From: Fabian Fichter <ianfab@users.noreply.github.com>
Date: Tue, 10 Nov 2020 20:27:15 +0000 (+0100)
Subject: Make NNUE compatible with basic fairy pieces
X-Git-Url: http://winboard.nl/cgi-bin?a=commitdiff_plain;h=991e370421264e1e4ea5ec0109aece1cb707d706;p=fairystockfish.git

Make NNUE compatible with basic fairy pieces

Re-use existing architecture and map fairy pieces
to their standard chess counterparts.
---

diff --git a/src/nnue/evaluate_nnue.cpp b/src/nnue/evaluate_nnue.cpp
index cb1b3f4..35ce818 100644
--- a/src/nnue/evaluate_nnue.cpp
+++ b/src/nnue/evaluate_nnue.cpp
@@ -39,19 +39,19 @@ namespace Eval::NNUE {
       { PS_W_BISHOP, PS_B_BISHOP },
       { PS_W_ROOK,   PS_B_ROOK   },
       { PS_W_QUEEN,  PS_B_QUEEN  },
+      { PS_W_QUEEN,  PS_B_QUEEN  },
+      { PS_W_BISHOP, PS_B_BISHOP },
+      { PS_W_BISHOP, PS_B_BISHOP },
+      { PS_W_BISHOP, PS_B_BISHOP },
+      { PS_W_QUEEN,  PS_B_QUEEN  },
+      { PS_W_QUEEN,  PS_B_QUEEN  },
       { PS_NONE,     PS_NONE     },
       { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
+      { PS_W_QUEEN,  PS_B_QUEEN  },
+      { PS_W_KNIGHT, PS_B_KNIGHT },
+      { PS_W_BISHOP, PS_B_BISHOP },
+      { PS_W_KNIGHT, PS_B_KNIGHT },
+      { PS_W_ROOK,   PS_B_ROOK   },
       { PS_NONE,     PS_NONE     },
       { PS_NONE,     PS_NONE     },
       { PS_NONE,     PS_NONE     },
@@ -103,19 +103,19 @@ namespace Eval::NNUE {
       { PS_B_BISHOP, PS_W_BISHOP },
       { PS_B_ROOK,   PS_W_ROOK   },
       { PS_B_QUEEN,  PS_W_QUEEN  },
+      { PS_B_QUEEN,  PS_W_QUEEN  },
+      { PS_B_BISHOP, PS_W_BISHOP },
+      { PS_B_BISHOP, PS_W_BISHOP },
+      { PS_B_BISHOP, PS_W_BISHOP },
+      { PS_B_QUEEN,  PS_W_QUEEN  },
+      { PS_B_QUEEN,  PS_W_QUEEN  },
       { PS_NONE,     PS_NONE     },
       { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
-      { PS_NONE,     PS_NONE     },
+      { PS_B_QUEEN,  PS_W_QUEEN  },
+      { PS_B_KNIGHT, PS_W_KNIGHT },
+      { PS_B_BISHOP, PS_W_BISHOP },
+      { PS_B_KNIGHT, PS_W_KNIGHT },
+      { PS_B_ROOK,   PS_W_ROOK   },
       { PS_NONE,     PS_NONE     },
       { PS_NONE,     PS_NONE     },
       { PS_NONE,     PS_NONE     },