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Get Started Free →Prepare for a specific contest — a competitive deal, a negotiation, a market entry, a turf fight — using the actual planning framework from Sun Tzu's Art of War: the five factors, the calculations before battle, and winning without fighting. Use when facing a competitor head-to-head, preparing a bake-off or RFP, entering a rival's market, or picking which fight to have. Produces a strategy brief with a fight/no-fight verdict.
.claude/skills/mohitagw15856-sun-tzu-strategy-brief/SKILL.md| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-01 | ✗→✓ | ▲ Improved | 2% | 0% |
| case-04 | ✗→✓ | ▲ Improved | 6% | 0% |
| case-06 | ✗→✓ | ▲ Improved | -10% | 0% |
| case-10 | ✗→✓ | ▲ Improved | 24% | 0% |
| case-14 | ✗→✓ | ▲ Improved | -2% | 0% |
One-line summary of the value this skill delivers. <!-- TODO: rewrite -->
Ask for (if not already provided):
<!-- TODO: a concrete template (headings/tables) of the final artifact -->
| Case | Status | Duration (ms) | Turns | Tokens | Tool calls | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Without | With | Δ | Without | With | Δ | Without | With | Δ | Without | With | Δ | ||
case-01 | fail→pass | 25,320 | 24,158 | -5% | 1 | 1 | 0% | 2,961 | 3,015 | +2% | 0 | 0 | — |
case-02 | pass→pass | 31,387 | 48,954 | +56% | 1 | 1 | 0% | 3,335 | 3,443 | +3% | 0 | 0 | — |
case-03 | fail→fail | 14,311 | 20,571 | +44% | 1 | 1 | 0% | 2,072 | 2,176 | +5% | 0 | 0 | — |
case-04 | fail→pass | 23,990 | 19,167 | -20% | 1 | 1 | 0% | 2,826 | 2,982 | +6% | 0 | 0 | — |
case-05 | fail→fail | 26,829 | 31,449 | +17% | 1 | 1 | 0% | 3,134 | 3,959 | +26% | 0 | 0 | — |
case-06 | fail→pass | 28,853 | 23,448 | -19% | 1 | 1 | 0% | 3,290 | 2,977 | -10% | 0 | 0 | — |
case-07 | fail→fail | 21,538 | 22,880 | +6% | 1 | 1 | 0% | 2,577 | 2,298 | -11% | 0 | 0 | — |
case-08 | fail→fail | 23,337 | 18,203 | -22% | 1 | 1 | 0% | 2,558 | 2,750 | +8% | 0 | 0 | — |
case-09 | pass→pass | 30,174 | 29,197 | -3% | 1 | 1 | 0% | 3,258 | 3,582 | +10% | 0 | 0 | — |
case-10 | fail→pass | 23,798 | 18,482 | -22% | 1 | 1 | 0% | 2,119 | 2,636 | +24% | 0 | 0 | — |
case-11 | pass→pass | 19,725 | 16,250 | -18% | 1 | 1 | 0% | 2,849 | 2,186 | -23% | 0 | 0 | — |
case-12 | pass→pass | 28,784 | 38,983 | +35% | 1 | 1 | 0% | 3,374 | 5,235 | +55% | 0 | 0 | — |
case-13 | fail→fail | 17,188 | 15,483 | -10% | 1 | 1 | 0% | 2,800 | 2,369 | -15% | 0 | 0 | — |
case-14 | fail→pass | 23,231 | 16,407 | -29% | 1 | 1 | 0% | 2,685 | 2,637 | -2% | 0 | 0 | — |
case-15 | pass→pass | 19,039 | 29,132 | +53% | 1 | 1 | 0% | 2,861 | 4,537 | +59% | 0 | 0 | — |
case-16 | fail→fail | 13,258 | 20,929 | +58% | 1 | 1 | 0% | 1,717 | 3,144 | +83% | 0 | 0 | — |
case-17 | fail→pass | 26,230 | 23,613 | -10% | 1 | 1 | 0% | 3,754 | 3,361 | -10% | 0 | 0 | — |
case-18 | pass→pass | 17,124 | 41,147 | +140% | 1 | 1 | 0% | 2,425 | 3,365 | +39% | 0 | 0 | — |
case-19 | fail→pass | 18,686 | 26,150 | +40% | 1 | 1 | 0% | 2,906 | 4,131 | +42% | 0 | 0 | — |
case-20 | pass→pass | 25,499 | 43,884 | +72% | 1 | 1 | 0% | 3,312 | 5,720 | +73% | 0 | 0 | — |
case-21 | pass→fail | 21,775 | 30,947 | +42% | 1 | 1 | 0% | 3,471 | 4,255 | +23% | 0 | 0 | — |
case-22 | pass→pass | 20,272 | 29,799 | +47% | 1 | 1 | 0% | 3,136 | 5,854 | +87% | 0 | 0 | — |
DecimalAI ran this skill against gemini-3.6-flash twice over the same eval suite — once with the skill loaded and once without — and compared the two runs case by case. 22 cases were attempted. The headline lift of +27 percentage points is the difference between those two pass rates over the 22 comparable cases. 1 case got worse with the skill loaded, and it is included in that figure.
Without the skill loaded, the model failed this case. With it loaded, the same prompt on the same model passed. This is one improved case from the latest verified run; every case, including any that regressed, is in the table above.
Other measured skills in the registry, with their headline benchmark lift.