	1286.1	1292.9	1200
2025-09-01	1318.1	1286.1	1292.9	1200
2025-08-01	1327.4	1286.1	1301.8	1200
2025-07-01	1314	1286.1	1263.9	1200
2025-06-01	1314	1286.1	1263.9	1200
2025-05-01	1314	1286.1	1263.9	1200
2025-04-01	1296.3	1263	1263.9	1200
2025-03-01	1239.5	1200	1263.9	1200
2025-02-01	1200	1200	1200	1200
2025-01-01	1200	1200	1200	1200
2024-12-01	1200	1200	1200	1200
2024-11-01	1200	1200	1200	1200
2024-10-01	1200	1200	1200	1200
2024-09-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	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	Pedro Booyse Top Schools 2025 (U15)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	6	6	2	Yes	Analysis
2	Upper West Coast Top Schools 2025 (U15)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U15 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis
4	West Coast Schools Chess Prestige 2025 (U15 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	6	4.5	Yes	Analysis
5	Upper West Coast Presrige 2025 (U15 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	Pedro Booyse Top Schools 2025 (U15)	2025-08-23	2025-08-23	Rapid	West Coast (WCU)	6	6	2	Yes	Analysis
2	Upper West Coast Top Schools 2025 (U15)	2025-06-14	2025-06-14	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis
3	Western Cape Schools Individual Championship 2025 (U15 Boys)	2025-04-26	2025-04-27	Standard	West Coast (WCU)	6	6	2.5	Yes	Analysis
4	West Coast Schools Chess Prestige 2025 (U15 Boys)	2025-03-08	2025-03-08	Standard	West Coast (WCU)	6	6	4.5	Yes	Analysis
5	Upper West Coast Presrige 2025 (U15 Boys)	2025-02-22	2025-02-22	Rapid	West Coast (WCU)	5	5	3.5	Yes	Analysis

#	Games	Start				End
1	5	Tournament Upper West Coast Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-06-14	rnd 2	type Rapid	result 0.5	date 2025-08-23	rnd 1	type Rapid	result 1
		Opponent Booysen, C (Chadlin)				Opponent Swarts, Y (Yardley)
2	4	Tournament West Coast Schools Chess Prestige 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-08	rnd 4	type Standard	result 0.5	date 2025-04-26	rnd 1	type Standard	result 0.5
		Opponent Adams, T (Tyler)				Opponent Gaffoor, E (Eesa)
3	4	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Owies, A (Ashwin)				Opponent Van Der Westhuizen, X (Xino)

#	Games	Start				End
1	4	Tournament West Coast Schools Chess Prestige 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-03-08	rnd 4	type Standard	result 0.5	date 2025-04-26	rnd 1	type Standard	result 0.5
		Opponent Adams, T (Tyler)				Opponent Gaffoor, E (Eesa)
2	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Swarts, Y (Yardley)				Opponent Stoffberg, M (Mikaeel)
3	1	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-04-27	rnd 6	type Standard	result 1	date 2025-04-27	rnd 6	type Standard	result 1
		Opponent Moos, M (Miandro)				Opponent Moos, M (Miandro)

#	Games	Start				End
1	5	Tournament Upper West Coast Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-06-14	rnd 2	type Rapid	result 0.5	date 2025-08-23	rnd 1	type Rapid	result 1
		Opponent Booysen, C (Chadlin)				Opponent Swarts, Y (Yardley)
2	4	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 4	type Rapid	result 1
		Opponent Owies, A (Ashwin)				Opponent Van Der Westhuizen, X (Xino)
3	1	Tournament Pedro Booyse Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-08-23	rnd 3	type Rapid	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Arendse, Q (Quinwinne)				Opponent Arendse, Q (Quinwinne)

No games found.

#	Games	Start				End

#	Games	Start				End
1	4	Tournament Upper West Coast Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-06-14	rnd 3	type Rapid	result 1	date 2025-08-23	rnd 1	type Rapid	result 1
		Opponent Leonard, S (Shernol)				Opponent Swarts, Y (Yardley)
2	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 6	type Standard	result 1
		Opponent Van Der Westhuizen, X (Xino)				Opponent Meyer, D (Dewanio)
3	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Swarts, Y (Yardley)				Opponent Stoffberg, M (Mikaeel)

#	Games	Start				End
1	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 5	type Standard	result 1	date 2025-03-08	rnd 6	type Standard	result 1
		Opponent Van Der Westhuizen, X (Xino)				Opponent Meyer, D (Dewanio)
2	2	Tournament West Coast Schools Chess Prestige 2025				Tournament West Coast Schools Chess Prestige 2025
		date 2025-03-08	rnd 1	type Standard	result 1	date 2025-03-08	rnd 2	type Standard	result 1
		Opponent Swarts, Y (Yardley)				Opponent Stoffberg, M (Mikaeel)
3	1	Tournament Western Cape Schools Individual Championship 2025				Tournament Western Cape Schools Individual Championship 2025
		date 2025-04-27	rnd 6	type Standard	result 1	date 2025-04-27	rnd 6	type Standard	result 1
		Opponent Moos, M (Miandro)				Opponent Moos, M (Miandro)

#	Games	Start				End
1	4	Tournament Upper West Coast Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-06-14	rnd 3	type Rapid	result 1	date 2025-08-23	rnd 1	type Rapid	result 1
		Opponent Leonard, S (Shernol)				Opponent Swarts, Y (Yardley)
2	2	Tournament Upper West Coast Presrige 2025				Tournament Upper West Coast Presrige 2025
		date 2025-02-22	rnd 1	type Rapid	result 1	date 2025-02-22	rnd 2	type Rapid	result 1
		Opponent Owies, A (Ashwin)				Opponent Tieties, A (Aidlin)
3	1	Tournament Pedro Booyse Top Schools 2025				Tournament Pedro Booyse Top Schools 2025
		date 2025-08-23	rnd 3	type Rapid	result 1	date 2025-08-23	rnd 3	type Rapid	result 1
		Opponent Arendse, Q (Quinwinne)				Opponent Arendse, Q (Quinwinne)

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	Booysen ,C (Chadlin)	4	0.5	-318.8	1	0	-425	3	0.5	-283.3	0	0	0
1	Booysen ,C (Chadlin)	4	1451.4	1132.7	1	1381.5	1026.4	3	1512.3	1168.1	0	0	0
2	Swarts ,Y (Yardley)	3	2	141.7	1	1	425	2	1	0	0	0	0
2	Swarts ,Y (Yardley)	3	1291.6	1433.2	1	1200	1716.6	2	1280.1	1291.6	0	0	0
3	Tieties ,B (Beauton)	2	0	-425	1	0	-425	1	0	-425	0	0	0
3	Tieties ,B (Beauton)	2	1625.8	1200.8	1	1619.4	1200.8	1	1525.4	1200.8	0	0	0
4	Van Der Westhuizen ,X (Xino)	2	2	425	1	1	425	1	1	425	0	0	0
4	Van Der Westhuizen ,X (Xino)	2	1186.3	1611.3	1	1129.4	1611.3	1	1261.2	1611.3	0	0	0
5	Arendse ,Q (Quinwinne)	2	1	0	0	0	0	2	1	0	0	0	0
5	Arendse ,Q (Quinwinne)	2	1450.6	1450.6	0	0	0	2	1432.7	1450.6	0	0	0
6	Stoffberg ,M (Mikaeel)	1	1	425	1	1	425	0	0	0	0	0	0
6	Stoffberg ,M (Mikaeel)	1	1348.1	1773.1	1	1282.3	1773.1	0	0	0	0	0	0
7	Moos ,M (Miandro)	1	1	425	1	1	425	0	0	0	0	0	0
7	Moos ,M (Miandro)	1	1127.5	1552.5	1	1116.3	1552.5	0	0	0	0	0	0
8	Meyer ,D (Dewanio)	1	1	425	1	1	425	0	0	0	0	0	0
8	Meyer ,D (Dewanio)	1	1402.9	1827.9	1	1351.6	1827.9	0	0	0	0	0	0
9	Gaffoor ,E (Eesa)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
9	Gaffoor ,E (Eesa)	1	1476.6	1476.6	1	1423.7	1476.6	0	0	0	0	0	0
10	Craig ,M (Max)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Craig ,M (Max)	1	1419.3	994.3	1	1391.5	994.3	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

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Personal

Oortman, C (Christiano)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms