whats_new/rules/Gothic.html

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   9
  10   <h1>Gothic Chess</h1>
  11
  12   <table cellpadding="20">
  13     <tr>
  14       <td><img src="Gothic.png"></td>
  15
  16       <td>
  17         <h3>Initial setup</h3>
  18
  19         <p>f1, f8: King<br>
  20         d1, d8: Queen<br>
  21         e1, e8: Chancellor<br>
  22         g1, g8: Archbishop<br>
  23         a1, a8, j1, j8: Rook<br>
  24         c1, c8, h1, h8: Bishop<br>
  25         b1, b8, i1, i8: Knight<br>
  26         a2-j2, a7-j7: Pawns</p>
  27       </td>
  28     </tr>
  29   </table>
  30
  31   <h3>Moves at a Glance</h3>
  32
  33   <p>Click on a piece below to see its moves</p>
  34
  35   <table class="board">
  36     <tr>
  37       <td class="n" id="sq0x9" onmousedown="down_click(0,-9)"
  38       onmouseup="up_click()"><img src="sym/BlackRook.png"></td>
  39
  40       <td class="n" id="sq1x9"></td>
  41
  42       <td class="n" id="sq2x9"></td>
  43
  44       <td class="n" id="sq3x9"></td>
  45
  46       <td class="n" id="sq4x9"></td>
  47
  48       <td class="n" id="sq5x9" onmousedown="down_click(5,-9)"
  49       onmouseup="up_click()"><img src="sym/BlackKing.png"></td>
  50
  51       <td class="n" id="sq6x9"></td>
  52
  53       <td class="n" id="sq7x9"></td>
  54
  55       <td class="n" id="sq8x9"></td>
  56
  57       <td class="n" id="sq9x9" onmousedown="down_click(9,9)"
  58       onmouseup="up_click()"><img src="sym/BlackRook.png"></td>
  59
  60       <td class="h"><img src="sym/yellow.png"></td>
  61
  62       <td class="w" rowspan="2" valign="top">
  63         <p>Sliding capture or non-capture,<br>
  64         can be blocked on any square along the ray</p>
  65       </td>
  66     </tr>
  67
  68     <tr>
  69       <td class="n" id="sq0x8"></td>
  70
  71       <td class="n" id="sq1x8"></td>
  72
  73       <td class="n" id="sq2x8" onmousedown="down_click(2,0)"
  74       onmouseup="up_click()"></td>
  75
  76       <td class="n" id="sq3x8"></td>
  77
  78       <td class="n" id="sq4x8"></td>
  79
  80       <td class="n" id="sq5x8"></td>
  81
  82       <td class="n" id="sq6x8"></td>
  83
  84       <td class="n" id="sq7x8"></td>
  85
  86       <td class="n" id="sq8x8"></td>
  87
  88       <td class="n" id="sq9x8"></td>
  89     </tr>
  90
  91     <tr>
  92       <td class="n" id="sq0x7"></td>
  93
  94       <td class="n" id="sq1x7"></td>
  95
  96       <td class="n" id="sq2x7"></td>
  97
  98       <td class="n" id="sq3x7"></td>
  99
 100       <td class="n" id="sq4x7"></td>
 101
 102       <td class="n" id="sq5x7"></td>
 103
 104       <td class="n" id="sq6x7"></td>
 105
 106       <td class="n" id="sq7x7"></td>
 107
 108       <td class="n" id="sq8x7"></td>
 109
 110       <td class="n" id="sq9x7"></td>
 111
 112       <td class="h"><img src="sym/orange.png"></td>
 113
 114       <td class="w">Unblockable leap (capture or non-capture)</td>
 115     </tr>
 116
 117     <tr>
 118       <td class="n" id="sq0x6"></td>
 119
 120       <td class="n" id="sq1x6"></td>
 121
 122       <td class="n" id="sq2x6"></td>
 123
 124       <td class="n" id="sq3x6"></td>
 125
 126       <td class="n" id="sq4x6"></td>
 127
 128       <td class="n" id="sq5x6" onmousedown="down_click(5,6)"
 129       onmouseup="up_click()"><img src=
 130       "sym/WhiteArchbishop.png"></td>
 131
 132       <td class="n" id="sq6x6"></td>
 133
 134       <td class="n" id="sq7x6"></td>
 135
 136       <td class="n" id="sq8x6"></td>
 137
 138       <td class="n" id="sq9x6"></td>
 139
 140       <td class="h"><img src="sym/green.png"></td>
 141
 142       <td class="w">Non-capture only</td>
 143     </tr>
 144
 145     <tr>
 146       <td class="n" id="sq0x5"></td>
 147
 148       <td class="n" id="sq1x5"></td>
 149
 150       <td class="n" id="sq2x5"></td>
 151
 152       <td class="n" id="sq3x5"></td>
 153
 154       <td class="n" id="sq4x5"></td>
 155
 156       <td class="n" id="sq5x5"></td>
 157
 158       <td class="n" id="sq6x5"></td>
 159
 160       <td class="n" id="sq7x5"></td>
 161
 162       <td class="n" id="sq8x5"></td>
 163
 164       <td class="n" id="sq9x5"></td>
 165
 166       <td class="h"><img src="sym/red.png"></td>
 167
 168       <td class="w">Capture only</td>
 169     </tr>
 170
 171     <tr>
 172       <td class="n" id="sq0x4"></td>
 173
 174       <td class="n" id="sq1x4"></td>
 175
 176       <td class="n" id="sq2x4"></td>
 177
 178       <td class="n" id="sq3x4"></td>
 179
 180       <td class="n" id="sq4x4"></td>
 181
 182       <td class="n" id="sq5x4" onmousedown="down_click(5,4)"
 183       onmouseup="up_click()"><img src=
 184       "sym/WhiteChancellor.png"></td>
 185
 186       <td class="n" id="sq6x4"></td>
 187
 188       <td class="n" id="sq7x4"></td>
 189
 190       <td class="n" id="sq8x4"></td>
 191
 192       <td class="n" id="sq9x4"></td>
 193     </tr>
 194
 195     <tr>
 196       <td class="n" id="sq0x3"></td>
 197
 198       <td class="n" id="sq1x3" onmousedown="down_click(1,3)"
 199       onmouseup="up_click()"><img src="sym/BlackPawn.png"></td>
 200
 201       <td class="n" id="sq2x3" onmousedown="down_click(2,3)"
 202       onmouseup="up_click()"><img src="sym/WhitePawn.png"></td>
 203
 204       <td class="n" id="sq3x3" onmousedown="down_click(3,3)"
 205       onmouseup="up_click()"><img src="sym/WhiteRook.png"></td>
 206
 207       <td class="n" id="sq4x3" onmousedown="down_click(4,3)"
 208       onmouseup="up_click()"><img src="sym/WhiteKnight.png"></td>
 209
 210       <td class="n" id="sq5x3" onmousedown="down_click(5,3)"
 211       onmouseup="up_click()"><img src="sym/WhiteQueen.png"></td>
 212
 213       <td class="n" id="sq6x3" onmousedown="down_click(6,3)"
 214       onmouseup="up_click()"><img src="sym/WhiteBishop.png"></td>
 215
 216       <td class="n" id="sq7x3" onmousedown="down_click(7,3)"
 217       onmouseup="up_click()"><img src="sym/WhiteKing.png"></td>
 218
 219       <td class="n" id="sq8x3"></td>
 220
 221       <td class="n" id="sq9x3"></td>
 222     </tr>
 223
 224     <tr>
 225       <td class="n" id="sq0x2"></td>
 226
 227       <td class="n" id="sq1x2"></td>
 228
 229       <td class="n" id="sq2x2"></td>
 230
 231       <td class="n" id="sq3x2"></td>
 232
 233       <td class="n" id="sq4x2"></td>
 234
 235       <td class="n" id="sq5x2"></td>
 236
 237       <td class="n" id="sq6x2"></td>
 238
 239       <td class="n" id="sq7x2"></td>
 240
 241       <td class="n" id="sq8x2"></td>
 242
 243       <td class="n" id="sq9x2"></td>
 244     </tr>
 245
 246     <tr>
 247       <td class="n" id="sq0x1"></td>
 248
 249       <td class="n" id="sq1x1"></td>
 250
 251       <td class="n" id="sq2x1" onmousedown="down_click(-2,1)"
 252       onmouseup="up_click()"><img src="sym/WhitePawn.png"></td>
 253
 254       <td class="n" id="sq3x1"></td>
 255
 256       <td class="n" id="sq4x1"></td>
 257
 258       <td class="n" id="sq5x1"></td>
 259
 260       <td class="n" id="sq6x1"></td>
 261
 262       <td class="n" id="sq7x1"></td>
 263
 264       <td class="n" id="sq8x1"></td>
 265
 266       <td class="n" id="sq9x1"></td>
 267     </tr>
 268
 269     <tr>
 270       <td class="n" id="sq0x0"></td>
 271
 272       <td class="n" id="sq1x0"></td>
 273
 274       <td class="n" id="sq2x0"></td>
 275
 276       <td class="n" id="sq3x0"></td>
 277
 278       <td class="n" id="sq4x0"></td>
 279
 280       <td class="n" id="sq5x0"></td>
 281
 282       <td class="n" id="sq6x0"></td>
 283
 284       <td class="n" id="sq7x0"></td>
 285
 286       <td class="n" id="sq8x0"></td>
 287
 288       <td class="n" id="sq9x0"></td>
 289     </tr>
 290   </table>
 291
 292   <p id="piece" height="20">:<br>
 293   :<br>
 294   :<br>
 295   :</p>
 296
 297   <table cellpadding="5" border="1">
 298     <tr>
 299       <td>Piece</td>
 300
 301       <td>ID</td>
 302
 303       <td>value</td>
 304
 305       <td>Moves (<a href="Betza.html">Betza notation</a>)</td>
 306
 307       <td>Remarks</td>
 308     </tr>
 309
 310     <tr>
 311       <td>King</td>
 312
 313       <td>K</td>
 314
 315       <td>-</td>
 316
 317       <td>K</td>
 318
 319       <td>Can castle with Rook, moving 3 steps towards it</td>
 320     </tr>
 321
 322     <tr>
 323       <td>Queen</td>
 324
 325       <td>Q</td>
 326
 327       <td>9.5</td>
 328
 329       <td>RB or Q</td>
 330
 331       <td></td>
 332     </tr>
 333
 334     <tr>
 335       <td>Chancellor</td>
 336
 337       <td>C</td>
 338
 339       <td>9</td>
 340
 341       <td>RN</td>
 342
 343       <td></td>
 344     </tr>
 345
 346     <tr>
 347       <td>ArchBishop</td>
 348
 349       <td>A</td>
 350
 351       <td>8.75</td>
 352
 353       <td>BN</td>
 354
 355       <td></td>
 356     </tr>
 357
 358     <tr>
 359       <td>Rook</td>
 360
 361       <td>R</td>
 362
 363       <td>5</td>
 364
 365       <td>R</td>
 366
 367       <td></td>
 368     </tr>
 369
 370     <tr>
 371       <td>Bishop</td>
 372
 373       <td>B</td>
 374
 375       <td>3.5</td>
 376
 377       <td>B</td>
 378
 379       <td>Color-bound</td>
 380     </tr>
 381
 382     <tr>
 383       <td>Knight</td>
 384
 385       <td>N</td>
 386
 387       <td>3</td>
 388
 389       <td>N</td>
 390
 391       <td></td>
 392     </tr>
 393
 394     <tr>
 395       <td>Pawn</td>
 396
 397       <td>P</td>
 398
 399       <td>1</td>
 400
 401       <td>mfWcfF</td>
 402
 403       <td>Promotes to Q, R, B, or N on reaching last rank</td>
 404     </tr>
 405   </table>
 406
 407   <h3>Pawn peculiarities</h3>
 408
 409   <ul>
 410     <li>Pawns capture differently from how they move (straight
 411     move, diagonal capture).</li>
 412
 413     <li>Pawns can move two squares ahead from their initial
 414     position, provided they are not blocked.</li>
 415
 416     <li>On the move immediately after such a double push, they can
 417     be captured en passant by another Pawn, as if they had only
 418     moved 1 square ahead.</li>
 419
 420     <li>Pawns promote to another (non-royal) piece of choice when
 421     they reach last rank.</li>
 422   </ul>
 423
 424   <h3>Castling</h3>
 425
 426   <p>A King that has not moved before can move <b>three</b> squares
 427   in the direction of a Rook that has not moved before, in which
 428   case that Rook is moved to the square next to the King on the
 429   other side. This is only allowed if all squares between King and
 430   Rook are empty, when the King is not in check on the square it
 431   came from, and would not be in check on any of the squares it
 432   skipped over.</p>
 433
 434   <h3>General rules</h3>
 435
 436   <ul>
 437     <li>It is not allowed to expose your King to check.</li>
 438
 439     <li>The game is won by checkmating the opponent's King.</li>
 440
 441     <li>Stalemate (no legal moves, but not in check) is a
 442     draw.</li>
 443   </ul>
 444
 445   <h3>Differences with FIDE</h3>
 446
 447   <p>The Chancellor and Archbishop pieces are extra, and the board
 448   is expanded to accomodate them. To handle the larger board width,
 449   the King moves 3 squares on castling.</p>
 450
 451   <h3>Strategy issues</h3>
 452
 453   <p>It is not possible to force checkmate on a bare King with just
 454   a single Bishop or Knight (in addition to your own King). Two
 455   Knights cannot do that either. The Archbishop can force checkmate
 456   against a bare King.</p>
 457
 458   <p>Bishops are confined to squares of a single color. Having
 459   Bishops on both colors compensates this weakness, and is worth an
 460   extra 0.5 on top of their added value.</p>
 461
 462   <p>As Chancellor and Archbishop are nearly equal in value to
 463   Queen, under-promotion is very common, and there is virtually
 464   never any need to promote to R, B or N.</p>
 465
 466   <p>The super-pieces (Q, C, A) devaluate by the presence of
 467   lower-valued opponent pieces. As a result trading Q for R + B is
 468   in general a good trade when you still have both J, as the latter
 469   gain in value by eliminating the opponent's R and B, which is
 470   more compensation than the intrinsic value difference between Q
 471   and R + B.</p>
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