[
  {"name": "snapshot",        "overrides": {}},
  {"name": "10pct_no_clamp",  "overrides": {"base_mmr_delta_pct": 0.10, "max_mmr_delta_pct": 0.30, "delta_expansion_rate_pct": 0.05, "delta_expansion_warmup_start_fraction": 0.1}},
  {"name": "10pct_floor300",  "overrides": {"base_mmr_delta_pct": 0.10, "max_mmr_delta_pct": 0.30, "delta_expansion_rate_pct": 0.05, "delta_expansion_warmup_start_fraction": 0.1, "mmr_floor": 300}},
  {"name": "10pct_ceil1000",  "overrides": {"base_mmr_delta_pct": 0.10, "max_mmr_delta_pct": 0.30, "delta_expansion_rate_pct": 0.05, "delta_expansion_warmup_start_fraction": 0.1, "mmr_ceiling": 1000}},
  {"name": "10pct_300_1000",  "overrides": {"base_mmr_delta_pct": 0.10, "max_mmr_delta_pct": 0.30, "delta_expansion_rate_pct": 0.05, "delta_expansion_warmup_start_fraction": 0.1, "mmr_floor": 300, "mmr_ceiling": 1000}},
  {"name": "10pct_250_900",   "overrides": {"base_mmr_delta_pct": 0.10, "max_mmr_delta_pct": 0.30, "delta_expansion_rate_pct": 0.05, "delta_expansion_warmup_start_fraction": 0.1, "mmr_floor": 250, "mmr_ceiling": 900}},
  {"name": "10pct_350_1100",  "overrides": {"base_mmr_delta_pct": 0.10, "max_mmr_delta_pct": 0.30, "delta_expansion_rate_pct": 0.05, "delta_expansion_warmup_start_fraction": 0.1, "mmr_floor": 350, "mmr_ceiling": 1100}}
]