diff --git a/code/game/machinery/gameboard.dm b/code/game/machinery/gameboard.dm
index b331930b325..99d9a192385 100644
--- a/code/game/machinery/gameboard.dm
+++ b/code/game/machinery/gameboard.dm
@@ -2,59 +2,60 @@
 	name = "Virtual Gameboard"
 	icon = 'icons/obj/stationobjs.dmi'
 	icon_state = "gboard_on"
-	desc = "A holographic table allowing the crew to have fun™ on boring shifts! One player per board."
+	desc = "A holographic table allowing the crew to have fun� on boring shifts! One player per board."
 	density = 1
 	anchored = 1
 	use_power = 1
+	var/cooling_down = 0
 
 /obj/machinery/gameboard/New()
-    ..()
-    component_parts = list()
-    component_parts += new /obj/item/weapon/circuitboard/gameboard(null)
-    component_parts += new /obj/item/weapon/stock_parts/micro_laser(null)
-    component_parts += new /obj/item/stack/cable_coil(null, 3)
-    component_parts += new /obj/item/stack/sheet/glass(null, 1)
-    RefreshParts()
+	..()
+	component_parts = list()
+	component_parts += new /obj/item/weapon/circuitboard/gameboard(null)
+	component_parts += new /obj/item/weapon/stock_parts/micro_laser(null)
+	component_parts += new /obj/item/stack/cable_coil(null, 3)
+	component_parts += new /obj/item/stack/sheet/glass(null, 1)
+	RefreshParts()
 
 /obj/machinery/gameboard/power_change()
-    . = ..()
-    update_icon()
+	. = ..()
+	update_icon()
 
 /obj/machinery/gameboard/update_icon()
-    if(stat & NOPOWER)
-        icon_state = "gboard_off"
-    else
-        icon_state = "gboard_on"
+	if(stat & NOPOWER)
+		icon_state = "gboard_off"
+	else
+		icon_state = "gboard_on"
 
 /obj/machinery/gameboard/attack_hand(mob/user)
-    . = ..()
-    if(.)
-        return
-    if(src.in_use)
-        to_chat(user, "This gameboard is already in use!")
-        return
-    interact(user)
+	. = ..()
+	if(.)
+		return
+	if(src.in_use)
+		to_chat(user, "This gameboard is already in use!")
+		return
+	interact(user)
 
 /obj/machinery/gameboard/interact(mob/user)
-    . = ..()
-    if(.)
-        return
+	. = ..()
+	if(.)
+		return
 
-    var/dat
-    dat = replacetext(file2text('html/chess.html'), "\[hsrc]", "\ref[src]")
-    var/datum/asset/simple/chess/assets = get_asset_datum(/datum/asset/simple/chess)
-    assets.send(user)
+	var/dat
+	dat = replacetext(file2text('html/chess.html'), "\[hsrc]", "\ref[src]")
+	var/datum/asset/simple/chess/assets = get_asset_datum(/datum/asset/simple/chess)
+	assets.send(user)
 
-    var/datum/browser/popup = new(user, "SpessChess", name, 500, 800, src)
-    popup.set_content(dat)
-    popup.add_stylesheet("chess.css", 'html/browser/chess.css')
-    popup.add_script("garbochess.js", 'html/browser/garbochess.js')
-    //popup.add_script("boardui.js", 'html/browser/boardui.js')
-    popup.add_script("jquery-1.8.2.min.js", 'html/browser/jquery-1.8.2.min.js')
-    popup.add_script("jquery-ui-1.8.24.custom.min.js", 'html/browser/jquery-ui-1.8.24.custom.min.js')
-    popup.set_window_options("titlebar=0")
-    popup.open()
-    user.set_machine(src)
+	var/datum/browser/popup = new(user, "SpessChess", name, 500, 800, src)
+	popup.set_content(dat)
+	popup.add_stylesheet("chess.css", 'html/browser/chess.css')
+	popup.add_script("garbochess.js", 'html/browser/garbochess.js')
+	//popup.add_script("boardui.js", 'html/browser/boardui.js')
+	popup.add_script("jquery-1.8.2.min.js", 'html/browser/jquery-1.8.2.min.js')
+	popup.add_script("jquery-ui-1.8.24.custom.min.js", 'html/browser/jquery-ui-1.8.24.custom.min.js')
+	popup.set_window_options("titlebar=0")
+	popup.open()
+	user.set_machine(src)
 
 /obj/machinery/gameboard/proc/close_game() //yes, shamelessly copied over from arcade_base
 	in_use = 0
@@ -65,15 +66,21 @@
 	return
 
 /obj/machinery/gameboard/Topic(var/href, var/list/href_list)
-    . = ..()
-    var/prize = /obj/item/stack/tickets
-    if (.)
-        return
+	. = ..()
+	var/prize = /obj/item/stack/tickets
+	if (.)
+		return
 
-    if (href_list["checkmate"])
-        visible_message("<span class='info'><span class='name'>[src.name]</span> beeps, \"WINNER!\"</span>")
-        new prize(get_turf(src), 80)
-        close_game()
+	if (href_list["checkmate"])
+		if(cooling_down)
+			message_admins("Too many checkmates on chessboard, possible HREF exploits: [key_name_admin(usr)] on [src] (<A HREF='?_src_=holder;adminplayerobservecoodjump=1;X=[x];Y=[y];Z=[z]'>JMP</a>)")
+			return
+		visible_message("<span class='info'><span class='name'>[src.name]</span> beeps, \"WINNER!\"</span>")
+		new prize(get_turf(src), 80)
+		close_game()
+		cooling_down = 1
+		spawn(600)
+			cooling_down = 0
 
-    if (href_list["close"])
-        close_game()
\ No newline at end of file
+	if (href_list["close"])
+		close_game()
\ No newline at end of file