Mezue ahịrịokwu na-esonụ: E bipụtara nchebe a na 1843 na Paul Rudolf von Bilguer's "Handbuch des Schachspiels" ma nyochaa Henry Bird na ngwụsị narị afọ nke 19. Nnụnụ gbara ya dị ka Black ma ọ dịkarịa ala ugboro 25, na-agụta +9 = 3 -13 (mmeri itoolu, atọ na-adọta, iri na atọ na-efunahụ). E mechara jiri Bird's Defence mee ihe ugboro ole na ole na asọmpi nke Siegbert Tarrasch, Boris Spassky, na Alexander Khalifman. Ọ bụ ezie na a ka na-ahụ ya mgbe ụfọdụ dị ka ngwa agha na-eju anya, ọ nweghị nna ukwu siri ike kemgbe Bird jiri ya mee ihe mgbe niile. Onye mmeri ụwa bụ Magnus Carlsen gbara ya dị ka nwa n'ime
2014 Chess Olympiad megide Ivan Šarić ma tufuo.