Big name in chess

• He checks the blue pens qualify
• Loser to Fischer in Reykjavik
• Chess champ Boris
• Bobby Fischer opponent Boris ___
• Fischer beat him in Reykjavik
• 1972 Match of the Century name
• Loser to Fischer in 1972's "Match of the Century"
• Former chess champion Boris

Wikipedia Word definitions in Wikipedia
Spassky (; masculine), Spasskaya (; feminine), or Spasskoye (; neuter) is the name of several rural localities in Russia .