China regretted losing first place in the 65th IMO Mathematical Olympiad, and its five consecutive championship reign was ended by the US team

Accident! The ultimate showdown in the Global Mathematical Olympiad, the 65th IMO, China lost the first place in the team by 2 points...

Failed to defend the title, and the "five consecutive championships" were ended.

This time, 6 Chinese players won a total of 5 gold medals and 1 silver medal, with a total score of 190 points. The team ranked second, behind the American team.

The Chinese team has won the first place in IMO 24 times in total; For the past 5 consecutive years, the Chinese team has been the team champion, which is as dominant as table tennis.

But now, the throne has changed hands, and the "China Second Team" has taken over.

Except for regrets, among the six players in China this year, after Luo Wei, Fu Yunhao, and Wei Dongyi, there is the 4th player in the history of the Chinese team to achieve double perfect scores in IMO (obtaining perfect scores for two consecutive years):

Shi Haojia from Hailiang Senior High School, Zhuji City, Zhejiang Province.

In this IMO, he won the gold medal with the first place in personal score and was the only player with perfect scores in the competition.

In addition, the Indian team ranked fourth for the first time (ninth last year), and the Swedish team won one silver, three bronze and two honorary awards for a long time. All six players won the award, which attracted a lot of attention.

Okay, let’s read on for more details about this IMO~

The Chinese team unfortunately lost the first place

This IMO was held in Bath, UK, with 609 players from 108 countries The contestants competed fiercely for 2 days, about 4.5 hours each day.

A total of 54 gold medals (gold line 29 points), 121 silver medals (silver line 22 points), 145 bronze medals (bronze line 16 points), and 170 honorable mentions.

In the end, the American team, the Chinese team, and the Korean team won the team championship, second and third place respectively.

• The champion team USA scored a total of 192 points, winning 5 golds and 1 silver.

Among them, Jessica Wan is the only female player on the US team. She comes from Florida Virtual School. From 2021 to 2024, Jessica Wan has won four consecutive EGMO gold medals.

The results of the 6 participants are as follows:

• The runner-up Chinese team scored a total of 190 points and won 5 golds and 1 silver.

The six contestants are:

• Shi Haojia: Gold medal, Grade 2, Hailiang Senior High School, Zhuji City, Zhejiang Province (the only perfect score in the competition)

• Xu Qiming: Gold medal, Grade 1, Wuhan Economic Development Foreign Languages ​​Senior High School

• Wang Chunji: Gold Medal, Grade Two, Shanghai Middle School

• Deng Zhewen: Gold Medal, Grade One, Wuchang Experimental Middle School of Hubei Province

• Wang Xianbang: Gold Medal, Grade Two, High School Affiliated to Renmin University of China

• Ye Yuxing: Silver medal, Grade 1, High School Affiliated to Renmin University of China

The results of the 6 participants are as follows:

• The third runner-up Korean team scored 168 points and won 2 gold and 4 gold medals silver.

The results of the 6 participants are as follows:

The fifth question was difficult for most contestants, and another double-perfect scorer was born

This year, the Chinese team unfortunately lost the first place, and there were objective external reasons for the question.

Judging from the official results, the fifth question this time was difficult for a large number of contestants.

In the fifth question, 5 people from the American team scored 7 points, and 1 person scored 0 points.

On the Chinese team, 3 players scored 7 points, 1 player scored 1 point, and 2 players scored 0 points.

Many netizens found that not only did some Chinese team members stumble on this question, but many players also performed poorly on question 5.

美國隊前總教練羅博深提到，IMO 也愈發注重選手們創造性解題的能力，比如今年討論聲音很多的第5 題，這是一道不按常理出牌的組合題，非常需要大家發揮創意來進行解題。

很多選手可能因為太習慣常規訓練反而一時手足無措，相反能夠善用數學思維的選手可能會覺得這道題解決起來格外輕鬆。

除了題目上的“意外”，此次對手也很強大。

像此次終結中國五連冠統治的美國隊，像 Alexander Wang 去年就 41 分（滿分 42）的成績獲得 IMO 金牌，今年只有 16 歲。

• Jessica Wan，則是連續四年獲歐洲女子數學馬拉鬆比賽 EGMO 金牌。

• Qiao (Tiger) Zhang，拉馬努金精神獎學金得主，2024 年獲 RMM 金牌。

• Linus Tang，2024 年獲得 RMM 金牌。

▲ 從左到右：Jessica Wan、Alexander Wang、Tiger Zhang、Jordan Lefkowitz、Carl Schildkraut（副隊長）、Krishna Pothapada、Linusan Lefkowitz、Carl Schildkraut（副隊長）、Krishna Pothapada、Linus Tangada、Linus高，也被不少人戲稱是「中國二隊」。

而美國隊之所以取得這樣的成就，背後的這位男人功不可沒。

那就是前總教練羅博深

，執教十年率隊四次獲得團隊冠軍，盤活了整個美國奧數國家隊。

△

圖源：Quanta Magazine今年，羅博深雖然不是主教練了，但還是在美國數學學會邀請下操辦了 MOP（奧林匹克夏季數學訓練課程）。此次六名參賽隊員，正是由他親自選拔出來。

其他國家隊伍，其實也正在崛起之中。

例如像此次首次獲得第四名的印度，讓人印象深刻。這次他們拿下了四面金牌，而上一屆還只是排名第九。

還有像​​排名第 6 的新加坡、排名第 16 的蒙古隊。

不過，中國隊雖然痛失六連冠，但也有驚喜和值得關注的點。

例如像此次收穫全場唯一滿分、來自海亮高級中學的史皓嘉，去年同樣也收穫了奧賽滿分。

他成為羅煒、付雲皓、韋東奕之後，中國又一位 IMO 奧賽雙滿分選手，而今年他才只有 16 歲。

▲ 圖源海亮高級中學

據此前的報道，史皓嘉 9 歲就修完了初中數學課程，10 歲便在迎春杯全國小學數學競賽嶄露頭角，收穫金獎。

他的競賽教練，同時也是他就讀的海亮高級中學校長張小明評價：

如果說他有什麼特質的話，那就是他學習的驅動力來自於他對數學的熱愛，而不是其他外在的東西。

有時要是遇到很難的題，他就是不睡覺也要把題解出來。

丘成桐「預警」有新證明了？

2 個月前，數學家丘成桐對現階段中國數學水準的論斷，當時引起了極大的爭議。

他在做客華中科技大學並發表「中國數學的現狀和將來」演講時表示，任何一個強大的現代化國家，數學成就必須名列前茅，英國、法國、美國、俄羅斯、日本等國都有很高水平。

而中國數學還沒有到達這個成就。

演講 PPT 上，丘成桐更是直言不諱：

中國現今數學還沒有達到美國 20 世紀 40 年代的水平

。

但丘成桐也在演講中提到了下這個判斷的原因。

一方面，是美國在 1880 年起開始派留學生到歐洲學習數學，後來又大量吸收數學家。如此這般，迅速在不到 150 年的時間裡，迅速成為世界數學中心。

另一方面，國內有如圖所示種種障礙坎坷。所以，現代中國數學處於危急存亡之秋。

其實這也不是丘成桐第一次公開說類似的話。

此前多年的多次對外發言，他都提過中國現代數學，離世界尖端還有所差距。

例如咱們還面臨人才流失和缺少的情況。

再比如，“中國目前更偏重應用數學，理論數學的發展有待加強。後者需要經過痛苦、孤立的思考過程。”

但丘老今年這個論斷之後，罕見被諸多非數學研究人士抨擊，認為在長他人誌氣滅自己威風。

有一些反對者，當時舉出的回應案例就是中國在 IMO 長年保持的統治力……

而現在最新結果面前，重新審視丘老國士冷峻之外，也需要更加實事求是了。

以及，190 的高分和世界第二名，依然是非常好的成績，恭喜所有的選手們，未來可期。

最後附上今年的IMO 題目，有興趣的朋友可以試試~

參考連結：

• [1][1] year_info.aspx

  ?year=2024

• [2]https://mp.weixin.qq.com/s/0ois6AvN69aZB36lzxA9ww

usa-first-at-imo/

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