Chess South Africa Ratings Database

PLAYER PAGE

Personal

Crofford, R (Ryan)

Chess SA id

1150308917

FIDE id

Date of birth

2015-12-26 (U12)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-15

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1202.6	1203.5	1200	1200
Raw rating	1202.6	1203.5	1200	1200
Weighted rating	1185.3	1182.2	1200	1200
Weighted performance	0	0	0	0
Floor	702.6	703.5	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	165.2	165	165.8	165.8
Highest rating	1202.6 2025-09-01	1203.5 2025-09-01	1200 2024-08-01	1200 2024-08-01
Highest raw rating	1202.6 2025-09-01	1203.5 2025-09-01	1200 2024-08-01	1200 2024-08-01
Highest weighted rating	1200 2024-08-01	1200 2024-08-01	1200 2024-08-01	1200 2024-08-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-08-01	1200 2024-08-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1202.6	1203.5	1200	1200
Analysis
Rating	1202.6	1203.5	1200	1200
Raw rating	1202.6	1203.5	1200	1200
Weighted rating	1185.3	1182.2	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	702.6	703.5	700	700
Max/Min rating change allowed	165.2	165	165.8	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	1202.6	1203.5	1200	1200
New weighted rating	1186.5	1183.6	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1202.6	1203.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1202.6	1203.5	1200	1200
New K-factor	36	36	36	36
New floor	702.6	703.5	700	700

Item	Main	Standard
	0	0
	5	5
	5	5
	0	0
	0	0
	0	0
History	10	10

Games since
	Main 10	Standard 10		Rapid 0		Blitz 0
Gender	Male
Age group	U12
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
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	-1		-1		-1
Male	-1		-1		-1
U12	-1		-1		-1
U12 Male	-1		-1		-1
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	5	3	60	85	1194.5	1279.5
Standard	5	3	60	85	1194.5	1279.5
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	10	4	40	-85	1230.6	1145.6
Standard	10	4	40	-85	1230.6	1145.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1202.6	1203.5	1200	1200
2025-09-01	1202.6	1203.5	1200	1200
2025-08-01	1184.7	1181.4	1200	1200
2025-07-01	1184.7	1181.4	1200	1200
2025-06-01	1184.7	1181.4	1200	1200
2025-05-01	1184.7	1181.4	1200	1200
2025-04-01	1184.7	1181.4	1200	1200
2025-03-01	1184.7	1181.4	1200	1200
2025-02-01	1183.6	1180	1200	1200
2025-01-01	1161.8	1153.6	1200	1200
2024-12-01	1161.8	1153.6	1200	1200
2024-11-01	1161.8	1153.6	1200	1200
2024-10-01	1161.8	1153.6	1200	1200
2024-09-01	1161.8	1153.6	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	2025 Tshwane South School District CLOSED League Championship (U11B)	2025-08-15	2025-08-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane South School District CLOSED League Championship (U11B)	2025-08-15	2025-08-15	Standard	Tshwane (GTP)	5	5	3	Yes	Analysis
2	D4 Tshwane South District Schools Teams Chess Tournament 2024 (U9A)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	5	1	Yes	Analysis

#	Games	Start				End
1	2	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 3	type Standard	result 1	date 2025-08-15	rnd 4	type Standard	result 1
		Opponent De Wet, R (Ryan)				Opponent Swartz, Z (Zachary)
2	1	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 1	type Standard	result 1	date 2025-08-15	rnd 1	type Standard	result 1
		Opponent Wink, T (Theodor)				Opponent Wink, T (Theodor)
3	1	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 2	type Standard	result 1	date 2024-08-03	rnd 2	type Standard	result 1
		Opponent Van Tonder, L (Levhan)				Opponent Van Tonder, L (Levhan)

#	Games	Start				End
1	2	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 3	type Standard	result 1	date 2025-08-15	rnd 4	type Standard	result 1
		Opponent De Wet, R (Ryan)				Opponent Swartz, Z (Zachary)
2	1	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 1	type Standard	result 1	date 2025-08-15	rnd 1	type Standard	result 1
		Opponent Wink, T (Theodor)				Opponent Wink, T (Theodor)
3	1	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 2	type Standard	result 1	date 2024-08-03	rnd 2	type Standard	result 1
		Opponent Van Tonder, L (Levhan)				Opponent Van Tonder, L (Levhan)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	2	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 3	type Standard	result 1	date 2025-08-15	rnd 4	type Standard	result 1
		Opponent De Wet, R (Ryan)				Opponent Swartz, Z (Zachary)
2	1	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 1	type Standard	result 1	date 2025-08-15	rnd 1	type Standard	result 1
		Opponent Wink, T (Theodor)				Opponent Wink, T (Theodor)
3	1	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 2	type Standard	result 1	date 2024-08-03	rnd 2	type Standard	result 1
		Opponent Van Tonder, L (Levhan)				Opponent Van Tonder, L (Levhan)

#	Games	Start				End
1	2	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 3	type Standard	result 1	date 2025-08-15	rnd 4	type Standard	result 1
		Opponent De Wet, R (Ryan)				Opponent Swartz, Z (Zachary)
2	1	Tournament 2025 Tshwane South School District CLOSED League Championship				Tournament 2025 Tshwane South School District CLOSED League Championship
		date 2025-08-15	rnd 1	type Standard	result 1	date 2025-08-15	rnd 1	type Standard	result 1
		Opponent Wink, T (Theodor)				Opponent Wink, T (Theodor)
3	1	Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024				Tournament D4 Tshwane South District Schools Teams Chess Tournament 2024
		date 2024-08-03	rnd 2	type Standard	result 1	date 2024-08-03	rnd 2	type Standard	result 1
		Opponent Van Tonder, L (Levhan)				Opponent Van Tonder, L (Levhan)

No games found.

#	Games	Start				End

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	Wink ,T (Theodor)	1	1	425	1	1	425	0	0	0	0	0	0
1	Wink ,T (Theodor)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
2	De Wet ,R (Ryan)	1	1	425	1	1	425	0	0	0	0	0	0
2	De Wet ,R (Ryan)	1	1199.7	1624.7	1	1199.6	1624.7	0	0	0	0	0	0
3	Erdogan ,D (Demir)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Erdogan ,D (Demir)	1	1266.9	841.9	1	1267.2	841.9	0	0	0	0	0	0
4	Van Tonder ,L (Levhan)	1	1	425	1	1	425	0	0	0	0	0	0
4	Van Tonder ,L (Levhan)	1	1215.3	1640.3	1	1218.4	1640.3	0	0	0	0	0	0
5	Venter ,R (Renier)	1	0	-425	1	0	-425	0	0	0	0	0	0
5	Venter ,R (Renier)	1	1214.6	789.6	1	1216.8	789.6	0	0	0	0	0	0
6	De Klerk ,O (Oliver)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	De Klerk ,O (Oliver)	1	1172.7	747.7	1	1168.6	747.7	0	0	0	0	0	0
7	Janse Van Rensburg ,A (Ava)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Janse Van Rensburg ,A (Ava)	1	1469.7	1044.7	1	1467.6	1044.7	0	0	0	0	0	0
8	Cronje ,L (Luca)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Cronje ,L (Luca)	1	1166.5	741.5	1	1158.4	741.5	0	0	0	0	0	0
9	Swartz ,Z (Zachary)	1	1	425	1	1	425	0	0	0	0	0	0
9	Swartz ,Z (Zachary)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Van Tonder ,L (Levhan)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Van Tonder ,L (Levhan)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

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PLAYER PAGE

Personal

Crofford, R (Ryan)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms