11. Garry Kasparov (Russia)
- Reign: World Champion 1985–2000.
- 2. Anatoly Karpov (Russia)
- Reign: World Champion 1975–1985 (undisputed), FIDE Champion 1993–1999.
- 3. Viswanathan Anand (India)
- Reign: FIDE World Champion 2000–2002 (peak in 1990s).
- 4 Vladimir Kramnik (Russia)
- Reign: Classical World Champion 2000–2007 (active 1990s).
- 5. Viktor Korchnoi (Soviet Union/Switzerland) [1]
- Active Period: 1970s–1990s (World Championship challenger 1978, 1981).
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