Which Countries Have Produced the Most Candidates Tournament Players? (1948–2025)

☭ Soviet Union: 26 (Alexander Beliavsky, Alexander Chernin, Alexander Kotov, Anatoly Karpov, Andor Lilienthal, Andrei Sokolov, Artur Yusupov, Boris Spassky, David Bronstein, Efim Geller, Garry Kasparov, Igor Bondarevsky, Isaac Boleslavsky, Jaan Ehlvest, Leonid Stein, Lev Polugaevsky, Mark Taimanov, Mikhail Botvinnik, Mikhail Tal, Paul Keres, Rafael Vaganian, Salo Flohr, Sergey Dolmatov, Tigran Petrosian, Vasily Smyslov, Yuri Averbakh)
🇷🇺 Russia: 17 (Alexander Grischuk, Alexander Khalifman, Alexander Morozevich, Alexey Dreev, Andrei Kharlov, Andrey Esipenko, Dmitry Andreikin, Evgeny Bareev, Ian Nepomniachtchi, Kirill Alekseenko, Peter Svidler, Sergei Rublevsky, Sergei Tiviakov, Sergey Karjakin, Valery Salov, Vladimir Kramnik, Vladimir Malakhov)
🇺🇸 United States: 11 (Bobby Fischer, Boris Gulko, Fabiano Caruana, Gata Kamsky, Hikaru Nakamura, Pal Benko, Reuben Fine, Robert Byrne, Samuel Reshevsky, Wesley So, Yasser Seirawan)
🇭🇺 Hungary: 8 (András Adorján, Gyula Sax, Judit Polgár, Lajos Portisch, Laszlo Szabo, Peter Leko, Richárd Rapport, Zoltán Ribli)
🇫🇷 France: 5 (Alireza Firouzja, Etienne Bacrot, Joël Lautier, Maxime Vachier-Lagrave, Vladislav Tkachiev)
🇳🇱 Netherlands: 5 (Anish Giri, Jan Timman, Loek Van Wely, Max Euwe, Paul Van der Sterren)
🇩🇪 Germany: 4 (Christopher Lutz, Matthias Blübaum, Robert Hübner, Wolfgang Uhlmann)
🇮🇳 India: 4 (Dommaraju Gukesh, Rameshbabu Praggnanandhaa, Santosh Gujrathi Vidit, Viswanathan Anand)
🇦🇷 Argentina: 3 (Hermann Pilnik, Miguel Najdorf, Oscar Panno)
🇦🇿 Azerbaijan: 3 (Nijat Abasov, Shakhriyar Mamedyarov, Teimour Radjabov)
🇨🇳 China: 3 (Ding Liren, Wang Hao, Wei Yi)
🏴󠁧󠁢󠁥󠁮󠁧󠁿 England: 3 (Jon Speelman, Michael Adams, Nigel Short)
🇺🇦 Ukraine: 3 (Oleg Romanishin, Ruslan Ponomariov, Vassily Ivanchuk)
Yugoslavia: 3 (Borislav Ivkov, Predrag Nikolić, Svetozar Gligorić)
🇦🇲 Armenia: 2 (Levon Aronian, Vladimir Akopian)
🇨🇺 Cuba: 2 (Jesús Nogueiras, Leinier Domínguez)
🇨🇿 Czechoslovakia: 2 (Miroslav Filip, Vlastimil Hort)
🇮🇸 Iceland: 2 (Friðrik Ólafsson, Jóhann Hjartarson)
🇮🇱 Israel: 2 (Boris Gelfand, Leonid Yudasin)
🇵🇱 Poland: 2 (Jan-Krzysztof Duda, Michal Krasenkov)
🇺🇿 Uzbekistan: 2 (Javokhir Sindarov, Rustam Kasimdzhanov)
🇧🇷 Brazil: 1 (Henrique Mecking)
🇧🇬 Bulgaria: 1 (Veselin Topalov)
🇨🇦 Canada: 1 (Kevin Spraggett)
🇨🇿 Czech Republic: 1 (Sergei Movsesian)
🇩🇰 Denmark: 1 (Bent Larsen)
🇳🇴 Norway: 1 (Magnus Carlsen)
🇵🇭 Philippines: 1 (Eugenio Torre)
🇷🇴 Romania: 1 (Liviu-Dieter Nisipeanu)
🇪🇸 Spain: 1 (Alexei Shirov)
🇸🇪 Sweden: 1 (Gideon Ståhlberg)
🇨🇭 Switzerland: 1 (Viktor Korchnoi)
🇹🇷 Turkey: 1 (Mikhail Gurevich)

Source: https://en.wikipedia.org/wiki/Candidates_Tournament

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