1 Wang, Justin Zhide , K=18, Elo=2075, ID=17324
2025 Middle Game Chess Foundation Challengers, Auckland, 13/01/2025, 19/01/2025
R C N Cat OPPONENT Rtg diff exp. res Cum Pts
1 W 10 CM Yu, Zachary 2117 42 0.44 0.0 0.0 8.0
2 W 2 WCM Lu, Xiahan (Luna) 1887 188 0.74 1.0 1.0 2.0
3 B 3 Jin, Yanbo 2026 49 0.57 0.0 1.0 5.5
4 W 4 Cooper, Nigel 1602 400 0.92 1.0 2.0 0.5
5 B 5 Weng, Winston 1992 83 0.61 0.0 2.0 5.0
6 W 6 CM Slater-Jones, Henry 1906 169 0.72 0.5 2.5 5.0
7 B 7 Seidl, Milan 1800 275 0.83 1.0 3.5 3.5
8 W 8 Liu, William Rui 2051 24 0.53 0.5 4.0 6.0
9 B 9 Tew, Yao Zen Markis 2029 46 0.56 0.5 4.5 5.0
var = -25, PRtg=1872 1934 5.92 4.5 0.0

2 WCM Lu, Xiahan (Luna) , K=22, Elo=1887, ID=18118
2025 Middle Game Chess Foundation Challengers, Auckland, 13/01/2025, 19/01/2025
R C N Cat OPPONENT Rtg diff exp. res Cum Pts
1 W 9 Tew, Yao Zen Markis 2029 142 0.31 0.0 0.0 5.0
2 B 1 Wang, Justin Zhide 2075 188 0.26 0.0 0.0 4.5
3 W 10 CM Yu, Zachary 2117 230 0.21 0.5 0.5 8.0
4 W 3 Jin, Yanbo 2026 139 0.31 0.0 0.5 5.5
5 B 4 Cooper, Nigel 1602 285 0.84 0.5 1.0 0.5
6 W 5 Weng, Winston 1992 105 0.36 0.0 1.0 5.0
7 B 6 CM Slater-Jones, Henry 1906 19 0.47 0.0 1.0 5.0
8 W 7 Seidl, Milan 1800 87 0.62 1.0 2.0 3.5
9 B 8 Liu, William Rui 2051 164 0.28 0.0 2.0 6.0
var = -37, PRtg=1672 1955 3.66 2.0 0.0

3 Jin, Yanbo , K=19, Elo=2026, ID=19540
2025 Middle Game Chess Foundation Challengers, Auckland, 13/01/2025, 19/01/2025
R C N Cat OPPONENT Rtg diff exp. res Cum Pts
1 W 8 Liu, William Rui 2051 25 0.47 0.5 0.5 6.0
2 B 9 Tew, Yao Zen Markis 2029 3 0.50 0.5 1.0 5.0
3 W 1 Wang, Justin Zhide 2075 49 0.43 1.0 2.0 4.5
4 B 2 WCM Lu, Xiahan (Luna) 1887 139 0.69 1.0 3.0 2.0
5 W 10 CM Yu, Zachary 2117 91 0.38 0.0 3.0 8.0
6 W 4 Cooper, Nigel 1602 400 0.92 1.0 4.0 0.5
7 B 5 Weng, Winston 1992 34 0.55 0.5 4.5 5.0
8 W 6 CM Slater-Jones, Henry 1906 120 0.66 0.5 5.0 5.0
9 B 7 Seidl, Milan 1800 226 0.79 0.5 5.5 3.5
var = 2, PRtg=1943 1940 5.39 5.5 0.0

4 Cooper, Nigel , K=27, Elo=1602, ID=13762
2025 Middle Game Chess Foundation Challengers, Auckland, 13/01/2025, 19/01/2025
R C N Cat OPPONENT Rtg diff exp. res Cum Pts
1 W 7 Seidl, Milan 1800 198 0.24 0.0 0.0 3.5
2 B 8 Liu, William Rui 2051 400 0.08 0.0 0.0 6.0
3 W 9 Tew, Yao Zen Markis 2029 400 0.08 0.0 0.0 5.0
4 B 1 Wang, Justin Zhide 2075 400 0.08 0.0 0.0 4.5
5 W 2 WCM Lu, Xiahan (Luna) 1887 285 0.16 0.5 0.5 2.0
6 B 3 Jin, Yanbo 2026 400 0.08 0.0 0.5 5.5
7 W 10 CM Yu, Zachary 2117 400 0.08 0.0 0.5 8.0
8 W 5 Weng, Winston 1992 390 0.09 0.0 0.5 5.0
9 B 6 CM Slater-Jones, Henry 1906 304 0.14 0.0 0.5 5.0
var = -13, PRtg=1457 1987 1.03 0.5 0.0

5 Weng, Winston , K=20, Elo=1992, ID=15853
2025 Middle Game Chess Foundation Challengers, Auckland, 13/01/2025, 19/01/2025
R C N Cat OPPONENT Rtg diff exp. res Cum Pts
1 W 6 CM Slater-Jones, Henry 1906 86 0.62 0.5 0.5 5.0
2 B 7 Seidl, Milan 1800 192 0.75 0.5 1.0 3.5
3 W 8 Liu, William Rui 2051 59 0.42 0.5 1.5 6.0
4 B 9 Tew, Yao Zen Markis 2029 37 0.45 0.0 1.5 5.0
5 W 1 Wang, Justin Zhide 2075 83 0.39 1.0 2.5 4.5
6 B 2 WCM Lu, Xiahan (Luna) 1887 105 0.64 1.0 3.5 2.0
7 W 3 Jin, Yanbo 2026 34 0.45 0.5 4.0 5.5
8 B 4 Cooper, Nigel 1602 390 0.91 1.0 5.0 0.5
9 W 10 CM Yu, Zachary 2117 125 0.33 0.0 5.0 8.0
var = 0, PRtg=1914 1944 4.96 5.0 0.0

6 CM Slater-Jones, Henry , K= 0, Elo=1906, ID=0
2025 Middle Game Chess Foundation Challengers, Auckland, 13/01/2025, 19/01/2025
R C N Cat OPPONENT Rtg diff exp. res Cum Pts
1 B 5 Weng, Winston 1992 86 0.38 0.5 0.5 5.0
2 B 10 CM Yu, Zachary 2117 211 0.23 0.0 0.5 8.0
3 W 7 Seidl, Milan 1800 106 0.64 1.0 1.5 3.5
4 B 8 Liu, William Rui 2051 145 0.31 0.0 1.5 6.0
5 W 9 Tew, Yao Zen Markis 2029 123 0.33 0.5 2.0 5.0
6 B 1 Wang, Justin Zhide 2075 169 0.28 0.5 2.5 4.5
7 W 2 WCM Lu, Xiahan (Luna) 1887 19 0.53 1.0 3.5 2.0
8 B 3 Jin, Yanbo 2026 120 0.34 0.5 4.0 5.5
9 W 4 Cooper, Nigel 1602 304 0.86 1.0 5.0 0.5
var = 0, PRtg=1914 1953 3.90 5.0 0.0

7 Seidl, Milan , K= 0, Elo=1800, ID=0
2025 Middle Game Chess Foundation Challengers, Auckland, 13/01/2025, 19/01/2025
R C N Cat OPPONENT Rtg diff exp. res Cum Pts
1 B 4 Cooper, Nigel 1602 198 0.76 1.0 1.0 0.5
2 W 5 Weng, Winston 1992 192 0.25 0.5 1.5 5.0
3 B 6 CM Slater-Jones, Henry 1906 106 0.36 0.0 1.5 5.0
4 B 10 CM Yu, Zachary 2117 317 0.13 0.0 1.5 8.0
5 W 8 Liu, William Rui 2051 251 0.19 0.5 2.0 6.0
6 B 9 Tew, Yao Zen Markis 2029 229 0.21 1.0 3.0 5.0
7 W 1 Wang, Justin Zhide 2075 275 0.17 0.0 3.0 4.5
8 B 2 WCM Lu, Xiahan (Luna) 1887 87 0.38 0.0 3.0 2.0
9 W 3 Jin, Yanbo 2026 226 0.21 0.5 3.5 5.5
var = 0, PRtg=1803 1965 2.66 3.5 0.0

8 Liu, William Rui , K=18, Elo=2051, ID=17424
2025 Middle Game Chess Foundation Challengers, Auckland, 13/01/2025, 19/01/2025
R C N Cat OPPONENT Rtg diff exp. res Cum Pts
1 B 3 Jin, Yanbo 2026 25 0.53 0.5 0.5 5.5
2 W 4 Cooper, Nigel 1602 400 0.92 1.0 1.5 0.5
3 B 5 Weng, Winston 1992 59 0.58 0.5 2.0 5.0
4 W 6 CM Slater-Jones, Henry 1906 145 0.69 1.0 3.0 5.0
5 B 7 Seidl, Milan 1800 251 0.81 0.5 3.5 3.5
6 B 10 CM Yu, Zachary 2117 66 0.41 0.0 3.5 8.0
7 W 9 Tew, Yao Zen Markis 2029 22 0.53 1.0 4.5 5.0
8 B 1 Wang, Justin Zhide 2075 24 0.47 0.5 5.0 4.5
9 W 2 WCM Lu, Xiahan (Luna) 1887 164 0.72 1.0 6.0 2.0
var = 5, PRtg=1992 1937 5.66 6.0 0.0

9 Tew, Yao Zen Markis , K=19, Elo=2029, ID=18303
2025 Middle Game Chess Foundation Challengers, Auckland, 13/01/2025, 19/01/2025
R C N Cat OPPONENT Rtg diff exp. res Cum Pts
1 B 2 WCM Lu, Xiahan (Luna) 1887 142 0.69 1.0 1.0 2.0
2 W 3 Jin, Yanbo 2026 3 0.50 0.5 1.5 5.5
3 B 4 Cooper, Nigel 1602 400 0.92 1.0 2.5 0.5
4 W 5 Weng, Winston 1992 37 0.55 1.0 3.5 5.0
5 B 6 CM Slater-Jones, Henry 1906 123 0.67 0.5 4.0 5.0
6 W 7 Seidl, Milan 1800 229 0.79 0.0 4.0 3.5
7 B 8 Liu, William Rui 2051 22 0.47 0.0 4.0 6.0
8 B 10 CM Yu, Zachary 2117 88 0.38 0.5 4.5 8.0
9 W 1 Wang, Justin Zhide 2075 46 0.44 0.5 5.0 4.5
var = -8, PRtg=1913 1940 5.41 5.0 0.0

10 CM Yu, Zachary , K=17, Elo=2117, ID=16736
2025 Middle Game Chess Foundation Challengers, Auckland, 13/01/2025, 19/01/2025
R C N Cat OPPONENT Rtg diff exp. res Cum Pts
1 B 1 Wang, Justin Zhide 2075 42 0.56 1.0 1.0 4.5
2 W 6 CM Slater-Jones, Henry 1906 211 0.77 1.0 2.0 5.0
3 B 2 WCM Lu, Xiahan (Luna) 1887 230 0.79 0.5 2.5 2.0
4 W 7 Seidl, Milan 1800 317 0.87 1.0 3.5 3.5
5 B 3 Jin, Yanbo 2026 91 0.62 1.0 4.5 5.5
6 W 8 Liu, William Rui 2051 66 0.59 1.0 5.5 6.0
7 B 4 Cooper, Nigel 1602 400 0.92 1.0 6.5 0.5
8 W 9 Tew, Yao Zen Markis 2029 88 0.62 0.5 7.0 5.0
9 B 5 Weng, Winston 1992 125 0.67 1.0 8.0 5.0
var = 27, PRtg=2207 1930 6.41 8.0 0.0