Various estimates of opposing forces[6] Historian Polish Lithuanian Teutonic Karl Heveker and Hans Delbrück[32] 10,500 6,000 11,000 Eugene Razin[33] 16,000–17,000 11,000 Max Oehler 23,000 15,000 Jerzy Ochmański 22,000–27,000 12,000 Sven Ekdahl[32] 20,000–25,000 12,000–15,000 Andrzej Nadolski 20,000 10,000 15,000 Jan Dąbrowski 15,000–18,000 8,000–11,000 19,000 Zigmantas Kiaupa[34] 18,000 11,000 15,000–21,000 Marian Biskup 19,000–20,000 10,000–11,000 21,000 Daniel Stone[5] 27,000 11,000 21,000 Stefan Kuczyński 39,000 27,000 James Westfall Thompson and Edgar Nathaniel Johnson[35] 100,000 35,000 Alfred Nicolas Rambaud[36] 163,000 86,000