2025 Middle Game Chess Foundation Challengers

Name: Wang, Justin Zhide , Startingrank-Number = 1
Fide ID: 4312830, Rating: 1895, Title: , Fed: NZL, Sex: m
Event: 2025 Middle Game Chess Foundation Challengers, Place: Auckland (NZL), Start:13/01/2025, Finish: 19/01/2025
Rnd	Col	N opp	Opponent Name	FIDE ID	Fed	Rtg	Title	diff	exp.	res	Total
1	W	10	Yu, Zachary	4311930	NZL	2040	CM	145	0.31	0	0
2	W	2	Lu, Xiahan (Luna)	4317076	NZL	1722	WCM	173	0.73	1	1
3	B	3	Jin, Yanbo	4324900	NZL	1976		81	0.39	0	1
4	W	4	Cooper, Nigel	4300840	NZL	1638		257	0.82	1	2
Games = 4, Score = 2 , ARO = 1844 , PRtg = 1844, We = 2.25, W-We= -0.25 , var=-10

Name: Lu, Xiahan (Luna) , Startingrank-Number = 2
Fide ID: 4317076, Rating: 1722, Title: WCM, Fed: NZL, Sex: f
Event: 2025 Middle Game Chess Foundation Challengers, Place: Auckland (NZL), Start:13/01/2025, Finish: 19/01/2025
Rnd	Col	N opp	Opponent Name	FIDE ID	Fed	Rtg	Title	diff	exp.	res	Total
1	W	9	Tew, Yao Zen Markis	35814420	NZL	1913		191	0.25	0	0
2	B	1	Wang, Justin Zhide	4312830	NZL	1895		173	0.27	0	0
3	W	10	Yu, Zachary	4311930	NZL	2040	CM	318	0.13	0.5	0.5
4	W	3	Jin, Yanbo	4324900	NZL	1976		254	0.19	0	0.5
Games = 4, Score = 0.5 , ARO = 1956 , PRtg = 1634, We = 0.84, W-We= -0.34 , var=-14

Name: Jin, Yanbo , Startingrank-Number = 3
Fide ID: 4324900, Rating: 1976, Title: , Fed: NZL, Sex: m
Event: 2025 Middle Game Chess Foundation Challengers, Place: Auckland (NZL), Start:13/01/2025, Finish: 19/01/2025
Rnd	Col	N opp	Opponent Name	FIDE ID	Fed	Rtg	Title	diff	exp.	res	Total
1	W	8	Liu, William Rui	4313593	NZL	1946		30	0.54	0.5	0.5
2	B	9	Tew, Yao Zen Markis	35814420	NZL	1913		63	0.59	0.5	1
3	W	1	Wang, Justin Zhide	4312830	NZL	1895		81	0.61	1	2
4	B	2	Lu, Xiahan (Luna)	4317076	NZL	1722	WCM	254	0.81	1	3
Games = 4, Score = 3 , ARO = 1869 , PRtg = 2062, We = 2.55, W-We= 0.45 , var=18

Name: Cooper, Nigel , Startingrank-Number = 4
Fide ID: 4300840, Rating: 1638, Title: , Fed: NZL, Sex: m
Event: 2025 Middle Game Chess Foundation Challengers, Place: Auckland (NZL), Start:13/01/2025, Finish: 19/01/2025
Rnd	Col	N opp	Opponent Name	FIDE ID	Fed	Rtg	Title	diff	exp.	res	Total
1	W	7	Seidl, Milan	533002614	GER	1800		162	0.29	0	0
2	B	8	Liu, William Rui	4313593	NZL	1946		308	0.14	0	0
3	W	9	Tew, Yao Zen Markis	35814420	NZL	1913		275	0.17	0	0
4	B	1	Wang, Justin Zhide	4312830	NZL	1895		257	0.18	0	0
Games = 4, Score = 0 , ARO = 1889 , PRtg = 1089, We = 0.78, W-We= -0.78 , var=-16

Name: Weng, Winston , Startingrank-Number = 5
Fide ID: 4306414, Rating: 1911, Title: , Fed: NZL, Sex: m
Event: 2025 Middle Game Chess Foundation Challengers, Place: Auckland (NZL), Start:13/01/2025, Finish: 19/01/2025
Rnd	Col	N opp	Opponent Name	FIDE ID	Fed	Rtg	Title	diff	exp.	res	Total
1	W	6	Slater-Jones, Henry	3222101	AUS	1906	CM	5	0.51	0.5	0.5
2	B	7	Seidl, Milan	533002614	GER	1800		111	0.65	0.5	1
3	W	8	Liu, William Rui	4313593	NZL	1946		35	0.45	0.5	1.5
4	B	9	Tew, Yao Zen Markis	35814420	NZL	1913		2	0.5	0	1.5
Games = 4, Score = 1.5 , ARO = 1891 , PRtg = 1804, We = 2.11, W-We= -0.61 , var=-12

Name: Slater-Jones, Henry , Startingrank-Number = 6
Fide ID: 3222101, Rating: 1906, Title: CM, Fed: AUS, Sex: m
Event: 2025 Middle Game Chess Foundation Challengers, Place: Auckland (NZL), Start:13/01/2025, Finish: 19/01/2025
Rnd	Col	N opp	Opponent Name	FIDE ID	Fed	Rtg	Title	diff	exp.	res	Total
1	B	5	Weng, Winston	4306414	NZL	1911		5	0.49	0.5	0.5
2	B	10	Yu, Zachary	4311930	NZL	2040	CM	134	0.32	0	0.5
3	W	7	Seidl, Milan	533002614	GER	1800		106	0.64	1	1.5
4	B	8	Liu, William Rui	4313593	NZL	1946		40	0.44	0	1.5
Games = 4, Score = 1.5 , ARO = 1924 , PRtg = 1837, We = 1.89, W-We= -0.39 , var=-8

Name: Seidl, Milan , Startingrank-Number = 7
Fide ID: 533002614, Rating: 1800, Title: , Fed: GER, Sex: m
Event: 2025 Middle Game Chess Foundation Challengers, Place: Auckland (NZL), Start:13/01/2025, Finish: 19/01/2025
Rnd	Col	N opp	Opponent Name	FIDE ID	Fed	Rtg	Title	diff	exp.	res	Total
1	B	4	Cooper, Nigel	4300840	NZL	1638		162	0.71	1	1
2	W	5	Weng, Winston	4306414	NZL	1911		111	0.35	0.5	1.5
3	B	6	Slater-Jones, Henry	3222101	AUS	1906	CM	106	0.36	0	1.5
4	B	10	Yu, Zachary	4311930	NZL	2040	CM	240	0.2	0	1.5
Games = 4, Score = 1.5 , ARO = 1874 , PRtg = 1787, We = 1.62, W-We= -0.12 , var=-5

Name: Liu, William Rui , Startingrank-Number = 8
Fide ID: 4313593, Rating: 1946, Title: , Fed: NZL, Sex: m
Event: 2025 Middle Game Chess Foundation Challengers, Place: Auckland (NZL), Start:13/01/2025, Finish: 19/01/2025
Rnd	Col	N opp	Opponent Name	FIDE ID	Fed	Rtg	Title	diff	exp.	res	Total
1	B	3	Jin, Yanbo	4324900	NZL	1976		30	0.46	0.5	0.5
2	W	4	Cooper, Nigel	4300840	NZL	1638		308	0.86	1	1.5
3	B	5	Weng, Winston	4306414	NZL	1911		35	0.55	0.5	2
4	W	6	Slater-Jones, Henry	3222101	AUS	1906	CM	40	0.56	1	3
Games = 4, Score = 3 , ARO = 1858 , PRtg = 2051, We = 2.43, W-We= 0.57 , var=23

Name: Tew, Yao Zen Markis , Startingrank-Number = 9
Fide ID: 35814420, Rating: 1913, Title: , Fed: NZL, Sex: m
Event: 2025 Middle Game Chess Foundation Challengers, Place: Auckland (NZL), Start:13/01/2025, Finish: 19/01/2025
Rnd	Col	N opp	Opponent Name	FIDE ID	Fed	Rtg	Title	diff	exp.	res	Total
1	B	2	Lu, Xiahan (Luna)	4317076	NZL	1722	WCM	191	0.75	1	1
2	W	3	Jin, Yanbo	4324900	NZL	1976		63	0.41	0.5	1.5
3	B	4	Cooper, Nigel	4300840	NZL	1638		275	0.83	1	2.5
4	W	5	Weng, Winston	4306414	NZL	1911		2	0.5	1	3.5
Games = 4, Score = 3.5 , ARO = 1812 , PRtg = 2148, We = 2.49, W-We= 1.01 , var=20

Name: Yu, Zachary , Startingrank-Number = 10
Fide ID: 4311930, Rating: 2040, Title: CM, Fed: NZL, Sex: m
Event: 2025 Middle Game Chess Foundation Challengers, Place: Auckland (NZL), Start:13/01/2025, Finish: 19/01/2025
Rnd	Col	N opp	Opponent Name	FIDE ID	Fed	Rtg	Title	diff	exp.	res	Total
1	B	1	Wang, Justin Zhide	4312830	NZL	1895		145	0.69	1	1
2	W	6	Slater-Jones, Henry	3222101	AUS	1906	CM	134	0.68	1	2
3	B	2	Lu, Xiahan (Luna)	4317076	NZL	1722	WCM	318	0.87	0.5	2.5
4	W	7	Seidl, Milan	533002614	GER	1800		240	0.8	1	3.5
Games = 4, Score = 3.5 , ARO = 1831 , PRtg = 2167, We = 3.04, W-We= 0.46 , var=18