* Version of this script. If the server returns a version larger than
* this, it is a sign we should reload to upgrade ourselves.
*
- * @type {Number}
+ * @type {number}
* @const
* @private */
-let SCRIPT_VERSION = 2021021300;
+let SCRIPT_VERSION = 2023122700;
/**
* The current backend URL.
/** Currently displayed refutation lines (on-screen).
* Can either come from the current_analysis_data, displayed_analysis_data,
* or hash_refutation_lines.
+ *
+ * TODO: This is a mess, and we should probably just let update_refutation_lines()
+ * decide anew every time instead of storing the state here in multiple global
+ * variables.
+ *
+ * @type {Array.<{
+ * score: Array,
+ * depth: string,
+ * pv: Array.<string>,
+ * move: string
+ * }>}
+ * @private
*/
let refutation_lines = [];
*/
let hash_refutation_lines = null;
-/** @type {!number} @private */
-let move_num = 1;
-
-/** @type {!string} @private */
-let toplay = 'W';
+/**
+ * What FEN refutation_lines is relative to. Will usually be base_fen,
+ * but if another move gets loaded while we are looking, they can diverge.
+ */
+let refutation_lines_base_fen = null;
/** @type {number} @private */
let ims = 0;
/** @type {?number} @private */
let unique = null;
+/** @type {?string} @private */
+let admin_password = null;
+
/** @type {boolean} @private */
let enable_sound = false;
* toplay: string,
* scores: Array<{first_move: number, score: Object}>,
* start_display_move_num: number
- * }} DisplayLine
+ * }}
*
* "start_display_move_num" is the (half-)move number to start displaying the PV at.
* "score" is also evaluated at this point.
*/
+var DisplayLine;
/** All PVs that we currently know of.
*
* The current timer to fire off a request to get main analysis (not history),
* if any, so that we can abort it.
*
- * @type {?Number}
+ * @type {?number}
* @private
*/
let current_analysis_request_timer = null;
* The current timer to display hash probe information (it could be waiting on the
* board to stop animating), if any, so that we can abort it.
*
- * @type {?Number}
+ * @type {?number}
* @private
*/
let current_hash_display_timer = null;
if (ding && ding.play) {
if (old_data['position'] && old_data['position']['fen'] &&
new_data['position'] && new_data['position']['fen'] &&
- (old_data['position']['fen'] !== new_data['position']['fen'] ||
- old_data['position']['move_num'] !== new_data['position']['move_num'])) {
+ old_data['position']['fen'] !== new_data['position']['fen']) {
ding.play();
}
}
}
}
+/** @param {!string} fen
+ * @return {!string}
+ *
+ * Return whose side it is to play (w or b), given a FEN.
+ */
+function find_toplay(fen) {
+ return fen.split(' ')[1];
+}
+
+/** @param {!string} fen
+ * @return {!number}
+ *
+ * Return the move clock, starting from 1. See also find_toplay().
+ */
+function find_move_num(fen) {
+ return parseInt(fen.split(' ')[5]);
+}
+
/** @param {!number} x
* @return {!number}
*/
moves.push(move);
}
}
- moves = moves.sort(function(a, b) { return compare_by_score(data['refutation_lines'], data['position']['toplay'] === 'B', a, b) });
+ let toplay = find_toplay(data['position']['fen']);
+ moves = moves.sort(function(a, b) { return compare_by_score(data['refutation_lines'], toplay, a, b) });
moves.unshift(data['pv'][0]);
return moves;
/**
* @param {!string} start_fen
* @param {Array.<string>} pv
- * @param {number} move_num
- * @param {!string} toplay
- * @param {Array<{ first_move: integer, score: Object }>} scores
+ * @param {Array<{ first_move: number, score: Object }>} scores
* @param {number} start_display_move_num
* @param {number=} opt_limit
* @param {boolean=} opt_showlast
*/
-function add_pv(start_fen, pv, move_num, toplay, scores, start_display_move_num, opt_limit, opt_showlast) {
+function add_pv(start_fen, pv, scores, start_display_move_num, opt_limit, opt_showlast) {
display_lines.push({
start_fen: start_fen,
pv: pv,
- move_num: parseInt(move_num),
- toplay: toplay,
+ move_num: find_move_num(start_fen),
+ toplay: find_toplay(start_fen),
scores: scores,
start_display_move_num: start_display_move_num
});
if (start_display_move_num > 0) {
pv = pv.slice(start_display_move_num);
let to_add = start_display_move_num;
- if (toplay === 'B') {
+ if (toplay === 'b') {
++move_num;
- toplay = 'W';
+ toplay = 'w';
--to_add;
}
if (to_add % 2 == 1) {
- toplay = 'B';
+ toplay = 'b';
--to_add;
}
move_num += to_add / 2;
let i = 0;
if (opt_limit && opt_showlast && pv.length > opt_limit) {
// Truncate the PV at the beginning (instead of at the end).
- // We assume here that toplay is 'W'. We also assume that if
+ // We assume here that toplay is 'w'. We also assume that if
// opt_showlast is set, then it is the history, and thus,
// the UI should be to expand the history.
ret.appendChild(document.createTextNode('('));
++i;
}
move_num += i / 2;
- } else if (toplay == 'B' && pv.length > 0) {
+ } else if (toplay == 'b' && pv.length > 0) {
ret.appendChild(document.createTextNode(move_num + '. … '));
}
for (; i < pv.length; ++i) {
in_tb = true;
}
- if (toplay == 'B' && i == 0) {
+ if (toplay == 'b' && i == 0) {
++move_num;
- toplay = 'W';
- } else if (toplay == 'W') {
+ toplay = 'w';
+ } else if (toplay == 'w') {
if (i > opt_limit && !opt_showlast) {
if (in_tb) {
prefix += ')';
}
prefix += ' ' + move_num + '. ';
++move_num;
- toplay = 'B';
+ toplay = 'b';
} else {
prefix += ' ';
- toplay = 'W';
+ toplay = 'w';
}
ret.appendChild(document.createTextNode(prefix));
* Also recreates the global "display_lines".
*/
function update_refutation_lines() {
- if (base_fen === null) {
+ if (refutation_lines_base_fen === null) {
return;
}
if (display_lines.length > 2) {
moves.push(move);
}
- let invert = (toplay === 'B');
+ let invert = (find_toplay(refutation_lines_base_fen) === 'b');
if (current_display_line && current_display_move % 2 == 0 && !current_display_line_is_history) {
invert = !invert;
}
let pv_td = document.createElement("td");
tr.appendChild(pv_td);
pv_td.classList.add("pv");
- pv_td.append(add_pv(base_fen, base_line.concat([ line['move'] ]), move_num, toplay, scores, start_display_move_num));
+ pv_td.append(add_pv(refutation_lines_base_fen, base_line.concat([ line['move'] ]), scores, start_display_move_num));
tbl.append(tr);
continue;
let pv_td = document.createElement("td");
tr.appendChild(pv_td);
pv_td.classList.add("pv");
- pv_td.append(add_pv(base_fen, base_line.concat(line['pv']), move_num, toplay, scores, start_display_move_num, 10));
+ pv_td.append(add_pv(refutation_lines_base_fen, base_line.concat(line['pv']), scores, start_display_move_num, 10));
tbl.append(tr);
}
// unconditionally taken from current_data (we're not interested in
// historic history).
if (current_data['position']['history']) {
- let start = (current_data['position'] && current_data['position']['start_fen']) ? current_data['position']['start_fen'] : 'start';
- add_pv(start, current_data['position']['history'], 1, 'W', null, 0, 8, true);
+ let start = (current_data['position'] && current_data['position']['start_fen']) ? current_data['position']['start_fen'] : 'rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1';
+ add_pv(start, current_data['position']['history'], null, 0, 8, true);
} else {
display_lines.push(null);
}
headline = 'Analysis';
}
- // Credits, where applicable. Note that we don't want the footer to change a lot
- // when e.g. viewing history, so if any of these changed during the game,
- // use the current one still.
- if (current_data['using_lomonosov']) {
- document.getElementById("lomonosov").style.display = null;
- } else {
- document.getElementById("lomonosov").style.display = 'none';
- }
-
// Credits: The engine name/version.
if (current_data['engine'] && current_data['engine']['name'] !== null) {
document.getElementById("engineid").textContent = current_data['engine']['name'];
} else if (data['position']['last_move'] !== 'none') {
// Find the previous move.
let previous_move_num, previous_toplay;
- if (data['position']['toplay'] == 'B') {
- previous_move_num = data['position']['move_num'];
- previous_toplay = 'W';
+ let fen = data['position']['fen'];
+ if (find_toplay(fen) === 'b') {
+ previous_move_num = find_move_num(fen);
+ previous_toplay = 'w';
} else {
- previous_move_num = data['position']['move_num'] - 1;
- previous_toplay = 'B';
+ previous_move_num = find_move_num(fen) - 1;
+ previous_toplay = 'b';
}
last_move = format_move_with_number(
data['position']['last_move'],
previous_move_num,
- previous_toplay == 'W');
+ previous_toplay == 'w');
headline += ' after ' + last_move;
} else {
last_move = null;
document.getElementById("whiteclock").replaceChildren();
document.getElementById("blackclock").replaceChildren();
refutation_lines = [];
+ refutation_lines_base_fen = null;
update_refutation_lines();
clear_arrows();
update_displayed_line();
// The search stats.
if (data['searchstats']) {
document.getElementById("searchstats").textContent = data['searchstats'];
- } else if (data['tablebase'] == 1) {
- document.getElementById("searchstats").textContent = "Tablebase result";
} else if (data['nodes'] && data['nps'] && data['depth']) {
let stats = thousands(data['nodes']) + ' nodes, ' + thousands(data['nps']) + ' nodes/sec, depth ' + data['depth'] + ' ply';
if (data['seldepth']) {
} else {
document.getElementById("searchstats").textContent = "";
}
+ if (admin_password !== null) {
+ document.getElementById("searchstats").innerHTML += " | <span style=\"color: red;\">ADMIN MODE (if password is right)</span>";
+ }
// Update the board itself.
base_fen = data['position']['fen'];
document.getElementById("pvtitle").textContent = "PV:";
let scores = [{ first_move: -1, score: data['score'] }];
- document.getElementById("pv").replaceChildren(add_pv(data['position']['fen'], data['pv'], data['position']['move_num'], data['position']['toplay'], scores, 0));
+ document.getElementById("pv").replaceChildren(add_pv(data['position']['fen'], data['pv'], scores, 0));
// Update the PV arrow.
clear_arrows();
+ let toplay = find_toplay(data['position']['fen']);
if (data['pv'].length >= 1) {
let hiddenboard = new Chess(base_fen);
hiddenboard.move(data['pv'][i + 1]); // To keep continuity.
}
- let alt_moves = find_nonstupid_moves(data, 30, data['position']['toplay'] === 'B');
+ let alt_moves = find_nonstupid_moves(data, 30, toplay === 'b');
for (let i = 1; i < alt_moves.length && i < 3; ++i) {
hiddenboard = new Chess(base_fen);
let move = patch_move(hiddenboard.move(alt_moves[i]));
// See if all semi-reasonable moves have only one possible response.
if (data['pv'].length >= 2) {
- let nonstupid_moves = find_nonstupid_moves(data, 300, data['position']['toplay'] === 'B');
+ let nonstupid_moves = find_nonstupid_moves(data, 300, toplay === 'b');
let hiddenboard = new Chess(base_fen);
hiddenboard.move(data['pv'][0]);
let response = hiddenboard.move(data['pv'][1]);
// Update the refutation lines.
base_fen = data['position']['fen'];
- move_num = parseInt(data['position']['move_num']);
- toplay = data['position']['toplay'];
- refutation_lines = hash_refutation_lines || data['refutation_lines'];
+ if (hash_refutation_lines === null) {
+ refutation_lines = data['refutation_lines'];
+ refutation_lines_base_fen = base_fen;
+ }
update_refutation_lines();
// Update the sparkline last, since its size depends on how everything else reflowed.
}
}
if (first_move_num !== undefined) {
- let last_move_num = data['position']['move_num'] * 2 - 3;
- if (data['position']['toplay'] === 'B') {
+ let fen = data['position']['fen'];
+ let last_move_num = find_move_num(fen) * 2 - 3;
+ if (find_toplay(fen) === 'b') {
++last_move_num;
}
}
/**
- * @param {Number} remaining_ms
+ * @param {number} remaining_ms
* @param {boolean} show_seconds
*/
function format_clock(remaining_ms, show_seconds) {
}
/**
- * @param {Number} x
+ * @param {number} x
*/
function format_2d(x) {
if (x >= 10) {
/**
* @param {string} move
- * @param {Number} move_num Move number of this move.
+ * @param {number} move_num Move number of this move.
* @param {boolean} white_to_play Whether white is to play this move.
*/
function format_move_with_number(move, move_num, white_to_play) {
/**
* @param {string} move
- * @param {Number} halfmove_num Half-move number that is to be played,
+ * @param {number} halfmove_num Half-move number that is to be played,
* starting from 0.
*/
function format_halfmove_with_number(move, halfmove_num) {
/**
* @param {Object} data
- * @param {Number} halfmove_num
+ * @param {number} halfmove_num
*/
function format_tooltip(data, halfmove_num) {
if (data['score_history'][halfmove_num + 1] ||
current_display_line = null;
current_display_move = null;
hash_refutation_lines = null;
+ refutation_lines_base_fen = base_fen;
if (displayed_analysis_data) {
// TODO: Support exiting to history position if we are in an
// analysis line of a history position.
function set_board_position(new_fen) {
board_is_animating = true;
let old_fen = board.fen();
- board.position(new_fen);
+ let animate = old_fen !== '8/8/8/8/8/8/8/';
+ board.position(new_fen, animate);
if (board.fen() === old_fen) {
board_is_animating = false;
}
}
current_hash_display_timer = null;
hash_refutation_lines = data['lines'];
+ refutation_lines_base_fen = fen;
update_board();
}
if (move === null) return 'snapback';
}
+/**
+ * If we are in admin mode, send this move to the backend.
+ *
+ * @param {string} fen
+ * @param {string} move
+ */
+function send_chosen_move(fen, move) {
+ if (admin_password !== null) {
+ let history = current_analysis_data['position']['history'];
+ let url = '/manual-override.pl';
+ url += '?fen=' + encodeURIComponent(fen);
+ url += '&history=' + encodeURIComponent(JSON.stringify(history));
+ url += '&move=' + encodeURIComponent(move);
+ url += '&player_w=' + encodeURIComponent(current_analysis_data['position']['player_w']);
+ url += '&player_b=' + encodeURIComponent(current_analysis_data['position']['player_b']);
+ url += '&password=' + encodeURIComponent(admin_password);
+
+ console.log(fen, history);
+ fetch(url); // Ignore the result.
+ }
+}
+
function onSnapEnd(source, target) {
if (source === target && recommended_move !== null) {
source = recommended_move.from;
promotion: 'q' // NOTE: always promote to a queen for example simplicity
});
+ if (admin_password !== null) {
+ send_chosen_move(display_fen, move.san);
+ return;
+ }
+
// Move ahead on the line we're on -- this includes history if we've
// gone backwards.
if (current_display_line &&
set_sound(false);
}
+ let admin_match = window.location.href.match(/\?password=([a-zA-Z0-9_-]+)/);
+ if (admin_match !== null) {
+ admin_password = admin_match[1];
+ }
+
// Create board.
board = new window.ChessBoard('board', {
onMoveEnd: function() { board_is_animating = false; },