Update README leaderboard with recent record submissions + revert bad merges (openai#1806)

* Update leaderboard with recent record submissions

* Keep only valid recent leaderboard rows

* Remove invalid Scylla record

* Remove non-record Muon TTT submission

Author: cocohearts

README.md

@@ -39,6 +39,8 @@ Happy training!
 | MuonEq-R + Depth Recurrence + WD=0.090 + All-Int6 GPTQ | 1.0912 | dexhunter | On PR #1285: MuonEq-R + layers 4-5 recurrence + higher weight decay + all-int6 GPTQ | 2026-04-03 | [info](records/track_10min_16mb/2026-04-03_MuonEqR_DepthRecurrence_WD090_AllInt6/README.md) |
 | 4096-Vocab + Larger Model + High WD + Simplifications | 1.0979 | Kevin Clark | On PR #1218: SP4096 + 4x MLP + high weight decay, with TTT, hash embeddings, SmearGate, and value residuals removed | 2026-04-01 | [info](records/track_10min_16mb/2026-04-01_Vocab4096_MLPMult4_WD085/README.md) |
 | Parallel Residuals + Mini Depth Recurrence | 1.1063 | Marko Sisovic | On PR #1204: mini recurrence on layers 4-5 + parallel attention/MLP residual lanes + AR self-generated GPTQ calibration | 2026-03-31 | [info](records/track_10min_16mb/2026-03-31_ParallelResiduals_MiniDepthRecurrence/README.md) |
+| Rascal | 1.1099 | newjordan | On PR #1120: XSA-all + Parallel Muon + coprime loader + Bigram2048/RoPE16 + SWA/late QAT without GPTQ | 2026-03-30 | [info](https://github.com/openai/parameter-golf/pull/1120) |
+| Coprime-Stride Loader + Full GPTQ + XSA-all | 1.1122 | dexhunter | On PR #1060: coprime multi-shard loader + Full Hessian GPTQ + XSA on all layers + BigramHash(2816x112) | 2026-03-29 | [info](records/track_10min_16mb/2026-03-29_Loader_FullGPTQ_XSA11_BigramHash2816/README.md) |
 | 11L AR Self-Gen GPTQ + XSA | 1.1147 | abaybektursun | On PR #1019: Self-Generated GPTQ Calibration Data + all-layer XSA on the PR #549 stack | 2026-03-25 | [info](records/track_10min_16mb/2026-03-25_ValCalib_GPTQ_XSA_BigramHash3072/README.md) |
 | LeakyReLU² + Legal Score-First TTT + Parallel Muon | 1.1194 | abaybektursun | On PR #549: LeakyReLU(0.5)^2 + TTT + Parallel Muon on the PR #414 stack | 2026-03-23 | [info](records/track_10min_16mb/2026-03-23_LeakyReLU_LegalTTT_ParallelMuon/README.md) |
 | 11L EMA + GPTQ-lite + warmdown3500 | 1.1228 | signalrush | On PR #374: GPTQ-lite clip search + EMA, plus warmdown3500 and QAT@0.15 | 2026-03-22 | [info](records/track_10min_16mb/2026-03-22_11L_EMA_GPTQ-lite_warmdown3500_QAT015_1.1233/README.md) |