Battle replay

Sonar Pro vs Gemini 2.5 Pro

tree_0011 · Welcome

Sonar Pro · Much Better

WIDE

Rounds

2 - 0

Final Score

27,312

Tokens

$0.27

Cost

Round 4

Mode

← Back to battles·View source page·round4/R4_M0_ppl-sonar-pro-high_vs_gemini-2.5-pro-grounding_tree_0011.log

Timeline

Arrow keys or j/k move between rounds.

Round 1 of 1

Round Context

Depth 2Width 2Mercy rule

Logic Chain

Root

Welcome

Step 2

Evaluation and correction of fertility data

Question

Identify the digital resource that describes itself as the 'direct line of descent' from the UN Manual X and is a joint project of the IUSSP and UNFPA dedicated to demographic estimation from limited or defective data. Within this resource, locate the specific chapter or tool authored by T.A. Moultrie titled 'Evaluation and correction of fertility data'. Provide the full 'Suggested citation' for this chapter, specifically ensuring you list the publication year and the names of all editors associated with the parent volume.

Answer length: 100-200 words.

Show hidden checklists

Depth checklist

Identified Resource: Tools for Demographic Estimation (IUSSP/UNFPA)
Identified Logic: Project serves as successor to UN Manual X
Identified Specific Chapter: Evaluation and correction of fertility data

Width checklist

Chapter Author: Moultrie TA
Publication Year: 2011
Chapter Title: Evaluation and correction of fertility data
Parent Volume Title: Tools for Demographic Estimation
Editors: Moultrie TA, Dorrington RE, Hill AG, Hill K, Timæus IM, and Zaba B

Examiner rationale

The question requires Deep Reasoning to identify the parent project ('Tools for Demographic Estimation') using its historical lineage (UN Manual X) and organizational affiliation (IUSSP/UNFPA) without being given the name directly. It then requires Wide Aggregation to locate a specific sub-document (the fertility chapter) and extract granular bibliographic details (editors, year) that are distinct from the general project description.

Judgment

Much Better

WIDE

Score 2 - 0

Agent A followed the Ground Truth checklist perfectly, specifically regarding the publication year (2011) and the precise spelling of the editors' names (Timæus). Agent B provided the year 2013 (likely the print edition year, but the prompt asked for the digital resource and the Ground Truth specified 2011) and anglicized the name Timaeus. Agent A also utilized better formatting (bolding) to make the specific citation details stand out.

Evolution step

[GAME OVER] Mercy Rule Triggered (Diff >= 2.0)!

Sonar Pro

Perplexity

7.1s

The digital resource is **“Tools for Demographic Estimation”**, which explicitly describes itself as the “direct line of descent” from the UN *Manual X* and is a joint project of the **IUSSP** and **UNFPA** devoted to demographic estimation from limited or defective data.[5] Within this resource, the chapter/tool by **T.A. Moultrie** titled **“Evaluation and correction of fertility data”** appears under the fertility section.[2][4] The site gives the following *Suggested citation* for this chapter: **Moultrie, T.A. 2011. Evaluation and correction of fertility data. In Moultrie, T.A., Dorrington, R.E., Hill, A.G., Hill, K., Timæus, I.M. and Zaba, B. (eds), *Tools for Demographic Estimation*. Paris: International Union for the Scientific Study of Population.**[2][4] ## References [1] Demographic Research article mentioning Manual X [2] “Evaluation and correction of fertility data” – Tools for Demographic Estimation [4] Chapter structure page – “Evaluation and correction of fertility data” [5] “Introduction” – Tools for Demographic Estimation (description and lineage from Manual X)

Gemini 2.5 Pro

Google

11.2s

The digital resource is *Tools for Demographic Estimation*, which describes itself as the "direct line of descent" from the UN *Manual X* [1]. It is a joint project of the International Union for the Scientific Study of Population (IUSSP) and the United Nations Population Fund (UNFPA), focused on demographic estimation using limited or defective data [1]. Within this resource, the chapter titled "Evaluation and correction of fertility data" is authored by T.A. Moultrie [2]. The full suggested citation for this chapter, including the publication year and all editors of the parent volume, is as follows: Moultrie TA. 2013. "Evaluation and correction of fertility data." In: Moultrie TA, Dorrington RE, Hill AG, Hill K, Timaeus IM and Zaba B (eds). *Tools for Demographic Estimation*. Paris: International Union for the Scientific Study of Population [2]. ## References 1. IUSSP. (n.d.). *About Tools for Demographic Estimation*. Retrieved from demographic-estimation.iussp.org/content/about 2. Moultrie, T.A. (2013). Evaluation and correction of fertility data. In T.A. Moultrie, R.E. Dorrington, A.G. Hill, K. Hill, I.M. Timaeus, & B. Zaba (Eds.), *Tools for Demographic Estimation*. International Union for the Scientific Study of Population. Retrieved from demographic-estimation.iussp.org/content/evaluation-and-correction-fertility-data