diff --git a/src/Summary.cpp b/src/Summary.cpp
index 38ceac8ee..a52b79454 100644
--- a/src/Summary.cpp
+++ b/src/Summary.cpp
@@ -132,8 +132,8 @@ static void print_pools(xmrig::Config *config)
     }
 
 #   ifdef APP_DEBUG
-    for (size_t i = 0; i < pools.size(); ++i) {
-        Log::i()->text("%s:%d, user: %s, pass: %s, ka: %d, nicehash: %d", pools[i].host(), pools[i].port(), pools[i].user(), pools[i].password(), pools[i].keepAlive(), pools[i].isNicehash());
+    for (const Pool &pool : pools) {
+        pool.print();
     }
 #   endif
 }
diff --git a/src/common/config/CommonConfig.cpp b/src/common/config/CommonConfig.cpp
index 431eff1d1..baf5a7292 100644
--- a/src/common/config/CommonConfig.cpp
+++ b/src/common/config/CommonConfig.cpp
@@ -177,6 +177,10 @@ bool xmrig::CommonConfig::parseString(int key, const char *arg)
         m_pools.back().setPassword(arg);
         break;
 
+    case RigIdKey: /* --rig-id */
+        m_pools.back().setRigId(arg);
+        break;
+
     case LogFileKey: /* --log-file */
         m_logFile = arg;
         break;
diff --git a/src/common/log/Log.h b/src/common/log/Log.h
index 8434d7799..0b3332721 100644
--- a/src/common/log/Log.h
+++ b/src/common/log/Log.h
@@ -80,8 +80,12 @@ private:
 };
 
 
+#define GREEN_BOLD(x)   "\e[1;32m" x "\e[0m"
+#define GREEN(x)        "\e[0;32m" x "\e[0m"
 #define MAGENTA_BOLD(x) "\e[1;35m" x "\e[0m"
 #define MAGENTA(x)      "\e[0;35m" x "\e[0m"
+#define CYAN_BOLD(x)    "\e[1;36m" x "\e[0m"
+#define CYAN(x)         "\e[0;36m" x "\e[0m"
 #define WHITE_BOLD(x)   "\e[1;37m" x "\e[0m"
 #define WHITE(x)        "\e[0;37m" x "\e[0m"
 
diff --git a/src/common/net/Client.cpp b/src/common/net/Client.cpp
index d7e88cbf8..de56b315b 100644
--- a/src/common/net/Client.cpp
+++ b/src/common/net/Client.cpp
@@ -397,6 +397,10 @@ void Client::login()
     params.AddMember("pass",  rapidjson::StringRef(m_pool.password()), allocator);
     params.AddMember("agent", rapidjson::StringRef(m_agent),           allocator);
 
+    if (m_pool.rigId()) {
+        params.AddMember("rigid", rapidjson::StringRef(m_pool.rigId()), allocator);
+    }
+
     doc.AddMember("params", params, allocator);
 
     rapidjson::StringBuffer buffer(0, 512);
diff --git a/src/common/net/Pool.cpp b/src/common/net/Pool.cpp
index 3be491fb5..4675876ad 100644
--- a/src/common/net/Pool.cpp
+++ b/src/common/net/Pool.cpp
@@ -177,6 +177,7 @@ bool Pool::isEqual(const Pool &other) const
             && m_algorithm == other.m_algorithm
             && m_host      == other.m_host
             && m_password  == other.m_password
+            && m_rigId     == other.m_rigId
             && m_url       == other.m_url
             && m_user      == other.m_user
             && m_variant   == other.m_variant);
@@ -254,9 +255,14 @@ void Pool::adjust(xmrig::Algo algorithm)
     if (strstr(m_host.data(), ".nicehash.com")) {
         m_keepAlive = false;
         m_nicehash  = true;
+
+        if (strstr(m_host.data(), "cryptonightv7.")) {
+            m_variant = xmrig::VARIANT_V1;
+        }
     }
 
     if (strstr(m_host.data(), ".minergate.com")) {
+        m_variant   = xmrig::VARIANT_V1;
         m_keepAlive = false;
     }
 }
@@ -303,6 +309,7 @@ void Pool::print() const
     LOG_DEBUG ("port:      %d", static_cast<int>(m_port));
     LOG_DEBUG ("user:      %s", m_user.data());
     LOG_DEBUG ("pass:      %s", m_password.data());
+    LOG_DEBUG ("rig_id     %s", m_rigId.data());
     LOG_DEBUG ("algo:      %s/%d", algoName(m_algorithm), static_cast<int>(variant()));
     LOG_DEBUG ("nicehash:  %d", static_cast<int>(m_nicehash));
     LOG_DEBUG ("keepAlive: %d", m_keepAlive);
diff --git a/src/common/net/Pool.h b/src/common/net/Pool.h
index df8578bc8..b1b935074 100644
--- a/src/common/net/Pool.h
+++ b/src/common/net/Pool.h
@@ -58,6 +58,7 @@ public:
     inline bool isValid() const                   { return !m_host.isNull() && m_port > 0; }
     inline const char *host() const               { return m_host.data(); }
     inline const char *password() const           { return !m_password.isNull() ? m_password.data() : kDefaultPassword; }
+    inline const char *rigId() const              { return m_rigId.data(); }
     inline const char *url() const                { return m_url.data(); }
     inline const char *user() const               { return !m_user.isNull() ? m_user.data() : kDefaultUser; }
     inline int keepAlive() const                  { return m_keepAlive; }
@@ -67,6 +68,7 @@ public:
     inline void setKeepAlive(int keepAlive)       { m_keepAlive = keepAlive >= 0 ? keepAlive : 0; }
     inline void setNicehash(bool nicehash)        { m_nicehash = nicehash; }
     inline void setPassword(const char *password) { m_password = password; }
+    inline void setRigId(const char *rigId)       { m_rigId = rigId; }
     inline void setUser(const char *user)         { m_user = user; }
     inline xmrig::Algo algorithm() const          { return m_algorithm; }
 
@@ -93,6 +95,7 @@ private:
     xmrig::Algo m_algorithm;
     xmrig::c_str m_host;
     xmrig::c_str m_password;
+    xmrig::c_str m_rigId;
     xmrig::c_str m_url;
     xmrig::c_str m_user;
     xmrig::Variant m_variant;
diff --git a/src/core/Config.cpp b/src/core/Config.cpp
index 33cd01e8c..43abbbbdf 100644
--- a/src/core/Config.cpp
+++ b/src/core/Config.cpp
@@ -108,6 +108,7 @@ void xmrig::Config::getJSON(rapidjson::Document &doc) const
         obj.AddMember("url",     StringRef(pool.url()), allocator);
         obj.AddMember("user",    StringRef(pool.user()), allocator);
         obj.AddMember("pass",    StringRef(pool.password()), allocator);
+        obj.AddMember("rig-id",  pool.rigId() ? Value(StringRef(pool.rigId())).Move() : Value(kNullType).Move(), allocator);
 
         if (pool.keepAlive() == 0 || pool.keepAlive() == Pool::kKeepAliveTimeout) {
             obj.AddMember("keepalive", pool.keepAlive() > 0, allocator);
diff --git a/src/core/ConfigLoader_platform.h b/src/core/ConfigLoader_platform.h
index d02a9e8f0..9704d5e30 100644
--- a/src/core/ConfigLoader_platform.h
+++ b/src/core/ConfigLoader_platform.h
@@ -58,6 +58,7 @@ Options:\n\
   -O, --userpass=U:P       username:password pair for mining server\n\
   -u, --user=USERNAME      username for mining server\n\
   -p, --pass=PASSWORD      password for mining server\n\
+      --rig-id=ID          rig identifier for pool-side statistics (needs pool support)\n\
   -t, --threads=N          number of miner threads\n\
   -v, --av=N               algorithm variation, 0 auto select\n\
   -k, --keepalive          send keepalived for prevent timeout (need pool support)\n\
@@ -128,6 +129,7 @@ static struct option const options[] = {
     { "user",              1, nullptr, xmrig::IConfig::UserKey           },
     { "user-agent",        1, nullptr, xmrig::IConfig::UserAgentKey      },
     { "userpass",          1, nullptr, xmrig::IConfig::UserpassKey       },
+    { "rig-id",            1, nullptr, xmrig::IConfig::RigIdKey          },
     { "version",           0, nullptr, xmrig::IConfig::VersionKey        },
     { 0, 0, 0, 0 }
 };
@@ -165,6 +167,7 @@ static struct option const pool_options[] = {
     { "nicehash",      0, nullptr, xmrig::IConfig::NicehashKey   },
     { "keepalive",     2, nullptr, xmrig::IConfig::KeepAliveKey  },
     { "variant",       1, nullptr, xmrig::IConfig::VariantKey    },
+    { "rig-id",        1, nullptr, xmrig::IConfig::RigIdKey      },
     { 0, 0, 0, 0 }
 };
 
diff --git a/src/interfaces/IConfig.h b/src/interfaces/IConfig.h
index f7433d7f4..cf4f0d235 100644
--- a/src/interfaces/IConfig.h
+++ b/src/interfaces/IConfig.h
@@ -36,30 +36,31 @@ public:
     enum Keys {
         // common
         AlgorithmKey      = 'a',
-        ApiPort           = 4000,
         ApiAccessTokenKey = 4001,
-        ApiWorkerIdKey    = 4002,
         ApiIPv6Key        = 4003,
+        ApiPort           = 4000,
         ApiRestrictedKey  = 4004,
+        ApiWorkerIdKey    = 4002,
         BackgroundKey     = 'B',
+        ColorKey          = 1002,
         ConfigKey         = 'c',
         DonateLevelKey    = 1003,
         HelpKey           = 'h',
         KeepAliveKey      = 'k',
         LogFileKey        = 'l',
-        ColorKey          = 1002,
-        WatchKey          = 1105,
         PasswordKey       = 'p',
         RetriesKey        = 'r',
         RetryPauseKey     = 'R',
+        RigIdKey          = 1012,
         SyslogKey         = 'S',
         UrlKey            = 'o',
-        UserKey           = 'u',
         UserAgentKey      = 1008,
+        UserKey           = 'u',
         UserpassKey       = 'O',
+        VariantKey        = 1010,
         VerboseKey        = 1100,
         VersionKey        = 'V',
-        VariantKey        = 1010,
+        WatchKey          = 1105,
 
         // xmrig common
         CPUPriorityKey    = 1021,
diff --git a/src/workers/Workers.cpp b/src/workers/Workers.cpp
index 1d2c1739a..67b2973db 100644
--- a/src/workers/Workers.cpp
+++ b/src/workers/Workers.cpp
@@ -133,7 +133,7 @@ void Workers::start(xmrig::Controller *controller)
 {
     const std::vector<xmrig::IThread *> &threads = controller->config()->threads();
     m_status.algo    = controller->config()->algorithm();
-    m_status.colors  = controller->config()->isHugePages();
+    m_status.colors  = controller->config()->isColors();
     m_status.threads = threads.size();
 
     for (const xmrig::IThread *thread : threads) {
@@ -301,9 +301,9 @@ void Workers::start(IWorker *worker)
         const size_t memory  = m_status.ways * xmrig::cn_select_memory(m_status.algo) / 1048576;
 
         if (m_status.colors) {
-            LOG_INFO("\x1B[01;32mREADY (CPU)\x1B[0m threads \x1B[01;36m%zu(%zu)\x1B[0m huge pages %s%zu/%zu %1.0f%%\x1B[0m memory \x1B[01;36m%zu.0 MB",
+            LOG_INFO(GREEN_BOLD("READY (CPU)") " threads " CYAN_BOLD("%zu(%zu)") " huge pages %s%zu/%zu %1.0f%%\e[0m memory " CYAN_BOLD("%zu.0 MB") "",
                      m_status.threads, m_status.ways,
-                     (m_status.hugePages == m_status.pages ? "\x1B[01;32m" : (m_status.hugePages == 0 ? "\x1B[01;31m" : "\x1B[01;33m")),
+                     (m_status.hugePages == m_status.pages ? "\e[1;32m" : (m_status.hugePages == 0 ? "\e[1;31m" : "\e[1;33m")),
                      m_status.hugePages, m_status.pages, percent, memory);
         }
         else {