Chess South Africa Ratings Database

PLAYER PAGE

Personal

Block, R (Raphi)

Chess SA id

1170322514

FIDE id

Date of birth

2017-11-06 (U10)

Gender

Male

Region

Johannesburg Metro (GJM)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-09-21

Personal details last changed

1900-01-01

Junior GPX Games

14.1

Junior GPX Points

1140.6

Item	Main	Standard	Rapid	Blitz
Rating	1287.8	1242.8	1273.6	1200
Raw rating	1263.8	1242.8	1273.6	1200
Weighted rating	1211	1206.4	1219.7	1200
Weighted performance	1287.8	0	0	0
Floor	763.8	742.8	773.6	700
K-factor	36	36	36	36
Min/Max rating change allowed	151.4	156	149.3	165.8
Highest rating	1302.3 2025-09-30	1242.8 2025-09-30	1273.6 2025-09-30	1200 2025-07-01
Highest raw rating	1263.8 2025-09-30	1242.8 2025-09-30	1273.6 2025-09-30	1200 2025-07-01
Highest weighted rating	1206.1 2025-09-30	1203.2 2025-09-30	1214.5 2025-09-30	1200 2025-07-01
Highest weighted performance	1302.3 2025-09-30	0 1900-01-01	0 1900-01-01	0 1900-01-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	-7.7	0	0	0
New rating	1280.2	1242.8	1273.6	1200
Analysis
Rating	1287.8	1242.8	1273.6	1200
Raw rating	1263.8	1242.8	1273.6	1200
Weighted rating	1211	1206.4	1219.7
Weighted performance	1287.8	0	0
K-factor	36	36	36	36
Floor	763.8	742.8	773.6	700
Max/Min rating change allowed	151.4	156	149.3	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	1263.8	1242.8	1273.6	1200
New weighted rating	1215.6	1209.6	1224.7	1200
New weighted performance	1280.2	0	0	0
Temp new rating	1280.2	1242.8	1273.6	1200
Temp new rating +/-	-7.7	0	0	0
Final new rating +/-	-7.7	0	0	0
New rating	1280.2	1242.8	1273.6	1200
New K-factor	36	36	36	36
New floor	763.8	742.8	773.6	700

Item	Main	Standard	Rapid
	0	0	0
	23	9	14
	0	0	0
	0	0	0
	0	0	0
	0	0	0
History	23	9	14

Games since
	Main 23	Standard 9		Rapid 14		Blitz 0
Gender	Male
Age group	U10
Region	Johannesburg Metro (GJM)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U10	-1		-1		-1
U10 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	23	12	52.17	18.5	1307.7	1326.2
Standard	9	3.5	38.89	-94.4	1318.2	1223.8
Rapid	14	8.5	60.71	91.1	1301	1392.1
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	23	12	52.17	18.5	1307.7	1326.2
Standard	9	3.5	38.89	-94.4	1318.2	1223.8
Rapid	14	8.5	60.71	91.1	1301	1392.1
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-11-01	1263.8	1242.8	1273.6	1200
2025-09-30	1263.8	1242.8	1273.6	1200
2025-09-01	1213.4	1199.6	1238.3	1200
2025-08-01	1200	1199.6	1239.5	1200
2025-07-01	1200	1197.2	1239.5	1200
2025-06-01	1200	1200	1200	1200
2025-05-01	1200	1200	1200	1200
2025-04-01	1200	1200	1200	1200
2025-03-01	1200	1200	1200	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
2024-09-01	1200	1200	1200	1200
2024-05-01	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

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	GoForChess Junior Chess Championships 2025 (U10)	2025-09-14	2025-09-14	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
2	Chess Power House Spring Rapid 2025 (E)	2025-09-21	2025-09-21	Rapid	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
3	Rock n Roll Rapid 2025 (Pawns)	2025-08-24	2025-08-24	Rapid	Ekurhuleni (GE)	5	4	2	Yes	Analysis
4	Chess Power House Youth Day Rapid 2025 (E)	2025-06-16	2025-06-16	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
5	JMC Helpmekaar 2025 (D)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	GoForChess Junior Chess Championships 2025 (U10)	2025-09-14	2025-09-14	Standard	Johannesburg Metro (GJM)	5	5	2.5	Yes	Analysis
2	Chess Power House Spring Rapid 2025 (E)	2025-09-21	2025-09-21	Rapid	Ekurhuleni (GE)	5	5	3.5	Yes	Analysis
3	Rock n Roll Rapid 2025 (Pawns)	2025-08-24	2025-08-24	Rapid	Ekurhuleni (GE)	5	4	2	Yes	Analysis
4	Chess Power House Youth Day Rapid 2025 (E)	2025-06-16	2025-06-16	Rapid	Ekurhuleni (GE)	5	5	3	Yes	Analysis
5	JMC Helpmekaar 2025 (D)	2025-06-01	2025-06-01	Standard	Johannesburg Metro (GJM)	5	4	1	Yes	Analysis

#	Games	Start				End
1	4	Tournament GoForChess Junior Chess Championships 2025				Tournament Chess Power House Spring Rapid 2025
		date 2025-09-14	rnd 5	type Standard	result 0.5	date 2025-09-21	rnd 3	type Rapid	result 0.5
		Opponent Kalandra, S (Sebrang)				Opponent Farkas, L (Lavi)
2	3	Tournament Rock n Roll Rapid 2025				Tournament GoForChess Junior Chess Championships 2025
		date 2025-08-24	rnd 5	type Rapid	result 1	date 2025-09-14	rnd 2	type Standard	result 1
		Opponent Farkas, L (Lavi)				Opponent Meyerowitz, M (Matai)
3	3	Tournament JMC Helpmekaar 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-01	rnd 5	type Standard	result 1	date 2025-06-16	rnd 2	type Rapid	result 1
		Opponent Barendrecht, M (Maarten)				Opponent Newman, A (Ayen)

#	Games	Start				End
1	3	Tournament JMC Helpmekaar 2025				Tournament GoForChess Junior Chess Championships 2025
		date 2025-06-01	rnd 5	type Standard	result 1	date 2025-09-14	rnd 2	type Standard	result 1
		Opponent Barendrecht, M (Maarten)				Opponent Meyerowitz, M (Matai)
2	1	Tournament GoForChess Junior Chess Championships 2025				Tournament GoForChess Junior Chess Championships 2025
		date 2025-09-14	rnd 5	type Standard	result 0.5	date 2025-09-14	rnd 5	type Standard	result 0.5
		Opponent Kalandra, S (Sebrang)				Opponent Kalandra, S (Sebrang)

#	Games	Start				End
1	2	Tournament Chess Power House Youth Day Rapid 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-16	rnd 1	type Rapid	result 1	date 2025-06-16	rnd 2	type Rapid	result 1
		Opponent Gabel Smit, H (Heinrich)				Opponent Newman, A (Ayen)
2	1	Tournament Rock n Roll Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-08-24	rnd 5	type Rapid	result 1	date 2025-08-24	rnd 5	type Rapid	result 1
		Opponent Farkas, L (Lavi)				Opponent Farkas, L (Lavi)
3	1	Tournament Rock n Roll Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-08-24	rnd 1	type Rapid	result 1	date 2025-08-24	rnd 1	type Rapid	result 1
		Opponent Nathan, N (Nevi'ah)				Opponent Nathan, N (Nevi'ah)

No games found.

#	Games	Start				End

#	Games	Start				End
1	3	Tournament Rock n Roll Rapid 2025				Tournament GoForChess Junior Chess Championships 2025
		date 2025-08-24	rnd 5	type Rapid	result 1	date 2025-09-14	rnd 2	type Standard	result 1
		Opponent Farkas, L (Lavi)				Opponent Meyerowitz, M (Matai)
2	3	Tournament JMC Helpmekaar 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-01	rnd 5	type Standard	result 1	date 2025-06-16	rnd 2	type Rapid	result 1
		Opponent Barendrecht, M (Maarten)				Opponent Newman, A (Ayen)
3	1	Tournament Rock n Roll Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-08-24	rnd 1	type Rapid	result 1	date 2025-08-24	rnd 1	type Rapid	result 1
		Opponent Nathan, N (Nevi'ah)				Opponent Nathan, N (Nevi'ah)

#	Games	Start				End
1	3	Tournament JMC Helpmekaar 2025				Tournament GoForChess Junior Chess Championships 2025
		date 2025-06-01	rnd 5	type Standard	result 1	date 2025-09-14	rnd 2	type Standard	result 1
		Opponent Barendrecht, M (Maarten)				Opponent Meyerowitz, M (Matai)

#	Games	Start				End
1	2	Tournament Chess Power House Youth Day Rapid 2025				Tournament Chess Power House Youth Day Rapid 2025
		date 2025-06-16	rnd 1	type Rapid	result 1	date 2025-06-16	rnd 2	type Rapid	result 1
		Opponent Gabel Smit, H (Heinrich)				Opponent Newman, A (Ayen)
2	1	Tournament Rock n Roll Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-08-24	rnd 5	type Rapid	result 1	date 2025-08-24	rnd 5	type Rapid	result 1
		Opponent Farkas, L (Lavi)				Opponent Farkas, L (Lavi)
3	1	Tournament Rock n Roll Rapid 2025				Tournament Rock n Roll Rapid 2025
		date 2025-08-24	rnd 1	type Rapid	result 1	date 2025-08-24	rnd 1	type Rapid	result 1
		Opponent Nathan, N (Nevi'ah)				Opponent Nathan, N (Nevi'ah)

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	Farkas ,L (Lavi)	3	1.5	0	0	0	0	3	1.5	0	0	0	0
1	Farkas ,L (Lavi)	3	1266.8	1266.8	0	0	0	3	1244.2	1266.8	0	0	0
2	Gabel Smit ,H (Heinrich)	2	1	0	0	0	0	2	1	0	0	0	0
2	Gabel Smit ,H (Heinrich)	2	1340.8	1340.8	0	0	0	2	1248.9	1340.8	0	0	0
3	Suttner ,B (Benjamin)	2	1	0	0	0	0	2	1	0	0	0	0
3	Suttner ,B (Benjamin)	2	1249.9	1249.9	0	0	0	2	1289.8	1249.9	0	0	0
4	Young ,V (Victoria)	1	1	425	1	1	425	0	0	0	0	0	0
4	Young ,V (Victoria)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Barendrecht ,M (Maarten)	1	1	425	1	1	425	0	0	0	0	0	0
5	Barendrecht ,M (Maarten)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Lochner ,C (Christiaan)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Lochner ,C (Christiaan)	1	1153	728	1	1136.1	728	0	0	0	0	0	0
7	Kalandra ,S (Sebrang)	1	0.5	0	1	0.5	0	0	0	0	0	0	0
7	Kalandra ,S (Sebrang)	1	1200	1200	1	1200	1200	0	0	0	0	0	0
8	Bijker ,X (Xander)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Bijker ,X (Xander)	1	1305.2	880.2	1	1305.7	880.2	0	0	0	0	0	0
9	Du Pisani ,M (Malcolm)	1	0	-425	1	0	-425	0	0	0	0	0	0
9	Du Pisani ,M (Malcolm)	1	1635.3	1210.3	1	1638.7	1210.3	0	0	0	0	0	0
10	Lin ,Y (Yizheng)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Lin ,Y (Yizheng)	1	1475.6	1050.6	1	1467.4	1050.6	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

Block, R (Raphi)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms