From: H.G. Muller <h.g.muller@hccnet.nl>
Date: Wed, 15 Jan 2014 20:28:51 +0000 (+0100)
Subject: Put fail-high/fail-low indicators in protocol specs
X-Git-Url: http://winboard.nl/cgi-bin?p=xboard.git;a=commitdiff_plain;h=ece64eff3baf6a88bfb53eea936efb55d71ce96d

Put fail-high/fail-low indicators in protocol specs
---

diff --git a/engine-intf.html b/engine-intf.html
index 8d5e700..969495b 100644
--- a/engine-intf.html
+++ b/engine-intf.html
@@ -1824,6 +1824,12 @@ It is therefore encouraged that engines use tabs or spaces to format this option
 so that it will display nicely in (not too wide) columns.
 </p>
 
+<p class="version47">
+A question mark as the last character in the <b>pv</b> field should be used to indicate
+the reported score is from a fail low, and thus represents an upper bound only.
+Similarly, an exclamation point should be used to indicate a fail high / lower bound.
+</p>
+
 <p>
 Example:
 </p>