(function() {
var board = null;
-var moves = [];
+var history = [];
var move_override = 0;
+var entity_map = {
+ "&": "&",
+ "<": "<",
+ ">": ">",
+ '"': '"',
+ "'": ''',
+};
+
+function escape_html(string) {
+ return String(string).replace(/[&<>"']/g, function (s) {
+ return entity_map[s];
+ });
+}
+
var get_game = function() {
var game = new Chess();
for (var i = 0; i < move_override; ++i) {
- game.move(moves[i]);
+ game.move(history[i]);
}
return game;
}
var update = function() {
+ var text = "";
+ for (var i = 0; i < history.length; ++i) {
+ if (i % 2 == 0) {
+ text += (i/2 + 1) + ". ";
+ }
+ if (i + 1 == move_override) {
+ text += '<strong>' + history[i] + '</strong>';
+ } else {
+ text += '<a href="javascript:set_move(' + (i + 1) + ')">' + history[i] + '</a>';
+ }
+ text += " ";
+ }
+ $('#gamehistory').html(text);
+
var game = get_game();
board.position(game.fen());
+
+ var all_moves = game.history({ verbose: true });
+ if (all_moves.length > 0) {
+ var last_move = all_moves.pop();
+ var highlight_from = last_move.from;
+ var highlight_to = last_move.to;
+ $("#board").find('.square-55d63').removeClass('nonuglyhighlight');
+ $("#board").find('.square-' + highlight_from).addClass('nonuglyhighlight');
+ $("#board").find('.square-' + highlight_to).addClass('nonuglyhighlight');
+ }
+
fetch_analysis();
}
$(td).text(value);
}
+var TYPE_MOVE = 0;
+var TYPE_INTEGER = 1;
+var TYPE_FLOAT = 2;
+var TYPE_RATIO = 3;
+
+var headings = [
+ [ "Move", TYPE_MOVE ],
+ [ "Games", TYPE_INTEGER ],
+ [ "%", TYPE_RATIO ],
+ [ "Win%", TYPE_RATIO ],
+ [ "WWin", TYPE_INTEGER ],
+ [ "%WW", TYPE_RATIO ],
+ [ "Bwin", TYPE_INTEGER ],
+ [ "%BW", TYPE_RATIO ],
+ [ "Draw", TYPE_INTEGER ],
+ [ "Draw%", TYPE_RATIO ],
+ [ "AvWElo", TYPE_FLOAT ],
+ [ "AvBElo", TYPE_FLOAT ],
+ [ "EloVar", TYPE_FLOAT ],
+ [ "AWin%", TYPE_RATIO ],
+];
+var sort_by = 1;
+var direction = 1;
+
var show_lines = function(data, game) {
var moves = data['moves'];
$('#numviewers').text(data['opening']);
+
+ if (data['root_game']) {
+ var text = escape_html(data['root_game']['white']);
+ if (data['root_game']['white_elo']) {
+ text += " (" + escape_html(data['root_game']['white_elo']) + ")";
+ }
+ text += " – " + escape_html(data['root_game']['black']);
+ if (data['root_game']['black_elo']) {
+ text += " (" + escape_html(data['root_game']['black_elo']) + ")";
+ }
+ text += " " + escape_html(data['root_game']['result']).replace(/-/, "–") + "<br />";
+ if (data['root_game']['eco']) {
+ text += "[" + escape_html(data['root_game']['eco']) + "] ";
+ }
+ text += "(" + data['root_game']['moves'] + ") ";
+ text += escape_html(data['root_game']['event']) + " " + escape_html(data['root_game']['date']);
+ $('#gamesummary').html(text);
+ }
+
var total_num = 0;
for (var i = 0; i < moves.length; ++i) {
var move = moves[i];
- total_num += parseInt(move['white']);
- total_num += parseInt(move['draw']);
- total_num += parseInt(move['black']);
- }
+ if (move['move']) {
+ total_num += parseInt(move['white']);
+ total_num += parseInt(move['draw']);
+ total_num += parseInt(move['black']);
+ }
+ }
- var tbl = $("#lines");
- tbl.empty();
+ var headings_tr = $("#headings");
+ headings_tr.empty();
+ for (var i = 0; i < headings.length; ++i) {
+ var th = document.createElement("th");
+ headings_tr.append(th);
+ $(th).text(headings[i][0]);
+ (function(new_sort_by) {
+ $(th).click(function() {
+ if (sort_by == new_sort_by) {
+ direction = -direction;
+ } else {
+ sort_by = new_sort_by;
+ direction = 1;
+ }
+ show_lines(data, game);
+ });
+ })(i);
+ }
+ var lines = [];
for (var i = 0; i < moves.length; ++i) {
var move = moves[i];
- var tr = document.createElement("tr");
+ var line = [];
var white = parseInt(move['white']);
var draw = parseInt(move['draw']);
var black = parseInt(move['black']);
- // Move.
- var move_td = document.createElement("td");
- tr.appendChild(move_td);
- $(move_td).addClass("move");
-
- var move_a = document.createElement("a");
- move_a.href = "javascript:make_move('" + move['move'] + "')";
- move_td.appendChild(move_a);
- $(move_a).text(move['move']);
-
- // #.
+ line.push(move['move']); // Move.
var num = white + draw + black;
- add_td(tr, num);
-
- // %.
- add_td(tr, (100.0 * num / total_num).toFixed(1) + "%");
+ line.push(num); // N.
+ line.push(num / total_num); // %.
// Win%.
var white_win_ratio = (white + 0.5 * draw) / num;
var win_ratio = (game.turn() == 'w') ? white_win_ratio : 1.0 - white_win_ratio;
- add_td(tr, ((100.0 * win_ratio).toFixed(1) + "%"));
-
- // Elo.
- add_td(tr, move['white_avg_elo'].toFixed(1));
- add_td(tr, move['black_avg_elo'].toFixed(1));
-
- // Win% corrected for Elo.
- var win_elo = -400.0 * Math.log(1.0 / white_win_ratio - 1.0) / Math.LN10;
- win_elo -= (move['white_avg_elo'] - move['black_avg_elo']);
- white_win_ratio = 1.0 / (1.0 + Math.pow(10, win_elo / -400.0));
- win_ratio = (game.turn() == 'w') ? white_win_ratio : 1.0 - white_win_ratio;
- add_td(tr, ((100.0 * win_ratio).toFixed(1) + "%"));
-
- if (false) {
- // Win bars (W/D/B).
- var winbar_td = document.createElement("td");
- $(winbar_td).addClass("winbars");
- tr.appendChild(winbar_td);
- var winbar_table = document.createElement("table");
- winbar_td.appendChild(winbar_table);
- var winbar_tr = document.createElement("tr");
- winbar_table.appendChild(winbar_tr);
-
- if (white > 0) {
- var white_percent = (100.0 * white / num).toFixed(0) + "%";
- var white_td = document.createElement("td");
- winbar_tr.appendChild(white_td);
- $(white_td).addClass("white");
- white_td.style.width = white_percent;
- $(white_td).text(white_percent);
- }
- if (draw > 0) {
- var draw_percent = (100.0 * draw / num).toFixed(0) + "%";
- var draw_td = document.createElement("td");
- winbar_tr.appendChild(draw_td);
- $(draw_td).addClass("draw");
- draw_td.style.width = draw_percent;
- $(draw_td).text(draw_percent);
- }
- if (black > 0) {
- var black_percent = (100.0 * black / num).toFixed(0) + "%";
- var black_td = document.createElement("td");
- winbar_tr.appendChild(black_td);
- $(black_td).addClass("black");
- black_td.style.width = black_percent;
- $(black_td).text(black_percent);
+ line.push(win_ratio);
+
+ line.push(white); // WWin.
+ line.push(white / num); // %WW.
+ line.push(black); // BWin.
+ line.push(black / num); // %BW.
+ line.push(draw); // Draw.
+ line.push(draw / num); // %Draw.
+
+ if (move['num_elo'] >= 10) {
+ // Elo.
+ line.push(move['white_avg_elo']);
+ line.push(move['black_avg_elo']);
+ line.push(move['white_avg_elo'] - move['black_avg_elo']);
+
+ // Win% corrected for Elo.
+ var win_elo = -400.0 * Math.log(1.0 / white_win_ratio - 1.0) / Math.LN10;
+ win_elo -= (move['white_avg_elo'] - move['black_avg_elo']);
+ white_win_ratio = 1.0 / (1.0 + Math.pow(10, win_elo / -400.0));
+ win_ratio = (game.turn() == 'w') ? white_win_ratio : 1.0 - white_win_ratio;
+ line.push(win_ratio);
+ } else {
+ line.push(null);
+ line.push(null);
+ line.push(null);
+ line.push(null);
+ }
+ lines.push(line);
+ }
+
+ lines.sort(function(a, b) { return direction * ( b[sort_by] - a[sort_by]); });
+
+ var tbl = $("#lines");
+ tbl.empty();
+
+ for (var i = 0; i < moves.length; ++i) {
+ var line = lines[i];
+ var tr = document.createElement("tr");
+
+ if (line[0] === undefined) {
+ $(tr).addClass("totals");
+ }
+
+ for (var j = 0; j < line.length; ++j) {
+ if (line[j] === null) {
+ add_td(tr, "");
+ } else if (headings[j][1] == TYPE_MOVE) {
+ var td = document.createElement("td");
+ tr.appendChild(td);
+ $(td).addClass("move");
+ if (line[j] !== undefined) {
+ if (move_override % 2 == 0) {
+ $(td).text(((move_override / 2) + 1) + ". ");
+ } else {
+ $(td).text(((move_override / 2) + 0.5) + "…");
+ }
+ }
+
+ var move_a = document.createElement("a");
+ move_a.href = "javascript:make_move('" + line[j] + "')";
+ td.appendChild(move_a);
+ $(move_a).text(line[j]);
+ } else if (headings[j][1] == TYPE_INTEGER) {
+ add_td(tr, line[j]);
+ } else if (headings[j][1] == TYPE_FLOAT) {
+ add_td(tr, line[j].toFixed(1));
+ } else {
+ add_td(tr, (100.0 * line[j]).toFixed(1) + "%");
}
}
}
var make_move = function(move) {
- moves.length = move_override;
- moves.push(move);
- move_override = moves.length;
+ if (move_override < history.length && history[move_override] == move) {
+ // User effectively only moved forward in history.
+ ++move_override;
+ } else {
+ history.length = move_override;
+ history.push(move);
+ move_override = history.length;
+ }
update();
}
window['make_move'] = make_move;
window['prev_move'] = prev_move;
var next_move = function() {
- if (move_override < moves.length) {
+ if (move_override < history.length) {
++move_override;
update();
}
}
window['next_move'] = next_move;
+var set_move = function(n) {
+ move_override = n;
+ update();
+}
+window['set_move'] = set_move;
+
// almost all of this stuff comes from the chessboard.js example page
var onDragStart = function(source, piece, position, orientation) {
var game = get_game();
// illegal move
if (move === null) return 'snapback';
- moves = game.history({ verbose: true });
- move_override = moves.length;
+ var new_history = game.history({ verbose: true });
+ history = [];
+ for (var i = 0; i < new_history.length; ++i) {
+ history.push(new_history[i].san);
+ }
+ move_override = history.length;
+ update();
};
// update the board position after the piece snap
projects / remoteglot-book / blobdiff