whats_new/rules/Wild.html

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   2   <title>Wild Castle</title>
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  10   <h1>Wild Castle</h1>
  11
  12   <p>This is a shuffle variant of normal Chess, which preserves the
  13   possibility to do sort of conventional castling, by starting
  14   Rooks always in he corner, and the King on the central files.
  15   When played on an Internet Chess Server, the King can also start
  16   on the d-file, and you can castle from there. This adds nothing
  17   to the game, though, it just produces mirror images of other
  18   start positions. So in local mode XBoard does not bother to do
  19   this.</p>
  20
  21   <table cellpadding="20">
  22     <tr>
  23       <td><img src="Wild.png"></td>
  24
  25       <td>
  26         <h3>Initial setup</h3>
  27
  28         <p>There is no fixed setup; the back-rank pieces are
  29         randomly shuffled with certain restrictions. Black's setup
  30         is the mirror image of white's, though.</p>
  31
  32         <p>e1, e8: King<br>
  33         a1, a8, h1, h8: Rook<br>
  34         a2-j2, a7-j7: Pawns</p>
  35
  36         <p>In addition both sides have:</p>
  37
  38         <p>1 Queen<br>
  39         2 Bishops<br>
  40         2 Knights</p>
  41
  42         <p>The Bishops will start on opposite colors.</p>
  43       </td>
  44     </tr>
  45   </table>
  46
  47   <h3>Moves at a Glance</h3>
  48
  49   <p>Click on a piece below to see its moves</p>
  50
  51   <table class="board">
  52     <tr>
  53       <td class="h" id="sq0x9"></td>
  54
  55       <td class="n" id="sq1x9" onmousedown="down_click(1,-9)"
  56       onmouseup="up_click()"><img src="sym/BlackRook.png"></td>
  57
  58       <td class="n" id="sq2x9"></td>
  59
  60       <td class="n" id="sq3x9"></td>
  61
  62       <td class="n" id="sq4x9"></td>
  63
  64       <td class="n" id="sq5x9" onmousedown="down_click(5,9)"
  65       onmouseup="up_click()"><img src="sym/BlackKing.png"></td>
  66
  67       <td class="n" id="sq6x9"></td>
  68
  69       <td class="n" id="sq7x9"></td>
  70
  71       <td class="n" id="sq8x9" onmousedown="down_click(8,9)"
  72       onmouseup="up_click()"><img src="sym/BlackRook.png"></td>
  73
  74       <td class="h" id="sq9x9"></td>
  75
  76       <td class="h"><img src="sym/yellow.png"></td>
  77
  78       <td class="w" rowspan="2" valign="top">
  79         <p>Sliding capture or non-capture,<br>
  80         can be blocked on any square along the ray</p>
  81       </td>
  82     </tr>
  83
  84     <tr>
  85       <td class="h" id="sq0x8"></td>
  86
  87       <td class="n" id="sq1x8"></td>
  88
  89       <td class="n" id="sq2x8"></td>
  90
  91       <td class="n" id="sq3x8"></td>
  92
  93       <td class="n" id="sq4x8"></td>
  94
  95       <td class="n" id="sq5x8"></td>
  96
  97       <td class="n" id="sq6x8"></td>
  98
  99       <td class="n" id="sq7x8"></td>
 100
 101       <td class="n" id="sq8x8"></td>
 102
 103       <td class="h" id="sq9x8"></td>
 104     </tr>
 105
 106     <tr>
 107       <td class="h" id="sq0x7"></td>
 108
 109       <td class="n" id="sq1x7"></td>
 110
 111       <td class="n" id="sq2x7"></td>
 112
 113       <td class="n" id="sq3x7"></td>
 114
 115       <td class="n" id="sq4x7"></td>
 116
 117       <td class="n" id="sq5x7"></td>
 118
 119       <td class="n" id="sq6x7"></td>
 120
 121       <td class="n" id="sq7x7"></td>
 122
 123       <td class="n" id="sq8x7"></td>
 124
 125       <td class="h" id="sq9x7"></td>
 126
 127       <td class="h"><img src="sym/orange.png"></td>
 128
 129       <td class="w">Unblockable leap (capture or non-capture)</td>
 130     </tr>
 131
 132     <tr>
 133       <td class="h" id="sq0x6"></td>
 134
 135       <td class="n" id="sq1x6"></td>
 136
 137       <td class="n" id="sq2x6"></td>
 138
 139       <td class="n" id="sq3x6"></td>
 140
 141       <td class="n" id="sq4x6"></td>
 142
 143       <td class="n" id="sq5x6"></td>
 144
 145       <td class="n" id="sq6x6"></td>
 146
 147       <td class="n" id="sq7x6"></td>
 148
 149       <td class="n" id="sq8x6"></td>
 150
 151       <td class="h" id="sq9x6"></td>
 152
 153       <td class="h"><img src="sym/green.png"></td>
 154
 155       <td class="w">Non-capture only</td>
 156     </tr>
 157
 158     <tr>
 159       <td class="h" id="sq0x5"></td>
 160
 161       <td class="n" id="sq1x5"></td>
 162
 163       <td class="n" id="sq2x5"></td>
 164
 165       <td class="n" id="sq3x5"></td>
 166
 167       <td class="n" id="sq4x5"></td>
 168
 169       <td class="n" id="sq5x5"></td>
 170
 171       <td class="n" id="sq6x5"></td>
 172
 173       <td class="n" id="sq7x5"></td>
 174
 175       <td class="n" id="sq8x5"></td>
 176
 177       <td class="h" id="sq9x5"></td>
 178
 179       <td class="h"><img src="sym/red.png"></td>
 180
 181       <td class="w">Capture only</td>
 182     </tr>
 183
 184     <tr>
 185       <td class="h" id="sq0x4"></td>
 186
 187       <td class="n" id="sq1x4"></td>
 188
 189       <td class="n" id="sq2x4"></td>
 190
 191       <td class="n" id="sq3x4"></td>
 192
 193       <td class="n" id="sq4x4"></td>
 194
 195       <td class="n" id="sq5x4"></td>
 196
 197       <td class="n" id="sq6x4"></td>
 198
 199       <td class="n" id="sq7x4"></td>
 200
 201       <td class="n" id="sq8x4"></td>
 202
 203       <td class="h" id="sq9x4"></td>
 204     </tr>
 205
 206     <tr>
 207       <td class="h" id="sq0x3"></td>
 208
 209       <td class="n" id="sq1x3" onmousedown="down_click(1,3)"
 210       onmouseup="up_click()"><img src="sym/BlackPawn.png"></td>
 211
 212       <td class="n" id="sq2x3" onmousedown="down_click(2,3)"
 213       onmouseup="up_click()"><img src="sym/WhitePawn.png"></td>
 214
 215       <td class="n" id="sq3x3" onmousedown="down_click(3,3)"
 216       onmouseup="up_click()"><img src="sym/WhiteRook.png"></td>
 217
 218       <td class="n" id="sq4x3" onmousedown="down_click(4,3)"
 219       onmouseup="up_click()"><img src="sym/WhiteKnight.png"></td>
 220
 221       <td class="n" id="sq5x3" onmousedown="down_click(5,3)"
 222       onmouseup="up_click()"><img src="sym/WhiteQueen.png"></td>
 223
 224       <td class="n" id="sq6x3" onmousedown="down_click(6,3)"
 225       onmouseup="up_click()"><img src="sym/WhiteBishop.png"></td>
 226
 227       <td class="n" id="sq7x3" onmousedown="down_click(7,3)"
 228       onmouseup="up_click()"><img src="sym/WhiteKing.png"></td>
 229
 230       <td class="n" id="sq8x3"></td>
 231
 232       <td class="h" id="sq9x3"></td>
 233     </tr>
 234
 235     <tr>
 236       <td class="h" id="sq0x2"></td>
 237
 238       <td class="n" id="sq1x2"></td>
 239
 240       <td class="n" id="sq2x2"></td>
 241
 242       <td class="n" id="sq3x2"></td>
 243
 244       <td class="n" id="sq4x2"></td>
 245
 246       <td class="n" id="sq5x2"></td>
 247
 248       <td class="n" id="sq6x2"></td>
 249
 250       <td class="n" id="sq7x2"></td>
 251
 252       <td class="n" id="sq8x2"></td>
 253
 254       <td class="h" id="sq9x2"></td>
 255     </tr>
 256
 257     <tr>
 258       <td class="h" id="sq0x1"></td>
 259
 260       <td class="n" id="sq1x1"></td>
 261
 262       <td class="n" id="sq2x1" onmousedown="down_click(-2,1)"
 263       onmouseup="up_click()"><img src="sym/WhitePawn.png"></td>
 264
 265       <td class="n" id="sq3x1"></td>
 266
 267       <td class="n" id="sq4x1"></td>
 268
 269       <td class="n" id="sq5x1"></td>
 270
 271       <td class="n" id="sq6x1"></td>
 272
 273       <td class="n" id="sq7x1"></td>
 274
 275       <td class="n" id="sq8x1"></td>
 276
 277       <td class="h" id="sq9x1"></td>
 278     </tr>
 279
 280     <tr>
 281       <td class="h" id="sq0x0"></td>
 282
 283       <td class="n" id="sq1x0"></td>
 284
 285       <td class="n" id="sq2x0"></td>
 286
 287       <td class="n" id="sq3x0"></td>
 288
 289       <td class="n" id="sq4x0"></td>
 290
 291       <td class="n" id="sq5x0"></td>
 292
 293       <td class="n" id="sq6x0"></td>
 294
 295       <td class="n" id="sq7x0"></td>
 296
 297       <td class="n" id="sq8x0"></td>
 298
 299       <td class="h" id="sq9x0"></td>
 300     </tr>
 301   </table>
 302
 303   <p id="piece" height="20">:<br>
 304   :<br>
 305   :<br>
 306   :</p>
 307
 308   <table cellpadding="5" border="1">
 309     <tr>
 310       <td>Piece</td>
 311
 312       <td>ID</td>
 313
 314       <td>value</td>
 315
 316       <td>Moves (<a href="Betza.html">Betza notation</a>)</td>
 317
 318       <td>Remarks</td>
 319     </tr>
 320
 321     <tr>
 322       <td>King</td>
 323
 324       <td>K</td>
 325
 326       <td>-</td>
 327
 328       <td>K</td>
 329
 330       <td>Can castle with Rook, moving 2 steps towards it</td>
 331     </tr>
 332
 333     <tr>
 334       <td>Queen</td>
 335
 336       <td>Q</td>
 337
 338       <td>9.5</td>
 339
 340       <td>RB or Q</td>
 341
 342       <td></td>
 343     </tr>
 344
 345     <tr>
 346       <td>Rook</td>
 347
 348       <td>R</td>
 349
 350       <td>5</td>
 351
 352       <td>R</td>
 353
 354       <td></td>
 355     </tr>
 356
 357     <tr>
 358       <td>Bishop</td>
 359
 360       <td>B</td>
 361
 362       <td>3.25</td>
 363
 364       <td>B</td>
 365
 366       <td>Color-bound</td>
 367     </tr>
 368
 369     <tr>
 370       <td>Knight</td>
 371
 372       <td>N</td>
 373
 374       <td>3.25</td>
 375
 376       <td>N</td>
 377
 378       <td></td>
 379     </tr>
 380
 381     <tr>
 382       <td>Pawn</td>
 383
 384       <td>P</td>
 385
 386       <td>1</td>
 387
 388       <td>mfWcfF</td>
 389
 390       <td>Promotes to Q, R, B, or N on reaching last rank</td>
 391     </tr>
 392   </table>
 393
 394   <h3>Pawn peculiarities</h3>
 395
 396   <ul>
 397     <li>Pawns capture differently from how they move (straight
 398     move, diagonal capture).</li>
 399
 400     <li>Pawns can move two squares straight ahead from their
 401     initial position, provided they are not blocked.</li>
 402
 403     <li>On the move immediately after such a double push, they can
 404     be captured en passant by another Pawn, as if they had only
 405     moved 1 square ahead.</li>
 406
 407     <li>Pawns promote to another (non-royal) piece of choice when
 408     they reach last rank.</li>
 409   </ul>
 410
 411   <h3>Castling</h3>
 412
 413   <p>A King that has not moved before can move two squares in the
 414   direction of a Rook that has not moved before, in which case that
 415   Rook is moved to the square the King skipped over. This is only
 416   allowed if all squares between King and Rook are empty, when the
 417   King is not in check on the square it came from, and would not be
 418   in check on any of the squares it skipped over.</p>
 419
 420   <h3>General rules</h3>
 421
 422   <ul>
 423     <li>It is not allowed to expose your King to check.</li>
 424
 425     <li>The game is won by checkmating the opponent's King.</li>
 426
 427     <li>Stalemate (no legal moves, but not in check) is a
 428     draw.</li>
 429   </ul>
 430
 431   <h3>Differences with FIDE</h3>
 432
 433   <p>The Queen, Bishops and Knights are randomly shuffled on the
 434   back rank in the opening setup.</p>
 435
 436   <h3>Strategy issues</h3>
 437
 438   <p>It is not possible to force checkmate on a bare King with just
 439   a single Bishop or Knight (in addition to your own King). Two
 440   Knights cannot do that either.</p>
 441
 442   <p>Bishops are confined to squares of a single color. Having
 443   Bishops on both colors compensates this weakness, and is worth an
 444   extra 0.5 on top of their added value.</p>
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