Index: Makefile
===================================================================
--- Makefile	(revision 524252)
+++ Makefile	(working copy)
@@ -2,11 +2,9 @@
 # $FreeBSD$
 
 PORTNAME=	stockfish
-DISTVERSION=	10
-PORTREVISION=	1
-DISTVERSIONSUFFIX=	-src
+DISTVERSIONPREFIX=	sf_
+DISTVERSION=	11
 CATEGORIES=	games
-MASTER_SITES=	http://stockfish.s3.amazonaws.com/
 
 MAINTAINER=	execve@gmail.com
 COMMENT=	Open source chess engine
@@ -14,15 +12,17 @@
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/../Copying.txt
 
-NOT_FOR_ARCHS=	sparc64
 BROKEN_aarch64=	Fails to build: cannot detect architecture
 BROKEN_armv6=	Fails to configure: config-sanity: Error 1
 BROKEN_armv7=	Fails to configure: config-sanity: Error 1
 BROKEN_mips64=	Fails to build: cannot detect architecture
+NOT_FOR_ARCHS=	sparc64
 
-USES=		compiler:c++11-lang gmake zip
+USES=		compiler:c++11-lang gmake
+USE_GITHUB=	yes
+GH_ACCOUNT=	official-stockfish
+GH_PROJECT=	Stockfish
 
-NO_WRKSUBDIR=	yes
 WRKSRC_SUBDIR=	src
 MYARCH=		${ARCH}
 MYCC=		${CHOSEN_COMPILER_TYPE}
Index: distinfo
===================================================================
--- distinfo	(revision 524252)
+++ distinfo	(working copy)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1545156168
-SHA256 (stockfish-10-src.zip) = 29bd01e7407098aa9e851b82f6ea4bf2b46d26e9075a48a269cb1e40c582a073
-SIZE (stockfish-10-src.zip) = 174377
+TIMESTAMP = 1579984671
+SHA256 (official-stockfish-Stockfish-sf_11_GH0.tar.gz) = 802261cc601b67bed00c0ef7d21e2125959630f0852a06db9fc9bd74f440b199
+SIZE (official-stockfish-Stockfish-sf_11_GH0.tar.gz) = 145868