whats_new/rules/Shatranj.html

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   9
  10   <h1>Shatranj (ancient Arabic/Persian Chess)</h1>
  11
  12   <table cellpadding="20">
  13     <tr>
  14       <td><img src="Shatranj.png"></td>
  15
  16       <td>
  17         <h3>Initial setup</h3>
  18
  19         <p>d1, d8: King<br>
  20         e1, e8: Ferz (General)<br>
  21         a1, a8, h1, h8: Rook<br>
  22         c1, c8, f1, f8: Alfil (Elephant)<br>
  23         b1, b8, g1, g8: Knight<br>
  24         a2-h2, a7-h7: Pawns</p>
  25       </td>
  26     </tr>
  27   </table>
  28
  29   <h3>Moves at a Glance</h3>
  30
  31   <p>Click on a piece below to see its moves</p>
  32
  33   <table class="board">
  34     <tr>
  35       <td class="h" id="sq0x9"></td>
  36
  37       <td class="n" id="sq1x9"></td>
  38
  39       <td class="n" id="sq2x9"></td>
  40
  41       <td class="n" id="sq3x9"></td>
  42
  43       <td class="n" id="sq4x9" onmousedown="down_click(4,0)"
  44       onmouseup="up_click()"></td>
  45
  46       <td class="n" id="sq5x9" onmousedown="down_click(5,0)"
  47       onmouseup="up_click()"></td>
  48
  49       <td class="n" id="sq6x9"></td>
  50
  51       <td class="n" id="sq7x9"></td>
  52
  53       <td class="n" id="sq8x9"></td>
  54
  55       <td class="h" id="sq9x9"></td>
  56
  57       <td class="h"><img src="sym/yellow.png"></td>
  58
  59       <td class="w" rowspan="2" valign="top">
  60         <p>Sliding capture or non-capture,<br>
  61         can be blocked on any square along the ray</p>
  62       </td>
  63     </tr>
  64
  65     <tr>
  66       <td class="h" id="sq0x8"></td>
  67
  68       <td class="n" id="sq1x8"></td>
  69
  70       <td class="n" id="sq2x8" onmousedown="down_click(2,0)"
  71       onmouseup="up_click()"></td>
  72
  73       <td class="n" id="sq3x8"></td>
  74
  75       <td class="n" id="sq4x8"></td>
  76
  77       <td class="n" id="sq5x8"></td>
  78
  79       <td class="n" id="sq6x8"></td>
  80
  81       <td class="n" id="sq7x8"></td>
  82
  83       <td class="n" id="sq8x8"></td>
  84
  85       <td class="h" id="sq9x8"></td>
  86     </tr>
  87
  88     <tr>
  89       <td class="h" id="sq0x7"></td>
  90
  91       <td class="n" id="sq1x7"></td>
  92
  93       <td class="n" id="sq2x7"></td>
  94
  95       <td class="n" id="sq3x7"></td>
  96
  97       <td class="n" id="sq4x7"></td>
  98
  99       <td class="n" id="sq5x7"></td>
 100
 101       <td class="n" id="sq6x7"></td>
 102
 103       <td class="n" id="sq7x7"></td>
 104
 105       <td class="n" id="sq8x7"></td>
 106
 107       <td class="h" id="sq9x7"></td>
 108
 109       <td class="h"><img src="sym/orange.png"></td>
 110
 111       <td class="w">Unblockable leap (capture or non-capture)</td>
 112     </tr>
 113
 114     <tr>
 115       <td class="h" id="sq0x6"></td>
 116
 117       <td class="n" id="sq1x6"></td>
 118
 119       <td class="n" id="sq2x6" onmousedown="down_click(2,0)"
 120       onmouseup="up_click()"></td>
 121
 122       <td class="n" id="sq3x6" onmousedown="down_click(3,0)"
 123       onmouseup="up_click()"></td>
 124
 125       <td class="n" id="sq4x6" onmousedown="down_click(4,0)"
 126       onmouseup="up_click()"></td>
 127
 128       <td class="n" id="sq5x6" onmousedown="down_click(5,0)"
 129       onmouseup="up_click()"></td>
 130
 131       <td class="n" id="sq6x6" onmousedown="down_click(6,0)"
 132       onmouseup="up_click()"></td>
 133
 134       <td class="n" id="sq7x6" onmousedown="down_click(7,0)"
 135       onmouseup="up_click()"></td>
 136
 137       <td class="n" id="sq8x6"></td>
 138
 139       <td class="h" id="sq9x6"></td>
 140
 141       <td class="h"><img src="sym/green.png"></td>
 142
 143       <td class="w">Non-capture only</td>
 144     </tr>
 145
 146     <tr>
 147       <td class="h" id="sq0x5"></td>
 148
 149       <td class="n" id="sq1x5"></td>
 150
 151       <td class="n" id="sq2x5"></td>
 152
 153       <td class="n" id="sq3x5" onmousedown="down_click(3,5)"
 154       onmouseup="up_click()"></td>
 155
 156       <td class="n" id="sq4x5" onmousedown="down_click(4,5)"
 157       onmouseup="up_click()"><img src="sym/WhiteAdvisor.png"></td>
 158
 159       <td class="n" id="sq5x5" onmousedown="down_click(5,5)"
 160       onmouseup="up_click()"><img src="sym/WhiteElephant.png"></td>
 161
 162       <td class="n" id="sq6x5" onmousedown="down_click(6,0)"
 163       onmouseup="up_click()"></td>
 164
 165       <td class="n" id="sq7x5"></td>
 166
 167       <td class="n" id="sq8x5"></td>
 168
 169       <td class="h" id="sq9x5"></td>
 170
 171       <td class="h"><img src="sym/red.png"></td>
 172
 173       <td class="w">Capture only</td>
 174     </tr>
 175
 176     <tr>
 177       <td class="h" id="sq0x4"></td>
 178
 179       <td class="n" id="sq1x4"></td>
 180
 181       <td class="n" id="sq2x4"></td>
 182
 183       <td class="n" id="sq3x4" onmousedown="down_click(3,0)"
 184       onmouseup="up_click()"></td>
 185
 186       <td class="n" id="sq4x4" onmousedown="down_click(4,0)"
 187       onmouseup="up_click()"></td>
 188
 189       <td class="n" id="sq5x4" onmousedown="down_click(5,4)"
 190       onmouseup="up_click()"></td>
 191
 192       <td class="n" id="sq6x4" onmousedown="down_click(6,0)"
 193       onmouseup="up_click()"></td>
 194
 195       <td class="n" id="sq7x4"></td>
 196
 197       <td class="n" id="sq8x4"></td>
 198
 199       <td class="h" id="sq9x4"></td>
 200     </tr>
 201
 202     <tr>
 203       <td class="h" id="sq0x3"></td>
 204
 205       <td class="n" id="sq1x3"></td>
 206
 207       <td class="n" id="sq2x3" onmousedown="down_click(2,3)"
 208       onmouseup="up_click()"><img src="sym/WhitePawn.png"></td>
 209
 210       <td class="n" id="sq3x3" onmousedown="down_click(3,3)"
 211       onmouseup="up_click()"><img src="sym/WhiteRook.png"></td>
 212
 213       <td class="n" id="sq4x3" onmousedown="down_click(4,3)"
 214       onmouseup="up_click()"><img src="sym/WhiteKnight.png"></td>
 215
 216       <td class="n" id="sq5x3" onmousedown="down_click(5,0)"
 217       onmouseup="up_click()"></td>
 218
 219       <td class="n" id="sq6x3" onmousedown="down_click(6,0)"
 220       onmouseup="up_click()"></td>
 221
 222       <td class="n" id="sq7x3" onmousedown="down_click(7,3)"
 223       onmouseup="up_click()"><img src="sym/WhiteKing.png"></td>
 224
 225       <td class="n" id="sq8x3"></td>
 226
 227       <td class="h" id="sq9x3"></td>
 228     </tr>
 229
 230     <tr>
 231       <td class="h" id="sq0x2"></td>
 232
 233       <td class="n" id="sq1x2"></td>
 234
 235       <td class="n" id="sq2x2"></td>
 236
 237       <td class="n" id="sq3x2"></td>
 238
 239       <td class="n" id="sq4x2"></td>
 240
 241       <td class="n" id="sq5x2"></td>
 242
 243       <td class="n" id="sq6x2"></td>
 244
 245       <td class="n" id="sq7x2"></td>
 246
 247       <td class="n" id="sq8x2"></td>
 248
 249       <td class="h" id="sq9x2"></td>
 250     </tr>
 251
 252     <tr>
 253       <td class="h" id="sq0x1"></td>
 254
 255       <td class="n" id="sq1x1"></td>
 256
 257       <td class="n" id="sq2x1" onmousedown="down_click(-2,1)"
 258       onmouseup="up_click()"></td>
 259
 260       <td class="n" id="sq3x1"></td>
 261
 262       <td class="n" id="sq4x1"></td>
 263
 264       <td class="n" id="sq5x1"></td>
 265
 266       <td class="n" id="sq6x1"></td>
 267
 268       <td class="n" id="sq7x1"></td>
 269
 270       <td class="n" id="sq8x1"></td>
 271
 272       <td class="h" id="sq9x1"></td>
 273     </tr>
 274
 275     <tr>
 276       <td class="h" id="sq0x0"></td>
 277
 278       <td class="n" id="sq1x0"></td>
 279
 280       <td class="n" id="sq2x0"></td>
 281
 282       <td class="n" id="sq3x0"></td>
 283
 284       <td class="n" id="sq4x0"></td>
 285
 286       <td class="n" id="sq5x0"></td>
 287
 288       <td class="n" id="sq6x0"></td>
 289
 290       <td class="n" id="sq7x0"></td>
 291
 292       <td class="n" id="sq8x0"></td>
 293
 294       <td class="h" id="sq9x0"></td>
 295     </tr>
 296   </table>
 297
 298   <p id="piece" height="20">:<br>
 299   :<br>
 300   :<br>
 301   :</p>
 302
 303   <table cellpadding="5" border="1">
 304     <tr>
 305       <td>Piece</td>
 306
 307       <td>ID</td>
 308
 309       <td>value</td>
 310
 311       <td>Moves (<a href="Betza.html">Betza notation</a>)</td>
 312
 313       <td>Remarks</td>
 314     </tr>
 315
 316     <tr>
 317       <td>King</td>
 318
 319       <td>K</td>
 320
 321       <td>-</td>
 322
 323       <td>K</td>
 324
 325       <td>No castling of any kind</td>
 326     </tr>
 327
 328     <tr>
 329       <td>Ferz</td>
 330
 331       <td>Q</td>
 332
 333       <td>2</td>
 334
 335       <td>F</td>
 336
 337       <td></td>
 338     </tr>
 339
 340     <tr>
 341       <td>Rook</td>
 342
 343       <td>R</td>
 344
 345       <td>8</td>
 346
 347       <td>R</td>
 348
 349       <td></td>
 350     </tr>
 351
 352     <tr>
 353       <td>Alfil</td>
 354
 355       <td>B</td>
 356
 357       <td>1</td>
 358
 359       <td>A</td>
 360
 361       <td>Bound to 8 squares!</td>
 362     </tr>
 363
 364     <tr>
 365       <td>Knight</td>
 366
 367       <td>N</td>
 368
 369       <td>4</td>
 370
 371       <td>N</td>
 372
 373       <td></td>
 374     </tr>
 375
 376     <tr>
 377       <td>Pawn</td>
 378
 379       <td>P</td>
 380
 381       <td>1</td>
 382
 383       <td>mfWcfF</td>
 384
 385       <td>Promotes to Ferz on reaching last rank</td>
 386     </tr>
 387   </table>
 388
 389   <h3>Pawn peculiarities</h3>
 390
 391   <ul>
 392     <li>Pawns capture differently from how they move (straight
 393     move, diagonal capture).</li>
 394
 395     <li>There is no initial double-push, and thus no en-passant
 396     capture.</li>
 397
 398     <li>Pawns promote to Ferz when they reach last rank; there is
 399     no choice.</li>
 400   </ul>
 401
 402   <h3>General rules</h3>
 403
 404   <ul>
 405     <li>It is not allowed to expose your King to check.</li>
 406
 407     <li>The game is won by checkmating the opponent's King.</li>
 408
 409     <li>Stalemate (no legal moves, but not in check) also counts as
 410     a loss for the stalemated side.</li>
 411
 412     <li>If your opponent only has a King at the beginning of your
 413     turn, and your king is not yet bare, you win. This means that
 414     after you capture the last piece, the opponent gets one
 415     equalizing turn to recapture yours, in which case it would be a
 416     draw.</li>
 417   </ul>
 418
 419   <h3>Differences with FIDE</h3>
 420
 421   <p>The Ferz and Alfil replace the Queen and Bishop. The Pawn have
 422   no double move. No castling. The King starts on the e-file.</p>
 423
 424   <h3>Strategy issues</h3>
 425
 426   <p>Because of the baring rule a win is possible with any material
 427   other than a bare King.</p>
 428
 429   <p>Alfils are not only color bound, but also skip over half the
 430   files and ranks. So they can only reach 8 squares, making them
 431   next to worthless.</p>
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