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Dutch Defense

1 • Ultimatthi •
  1. Main Line
  2. Main Line: Knight Exchange
  3. Main Line: Queen Move
  4. Fianchetto Line
  1. Ultimatthi

King's Gambit

1 • Ultimatthi •
  1. Accepted Fischer Defense
  1. Ultimatthi

Game study

1 • Ultimatthi •
  1. lossfortime - Ultimatthi
  1. Ultimatthi