diff --git a/keyboards/dz60/keymaps/konstantin_b/config.h b/keyboards/dz60/keymaps/konstantin_b/config.h
new file mode 100644
index 000000000..4b511eb84
--- /dev/null
+++ b/keyboards/dz60/keymaps/konstantin_b/config.h
@@ -0,0 +1,3 @@
+#pragma once
+
+#define LAYER_FN
diff --git a/keyboards/dz60/keymaps/konstantin_b/keymap.c b/keyboards/dz60/keymaps/konstantin_b/keymap.c
new file mode 100644
index 000000000..3718669fa
--- /dev/null
+++ b/keyboards/dz60/keymaps/konstantin_b/keymap.c
@@ -0,0 +1,46 @@
+#include QMK_KEYBOARD_H
+#include "konstantin.h"
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    /* Base layer
+     * ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┐
+     * │Esc│ 1 │ 2 │ 3 │ 4 │ 5 │ 6 │ 7 │ 8 │ 9 │ 0 │ - │ = │ \ │ ` │
+     * ├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┤
+     * │ Tab │ Q │ W │ E │ R │ T │ Y │ U │ I │ O │ P │ [ │ ] │Bspc │
+     * ├─────┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴─────┤
+     * │FnCaps│ A │ S │ D │ F │ G │ H │ J │ K │ L │ ; │ ' │ Enter  │
+     * ├──────┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┴┬───┬───┤
+     * │ LShift │ Z │ X │ C │ V │ B │ N │ M │ , │ . │RSft /│ ↑ │FnF│
+     * ├────┬───┴┬──┴─┬─┴───┴───┴───┴───┴───┴──┬┴──┬┴──┬───┼───┼───┤
+     * │LCtl│LGui│LAlt│         Space          │RAG│RCt│ ← │ ↓ │ → │
+     * └────┴────┴────┴────────────────────────┴───┴───┴───┴───┴───┘
+     */
+    [L_BASE] = LAYOUT_60_b_ansi(
+        KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,  KC_BSLS, KC_GRV,
+        KC_TAB,           KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC, KC_RBRC, KC_BSPC,
+        FN_CAPS,          KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT, KC_ENT,
+        KC_LSFT,          KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,           RSF_SLS, KC_UP,   FN_FNLK,
+        KC_LCTL, KC_LGUI,          KC_LALT, XXXXXXX,          KC_SPC,           XXXXXXX,          RAL_RGU, KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT
+    ),
+
+    /* Fn layer
+     * ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┐
+     * │   │F1 │F2 │F3 │F4 │F5 │F6 │F7 │F8 │F9 │F10│F11│F12│PSc│Ins│
+     * ├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┤
+     * │ M4  │M2 │M↑ │M1 │M3 │M5 │   │   │   │Stp│Ply│Prv│Nxt│ Del │
+     * ├─────┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴─────┤
+     * │      │M← │M↓ │M→ │MW↑│   │   │   │   │   │   │   │        │
+     * ├──────┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┴┬───┬───┤
+     * │        │MA0│MA2│MW←│MW→│   │   │App│Vo-│Vo+│ Mute │PgU│   │
+     * ├────┬───┴┬──┴─┬─┴───┴───┴───┴───┴───┴──┬┴──┬┴──┬───┼───┼───┤
+     * │    │DtPR│DtNA│          MW↓           │   │   │Hom│PgD│End│
+     * └────┴────┴────┴────────────────────────┴───┴───┴───┴───┴───┘
+     */
+    [L_FN] = LAYOUT_60_b_ansi(
+        _______, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  KC_PSCR, KC_INS,
+        KC_BTN4,          KC_BTN2, KC_MS_U, KC_BTN1, KC_BTN3, KC_BTN5, _______, _______, _______, KC_MSTP, KC_MPLY, KC_MPRV, KC_MNXT, KC_DEL,
+        _______,          KC_MS_L, KC_MS_D, KC_MS_R, KC_WH_U, _______, _______, _______, _______, _______, _______, _______, _______,
+        _______,          KC_ACL0, KC_ACL2, KC_WH_L, KC_WH_R, _______, _______, KC_APP,  KC_VOLD, KC_VOLU,          KC_MUTE, KC_PGUP, _______,
+        _______, DST_P_R,          DST_N_A, XXXXXXX,          KC_WH_D,          XXXXXXX,          _______, _______, KC_HOME, KC_PGDN, KC_END
+    ),
+};
diff --git a/keyboards/dz60/keymaps/konstantin_b/rules.mk b/keyboards/dz60/keymaps/konstantin_b/rules.mk
new file mode 100644
index 000000000..a6e88d49b
--- /dev/null
+++ b/keyboards/dz60/keymaps/konstantin_b/rules.mk
@@ -0,0 +1,13 @@
+BACKLIGHT_ENABLE   = no
+BOOTMAGIC_ENABLE   = no
+COMMAND_ENABLE     = yes
+CONSOLE_ENABLE     = yes
+EXTRAKEY_ENABLE    = yes
+MOUSEKEY_ENABLE    = yes
+NKRO_ENABLE        = yes
+RGBLIGHT_ENABLE    = no
+SPACE_CADET_ENABLE = no
+TAP_DANCE_ENABLE   = yes
+UNICODEMAP_ENABLE  = no
+
+USER_NAME = konstantin
diff --git a/keyboards/kbdfans/kbd6x/keymaps/konstantin/keymap.c b/keyboards/kbdfans/kbd6x/keymaps/konstantin/keymap.c
index 1ca4dadb1..d00232205 100644
--- a/keyboards/kbdfans/kbd6x/keymaps/konstantin/keymap.c
+++ b/keyboards/kbdfans/kbd6x/keymaps/konstantin/keymap.c
@@ -126,7 +126,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
         _______, KC_HOME, KC_UP,   KC_END,  KC_PGUP, _______, _______, _______, _______, KC_BTN1, KC_MS_U, KC_BTN2, KC_BTN3, KC_DEL,
         _______, KC_LEFT, KC_DOWN, KC_RGHT, KC_PGDN, _______, _______, _______, _______, KC_MS_L, KC_MS_D, KC_MS_R, _______,
         _______, KC_MUTE, KC_VOLD, KC_VOLU, KC_MPLY, KC_MPRV, KC_MNXT, KC_APP,  KC_WH_U, KC_BTN4, KC_BTN5, _______, _______,
-        XXXXXXX, _______, _______,                   KC_WH_D,                                     KC_ACL2, _______, XXXXXXX
+        XXXXXXX, _______, _______,                            KC_WH_D,                            KC_ACL2, _______, XXXXXXX
     ),
 
     /* RCtrl layer
@@ -147,6 +147,6 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
         _______, TOP,     MV_UP,   BOTTOM,  TAB_PRV, _______, _______, _______, _______, _______, _______, _______, _______, DEL_NXT,
         _______, MV_LEFT, MV_DOWN, MV_RGHT, TAB_NXT, _______, _______, _______, _______, _______, _______, _______, _______,
         _______, RGB_TOG, RGB_VAD, RGB_VAI, RGB_MOD, _______, _______, _______, _______, _______, _______, _______, _______,
-        XXXXXXX, DST_P_R, DST_N_A,                   _______,                                     _______, _______, XXXXXXX
+        XXXXXXX, DST_P_R, DST_N_A,                            _______,                            _______, _______, XXXXXXX
     ),
 };
diff --git a/keyboards/maartenwut/wasdat/keymaps/konstantin/keymap.c b/keyboards/maartenwut/wasdat/keymaps/konstantin/keymap.c
index 04355749a..481c5fd1f 100644
--- a/keyboards/maartenwut/wasdat/keymaps/konstantin/keymap.c
+++ b/keyboards/maartenwut/wasdat/keymaps/konstantin/keymap.c
@@ -29,26 +29,26 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 
     /* Fn layer
      * ┌───┐   ┌───┬───┬───┬───┐ ┌───┬───┬───┬───┐ ┌───┬───┬───┬───┐┌───┬───┬───┐
-     * │   │   │   │   │   │   │ │   │   │   │   │ │   │   │   │   ││   │Num│   │
+     * │   │   │   │   │   │   │ │   │   │   │   │ │   │   │   │   ││   │Num│Mut│
      * └───┘   └───┴───┴───┴───┘ └───┴───┴───┴───┘ └───┴───┴───┴───┘└───┴───┴───┘
      * ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───────┐┌───┬───┬───┐
-     * │   │F1 │F2 │F3 │F4 │F5 │F6 │F7 │F8 │F9 │F10│F11│F12│ Clear ││   │   │   │
+     * │   │F1 │F2 │F3 │F4 │F5 │F6 │F7 │F8 │F9 │F10│F11│F12│ Clear ││Ply│Stp│Vo+│
      * ├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─────┤├───┼───┼───┤
-     * │ M4  │M2 │M↑ │M1 │M3 │M5 │   │UCM│   │Stp│Ply│Prv│Nxt│     ││   │   │   │
+     * │ M4  │M2 │M↑ │M1 │M3 │M5 │   │UCM│   │   │   │   │   │     ││Prv│Nxt│Vo-│
      * ├─────┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┐    │└───┴───┴───┘
      * │      │M← │M↓ │M→ │MW↑│   │   │   │   │   │   │   │   │    │
      * ├────┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┴────┤    ┌───┐
-     * │    │   │MA0│MA2│MW←│MW→│   │   │App│Vo-│Vo+│Mut│          │    │PgU│
+     * │    │   │MA0│MA2│MW←│MW→│   │   │App│   │   │   │          │    │PgU│
      * ├────┼───┴┬──┴─┬─┴───┴───┴───┴───┴───┴──┬┴───┼───┴┬────┬────┤┌───┼───┼───┐
      * │    │DtPR│DtNA│          MW↓           │    │    │    │    ││Hom│PgD│End│
      * └────┴────┴────┴────────────────────────┴────┴────┴────┴────┘└───┴───┴───┘
      */
     [L_FN] = LAYOUT_tkl_iso(
-        _______,          _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, NUMPAD,  _______,
-        _______, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  CLEAR,   _______, _______, _______,
-        KC_BTN4, KC_BTN2, KC_MS_U, KC_BTN1, KC_BTN3, KC_BTN5, _______, UC_MOD,  _______, KC_MSTP, KC_MPLY, KC_MPRV, KC_MNXT,          _______, _______, _______,
+        _______,          _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, NUMPAD,  KC_MUTE,
+        _______, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  CLEAR,   KC_MPLY, KC_MSTP, KC_VOLU,
+        KC_BTN4, KC_BTN2, KC_MS_U, KC_BTN1, KC_BTN3, KC_BTN5, _______, UC_MOD,  _______, _______, _______, _______, _______,          KC_MPRV, KC_MNXT, KC_VOLD,
         _______, KC_MS_L, KC_MS_D, KC_MS_R, KC_WH_U, _______, _______, _______, _______, _______, _______, _______, _______, _______,
-        _______, _______, KC_ACL0, KC_ACL2, KC_WH_L, KC_WH_R, _______, _______, KC_APP,  KC_VOLD, KC_VOLU, KC_MUTE,          _______,          KC_PGUP,
+        _______, _______, KC_ACL0, KC_ACL2, KC_WH_L, KC_WH_R, _______, _______, KC_APP,  _______, _______, _______,          _______,          KC_PGUP,
         _______, DST_P_R, DST_N_A,                            KC_WH_D,                            _______, _______, _______, _______, KC_HOME, KC_PGDN, KC_END
     ),
 
diff --git a/users/konstantin/config.h b/users/konstantin/config.h
index d712e79d3..bc1987c35 100644
--- a/users/konstantin/config.h
+++ b/users/konstantin/config.h
@@ -20,10 +20,11 @@
 #define RGBLIGHT_EFFECT_SNAKE
 
 #define PERMISSIVE_HOLD
-#define TAPPING_TERM        200
-#define TAPPING_TOGGLE      2
-#define TAP_HOLD_CAPS_DELAY 50
+#define TAPPING_TERM    200
+#define TAPPING_TOGGLE  2
 
 #define UNICODE_CYCLE_PERSIST  false
 #define UNICODE_SELECTED_MODES UC_WINC, UC_WIN, UC_LNX
 #define UNICODE_KEY_WINC       KC_RGUI
+
+#define USB_POLLING_INTERVAL_MS 1
diff --git a/users/konstantin/konstantin.h b/users/konstantin/konstantin.h
index f42d5feaa..da2105831 100644
--- a/users/konstantin/konstantin.h
+++ b/users/konstantin/konstantin.h
@@ -46,6 +46,7 @@
 #endif
 
 #define LCT_CPS LCTL_T(KC_CAPS)
+#define RSF_SLS RSFT_T(KC_SLSH)
 
 #define IS_LAYER_ON_STATE(state, layer)  ( (state) & (1UL << (layer)))
 #define IS_LAYER_OFF_STATE(state, layer) (~(state) & (1UL << (layer)))