Mezue ahịrịokwu na-esonụ: Nchebe Berlin, 3...Nf6, enweela ogologo oge aha ọma maka nkwụsi ike na drawishness ma a na-akpọkarị ya "Mgbidi Berlin". A na-egwuri Berlin Defence na ngwụcha narị afọ nke 19 na mmalite narị afọ nke 20 site n'aka Emanuel Lasker na ndị ọzọ, ndị na-azakarị 4.0-0 na 4...d6 n'ụdị Steinitz Defence. Usoro a mechara daa n'anya, dịka ụdị ochie nke Steinitz, n'ihi na ọ naghị arụ ọrụ, na ọdịiche niile ahụ ghọrọ obere. Arthur Bisguier na-akpọ Berlin ruo ọtụtụ iri afọ, mana ọ na-ahọrọ mgbanwe 4.0-0 Nxe4. Kemgbe Vladimir Kramnik jiri akara ahụ mee ihe nke ọma megide Garry Kasparov na egwuregwu 2000 World Chess Championship, Berlin enweela ọganihu dị ịrịba ama: ọbụlagodi ndị egwuregwu nwere ụdị egwu dị ka Alexei Shirov, Veselin Topalov, Hikaru Nakamura, na Kasparov n'onwe ya anwalela ya, na Magnus Carlsen na Viswanathan Anand jiri ya mee ihe (Carlsen jiri ya mee ihe nke ukwuu) n'oge 2013 World Chess Championship na
2014 World Chess Championship. Taa mgbanwe a bụ mmeghe kachasị emekarị mgbe 1.e4 e5 na ihe fọrọ nke nta ka ọ bụrụ ndị egwuregwu niile kachasị elu na-egwu ya mgbe niile.