CChessStats

Japan Open 2025(Challenger Category)

Open SwissStandard

139 players participated in this 9-round tournament, held from 19 Sept 2025 to 23 Sept 2025 in Tokyo, Japan. 9 titled players from 8 federations. Top 10 Elo average was 1932, and top seed was Tuan Anh Nguyen (πŸ‡―πŸ‡΅ JPN, 1988).

Taewoo A Kim (πŸ‡°πŸ‡· KOR, 1857) won with 7.5/9, ahead of Shixuan Xue (7.5) and Keita Shakuya (7.0). Kim shared the lead from round 5, winning on tie-break.

The biggest upset came in round 8: Howe Luong Lim (1528) beat Steven D Young (1849), a +321-point gap.

Location
πŸ‡―πŸ‡΅Tokyo, Japan
Dates
19 Sept 2025 β†’ 23 Sept 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss Β· 9 rounds
Top seed
πŸ‡―πŸ‡΅Tuan Anh Nguyen1988
Avg top 10
1,932
Participants
139
Titled players Β· 9
WCMΓ—9
Federations Β· 8 represented
πŸ‡―πŸ‡΅JapanΓ—77
πŸ‡¨πŸ‡³ChinaΓ—10
πŸ‡ΉπŸ‡ΌChinese TaipeiΓ—9
πŸ‡°πŸ‡·South KoreaΓ—8
πŸ‡­πŸ‡°Hong Kong ChinaΓ—6
πŸ‡§πŸ‡©BangladeshΓ—4
πŸ‡ΊπŸ‡ΈUnited States of AmericaΓ—4
πŸ‡°πŸ‡¬KyrgyzstanΓ—4
Top 3
  • πŸ₯‡
    πŸ‡°πŸ‡·KORΒ·1857
    7.5ptsΒ·2088perf+50.8
  • πŸ₯ˆ
    πŸ‡¨πŸ‡³CHNΒ·1920
    7.5ptsΒ·2065perf+30.0
  • πŸ₯‰
    πŸ‡―πŸ‡΅JPNΒ·1819
    7.0ptsΒ·1996perf+75.2

How it unfolded

Top 6 Β· 9 rounds

Tight race until R6; 2 players tied at 7.5/9, decided on Buchholz. Title race narrowed from 3 co-leaders at R4 to 2 at the finish.

Co-leaders
61
26
12
3
5
1
1
2
2
2.54.579R1R2R3R4R5R6R7R8R9
R6–R9 Β· LEAD HELD

Taewoo A Kim held the sole lead from R6 through R9 without losing it.

R9 Β· TIEBREAK CLUSTER

2 players finish on 7.5/9. Kim takes the title on Buchholz Cut1 (48.5).

R9 Β· HEAD-TO-HEAD Β· WINNER VS 2ND

Taewoo A Kim drew with Shixuan Xue (White).

Key matchups Β· top 4

Head-to-head between the four finishers
Player1234
1Taewoo A Kim*
Β½
β€”β€”
2Shixuan Xue
Β½
*β€”β€”
3Show Kitagamiβ€”β€”*β€”
4Islambek Baisynovβ€”β€”β€”*

Grille amΓ©ricaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΞ”
1Kim, Taewoo A1857KOR+107B=19N+57B+40N+12B+3N+14B=6N=2B7.548.551.541.502088+50.8
2Xue, Shixuan1920CHN+36N+67B+28N=7B=13N+39B+15N+29B=1N7.547.552.042.002065+30.0
3Shakuya, Keita1819JPN+84N+105B+75N+18B=39Nβˆ’1B+16N=33B+12B7.044.047.034.251996+75.2
4Kitagami, Show1878JPN+74N=8Bβˆ’25N+86B+57N=41B+19N+15B+13N7.043.547.536.251936+12.2
5Baisynov, Islambek1914KGZβˆ’78N+72B+105N+59B+26N=19B=7N+25B+6B7.043.046.035.751914+3.0
6Tran, Duc Hung Long1969VIE+44N+22B+17N=13B+7N=15B+18N=1Bβˆ’5N6.551.056.039.251970+4.4
7Wu, Chen- Hao1818TPE+121B+78N+14B=2Nβˆ’6B+26N=5B=20N+29N6.548.050.533.751977+80.4
8Sun, Chang-Jyu1698TPE+120B=4N+50Bβˆ’16B+11N=12N+80B+39B=9N6.546.048.532.752006+130.4
9Patil, Rushad1846JPN+93N+51Bβˆ’26N+62B=41B+42N=17B+53N=8B6.542.546.031.751847+1.8
10Xu, Xiaodi1547CHN+23N=25Bβˆ’115N+79Bβˆ’28N+51B+57N+34B+33N6.541.544.533.251955+187.2
11Saito, Hiromasa1877JPN+95Bβˆ’76N+78B=55Nβˆ’8B+48N+42B+110N+30B6.538.541.528.501833-7.2
12Araki, Dai1828JPN+112N+38B+49N=26Bβˆ’1N=8B+41N+22Bβˆ’3N6.048.051.030.501796-6.0
13Song, Jihu1820KOR+99B+62N+32B=6N=2Bβˆ’14N+31B+43Nβˆ’4B6.047.551.031.001897+40.0
14Nguyen, Tuan Anh1988JPN+132N+79Bβˆ’7N+35B+47N+13Bβˆ’1N=17B=23N6.046.547.527.501888-19.4
15Zhou, Tony1770HKG+118B+98N+20B+34B=16N=6Nβˆ’2Bβˆ’4N+74B6.046.048.527.751914+63.6
16Planche, Pierre-Francois1958FRA+124B+37N=40B+8N=15B=25Nβˆ’3B=27N+43B6.046.048.030.001863-19.4
17Zhu, AliciaWCM1791USA+91B+60Nβˆ’6B=31N+69B+24B=9N=14N=20B6.045.549.531.001904+56.0
18Tanaka, Satoshi1885JPN+65B+42N+54Bβˆ’3N+27B+75Nβˆ’6B=30N=19B6.045.049.029.751854-6.2
19Noda, Ryo1682JPN+138N=1B+128N=25B+45B=5Nβˆ’4B+58N=18N6.044.544.524.501963+116.4
20Nodon, Jeremi1897JPN+94N+59Bβˆ’15N+83B+37N+36Bβˆ’29N=7B=17N6.043.547.029.251863-6.0
21Kihara, Taira0JPN=57B=27N+43Bβˆ’47N+77Bβˆ’30N+46B+54N+58B6.040.044.028.5018150.0
22Bhatia, Praveen1761JPN+89Bβˆ’6Nβˆ’31B+121N+106B+46N+74Bβˆ’12N+52B6.039.041.523.501742-2.8
23Kato, Ami1810JPNβˆ’10B+134N+107Bβˆ’74N=65B+95N+26B+61N=14B6.037.538.522.751778-5.2
24Gishi, Takeshi1971JPN+126Bβˆ’40N+109B+77N=53Bβˆ’17N+75B=45N+55B6.037.039.023.001831-26.2
25Jang, Seojun1788KOR+134B=10N+4B=19N+74B=16B=39Nβˆ’5N=36B5.547.048.026.501811+16.0
26Lim, Howe Luong1528MAS+30B+136N+9B=12Nβˆ’5Bβˆ’7Bβˆ’23N+104N+63B5.545.046.023.501904+162.8
27Lopez de Anda, Edgar1743HKG=52N=21B+129N+49Bβˆ’18N+35B=34N=16B=32N5.544.546.526.501806+11.0
28Onuma, Kota1779JPN+64B+82Nβˆ’2B=60N+10Bβˆ’29B=32N+62B=35N5.544.048.027.251721-20.8
29Kuroda, Yunosuke1903JPN+88Bβˆ’77N+73B=76N+40B+28N+20Bβˆ’2Nβˆ’7B5.543.047.027.001840-12.8
30Nakanishi, Yuuma1790JPNβˆ’26N+81B+94N=44B=35N+21B+62N=18Bβˆ’11N5.543.046.526.251714-28.4
31Chongstitwattana, Cholapat1590THAβˆ’39N+133B+22N=17B=58N+66Bβˆ’13N=37B+57N5.542.043.024.001840+51.8
32Lee, Onbin1676KOR+85N+61Bβˆ’13N=33B=50B=45N=28B+70N=27B5.541.545.526.251852+38.6
33Summerville, Nathan1847JPNβˆ’60B+91N+95B=32N=55B+54N+76B=3Nβˆ’10B5.541.545.025.251733-23.2
34Abe, Taro1860JPN+106B+43N+77Bβˆ’15N=42B=53N=27Bβˆ’10N+59B5.541.544.524.251775-18.0
35Niori, Toma1606JPN+92B=50N+70Bβˆ’14N=30Bβˆ’27N+104B+40N=28B5.541.044.024.501900+135.6
36Jiang, Luning1627CHNβˆ’2B+96N+92B+63N+104Bβˆ’20Nβˆ’53B+47B=25N5.541.044.022.751871+106.8
37Hasegawa, EmiWCM1745JPN+101Bβˆ’16B+97N+48Nβˆ’20Bβˆ’74N+106B=31N+110B5.536.539.520.751718-5.2
38Kim, Dohyun D1669KOR+139Bβˆ’12N+102Bβˆ’104N+96B=70Nβˆ’45B+64N+115B5.533.033.016.751718+6.2
39Thapa, Lekha Bahadur1845NEP+31B+46N+76B+41N=3Bβˆ’2N=25Bβˆ’8NF5.046.046.025.751831-3.0
40Yokota, Yoshiaki1765JPN+103N+24B=16Nβˆ’1Bβˆ’29N+56B=44Nβˆ’35B+84N5.044.548.024.001767+1.4
41Mooi, Kok Onn Osric1689SGP+131B+80N+104Bβˆ’39B=9N=4Nβˆ’12B+48NF5.041.542.519.751864+32.8
42Lee, Donghyun C1714KOR+100Nβˆ’18B+111N+58B=34Nβˆ’9Bβˆ’11N+93B=44N5.041.044.019.751755+9.6
43Takayama, Tadayoshi1690JPN+119Nβˆ’34Bβˆ’21N+129B+52N+47B+61Nβˆ’13Bβˆ’16N5.040.542.519.001789+30.4
44Cha, Tony1631JPNβˆ’6B+89N+80B=30N=70B=50N=40B=63N=42B5.040.044.022.751812+73.6
45Chen, YueyiWCM1853GERF+121N+65B+51Bβˆ’19N=32B+38N=24BF5.040.040.023.251852+4.4
46Pichon, Mathieu1678FRA+116Nβˆ’39Bβˆ’52N+68B+49Nβˆ’22Bβˆ’21N+87B+75N5.039.542.020.001673-0.6
47Kojima, NatsumiWCM1769JPN+108Nβˆ’75B+87N+21Bβˆ’14Bβˆ’43N+64Bβˆ’36N+88B5.039.042.021.501686-13.4
48Furuse, Mizuki1575JPNβˆ’61N+116B+67Nβˆ’37B+59Nβˆ’11B+66Nβˆ’41B+83N5.039.041.520.001750+72.0
49Chong, Wing Hei0JPN+71B+63Nβˆ’12Bβˆ’27Nβˆ’46B+88N+79B+76Nβˆ’53B5.038.542.521.0017550.0
50Clark, Domenic1812JPN+81N=35Bβˆ’8N+123B=32N=44Bβˆ’110N+86B=56N5.038.540.520.501656-35.4
51Takase, Hayato1676JPN+113Bβˆ’9N+98Bβˆ’45N=64Bβˆ’10N+99B=60N+91B5.038.041.018.501578-38.8
52Takahashi, Taiga0JPN=27B=109N+46Bβˆ’53Nβˆ’43B+124N+94N+83Bβˆ’22N5.037.039.018.7517120.0
53Nguyen Cong Khen1762VIEFF+93N+52B=24N=34B+36Nβˆ’9B+49N5.037.037.024.751848+24.0
54Burgess, Joseph1729JPN+122N+58Bβˆ’18Nβˆ’75B+97Nβˆ’33B+84Nβˆ’21B+111N5.036.538.517.001827+32.8
55Chen, YuefanWCM1703GERF+118N+127B=11B=33Nβˆ’80N+81B+75Bβˆ’24N5.034.534.518.501761+18.4
56Chung, Frederick H.1609TPEβˆ’80B+131Nβˆ’63B=82N+117Bβˆ’40N+96B+71N=50B5.033.034.016.001644+7.6
57Mitsuyama, RikkaWCM1758JPN=21N+123Bβˆ’1N+101Bβˆ’4B+60Nβˆ’10B+69Nβˆ’31B4.545.047.017.501619-52.4
58Otake, Sakae1916JPN+73Bβˆ’54N+124Bβˆ’42N=31B+65N+71Bβˆ’19Bβˆ’21N4.541.043.018.251709-38.8
59Zhang, Yicheng1708JPN+114Bβˆ’20N+64Bβˆ’5Nβˆ’48B=68N+97B+95Nβˆ’34N4.539.542.516.751634-16.6
60Aritro, Dhar1599BAN+33Nβˆ’17B+79N=28Bβˆ’61Nβˆ’57B+125N=51B=67N4.539.541.519.001729+52.4
61Sugimoto, Koichi1826JPN+48Bβˆ’32N+106B=69N+60B=76Nβˆ’43Bβˆ’23B=62N4.539.042.019.001666-37.4
62Ishii, Hibiki1667JPN+102Bβˆ’13B+85Nβˆ’9N+122B+104Nβˆ’30Bβˆ’28N=61B4.538.540.514.751625-12.0
63Karasawa, Yuta1778JPN+68Nβˆ’49B+56Nβˆ’36B=93N=108B+87N=44Bβˆ’26N4.538.041.019.251606-33.0
64Wang, Yifan(BJ)1506CHNβˆ’28N+66Bβˆ’59N+105B=51N+86Bβˆ’47Nβˆ’38B+94N4.537.540.517.501693+88.8
65Wu, Sinian1618CHNβˆ’18N+117Bβˆ’45N+116B=23Nβˆ’58B=101N+90B=66N4.536.038.516.001660+8.8
66Koyama, Nobuyuki1739JPNβˆ’82Bβˆ’64N+89B+91N+107Bβˆ’31Nβˆ’48B+81N=65B4.535.538.517.251561-32.4
67Curtis, Toby1731JPN+96Bβˆ’2Nβˆ’48B+134Nβˆ’110B+82N+107Bβˆ’74N=60B4.534.535.513.751529-77.2
68Du, Jonathan Bao1485USAβˆ’63Bβˆ’69N+113Bβˆ’46N+73B=59Bβˆ’86N+103N+95B4.534.037.016.751598+44.0
69Lau, Tsz Yiu Christ1668HKGβˆ’98N+68B+100N=61Bβˆ’17N+101Bβˆ’115Nβˆ’57B+99N4.533.536.517.251650-3.4
70Ogasa, Seiichi1798JPN=123N+110Bβˆ’35N+108B=44N=38BFβˆ’32B+78N4.533.533.516.251639-30.6
71Kawamura, Takuto1735JPNβˆ’49N+90B=108Nβˆ’128B+100N+93Bβˆ’58Nβˆ’56B+97N4.532.034.016.001641-16.4
72Wang Alison0TPE=109Bβˆ’5Nβˆ’110N+135Bβˆ’108N=90B+112N=94B+93N4.530.031.012.7516150.0
73Ramkumar, Aravindh1623JPNβˆ’58N+122Bβˆ’29Nβˆ’100Bβˆ’68N+119B=116N+117B+98N4.529.031.011.75968-40.0
74Hung, I-Hsuan1617TPEβˆ’4B+120NF+23Bβˆ’25N+37Bβˆ’22N+67Bβˆ’15N4.043.044.018.501733+40.4
75Zhao, Ming0CHN+135B+47Nβˆ’3B+54N+115Bβˆ’18Bβˆ’24Nβˆ’55Nβˆ’46B4.042.043.014.0017370.0
76Fukuda, Toyoaki1703JPN+117N+11Bβˆ’39N=29BF=61Bβˆ’33Nβˆ’49B+101N4.038.040.017.501788+10.8
77Kakishima, Hinata1717JPN+125B+29Bβˆ’34Nβˆ’24Bβˆ’21Nβˆ’81Bβˆ’90N+96N+108B4.037.539.514.001580-43.2
78Lam, Lok Sum1621HKG+5Bβˆ’7Bβˆ’11N+111Nβˆ’80Bβˆ’127N+122B+108Nβˆ’70B4.036.538.515.001686+9.4
79Mamatkulov, Azizjon1766JPN+111Bβˆ’14Nβˆ’60Bβˆ’10N=118B+103Nβˆ’49N=82B+123N4.035.037.011.751570-65.2
80Shishido, Yusuke1873JPN+56Nβˆ’41Bβˆ’44N+81B+78N+55Bβˆ’8NFF4.034.534.518.001693-59.6
81Murugappan N1550INDβˆ’50Bβˆ’30N+120Bβˆ’80N+114B+77Nβˆ’55Nβˆ’66B+105N4.034.036.512.501597+6.0
82Jie, Jingfei0JPN+66Nβˆ’28Bβˆ’83N=56B+123Nβˆ’67Bβˆ’93N=79N+106B4.034.036.014.0016290.0
83Misawa, YukiWCM1682JPN+137Bβˆ’104N+82Bβˆ’20N+99Bβˆ’92N+108Bβˆ’52Nβˆ’48B4.033.533.510.501572-17.8
84Hehir, Stephen1557JPNβˆ’3Bβˆ’92Nβˆ’114B+113N+120B+130Nβˆ’54B+109Nβˆ’40B4.032.533.59.501527-7.6
85Noda, Kyohei0JPNβˆ’32B+99Nβˆ’62Bβˆ’106N+91Bβˆ’109Nβˆ’88B+122N+107B4.030.532.512.5015240.0
86Liang, Haoyang1624CHNFβˆ’128B+125Nβˆ’4N+103Bβˆ’64N+68Bβˆ’50N+127B4.030.530.512.001535-30.8
87Karimov, Ismail1600KGZβˆ’104B+113Nβˆ’47Bβˆ’96N+89B+122Nβˆ’63Bβˆ’46N+130B4.030.031.010.00969-22.6
88Chen, Zixi1620CHNβˆ’29Nβˆ’100Bβˆ’117N+131B+119Nβˆ’49B+85N+123Bβˆ’47N4.030.031.09.501614-2.4
89Yoshida, Sou0JPNβˆ’22Nβˆ’44Bβˆ’66N+133Bβˆ’87N+135Bβˆ’105N+113B+112N4.029.530.58.0014990.0
90Itokazu, Antonio1510JPNβˆ’136Bβˆ’71N+131Bβˆ’92N=102B=72N+77Bβˆ’65N+109B4.029.030.012.001604+25.6
91Li, Chengfei1528CHNβˆ’17Nβˆ’33B+137Nβˆ’66Bβˆ’85N+138B+130N+105Bβˆ’51N4.029.029.04.001501+1.6
92Tanaka, Ryosuke1859JPNβˆ’35N+84Bβˆ’36N+90B+94N+83BFFF4.026.526.515.501723-35.6
93Aditya, Mohajan1593BANβˆ’9B+139Nβˆ’53B+114N=63Bβˆ’71N+82Bβˆ’42Nβˆ’72B3.537.037.09.251401-35.2
94Wong, Linda JaneWCM1619TPEβˆ’20B+114Nβˆ’30B+127Nβˆ’92B+111Nβˆ’52B=72Nβˆ’64B3.535.537.510.251456-20.8
95Kumasaka, Akiho1616JPNβˆ’11N+119Bβˆ’33N=117B+125Nβˆ’23B+98Nβˆ’59Bβˆ’68N3.535.537.59.25945-67.6
96Tsai, Nicholas0USAβˆ’67Nβˆ’36B+112N+87Bβˆ’38N=97Bβˆ’56Nβˆ’77B+116N3.535.037.511.2514950.0
97Yen, Yu-Ting1570TPEβˆ’115B+130Nβˆ’37B+102Nβˆ’54B=96Nβˆ’59N+100Bβˆ’71B3.533.034.09.75947-54.0
98Visvanathan, Kieran Chang0TPE+69Bβˆ’15Bβˆ’51Nβˆ’107N+132B=99Nβˆ’95B+118Nβˆ’73B3.532.533.59.7515420.0
99Kanehara, Hiromichi1564JPNβˆ’13Nβˆ’85B+119N+130Bβˆ’83N=98Bβˆ’51N+116Bβˆ’69B3.532.033.07.75911-24.8
100Kitahara, Fumihiro0JPNβˆ’42B+88Nβˆ’69B+73Nβˆ’71Bβˆ’106N=121Bβˆ’97N+118B3.531.534.012.2515360.0
101Sato, Keito0JPNβˆ’37NF+132Bβˆ’57N+109Bβˆ’69N=65B+107Nβˆ’76B3.530.030.09.2516320.0
102Wada, Ryotaro0JPNβˆ’62N+112Bβˆ’38Nβˆ’97B=90Nβˆ’105Bβˆ’118B+132N+122B3.528.029.08.0014500.0
103Jang, Seungwoo1431KORβˆ’40Bβˆ’124N+139B=109Nβˆ’86Nβˆ’79B+132Nβˆ’68B+117N3.526.026.05.001423-2.0
104Young, Steven D1849USA+87N+83Bβˆ’41N+38Bβˆ’36Nβˆ’62Bβˆ’35Nβˆ’26BF3.039.539.513.501546-63.4
105Abe, Masahiro1649JPN+130Bβˆ’3Nβˆ’5Bβˆ’64Nβˆ’111B+102N+89Bβˆ’91Nβˆ’81B3.037.038.08.50818-131.6
106You, GaramWCM1608KORβˆ’34N+138Bβˆ’61N+85Bβˆ’22N+100Bβˆ’37Nβˆ’111Bβˆ’82N3.036.036.07.50925-35.2
107Kothakota, Satya Sandesh1603JPNβˆ’1N+137Bβˆ’23N+98Bβˆ’66N+116Bβˆ’67Nβˆ’101Bβˆ’85N3.036.036.06.00984-42.8
108Khamkuer, Thanthorn1436THAβˆ’47B+135N=71Bβˆ’70N+72B=63Nβˆ’83Nβˆ’78Bβˆ’77N3.035.036.010.001525+25.6
109Nukui, Michitaka1663JPN=72N=52Bβˆ’24N=103Bβˆ’101N+85B=123Nβˆ’84Bβˆ’90N3.034.536.511.501362-77.6
110Liang, Zhuobin1579CHNFβˆ’70N+72BF+67NF+50Bβˆ’11Bβˆ’37N3.030.530.514.001721+33.6
111Akiyama, Kairi1433JPNβˆ’79N+126Nβˆ’42Bβˆ’78B+105Nβˆ’94BF+106Nβˆ’54B3.029.531.58.001580+52.0
112Zawad, Hussain1576BANβˆ’12Bβˆ’102Nβˆ’96B+137Nβˆ’127B+114Nβˆ’72B+120Nβˆ’89B3.029.029.05.501029-7.6
113Lo, Gareth0HKGβˆ’51Nβˆ’87Bβˆ’68Nβˆ’84B+131Nβˆ’132B+119Nβˆ’89N+126B3.027.028.05.5013250.0
114Solanki, Shambhavi0JPNβˆ’59Nβˆ’94B+84Nβˆ’93Bβˆ’81Nβˆ’112B+137Nβˆ’130B+133N3.024.524.55.0013280.0
115Kanda, Daigo1820JPN+97NF+10BFβˆ’75NF+69BFβˆ’38N3.024.024.014.501808-0.8
116Li, Yu Tung0HKGβˆ’46Bβˆ’48N+118Bβˆ’65N+121Bβˆ’107N=73Bβˆ’99Nβˆ’96B2.531.534.07.2514420.0
117Hernandez, Jino0JPNβˆ’76Bβˆ’65N+88B=95Nβˆ’56Nβˆ’123B+126Bβˆ’73Nβˆ’103B2.531.033.07.7514340.0
118Anobadyo, Shristi Ghosh1448BANβˆ’15Nβˆ’55Bβˆ’116N+138B=79Nβˆ’125B+102Nβˆ’98Bβˆ’100N2.530.030.05.501473+2.0
119Watanabe, Timofei0JPNβˆ’43Bβˆ’95Nβˆ’99B+126Nβˆ’88Bβˆ’73Nβˆ’113B+131N=120B2.528.029.04.2513510.0
120FIDE 70078410β€”βˆ’8Nβˆ’74Bβˆ’81N+139Bβˆ’84Nβˆ’129B+133Nβˆ’112B=119N2.527.027.02.257840.0
121Deno, Masahiko1554JPNβˆ’7Nβˆ’45B+138Nβˆ’22Bβˆ’116N+133B=100NFF2.524.524.52.751010-22.4
122Okita, Ken0JPNβˆ’54Bβˆ’73N+126B+124Nβˆ’62Nβˆ’87Bβˆ’78Nβˆ’85Bβˆ’102N2.031.533.54.0014850.0
123Wang, Minrui1545JPN=70Bβˆ’57NFβˆ’50Nβˆ’82B+117N=109Bβˆ’88Nβˆ’79B2.031.532.56.251463-22.4
124Toyota, Yusuke1630JPNβˆ’16N+103Bβˆ’58Nβˆ’122B+129Nβˆ’52BFFF2.026.026.05.501703+5.6
125Nakamura, Junko0JPNβˆ’77NFβˆ’86B+132Nβˆ’95B+118Nβˆ’60BFβˆ’129N2.021.521.53.5014340.0
126Lin, Yu-Fei1632TPEβˆ’24Nβˆ’111Bβˆ’122Nβˆ’119Bβˆ’133N+131Bβˆ’117N+137Bβˆ’113N2.021.021.01.00903-34.8
127Handika, Rangga0JPNFFβˆ’55Nβˆ’94B+112N+78BFFβˆ’86N2.019.519.57.0015570.0
128Erkoc, Vedat1854JPNF+86Nβˆ’19B+71NFFFFF2.018.518.58.501806-3.6
129Inoue, Satomi1507JPNFFβˆ’27Bβˆ’43Nβˆ’124B+120NFF+125B2.017.017.04.50888-31.6
130FIDE 163058170β€”βˆ’105Nβˆ’97BFβˆ’99NFβˆ’84Bβˆ’91B+114Nβˆ’87N1.026.026.03.007710.0
131Ramkumar, Aaradh0JPNβˆ’41Nβˆ’56Bβˆ’90Nβˆ’88Nβˆ’113Bβˆ’126NFβˆ’119B+137N1.025.525.50.008110.0
132Matsumoto, Shinji1636JPNβˆ’14BFβˆ’101Nβˆ’125Bβˆ’98N+113Nβˆ’103Bβˆ’102BF1.025.025.03.00909-34.8
133Ismailov, Bolotbek0KGZFβˆ’31Nβˆ’134Bβˆ’89N+126Bβˆ’121Nβˆ’120BFβˆ’114B1.020.520.52.0013820.0
134Ishitsu, Mike1524JPNβˆ’25Nβˆ’23B+133Nβˆ’67BFFFFF1.018.018.01.00976-23.2
135Ravneet, Kaur1643JPNβˆ’75Nβˆ’108BFβˆ’72N+137Bβˆ’89NFFF1.017.517.50.00639-15.2
136Ursely, Arthur1781FRA+90Nβˆ’26BFFFFFFF1.013.513.54.001522-12.8
137FIDE 5470378300β€”βˆ’83Nβˆ’107Nβˆ’91Bβˆ’112Bβˆ’135NFβˆ’114Bβˆ’126Nβˆ’131B0.021.021.00.008040.0
138FIDE 70066830β€”βˆ’19Bβˆ’106Nβˆ’121Bβˆ’118NFβˆ’91NFFF0.018.018.00.007560.0
139Tavakalov, Doolatbek0KGZβˆ’38Nβˆ’93Bβˆ’103Nβˆ’120NFFFFF0.015.015.00.007650.0

Key insights

Biggest movers and upsets β€” the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
Japan Open 2025(Challenger Category) β€” Tokyo, Japan | Chess Tournament Results | ChessStats