From 8d2a08637cadd1ba3402970edf83145c097c35dd Mon Sep 17 00:00:00 2001
From: Thibault Duplessis <thibault.duplessis@gmail.com>
Date: Sun, 29 Apr 2018 03:55:59 +0200
Subject: [PATCH] Revert "Revert "ignore #0 at ceval client level""

This reverts commit 603f5d91447ad02d0fcad5c416a3ef3e3c6d2b18.

https://lichess.org/forum/lichess-feedback/mate-in-zero
---
 ui/ceval/src/stockfishProtocol.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ui/ceval/src/stockfishProtocol.ts b/ui/ceval/src/stockfishProtocol.ts
index d4d5c56d28..8cd8d66fd7 100644
--- a/ui/ceval/src/stockfishProtocol.ts
+++ b/ui/ceval/src/stockfishProtocol.ts
@@ -64,6 +64,9 @@ export default class Protocol {
         elapsedMs: number = parseInt(matches[7]),
         moves = matches[8].split(' ');
 
+    // Sometimes we get #0. Let's just skip it.
+    if (isMate && !ev) return;
+
     // Track max pv index to determine when pv prints are done.
     if (this.expectedPvs < multiPv) this.expectedPvs = multiPv;