diff --git a/etc/mcts_1gpu.conf b/etc/mcts_1gpu.conf
index f4628b3..75c47b1 100644
--- a/etc/mcts_1gpu.conf
+++ b/etc/mcts_1gpu.conf
@@ -9,7 +9,7 @@ eval_wait_batch_timeout_us: 100
 model_config {
     train_dir: "ckpt"
     enable_tensorrt: 1
-    tensorrt_model_path: "zero.ckpt-m8.FP32.PLAN"
+    tensorrt_model_path: "zero.ckpt-20b-v1.FP32.PLAN"
 }
 gpu_list: "0"
 c_puct: 2.5
diff --git a/etc/mcts_2gpu.conf b/etc/mcts_2gpu.conf
index b430d45..f854bee 100644
--- a/etc/mcts_2gpu.conf
+++ b/etc/mcts_2gpu.conf
@@ -9,7 +9,7 @@ eval_wait_batch_timeout_us: 100
 model_config {
     train_dir: "ckpt"
     enable_tensorrt: 1
-    tensorrt_model_path: "zero.ckpt-m8.FP32.PLAN"
+    tensorrt_model_path: "zero.ckpt-20b-v1.FP32.PLAN"
 }
 gpu_list: "0,1"
 c_puct: 2.5
diff --git a/etc/mcts_4gpu.conf b/etc/mcts_4gpu.conf
index ed1d950..5fb0833 100644
--- a/etc/mcts_4gpu.conf
+++ b/etc/mcts_4gpu.conf
@@ -9,7 +9,7 @@ eval_wait_batch_timeout_us: 100
 model_config {
     train_dir: "ckpt"
     enable_tensorrt: 1
-    tensorrt_model_path: "zero.ckpt-m8.FP32.PLAN"
+    tensorrt_model_path: "zero.ckpt-20b-v1.FP32.PLAN"
 }
 gpu_list: "0,1,2,3"
 c_puct: 2.5
diff --git a/etc/mcts_8gpu.conf b/etc/mcts_8gpu.conf
index b646ec7..e18b031 100644
--- a/etc/mcts_8gpu.conf
+++ b/etc/mcts_8gpu.conf
@@ -9,7 +9,7 @@ eval_wait_batch_timeout_us: 100
 model_config {
     train_dir: "ckpt"
     enable_tensorrt: 1
-    tensorrt_model_path: "zero.ckpt-m8.FP32.PLAN"
+    tensorrt_model_path: "zero.ckpt-20b-v1.FP32.PLAN"
 }
 gpu_list: "0,1,2,3,4,5,6,7"
 c_puct: 2.5
diff --git a/etc/mcts_async_dist.conf b/etc/mcts_async_dist.conf
index 7592fb8..dc15a12 100644
--- a/etc/mcts_async_dist.conf
+++ b/etc/mcts_async_dist.conf
@@ -11,7 +11,7 @@ eval_wait_batch_timeout_us: 100
 model_config {
     train_dir: "ckpt"
     enable_tensorrt: 1
-    tensorrt_model_path: "zero.ckpt-m8.FP32.PLAN"
+    tensorrt_model_path: "zero.ckpt-20b-v1.FP32.PLAN"
 }
 enable_dist: 1
 dist_svr_addrs: "ip:port,ip:port,ip:port,ip:port"
@@ -85,7 +85,7 @@ dist_config {
     leaky_bucket_refill_period_ms: 5000
 }
 c_puct: 2.5
-virtual_loss: 1.0
+virtual_loss: 0.5
 enable_resign: 1
 v_resign: -0.9
 enable_dirichlet_noise: 0
@@ -101,7 +101,7 @@ early_stop {
     enable: 1
     check_every_ms: 100
     sims_factor: 1.0
-    sims_threshold: 2000
+    sims_threshold: 100000
 }
 unstable_overtime {
     enable: 1
diff --git a/etc/mcts_dist.conf b/etc/mcts_dist.conf
index cf5702f..9ad5b1d 100644
--- a/etc/mcts_dist.conf
+++ b/etc/mcts_dist.conf
@@ -9,7 +9,7 @@ eval_wait_batch_timeout_us: 100
 model_config {
     train_dir: "ckpt"
     enable_tensorrt: 1
-    tensorrt_model_path: "zero.ckpt-m8.FP32.PLAN"
+    tensorrt_model_path: "zero.ckpt-20b-v1.FP32.PLAN"
 }
 enable_dist: 1
 dist_svr_addrs: "ip:port"
@@ -67,7 +67,7 @@ early_stop {
     enable: 1
     check_every_ms: 100
     sims_factor: 1.0
-    sims_threshold: 2000
+    sims_threshold: 10000
 }
 unstable_overtime {
     enable: 1