From 1a868b3b2651e55a50984e21d1c0111a05c66c18 Mon Sep 17 00:00:00 2001
From: winapiadmin <138602885+winapiadmin@users.noreply.github.com>
Date: Sun, 1 Mar 2026 11:51:18 +0700
Subject: [PATCH 1/4] fix #35#

---
 position.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/position.cpp b/position.cpp
index 75cd91f..208f58e 100644
--- a/position.cpp
+++ b/position.cpp
@@ -196,6 +196,7 @@ template <typename PieceC, typename T> void _Position<PieceC, T>::setFEN(const s
     current_state = HistoryEntry<PieceC>();
     history.clear();
     _chess960 = chess960;
+    std::fill(std::begin(pieces_list), std::end(pieces_list), PieceC::NO_PIECE);
     std::istringstream ss(str);
     std::string board_fen, active_color, castling, enpassant;
     int halfmove = 0, fullmove = 1;

From fb9f24df467f201f1d27101db1e801cd88518883 Mon Sep 17 00:00:00 2001
From: winapiadmin <138602885+winapiadmin@users.noreply.github.com>
Date: Sun, 1 Mar 2026 11:52:18 +0700
Subject: [PATCH 2/4] Update try_compile.yml

---
 .github/workflows/try_compile.yml | 1 -
 1 file changed, 1 deletion(-)

diff --git a/.github/workflows/try_compile.yml b/.github/workflows/try_compile.yml
index ac4ae2b..3c811f5 100644
--- a/.github/workflows/try_compile.yml
+++ b/.github/workflows/try_compile.yml
@@ -1,7 +1,6 @@
 name: CMake on multiple platforms
 
 on:
-  push:
   pull_request: 
 
 jobs:

From 4d662ea11ebbf3278d0946c406243ad095bfd280 Mon Sep 17 00:00:00 2001
From: winapiadmin <138602885+winapiadmin@users.noreply.github.com>
Date: Sun, 1 Mar 2026 11:53:37 +0700
Subject: [PATCH 3/4] Update tests.cpp

---
 tests.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests.cpp b/tests.cpp
index 84c1d73..637adc5 100644
--- a/tests.cpp
+++ b/tests.cpp
@@ -1330,6 +1330,11 @@ TEST_CASE("Experienced bugs in this repo") {
         REQUIRE(p.getCastlingPath(BLACK, true) == 0x6000000000000000ULL);
         REQUIRE(p.getCastlingPath(BLACK, false) == 0xe00000000000000ULL);
     }
+    {
+        Position p;
+        p.setFEN("1nbqkbnr/1ppppppp/r7/8/4P3/8/PPPP1PPP/RNBQK1NR w KQk - 0 3");
+        REQUIRE(p.fen()=="1nbqkbnr/1ppppppp/r7/8/4P3/8/PPPP1PPP/RNBQK1NR w KQk - 0 3");
+    }
 }
 TEST_CASE("Captures only?") {
     std::vector<TestEntry<std::string, perft_t>> tests = {

From d4fa52dc1bd6beaa6d6703e5e55705cbe132b14e Mon Sep 17 00:00:00 2001
From: GitHub Actions <actions@github.com>
Date: Sun, 1 Mar 2026 04:53:56 +0000
Subject: [PATCH 4/4] Apply clang-format

---
 tests.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests.cpp b/tests.cpp
index 637adc5..179d80d 100644
--- a/tests.cpp
+++ b/tests.cpp
@@ -1333,7 +1333,7 @@ TEST_CASE("Experienced bugs in this repo") {
     {
         Position p;
         p.setFEN("1nbqkbnr/1ppppppp/r7/8/4P3/8/PPPP1PPP/RNBQK1NR w KQk - 0 3");
-        REQUIRE(p.fen()=="1nbqkbnr/1ppppppp/r7/8/4P3/8/PPPP1PPP/RNBQK1NR w KQk - 0 3");
+        REQUIRE(p.fen() == "1nbqkbnr/1ppppppp/r7/8/4P3/8/PPPP1PPP/RNBQK1NR w KQk - 0 3");
     }
 }
 TEST_CASE("Captures only?") {