var ims = 0;
/** @type {boolean} @private */
-var sort_refutation_lines_by_score = false;
+var sort_refutation_lines_by_score = true;
/** @type {!string|undefined} @private */
var highlight_from = undefined;
* @param {number} move_num
* @param {!string} toplay
* @param {number=} opt_limit
+ * @param {boolean=} opt_showlast
*/
-var print_pv = function(fen, uci_pv, pretty_pv, move_num, toplay, opt_limit) {
+var print_pv = function(fen, uci_pv, pretty_pv, move_num, toplay, opt_limit, opt_showlast) {
display_lines.push({
start_fen: fen,
uci_pv: uci_pv,
var pv = '';
var i = 0;
- if (toplay == 'B') {
+ if (opt_limit && opt_showlast) {
+ // Truncate the PV at the beginning (instead of at the end).
+ // We assume here that toplay is 'W'.
+ pv = '(…) ';
+ i = pretty_pv.length - opt_limit;
+ if (i % 2 == 1) {
+ ++i;
+ }
+ move_num += i / 2;
+ } else if (toplay == 'B') {
var move = "<a class=\"move\" href=\"javascript:show_line(" + (display_lines.length - 1) + ", " + 0 + ");\">" + pretty_pv[0] + "</a>";
pv = move_num + '. … ' + move;
toplay = 'W';
var move = "<a class=\"move\" href=\"javascript:show_line(" + (display_lines.length - 1) + ", " + i + ");\">" + pretty_pv[i] + "</a>";
if (toplay == 'W') {
- if (i > opt_limit) {
+ if (i > opt_limit && !opt_showlast) {
return pv + ' (…)';
}
if (pv != '') {
display_lines = [];
// The headline.
- var headline = 'Analysis';
+ var headline;
+ if (data['position']['player_w'] && data['position']['player_b']) {
+ headline = data['position']['player_w'] + '–' +
+ data['position']['player_b'] + ', analysis';
+ } else {
+ headline = 'Analysis';
+ }
if (data['position']['last_move'] !== 'none') {
headline += ' after '
if (data['position']['toplay'] == 'W') {
$("#numviewers").text(num_viewers + " current viewers");
}
+ // The engine id.
+ if (data['id'] && data['id']['name'] !== null) {
+ $("#engineid").text(data['id']['name']);
+ }
+
// The score.
if (data['score'] !== null) {
$("#score").text(data['score']);
}
if (data['tbhits'] && data['tbhits'] > 0) {
if (data['tbhits'] == 1) {
- stats += ', one Nalimov hit';
+ stats += ', one Syzygy hit';
} else {
- stats += ', ' + data['tbhits'] + ' Nalimov hits';
+ stats += ', ' + thousands(data['tbhits']) + ' Syzygy hits';
}
}
}
update_highlight();
+ // Print the history.
+ if (data['position']['history']) {
+ $("#history").html(print_pv('start', data['position']['history'], data['position']['pretty_history'], 1, 'W', 8, true));
+ } else {
+ $("#history").html("No history");
+ }
+
// Print the PV.
$("#pv").html(print_pv(data['position']['fen'], data['pv_uci'], data['pv_pretty'], data['position']['move_num'], data['position']['toplay']));
window['show_line'] = show_line;
var prev_move = function() {
- --current_display_move;
+ if (current_display_move > -1) {
+ --current_display_move;
+ }
update_displayed_line();
}
window['prev_move'] = prev_move;
var next_move = function() {
- ++current_display_move;
+ if (current_display_line && current_display_move < current_display_line.pretty_pv.length - 1) {
+ ++current_display_move;
+ }
update_displayed_line();
}
-window['next_move'] = prev_move;
+window['next_move'] = next_move;
var update_displayed_line = function() {
if (current_display_line === null) {
var move = current_display_line.uci_pv[i];
move = move.substr(0, 2) + "-" + move.substr(2, 4);
hiddenboard.move(move, false);
+
+ // chessboard.js does not automatically move the rook on castling
+ // (issue #51; marked as won't fix), so update it ourselves.
+ if (move == "e1-g1" && hiddenboard.position().g1 == "wK") { // white O-O
+ hiddenboard.move("h1-f1", false);
+ } else if (move == "e1-c1" && hiddenboard.position().c1 == "wK") { // white O-O-O
+ hiddenboard.move("a1-d1", false);
+ } else if (move == "e8-g8" && hiddenboard.position().g8 == "bK") { // black O-O
+ hiddenboard.move("h8-f8", false);
+ } else if (move == "e8-c8" && hiddenboard.position().c8 == "bK") { // black O-O-O
+ hiddenboard.move("a8-d8", false);
+ }
}
board.position(hiddenboard.position());
}
update_highlight();
redraw_arrows();
});
+ $(window).keyup(function(event) {
+ if (event.which == 39) {
+ next_move();
+ } else if (event.which == 37) {
+ prev_move();
+ }
+ });
};
$(document).ready(init);