diff --git a/cpp/src/main.cpp b/cpp/src/main.cpp
index 9a821e1..f2d798c 100644
--- a/cpp/src/main.cpp
+++ b/cpp/src/main.cpp
@@ -11,26 +11,26 @@
 #include <chrono>
 
 int main(int argc, char* argv[]) {
-    std::string pos =
-        "r2qkb1r/2p1pppp/p1n1b3/1p6/B2P4/2P1P3/P4PPP/R1BQK1NR w KQkq - 0 9 ";
+    // std::string pos =
+    //     "r2qkb1r/2p1pppp/p1n1b3/1p6/B2P4/2P1P3/P4PPP/R1BQK1NR w KQkq - 0 9 ";
     // std::string pos = "8/6K1/5P2/8/1k6/8/8/8 w - - 0 1";
 
     // pos for ai timing<
-    // std::string pos =
-    //     "r3k2r/p1ppqpb1/Bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPB1PPP/R3K2R b KQkq -
-    //     0 3 ";
+    std::string pos =
+        "r3k2r/p1ppqpb1/Bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPB1PPP/R3K2R b KQkq - 0 3";
 
     Board b = Board::setup_fen_position(pos);
 
     ai::v0_random p1(true, std::chrono::milliseconds(1000));
     // ai::v1_pure_minimax p2(false, std::chrono::milliseconds(20000));
     // ai::v2_alpha_beta p2(false, std::chrono::milliseconds(20000));
-    // ai::v3_AB_ordering p2(false, std::chrono::milliseconds(20000));
-    ai::v4_search_captures p2(false, std::chrono::milliseconds(20000));
+    ai::v3_AB_ordering p2(false, std::chrono::milliseconds(20000));
+    // ai::v4_search_captures p2(false, std::chrono::milliseconds(20000));
 
-    GUI gui;
-    // AIvsAIController manual(b, gui, p1, p2);
-    HumanVsAIController manual(b, gui, p2);
+    // GUI gui;
+    NoOpView gui;
+    AIvsAIController manual(b, gui, p1, p2);
+    // HumanVsAIController manual(b, gui, p2);
 
     Controller& controller = manual;
 
diff --git a/cpp/src/model/ais/v1_pure_minimax.cpp b/cpp/src/model/ais/v1_pure_minimax.cpp
index 78832e1..4a889b9 100644
--- a/cpp/src/model/ais/v1_pure_minimax.cpp
+++ b/cpp/src/model/ais/v1_pure_minimax.cpp
@@ -7,7 +7,7 @@
 
 #define MULTITHREADED 1
 
-static int position_counter;
+static int position_counter = 0;
 
 Move ai::v1_pure_minimax::_search(const Board& b) {
     position_counter = 0;
diff --git a/cpp/src/model/ais/v2_alpha_beta.cpp b/cpp/src/model/ais/v2_alpha_beta.cpp
index 3a39474..8706487 100644
--- a/cpp/src/model/ais/v2_alpha_beta.cpp
+++ b/cpp/src/model/ais/v2_alpha_beta.cpp
@@ -8,7 +8,7 @@
 #define MULTITHREADED 1
 
 
-static int position_counter;
+static int position_counter = 0;
 
 Move ai::v2_alpha_beta::_search(const Board& b) {
     position_counter = 0;
@@ -69,7 +69,6 @@ int ai::v2_alpha_beta::_search(const Board& b, int depth, int alpha, int beta) {
 
     std::vector<Move> moves = b.all_legal_moves();
 
-    Move best_move;
     for (const Move& move : moves) {
         Board tmp_board = b.make_move(move);
         int tmp_eval = -_search(tmp_board, depth - 1, -beta, -alpha);
diff --git a/cpp/src/view/noop.hpp b/cpp/src/view/noop.hpp
index 34ae25b..90eb3a6 100644
--- a/cpp/src/view/noop.hpp
+++ b/cpp/src/view/noop.hpp
@@ -9,4 +9,8 @@ class NoOpView : public View {
     void update_board(const Board&, int8_t, std::vector<int8_t>) override {};
     void notify_checkmate(Colour) override{};
     void notify_stalemate(Colour) override{};
+
+    Piece ask_about_promotion() override {
+        return Queen;
+    };
 };