예제 #1
0
struct ydb *ydb_open(const char *directory, struct ydb_options *options)
{
	struct db *db = db_new(directory);
	if (db == NULL) {
		return NULL;
	}

	struct base *base = base_new(db, db_log_dir(db), db_index_dir(db),
				     options);
	if (base == NULL) {
		db_free(db);
		return NULL;
	}
	log_info(db, "Opening YDB database \"%s\" by pid=%i.",
		 directory, getpid());

	linux_check_overcommit(db);

	struct ydb *ydb = malloc(sizeof(struct ydb));
	ydb->db = db;
	ydb->base = base;

	struct timeval tv0, tv1;
	gettimeofday(&tv0, NULL);

	int r = base_load(ydb->base);
	if (r != 0) {
		_ydb_close(ydb, 0);
		return NULL;
	}
	base_print_stats(ydb->base);
	gettimeofday(&tv1, NULL);
	log_info(db, "YDB loaded %llu items in %.3f seconds.",
		 (unsigned long long)base->used_size.count,
		 (float)TIMEVAL_MSEC_SUBTRACT(tv1, tv0) / 1000.);
	return ydb;
}
예제 #2
0
파일: edax.c 프로젝트: markkings/reversi
/**
 * @brief Loop event.
 * @param ui user interface.
 */
void ui_loop_edax(UI *ui)
{
	char *cmd = NULL, *param = NULL;
	Play *play = ui->play;
	char book_file[FILENAME_MAX];
	unsigned long long histogram[129][65];
	int repeat = options.repeat;

	histogram_init(histogram);

	// loop forever
	for (;;) {
		errno = 0;

		if (options.verbosity) {
			putchar('\n');
			play_print(play, stdout);
			if (play_is_game_over(play)) printf("\n*** Game Over ***\n");
			putchar('\n');
		}

		if (log_is_open(edax_log)) {
			putc('\n', edax_log->f);
			play_print(play, edax_log->f);
			if (play_is_game_over(play)) fputs("\n*** Game Over ***\n", edax_log->f);
			putc('\n', edax_log->f);
		}

		// edax turn ? (automatic play mode)
		if (!ui_event_exist(ui) && !play_is_game_over(play) && (ui->mode == !play->player || ui->mode == 2)) {
			putchar('\n');
			play_go(play, true);
			printf("\nEdax plays "); move_print(play_get_last_move(play)->x, 0, stdout); putchar('\n');
			if (ui->mode != 2) play_ponder(play);

		// proceed by reading a command
		} else {

			/* automatic rules after a game over*/
			if (play_is_game_over(play)) {
				if (options.auto_store) play_store(play);
				if (options.auto_swap && ui->mode < 2) ui->mode = !ui->mode;
				if (options.repeat && repeat > 1) {
					--repeat;
					play_new(play);
					continue;
				}
				if (options.auto_quit) {
					return;
				}
				if (options.auto_start) {
					play_new(play);
					continue;
				}
			}

			putchar('>'); fflush(stdout);
			ui_event_wait(ui, &cmd, &param);
			log_print(edax_log, "cmd=\"%s\" ; param=\"%s\"\n", cmd, param);
			putchar('\n');

			if (cmd == NULL) {
				warn("unexpected null command?\n");
				continue;
			}

			// skip empty lines or commented lines
			if (*cmd == '\0' || *cmd == '#') {
			
			// help
			} else if (strcmp(cmd, "help") == 0 || strcmp(cmd, "?") == 0) {
				if (*param == '\0' || strcmp(param, "options") == 0) help_options();
				if (*param == '\0' || strcmp(param, "commands") == 0) help_commands();
				if (*param == '\0' || strcmp(param, "book") == 0) help_book();
				if (*param == '\0' || strcmp(param, "base") == 0) help_base();
				if (*param == '\0' || strcmp(param, "test") == 0) help_test(); 

			// new game from standard position
			} else if (strcmp(cmd, "i") == 0 || strcmp(cmd, "init") == 0) {
				board_init(play->initial_board);
				play_new(play);

			// new game from personnalized position
			} else if ((strcmp(cmd, "n") == 0 || strcmp(cmd, "new") == 0) && *param == '\0') {
				play_new(play);

			// open a saved game
			} else if (strcmp(cmd, "o") == 0 || strcmp(cmd, "open") == 0 || strcmp(cmd, "load") == 0) {
				play_load(play, param);

			// save a game
			} else if (strcmp(cmd, "s") == 0 || strcmp(cmd, "save") == 0) {
				play_save(play, param);

			// quit
			} else if (strcmp(cmd, "quit") == 0 || strcmp(cmd, "q") == 0 || strcmp(cmd, "exit") == 0) {
				free(cmd); free(param);
				return;

			} else if (!options.auto_quit && (strcmp(cmd, "eof") == 0 && (ui->mode != 2 || play_is_game_over(play)))){
				free(cmd); free(param);
				return;

			// undo last move
			} else if (strcmp(cmd, "u") == 0 || strcmp(cmd, "undo") == 0) {
				play_undo(play);
				if (ui->mode == 0 || ui->mode == 1) play_undo(play);

			// redo last move
			} else if (strcmp(cmd, "r") == 0 || strcmp(cmd, "redo") == 0) {
				play_redo(play);
				if (ui->mode == 0 || ui->mode == 1) play_undo(play);

			// mode
			} else if (strcmp(cmd, "m") == 0 || strcmp(cmd, "mode") == 0) {
				ui->mode = string_to_int(param, 3);

			// analyze a game
			} else if (strcmp(cmd, "a") == 0 || strcmp(cmd, "analyze") == 0 || strcmp(cmd, "analyse") == 0) {
				play_analyze(play, string_to_int(param, play->n_game));

			// set a new initial position
			} else if (strcmp(cmd, "setboard") == 0) {
				play_set_board(play, param);

			// vertical mirror
			} else if (strcmp(cmd, "vmirror") == 0) {
				play_symetry(play, 2);

			// horizontal mirror
			} else if (strcmp(cmd, "hmirror") == 0) {
				play_symetry(play, 1);

			// rotate
			} else if (strcmp(cmd, "rotate") == 0) {
				int angle = string_to_int(param, 90) % 360;
				if (angle < 0) angle += 360;
				switch (angle) {
				case 90: 
					play_symetry(play, 5);
					break; 
				case 180:
					play_symetry(play, 3);
					break; 
				case 270:
					play_symetry(play, 6);
					break; 
				default:
					warn("Rotate angle should be 90°, 180° or 270°");
					break;
				}

			// direct symetry...
			} else if (strcmp(cmd, "symetry") == 0) {
				int sym = string_to_int(param, 1);
				if (sym < 0 || sym >= 16) warn("symetry parameter should be a number between 0 and 15\n");
				else {
					if (sym & 8) play->player ^= 1;
					play_symetry(play, sym & 7);
				}

			// play a serie of moves
			} else if (strcmp(cmd, "play") == 0) {
				string_to_lowercase(param);
				play_game(play, param);

			// force edax to play an opening
			} else if (strcmp(cmd, "force") == 0) {
				string_to_lowercase(param);
				play_force_init(play, param);

			// solve a set of problems
			} else if (strcmp(cmd, "solve") == 0) {
				char problem_file[FILENAME_MAX + 1], *hard_file;
				hard_file = parse_word(param, problem_file, FILENAME_MAX);
				parse_word(hard_file, hard_file, FILENAME_MAX);
				obf_test(play->search, problem_file, hard_file);
				search_set_observer(play->search, edax_observer);

			// convert a set of problems in a .script file to a .obf file
			} else if (strcmp(cmd, "script-to-obf") == 0) {
				char script_file[FILENAME_MAX + 1], *obf_file;
				obf_file = parse_word(param, script_file, FILENAME_MAX);
				parse_word(obf_file, obf_file, FILENAME_MAX);
				script_to_obf(play->search, script_file, obf_file);
				search_set_observer(play->search, edax_observer);

			} else if (strcmp(cmd, "select-hard") == 0) {
				char full_file[FILENAME_MAX + 1], *hard_file;
				hard_file = parse_word(param, full_file, FILENAME_MAX);
				parse_word(hard_file, hard_file, FILENAME_MAX);
				obf_filter(full_file, hard_file);

			// game/position enumeration
			} else if (strcmp(cmd, "count") == 0) {
				char count_cmd[16], *count_param;
				int depth = 10, size = 8;

				count_param = parse_word(param, count_cmd, 15);
				count_param = parse_int(count_param, &depth); BOUND(depth, 1, 90, "max-ply");
				if (count_param) parse_int(count_param, &size); BOUND(size, 6, 8, "board-size");

				if (strcmp(count_cmd, "games") == 0) { // game enumeration
					quick_count_games(play->board, depth, size);
				} else if (strcmp(count_cmd, "positions") == 0) { // position enumeration
					count_positions(play->board, depth, size);
				} else if (strcmp(count_cmd, "shapes") == 0) { // shape enumeration
					count_shapes(play->board, depth, size);
				} else {
					warn("Unknown count command: \"%s %s\"\n", cmd, param);
				}

			} else if (strcmp(cmd, "perft") == 0) {
				int depth = 14;
				depth = string_to_int(param, 10); BOUND(depth, 1, 90, "max-ply");
				count_games(play->board, depth);
			
			// game/position enumeration
			} else if (strcmp(cmd, "estimate") == 0) {
				int n = 1000;
				n = string_to_int(param, 10); BOUND(n, 1, 2000000000, "max-trials");

				estimate_games(play->board, n);
	
			// seek highest mobility
			} else if (strcmp(cmd, "mobility") == 0) {
				int t = 3600; // 1 hour
				t = string_to_int(param, 10); BOUND(t, 1, 3600*24*365*10, "max time");

				seek_highest_mobility(play->board, t);

			// seek a position
			} else if (strcmp(cmd, "seek") == 0) {
				Board target;
				Line solution;
				
				board_set(&target, param);
				line_init(&solution, play->player);
				
				if (seek_position(&target, play->board, &solution)) {
					printf("Solution found:\n");
					line_print(&solution, 200, " ", stdout);
					putchar('\n');
				}
			
			// bench (a serie of low level tests).
			} else if (strcmp(cmd, "bench") == 0) {
				bench();

			// wtest test the engine against wthor theoretical scores
			} else if (strcmp(cmd, "wtest") == 0) {
				wthor_test(param, play->search);

			// make wthor games played by "Edax (Delorme)" as "Etudes" tournament.
			} else if (strcmp(cmd, "edaxify") == 0) {
				wthor_edaxify(param);

			// wtest test the engine against wthor theoretical scores
			} else if (strcmp(cmd, "weval") == 0) {
				wthor_eval(param, play->search, histogram);
				histogram_print(histogram);
				histogram_stats(histogram);
				histogram_to_ppm("weval.ppm", histogram);

			// go think!
			} else if (strcmp(cmd, "go") == 0) {
				if (play_is_game_over(play)) printf("\n*** Game Over ***\n");
				else {
					play_go(play, true);
					printf("\nEdax plays "); move_print(play_get_last_move(play)->x, 0, stdout); putchar('\n');
				}

			// hint for [n] moves
			} else if (strcmp(cmd, "hint") == 0) {
				int n = string_to_int(param, 1); BOUND(n, 1, 60, "n_moves");
				play_hint(play, n);

			// stop thinking
			} else if (strcmp(cmd, "stop") == 0) {
				ui->mode = 3;

			// user move
			} else if (play_user_move(play, cmd)) {
				printf("\nYou play "); move_print(play_get_last_move(play)->x, 0, stdout); putchar('\n');

			// debug pv
			} else if (strcmp(cmd, "debug-pv") == 0) {
				Move move[1];
				if (parse_move(param, play->board, move) != param) {
					search_set_board(play->search, play->board, play->player);
					pv_debug(play->search, move, stdout);
				}
			} else if (strcmp(cmd, "options") == 0) {
					options_dump(stdout);
#ifdef __unix__
			} else if (strcmp(cmd, "resources") == 0) {
				struct rusage u;
				long long t;
	 			getrusage(RUSAGE_SELF, &u);
				t = 1000 * u.ru_utime.tv_sec + u.ru_utime.tv_usec / 1000;
				printf("user cpu time: "); time_print(t, false, stdout); printf("\n");	
				t = 1000 * u.ru_stime.tv_sec + u.ru_stime.tv_usec / 1000;
				printf("system cpu time: "); time_print(t, false, stdout); printf("\n");	
				printf("max resident memory: %ld\n", u.ru_maxrss); 
				printf("page fault without I/O: %ld\n", u.ru_minflt); 
				printf("page fault with I/O: %ld\n", u.ru_majflt); 
				printf("number of input: %ld\n", u.ru_inblock); 
				printf("number of output: %ld\n", u.ru_oublock); 
				printf("number of voluntary context switch: %ld\n", u.ru_nvcsw); 
				printf("number of unvoluntary context switch: %ld\n\n", u.ru_nivcsw); 
#endif		
			// opening name
			} else if (strcmp(cmd, "opening") == 0) {
				const char *name;
				name = play_show_opening_name(play, opening_get_english_name);
				if (name == NULL) name = "?";
				puts(name);  

			// opening name in french
			} else if (strcmp(cmd, "ouverture") == 0) {
				const char *name;
				name = play_show_opening_name(play, opening_get_french_name);
				if (name == NULL) name = "?";
				puts(name); 

			// opening book commands
			} else if (strcmp(cmd, "book") == 0 || strcmp(cmd, "b") == 0) {
				char book_cmd[FILENAME_MAX + 1], *book_param;
				int val_1, val_2;
				Book *book = play->book;

				book->search = play->search;
				book->search->options.verbosity = book->options.verbosity;
				book_param = parse_word(param, book_cmd, FILENAME_MAX);
				// store the last played game
				if (strcmp(book_cmd, "store") == 0) {
					play_store(play);

				// turn book usage on
				} else if (strcmp(book_cmd, "on") == 0) { // learn
					options.book_allowed = true;

				// turn book usage off
				} else if (strcmp(book_cmd, "off") == 0) { // learn
					options.book_allowed = false;

				// set book randomness
				} else if (strcmp(book_cmd, "randomness") == 0) { // learn
					val_1 = 0; book_param = parse_int(book_param, &val_1);
					options.book_randomness = val_1;

				// set book depth (until which to learn)
				} else if (strcmp(book_cmd, "depth") == 0) { // learn
					val_1 = 36; book_param = parse_int(book_param, &val_1);
					book->options.n_empties = 61 - val_1;

				// create a new empty book
				} else if (strcmp(book_cmd, "new") == 0) {
					val_1 = 21; book_param = parse_int(book_param, &val_1);
					val_2 = 36;	book_param = parse_int(book_param, &val_2);
					book_free(book) ;
					book_new(book, val_1, 61 - val_2);

				// load an opening book (binary format) from the disc
				} else if (strcmp(book_cmd, "load") == 0 || strcmp(book_cmd, "open") == 0) {
					book_free(book) ;
					parse_word(book_param, book_file, FILENAME_MAX);
					book_load(book, book_file);

				// save an opening book (binary format) to the disc
				} else if (strcmp(book_cmd, "save") == 0) {
					parse_word(book_param, book_file, FILENAME_MAX);
					book_save(book, book_file);

				// import an opening book (text format)
				} else if (strcmp(book_cmd, "import") == 0) {
					book_free(book);
					parse_word(book_param, book_file, FILENAME_MAX);
					book_import(book, book_file);
					book_link(book);
					book_fix(book);
					book_negamax(book);
					book_sort(book);

				// export an opening book (text format)
				} else if (strcmp(book_cmd, "export") == 0) {
					parse_word(book_param, book_file, FILENAME_MAX);
					book_export(book, book_file);

				// merge an opening book to the current one
				} else if (strcmp(book_cmd, "merge") == 0) {
					Book src[1];
					parse_word(book_param, book_file, FILENAME_MAX);
					src->search = play->search;
					book_load(src, book_file);
					book_merge(book, src);
					book_free(src);
					warn("Book needs to be fixed before usage\n");

				// fix an opening book
				} else if (strcmp(book_cmd, "fix") == 0) {
					book_fix(book); // do nothing (or edax is buggy)
					book_link(book); // links nodes
					book_negamax(book); // negamax nodes
					book_sort(book); // sort moves

				// negamax an opening book
				} else if (strcmp(book_cmd, "negamax") == 0) {
					book_negamax(book); // negamax nodes
					book_sort(book); // sort moves

				// check and correct solved positions of the book
				} else if (strcmp(book_cmd, "correct") == 0) {
					book_correct_solved(book); // do nothing (or edax is buggy)
					book_fix(book); // do nothing (or edax is buggy)
					book_link(book); // links nodes
					book_negamax(book); // negamax nodes
					book_sort(book); // sort moves

				// prune an opening book
				} else if (strcmp(book_cmd, "prune") == 0) {
					book_prune(book); // remove unreachable lines.
					book_fix(book); // do nothing (or edax is buggy)
					book_link(book); // links nodes
					book_negamax(book); // negamax nodes
					book_sort(book); // sort moves

				// show the current position as stored in the book
				} else if (strcmp(book_cmd, "show") == 0) {
					book_show(book, play->board);

				// show book general information
				} else if (strcmp(book_cmd, "info") == 0) {
					book_info(book);

				// show book general information
				} else if (strcmp(book_cmd, "stats") == 0) {
					book_stats(book);


				// set book verbosity
				} else if (strcmp(book_cmd, "verbose") == 0) {
					parse_int(book_param, &book->options.verbosity);
					book->search->options.verbosity = book->options.verbosity;

				// analyze a game from the opening book point of view
				} else if (strcmp(book_cmd, "a") == 0 || strcmp(book_cmd, "analyze") == 0 || strcmp(book_cmd, "analyse") == 0) {
					val_1 = string_to_int(book_param, play->n_game); BOUND(val_1, 1, play->n_game, "depth");
					play_book_analyze(play, val_1);

				// add positions from a game database
				} else if (strcmp(book_cmd, "add") == 0) {
					Base base[1];
					parse_word(book_param, book_file, FILENAME_MAX);
					base_init(base);
					base_load(base, book_file);
					book_add_base(book, base);
					base_free(base);

				// check positions from a game database
				} else if (strcmp(book_cmd, "check") == 0) {
					Base base[1];
					parse_word(book_param, book_file, FILENAME_MAX);
					base_init(base);
					base_load(base, book_file);
					book_check_base(book, base);
					base_free(base);

				// extract positions
				} else if (strcmp(book_cmd, "problem") == 0) {
					val_1 = 24; book_param = parse_int(book_param, &val_1); BOUND(val_1, 0, 60, "number of empties");
					val_2 = 10; book_param = parse_int(book_param, &val_2); BOUND(val_2, 1, 1000000, "number of positions");
					book_extract_positions(book, val_1, val_2);
					
				// extract pv to a game database
				} else if (strcmp(book_cmd, "extract") == 0) {
					Base base[1];
					parse_word(book_param, book_file, FILENAME_MAX);
					base_init(base);
					book_extract_skeleton(book, base);
					base_save(base, book_file);
					base_free(base);

				// add position using the "deviate algorithm"
				} else if (strcmp(book_cmd, "deviate") == 0) {
					val_1 = 2; book_param = parse_int(book_param, &val_1); BOUND(val_1, -129, 129, "relative error");
					val_2 = 4; book_param = parse_int(book_param, &val_2); BOUND(val_2, 0, 65, "absolute error");
					book_deviate(book, play->board, val_1, val_2);

				// add position using the "enhance algorithm"
				} else if (strcmp(book_cmd, "enhance") == 0) {
					val_1 = 2; book_param = parse_int(book_param, &val_1); BOUND(val_1, 0, 129, "midgame error");
					val_2 = 4; book_param = parse_int(book_param, &val_2); BOUND(val_2, 0, 129, "endcut error");
					book_enhance(book, play->board, val_1, val_2);

				// add position by filling hole in the book
				} else if (strcmp(book_cmd, "fill") == 0) {
					val_1 = 1; book_param = parse_int(book_param, &val_1); BOUND(val_1, 1, 61, "fill depth");
					book_fill(book, val_1);

				// add positions by expanding positions with no-link
				} else if (strcmp(book_cmd, "play") == 0) {
					book_play(book);

				// add positions by expanding positions with no-link
				} else if (strcmp(book_cmd, "deepen") == 0) {
					book_deepen(book);

				// add book positions to the hash table
				} else if (strcmp(book_cmd, "feed-hash") == 0) {
					book_feed_hash(book, play->board, play->search);

				// wrong command ?
				} else {
					warn("Unknown book command: \"%s %s\"\n", cmd, param);
				}
				book->options.verbosity = book->search->options.verbosity;
				book->search->options.verbosity = options.verbosity;

			/* base TODO: add more actions... */
			} else if (strcmp(cmd, "base") == 0) {
				char base_file[FILENAME_MAX + 1];
				char base_cmd[512], *base_param;
				Base base[1];

				base_init(base);
				base_param = parse_word(param, base_cmd, 511);
				base_param = parse_word(base_param, base_file, FILENAME_MAX);

				// extract problem from a game base
				if (strcmp(base_cmd, "problem") == 0) {
					char problem_file[FILENAME_MAX + 1];
					int n_empties = 24;
					base_param = parse_int(base_param, &n_empties);
					base_param = parse_word(base_param, problem_file, FILENAME_MAX);

					base_load(base, base_file);
					base_to_problem(base, n_empties, problem_file);

				// extract FEN 
				} else if (strcmp(base_cmd, "tofen") == 0) {
					char problem_file[FILENAME_MAX + 1];
					int n_empties = 24;
					base_param = parse_int(base_param, &n_empties);
					base_param = parse_word(base_param, problem_file, FILENAME_MAX);

					base_load(base, base_file);
					base_to_FEN(base, n_empties, problem_file);
	
				// correct erroneous games
				} else if (strcmp(base_cmd, "correct") == 0) {
					int n_empties = 24;
					base_param = parse_int(base_param, &n_empties);

					base_load(base, base_file);
					base_analyze(base, play->search, n_empties, true);
					remove(base_file);
					base_save(base, base_file);

				// check erroneous games
				} else if (strcmp(base_cmd, "check") == 0) {
					int n_empties = 24;
					base_param = parse_int(base_param, &n_empties);

					base_load(base, base_file);
					base_analyze(base, play->search, n_empties, false);

				// terminate unfinished base
				} else if (strcmp(base_cmd, "complete") == 0) {
					base_load(base, base_file);
					base_complete(base, play->search);
					remove(base_file);
					base_save(base, base_file);

				// convert a base to another format
				} else if (strcmp(base_cmd, "convert") == 0) {
					base_load(base, base_file);
					base_param = parse_word(base_param, base_file, FILENAME_MAX);
					base_save(base, base_file);

				// make a base unique by removing identical games
				} else if (strcmp(base_cmd, "unique") == 0) {
					base_load(base, base_file);
					base_param = parse_word(base_param, base_file, FILENAME_MAX);
					base_unique(base);
					base_save(base, base_file);

				// compare two game bases
				} else if (strcmp(base_cmd, "compare") == 0) {
					char base_file_2[FILENAME_MAX + 1];
					base_param = parse_word(base_param, base_file_2, FILENAME_MAX);
					base_compare(base_file, base_file_2);

				} else {
					warn("Unknown base command: \"%s %s\"\n", cmd, param);
				}

				base_free(base);

			/* edax options */
			} else if (options_read(cmd, param)) {
				options_bound();
				// parallel search changes:
				if (search_count_tasks(play->search) != options.n_task) {
					play_stop_pondering(play);
					search_set_task_number(play->search, options.n_task);
				}

			/* switch to another protocol */
			} else if (strcmp(cmd, "nboard") == 0 && strcmp(param, "1") == 0) {
				free(cmd); free(param);
				play_stop_pondering(play);
				ui->free(ui);
				ui_switch(ui, "nboard");
				ui->init(ui);
				ui->loop(ui);
				return;

			} else if (strcmp(cmd, "xboard") == 0) {
				free(cmd); free(param);
				play_stop_pondering(play);
				ui->free(ui);
				ui_switch(ui, "xboard");
				ui->init(ui);
				ui->loop(ui);
				return;

			} else if (strcmp(cmd, "engine-protocol") == 0 && strcmp(param, "init") == 0) {
				free(cmd); free(param);
				play_stop_pondering(play);
				ui->free(ui);
				ui_switch(ui, "cassio");
				engine_loop();
				return;

			} else if (strcmp(cmd, "protocol_version") == 0) {
				free(cmd); free(param);
				play_stop_pondering(play);
				ui->free(ui);
				ui_switch(ui, "gtp");
				ui->init(ui);
				puts("= 2\n"); fflush(stdout);
				ui->loop(ui);
				return;

#ifdef TUNE_EDAX
			/* edax tuning */
			} else if (strcmp(cmd, "tune") == 0) {
				char problem[FILENAME_MAX];
				char *w_name;
				play_stop_pondering(play);
				w_name = parse_word(param, problem, FILENAME_MAX);
				tune_move_evaluate(play->search, problem, parse_skip_spaces(w_name));
				search_set_observer(play->search, edax_observer);
#endif
			/* illegal cmd/move */
			} else {
				warn("Unknown command/Illegal move: \"%s %s\"\n", cmd, param);
			}
		}
	}
}