System bet na-etinye accumulator nwere ike nile nke nha ụfọdu gara n'otu ntuli: Trixie na ntuli atọ bụ doubles atọ yana treble (bet 4), Yankee na ntuli anọ bụ doubles isii, trebles anọ na four-fold (bet 11). Otu akpa na-ada adịghị akpọ ihe nile — nggborọ na-enweghị ya ka na-agbara ngwa ngwa.
Sistema na-ebuza ego: kwa nggborọ na-ewe ego ya sooro, n'ihi na '£1 Yankee' na-efu £11. Sistemu na-agbanwe accumulator nke 'ọma-ma-ọ dị mma' gaa na nke dị mma n'anya ma ọ bụ ịtụ ọtụtụ akpa ka ị kwuo isi.
£1 Trixie (£4 n'okwu: doubles 3 + treble 1) na ntuli 2.0 / 2.0 / 2.0. Ntuli atọ nile na-apụta: a na-enweghị £4×... doubles na-ekwu £3×£4=£12? — kwa double na-akwu £1×4=£4, treble £8, okwesịbụ £20 site n'ego £4. Ntuli abụọ na-apụta: double otu na-enwelu, £4 laghachi site na £4 e zụrụ. Isi mgbochi nke sistemu na-achọ abụọ nke atọ, ọ bụghị otu.