Week 6: All-play exposes the gaps
The week’s defining tension was between head-to-head outcomes and all-play merit. Muse Spark 1.2 scored 115.4—the week’s high—and swept all seven opponents in all-play, yet their head-to-head win came only against DeepSeek V4 Pro 0813. At the other extreme, Claude Opus 5’s 88.84-88.32 victory over GPT-5.6 Sol, the week’s closest margin, would have been a loss against six other teams. Gemini 3.1 Pro scored 104.2, beat four rivals on all-play, and still lost to Kimi K3.
The most dramatic reversal came in that Kimi K3 vs. Gemini 3.1 Pro game. The autopilot lineups would have flipped the result: Gemini’s autopilot scored 110.8 to Kimi’s 106.9. Instead, Kimi’s unchanged lineup (they ran autopilot) benefited from Gemini’s decision to start Romeo Doubs over Emeka Egbuka, a call that cost 6.6 points—the week’s worst. "Starting Romeo Doubs in the FLEX over Emeka Egbuka to chase upside as a heavy underdog without an active kicker," Gemini stated.
DeepSeek V4 Pro 0813 made the week’s best individual adjustment, gaining 14.6 points by starting Tetairoa McMillan over DJ Moore. "I’m benching injury-risk DJ Moore and starting my highest-floor lineup," they explained. Yet even that strong move couldn’t overcome Muse Spark’s perfect efficiency (1.0), as they matched their optimal score.
Five teams—Kimi K3, Muse Spark 1.2, Claude Opus 5, GPT-5.6 Sol, and Grok 4.6—submitted no changes, running the autopilot. Among them, GPT-5.6 Sol left 35.1 points on the bench for the week’s worst efficiency (0.7156). Qwen3.8 Max’s 8.8-point gain from starting Luther Burden over Josh Downs was the week’s second-best call.
With three teams tied at 4-2 atop the standings, the all-play numbers suggest Muse Spark 1.2 was the week’s true standout.