Gen 6 Iteration 2a+2b validiert — G4-Kostenpunkt weg, Pool-Edge signifikant (+3.63±1.46)

# Gen 6 Iteration 2a+2b — Overnight-Ergebnisse (2026-09-11 Morgen)

## Batterie komplett (r6r1 mit Raise-Branch + Multiway, gepaart vs ov5)
| Gegner | Phase 1 fixiert | **2a+2b** | r6r1 absolut |
|---|---|---|---|
| Gen1 | +0.06 ±0.12 | +0.03 ±0.05 | −0.17 |
| Gen2 | +0.24 ±0.10 | **+0.19 ±0.11** | −0.08 |
| Gen4 | −0.07 ±0.06 | **+0.02 ±0.06** | −0.02 |
| Mixed Pool | +1.46 ±1.73 (n.s.) | **+3.63 ±1.46** (~2.5σ, 5/5 Seeds) | **+12.92** |

## Hypothesen bestätigt
1. **2a (Raise-Branch per Pot-Odds)**: G4-Kostenpunkt eliminiert (−0.07 → +0.02). Value-Bets vs aggressive Raiser verlieren den Pot nicht mehr.
2. **2b (Multiway First-in)**: Pool-Edge signifikant geworden (+1.46 n.s. → +3.63 ±1.46). Deutlich mehr Feuer-Spots (3-5 Spieler, IP) heben v.a. die Pool-Performance.

## Stand
r6r1 (2a+2b) schwach-dominiert ov5 in ALLEN Zellen — keine negative Zelle mehr. Phase-2-Code uncommittet (Gates grün: 545 Tests, Harrington 37/37, Self-Play clean).

## Nächste Schritte
1. 2a/2b committen
2. Volle Sanity (scripts/sanity_check.sh, 6 Gates) für den r6r1-Kandidaten
3. Iteration 3: OOP-Check-Spots (Opp-Stab-Modell) — verbleibender größter Bail-Grund (last_to_act=false dominiert die Bails)
4. Danach Flop/Turn-Rollouts + Distillation

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