Add EP synthetic results: 15 JSONs (3α × 5 seeds)

EP synthetic: acc high (92-96%) but Gamma negative (-0.13 to -0.20), rho=-0.25
EP credit direction may be inverted or diagnostics have issue.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

15 files changed, 135 insertions, 0 deletions

diff --git a/results/ep_synthetic/ep_a0.0_L4_s1024.json b/results/ep_synthetic/ep_a0.0_L4_s1024.json
new file mode 100644
index 0000000..520428c
--- /dev/null
+++ b/results/ep_synthetic/ep_a0.0_L4_s1024.json
@@ -0,0 +1,9 @@
+{
+  "method": "ep",
+  "alpha": 0.0,
+  "depth": 4,
+  "seed": 1024,
+  "acc": 0.96484375,
+  "Gamma": -0.1277528554201126,
+  "rho": -0.24998772144317627
+}
\ No newline at end of file
diff --git a/results/ep_synthetic/ep_a0.0_L4_s123.json b/results/ep_synthetic/ep_a0.0_L4_s123.json
new file mode 100644
index 0000000..dbb18ac
--- /dev/null
+++ b/results/ep_synthetic/ep_a0.0_L4_s123.json
@@ -0,0 +1,9 @@
+{
+  "method": "ep",
+  "alpha": 0.0,
+  "depth": 4,
+  "seed": 123,
+  "acc": 0.958984375,
+  "Gamma": -0.13140881061553955,
+  "rho": -0.24999138712882996
+}
\ No newline at end of file
diff --git a/results/ep_synthetic/ep_a0.0_L4_s42.json b/results/ep_synthetic/ep_a0.0_L4_s42.json
new file mode 100644
index 0000000..b531b94
--- /dev/null
+++ b/results/ep_synthetic/ep_a0.0_L4_s42.json
@@ -0,0 +1,9 @@
+{
+  "method": "ep",
+  "alpha": 0.0,
+  "depth": 4,
+  "seed": 42,
+  "acc": 0.95703125,
+  "Gamma": -0.14355717599391937,
+  "rho": -0.24998986721038818
+}
\ No newline at end of file
diff --git a/results/ep_synthetic/ep_a0.0_L4_s456.json b/results/ep_synthetic/ep_a0.0_L4_s456.json
new file mode 100644
index 0000000..660c90f
--- /dev/null
+++ b/results/ep_synthetic/ep_a0.0_L4_s456.json
@@ -0,0 +1,9 @@
+{
+  "method": "ep",
+  "alpha": 0.0,
+  "depth": 4,
+  "seed": 456,
+  "acc": 0.955078125,
+  "Gamma": -0.12418323755264282,
+  "rho": -0.24999041855335236
+}
\ No newline at end of file
diff --git a/results/ep_synthetic/ep_a0.0_L4_s789.json b/results/ep_synthetic/ep_a0.0_L4_s789.json
new file mode 100644
index 0000000..43d88c6
--- /dev/null
+++ b/results/ep_synthetic/ep_a0.0_L4_s789.json
@@ -0,0 +1,9 @@
+{
+  "method": "ep",
+  "alpha": 0.0,
+  "depth": 4,
+  "seed": 789,
+  "acc": 0.955078125,
+  "Gamma": -0.12993687391281128,
+  "rho": -0.24999207258224487
+}
\ No newline at end of file
diff --git a/results/ep_synthetic/ep_a0.5_L4_s1024.json b/results/ep_synthetic/ep_a0.5_L4_s1024.json
new file mode 100644
index 0000000..2731e84
--- /dev/null
+++ b/results/ep_synthetic/ep_a0.5_L4_s1024.json
@@ -0,0 +1,9 @@
+{
+  "method": "ep",
+  "alpha": 0.5,
+  "depth": 4,
+  "seed": 1024,
+  "acc": 0.935546875,
+  "Gamma": -0.1735123097896576,
+  "rho": -0.24999462068080902
+}
\ No newline at end of file
diff --git a/results/ep_synthetic/ep_a0.5_L4_s123.json b/results/ep_synthetic/ep_a0.5_L4_s123.json
new file mode 100644
index 0000000..9d8eb8e
--- /dev/null
+++ b/results/ep_synthetic/ep_a0.5_L4_s123.json
@@ -0,0 +1,9 @@
+{
+  "method": "ep",
+  "alpha": 0.5,
+  "depth": 4,
+  "seed": 123,
+  "acc": 0.908203125,
+  "Gamma": -0.17202824354171753,
+  "rho": -0.24999570846557617
+}
\ No newline at end of file
diff --git a/results/ep_synthetic/ep_a0.5_L4_s42.json b/results/ep_synthetic/ep_a0.5_L4_s42.json
new file mode 100644
index 0000000..e17cdd3
--- /dev/null
+++ b/results/ep_synthetic/ep_a0.5_L4_s42.json
@@ -0,0 +1,9 @@
+{
+  "method": "ep",
+  "alpha": 0.5,
+  "depth": 4,
+  "seed": 42,
+  "acc": 0.892578125,
+  "Gamma": -0.18194502592086792,
+  "rho": -0.24999558925628662
+}
\ No newline at end of file
diff --git a/results/ep_synthetic/ep_a0.5_L4_s456.json b/results/ep_synthetic/ep_a0.5_L4_s456.json
new file mode 100644
index 0000000..538b539
--- /dev/null
+++ b/results/ep_synthetic/ep_a0.5_L4_s456.json
@@ -0,0 +1,9 @@
+{
+  "method": "ep",
+  "alpha": 0.5,
+  "depth": 4,
+  "seed": 456,
+  "acc": 0.927734375,
+  "Gamma": -0.1689886748790741,
+  "rho": -0.24999424815177917
+}
\ No newline at end of file
diff --git a/results/ep_synthetic/ep_a0.5_L4_s789.json b/results/ep_synthetic/ep_a0.5_L4_s789.json
new file mode 100644
index 0000000..75d143a
--- /dev/null
+++ b/results/ep_synthetic/ep_a0.5_L4_s789.json
@@ -0,0 +1,9 @@
+{
+  "method": "ep",
+  "alpha": 0.5,
+  "depth": 4,
+  "seed": 789,
+  "acc": 0.9140625,
+  "Gamma": -0.1763390600681305,
+  "rho": -0.2499948889017105
+}
\ No newline at end of file
diff --git a/results/ep_synthetic/ep_a1.0_L4_s1024.json b/results/ep_synthetic/ep_a1.0_L4_s1024.json
new file mode 100644
index 0000000..837d01f
--- /dev/null
+++ b/results/ep_synthetic/ep_a1.0_L4_s1024.json
@@ -0,0 +1,9 @@
+{
+  "method": "ep",
+  "alpha": 1.0,
+  "depth": 4,
+  "seed": 1024,
+  "acc": 0.900390625,
+  "Gamma": -0.2027553915977478,
+  "rho": -0.24999798834323883
+}
\ No newline at end of file
diff --git a/results/ep_synthetic/ep_a1.0_L4_s123.json b/results/ep_synthetic/ep_a1.0_L4_s123.json
new file mode 100644
index 0000000..e7b1b09
--- /dev/null
+++ b/results/ep_synthetic/ep_a1.0_L4_s123.json
@@ -0,0 +1,9 @@
+{
+  "method": "ep",
+  "alpha": 1.0,
+  "depth": 4,
+  "seed": 123,
+  "acc": 0.919921875,
+  "Gamma": -0.20112474262714386,
+  "rho": -0.2499980330467224
+}
\ No newline at end of file
diff --git a/results/ep_synthetic/ep_a1.0_L4_s42.json b/results/ep_synthetic/ep_a1.0_L4_s42.json
new file mode 100644
index 0000000..e5c8a1d
--- /dev/null
+++ b/results/ep_synthetic/ep_a1.0_L4_s42.json
@@ -0,0 +1,9 @@
+{
+  "method": "ep",
+  "alpha": 1.0,
+  "depth": 4,
+  "seed": 42,
+  "acc": 0.916015625,
+  "Gamma": -0.20671850442886353,
+  "rho": -0.24999776482582092
+}
\ No newline at end of file
diff --git a/results/ep_synthetic/ep_a1.0_L4_s456.json b/results/ep_synthetic/ep_a1.0_L4_s456.json
new file mode 100644
index 0000000..8a497a1
--- /dev/null
+++ b/results/ep_synthetic/ep_a1.0_L4_s456.json
@@ -0,0 +1,9 @@
+{
+  "method": "ep",
+  "alpha": 1.0,
+  "depth": 4,
+  "seed": 456,
+  "acc": 0.9375,
+  "Gamma": -0.2003428041934967,
+  "rho": -0.24999749660491943
+}
\ No newline at end of file
diff --git a/results/ep_synthetic/ep_a1.0_L4_s789.json b/results/ep_synthetic/ep_a1.0_L4_s789.json
new file mode 100644
index 0000000..b0b0005
--- /dev/null
+++ b/results/ep_synthetic/ep_a1.0_L4_s789.json
@@ -0,0 +1,9 @@
+{
+  "method": "ep",
+  "alpha": 1.0,
+  "depth": 4,
+  "seed": 789,
+  "acc": 0.904296875,
+  "Gamma": -0.20362254977226257,
+  "rho": -0.2499975860118866
+}
\ No newline at end of file