# Yuki's Session — Chapter 13 Worked Example | The Defensible Decision > The reroll timeline and diagnostic scorecard behind Yuki’s 1:47 a.m. dashboard-polish session in Chapter 13 of The Defensible Decision. Four iterations, five diagnostics, one shipped dashboard that runs below the WCAG contrast threshold. The scenario is about the CYCLE and the SCORECARD, not reconciled numbers. Canonical URL: https://www.thedefensibledecision.com/datasets/yuki-session/ [Teaching Datasets](/datasets/) / Yuki's Session — Chapter 13 Worked Example The reroll timeline and diagnostic scorecard behind Yuki’s 1:47 a.m. dashboard-polish session in Chapter 13 of The Defensible Decision. Four iterations, five diagnostics, one shipped dashboard that runs below the WCAG contrast threshold. The scenario is about the CYCLE and the SCORECARD, not reconciled numbers. ### Files Markdown files open in the browser. Data files download directly. [Markdown README.md 3.5 KB](/datasets/yuki-session/README.md) [Markdown SCHEMA.md 1.8 KB](/datasets/yuki-session/SCHEMA.md) [CSV yuki-session.csv 1.0 KB](/datasets/yuki-session/yuki-session.csv) [JSON yuki-session.json 2.9 KB](/datasets/yuki-session/yuki-session.json) Start with [README.md](/datasets/yuki-session/README.md) for purpose and limitations, then use [SCHEMA.md](/datasets/yuki-session/SCHEMA.md) for field definitions.