http://wiki.thorx.net/mediawiki/index.php?title=Pawn_Blackhole_Chess&feed=atom&action=historyPawn Blackhole Chess - Revision history2024-03-29T02:39:10ZRevision history for this page on the wikiMediaWiki 1.19.20+dfsg-0+deb7u3http://wiki.thorx.net/mediawiki/index.php?title=Pawn_Blackhole_Chess&diff=10694&oldid=prevNemo: similar variants listed2024-01-27T06:05:39Z<p>similar variants listed</p>
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<td style="background: #eee; color:black; font-size: smaller;"><div>== Links ==</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>* Pawn Blackhole Chess is also written up on The Chess Variant Pages: https://www.chessvariants.com/invention/pawn-blackhole-chess </div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>* Pawn Blackhole Chess is also written up on The Chess Variant Pages: https://www.chessvariants.com/invention/pawn-blackhole-chess </div></td>
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<td style="background: #cfc; color:black; font-size: smaller;"><div>* Many many other chess variants: https://en.wikipedia.org/wiki/List_of_chess_variants</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>== Credits == </div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>== Credits == </div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>Adam Corbally (and others?) came up with the core idea of splitting the two sides into the four corners, and rotating all movement rules by 45°. Nemo refined this (eg: returning rooks and bishops to their original behaviour since they only swapped, developed promotion rules, and kept the idea alive - resulting in this page)</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>Adam Corbally (and others?) came up with the core idea of splitting the two sides into the four corners, and rotating all movement rules by 45°. Nemo refined this (eg: returning rooks and bishops to their original behaviour since they only swapped, developed promotion rules, and kept the idea alive - resulting in this page)</div></td>
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<td style="background: #cfc; color:black; font-size: smaller;"><div>== Similar variants ==</div></td>
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<td style="background: #cfc; color:black; font-size: smaller;"><div>Neither Nemo nor Adam (as far as Nemo knows) were familiar with any of these</div></td>
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<td style="background: #cfc; color:black; font-size: smaller;"><div>* Legan chess - two sides rotated 45: https://en.wikipedia.org/wiki/Legan_chess</div></td>
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<td style="background: #cfc; color:black; font-size: smaller;"><div>* Chaturaji - four player, starting in corners: https://en.wikipedia.org/wiki/Chaturaji </div></td>
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<td style="background: #cfc; color:black; font-size: smaller;"><div>* Chess45 - two sides rotate 45 with smaller piece count: https://www.reddit.com/r/chessvariants/comments/1abv2oc/introducing_chess_45/ (newer than PBC)</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>[[Category:Games]]</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>[[Category:Games]]</div></td>
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</table>Nemohttp://wiki.thorx.net/mediawiki/index.php?title=Pawn_Blackhole_Chess&diff=10643&oldid=prevNemo: noting the camel name2023-09-16T08:38:01Z<p>noting the camel name</p>
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<td colspan='2' style="background-color: white; color:black;">Revision as of 08:38, 16 September 2023</td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>Pawns move forward on the diagonal (two for opening), and always move towards the center according to the quadrant they are in. As they cross into an enemy quadrant, their "forward" diagonal alters to continue their march to the center. Pawns are also colour-locked except when they attack, which is now on traditional grid, and valid in all FOUR directions. This is the only way a pawn can move away from the center. A pawn that reaches ANY edge of an opponents quadrant (14 total target squares in two player) may be promoted. Note that it has to battle every outward step of the way to earn it! Each player has two pawns which can theoretically be promoted in as little as two moves (pawns on the players own edge, taking sideways twice towards the enemy). Other pawns have a longer fastest-theoretical path to promotion, depending on their starting position.</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>Pawns move forward on the diagonal (two for opening), and always move towards the center according to the quadrant they are in. As they cross into an enemy quadrant, their "forward" diagonal alters to continue their march to the center. Pawns are also colour-locked except when they attack, which is now on traditional grid, and valid in all FOUR directions. This is the only way a pawn can move away from the center. A pawn that reaches ANY edge of an opponents quadrant (14 total target squares in two player) may be promoted. Note that it has to battle every outward step of the way to earn it! Each player has two pawns which can theoretically be promoted in as little as two moves (pawns on the players own edge, taking sideways twice towards the enemy). Other pawns have a longer fastest-theoretical path to promotion, depending on their starting position.</div></td>
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<td style="background: #ffa; color:black; font-size: smaller;"><div>Knights still move "forward two and across one" but now along the diagonal, meaning each knight is now colour-locked, and can move much further - three moves from corner to corner (five in traditional chess). I note that "forward two and one across" on the diagonal is equivalent to an on-grid move of "three and one" (compared to regular chess being "two and one")</div></td>
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<td style="background: #cfc; color:black; font-size: smaller;"><div>Knights still move "forward two and across one" but now along the diagonal, meaning each knight is now colour-locked, and can move much further - three moves from corner to corner (five in traditional chess). I note that "forward two and one across" on the diagonal is equivalent to an on-grid move of "three and one" (compared to regular chess being "two and one")<span class="diffchange diffchange-inline">. Within the chess variants community, pieces that move this way are known as "camels".</span></div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>Royalty, rooks and bishops move as per traditional chess</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>Royalty, rooks and bishops move as per traditional chess</div></td>
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</table>Nemohttp://wiki.thorx.net/mediawiki/index.php?title=Pawn_Blackhole_Chess&diff=10561&oldid=prevNemo: improve credits2021-02-26T09:19:03Z<p>improve credits</p>
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<td colspan='2' style="background-color: white; color:black;">Revision as of 09:19, 26 February 2021</td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>{{TOCright}}</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>== Origin and concept ==</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>== Origin and concept ==</div></td>
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<td style="background: #ffa; color:black; font-size: smaller;"><div>Game invented by Adam Corbally and others. </div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>The original concept was to rotate all movement rules by 45° relative to tradition. In practice this meant royalty is unchanged, and rooks would move like bishops and vice versa, so for simplicity those retain their original movement, and only pawns and knights have new movement rules. </div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>The original concept was to rotate all movement rules by 45° relative to tradition. In practice this meant royalty is unchanged, and rooks would move like bishops and vice versa, so for simplicity those retain their original movement, and only pawns and knights have new movement rules. </div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>== Links ==</div></td>
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<td style="background: #ffa; color:black; font-size: smaller;"><div>* Pawn Blackhole Chess is also written up on The Chess Variant Pages: https://www.chessvariants.com/invention/pawn-blackhole-chess <span class="diffchange diffchange-inline">(pending approval at time of writing)</span></div></td>
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<td style="background: #cfc; color:black; font-size: smaller;"><div>* Pawn Blackhole Chess is also written up on The Chess Variant Pages: https://www.chessvariants.com/invention/pawn-blackhole-chess </div></td>
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<td style="background: #cfc; color:black; font-size: smaller;"><div>== Credits == </div></td>
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<td style="background: #cfc; color:black; font-size: smaller;"><div>Adam Corbally (and others?) came up with the core idea of splitting the two sides into the four corners, and rotating all movement rules by 45°. Nemo refined this (eg: returning rooks and bishops to their original behaviour since they only swapped, developed promotion rules, and kept the idea alive - resulting in this page)</div></td>
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</table>Nemohttp://wiki.thorx.net/mediawiki/index.php?title=Pawn_Blackhole_Chess&diff=10555&oldid=prevNemo: link to Chess Variants2021-02-03T14:26:53Z<p>link to Chess Variants</p>
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<td style="background: #eee; color:black; font-size: smaller;"><div>== Gameplay style ==</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>== Gameplay style ==</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>Pawns gravitate towards the center skirmish, leaving stronger pieces to circle as best they can at the edges</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>Pawns gravitate towards the center skirmish, leaving stronger pieces to circle as best they can at the edges</div></td>
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<td style="background: #cfc; color:black; font-size: smaller;"><div>== Links ==</div></td>
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<td style="background: #cfc; color:black; font-size: smaller;"><div>* Pawn Blackhole Chess is also written up on The Chess Variant Pages: https://www.chessvariants.com/invention/pawn-blackhole-chess (pending approval at time of writing)</div></td>
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</table>Nemohttp://wiki.thorx.net/mediawiki/index.php?title=Pawn_Blackhole_Chess&diff=10554&oldid=prevNemo: polish...2021-02-02T12:12:16Z<p>polish...</p>
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<td style="background: #eee; color:black; font-size: smaller;"><div>== Movement ==</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>== Movement ==</div></td>
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<td style="background: #ffa; color:black; font-size: smaller;"><div>Pawns move forward on the diagonal (two for opening), and always move towards the center according to the quadrant they are in<span class="diffchange diffchange-inline">. This is the "black hole" part of pawn blackhole chess</span>. As they cross into an enemy quadrant, their diagonal alters to continue their march to the center. Pawns are also colour-locked except when they attack, which is now on traditional grid, and valid in all FOUR directions. <span class="diffchange diffchange-inline">In</span> <span class="diffchange diffchange-inline">this</span> way a pawn can move away from the center. A pawn that reaches ANY edge of an opponents quadrant (14 total target squares in two player) may be promoted. Note that it has to battle every outward step of the way to earn it! Each player has two pawns which can theoretically be promoted in as little as two moves (pawns on the players own edge, taking sideways twice towards the enemy). Other pawns have a longer fastest-theoretical path to promotion, depending on their starting position.</div></td>
<td class="diff-marker">+</td>
<td style="background: #cfc; color:black; font-size: smaller;"><div>Pawns move forward on the diagonal (two for opening), and always move towards the center according to the quadrant they are in. As they cross into an enemy quadrant, their<span class="diffchange diffchange-inline"> "forward"</span> diagonal alters to continue their march to the center. Pawns are also colour-locked except when they attack, which is now on traditional grid, and valid in all FOUR directions. <span class="diffchange diffchange-inline">This is the</span> <span class="diffchange diffchange-inline">only</span> way a pawn can move away from the center. A pawn that reaches ANY edge of an opponents quadrant (14 total target squares in two player) may be promoted. Note that it has to battle every outward step of the way to earn it! Each player has two pawns which can theoretically be promoted in as little as two moves (pawns on the players own edge, taking sideways twice towards the enemy). Other pawns have a longer fastest-theoretical path to promotion, depending on their starting position.</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>Knights still move "forward two and across one" but now along the diagonal, meaning each knight is now colour-locked, and can move much further - three moves from corner to corner (five in traditional chess). I note that "forward two and one across" on the diagonal is equivalent to an on-grid move of "three and one" (compared to regular chess being "two and one")</div></td>
<td class="diff-marker"> </td>
<td style="background: #eee; color:black; font-size: smaller;"><div>Knights still move "forward two and across one" but now along the diagonal, meaning each knight is now colour-locked, and can move much further - three moves from corner to corner (five in traditional chess). I note that "forward two and one across" on the diagonal is equivalent to an on-grid move of "three and one" (compared to regular chess being "two and one")</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>Royalty, rooks and bishops move as per traditional chess</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>Royalty, rooks and bishops move as per traditional chess</div></td>
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<td style="background: #ffa; color:black; font-size: smaller;"><div>There is no <span class="diffchange diffchange-inline">"</span>castling<span class="diffchange diffchange-inline">"</span> move. </div></td>
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<td style="background: #cfc; color:black; font-size: smaller;"><div>There is no castling<span class="diffchange diffchange-inline"> or en passant</span> move. </div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>== Four player variant ==</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>== Four player variant ==</div></td>
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</table>Nemohttp://wiki.thorx.net/mediawiki/index.php?title=Pawn_Blackhole_Chess&diff=10552&oldid=prevNemo: third handling of pieces in a 4player2021-02-02T11:16:55Z<p>third handling of pieces in a 4player</p>
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<td style="background: #eee; color:black; font-size: smaller;"><div>With suitable colour distinction, this game easily expands to four players - one per corner with all players having a king only on their royal corner, and no queen. Pawn promotion now available on 21 enemy backlines. </div></td>
<td class="diff-marker"> </td>
<td style="background: #eee; color:black; font-size: smaller;"><div>With suitable colour distinction, this game easily expands to four players - one per corner with all players having a king only on their royal corner, and no queen. Pawn promotion now available on 21 enemy backlines. </div></td>
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<td style="background: #ffa; color:black; font-size: smaller;"><div>Players are eliminated when their king is checkmated, and their pieces disposed of by prior agreement in one of <span class="diffchange diffchange-inline">two</span> ways:</div></td>
<td class="diff-marker">+</td>
<td style="background: #cfc; color:black; font-size: smaller;"><div>Players are eliminated when their king is checkmated, and their pieces disposed of by prior agreement in one of <span class="diffchange diffchange-inline">three</span> ways:</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>* all players pieces removed from the board immediately</div></td>
<td class="diff-marker"> </td>
<td style="background: #eee; color:black; font-size: smaller;"><div>* all players pieces removed from the board immediately</div></td>
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<td class="diff-marker"> </td>
<td style="background: #eee; color:black; font-size: smaller;"><div>* players pieces (except the checkmated kind) remain on the board as motionless obstacles that may be "taken" by other players to be cleared, but pose no threat. </div></td>
<td class="diff-marker"> </td>
<td style="background: #eee; color:black; font-size: smaller;"><div>* players pieces (except the checkmated kind) remain on the board as motionless obstacles that may be "taken" by other players to be cleared, but pose no threat. </div></td>
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<td class="diff-marker">+</td>
<td style="background: #cfc; color:black; font-size: smaller;"><div>* the pieces of the first player to be checkmated remain till a second checkmate occurs, and are then removed (leaving only one "dead" players pieces at a time)</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>Winning is last player standing.</div></td>
<td class="diff-marker"> </td>
<td style="background: #eee; color:black; font-size: smaller;"><div>Winning is last player standing.</div></td>
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</table>Nemohttp://wiki.thorx.net/mediawiki/index.php?title=Pawn_Blackhole_Chess&diff=10551&oldid=prevNemo: tocright2021-02-02T10:39:40Z<p>tocright</p>
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<td style="background: #ffa; color:black; font-size: smaller;"><div><span class="diffchange diffchange-inline">{</span>{{TOCright<span class="diffchange diffchange-inline">}</span>}}</div></td>
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<td style="background: #cfc; color:black; font-size: smaller;"><div>{{TOCright}}</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>== Origin and concept ==</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>== Origin and concept ==</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>Game invented by Adam Corbally and others. </div></td>
<td class="diff-marker"> </td>
<td style="background: #eee; color:black; font-size: smaller;"><div>Game invented by Adam Corbally and others. </div></td>
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</table>Nemohttp://wiki.thorx.net/mediawiki/index.php?title=Pawn_Blackhole_Chess&diff=10550&oldid=prevNemo: TOC2021-02-02T10:39:05Z<p>TOC</p>
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<td style="background: #cfc; color:black; font-size: smaller;"><div>{{{TOCright}}}</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>== Origin and concept ==</div></td>
<td class="diff-marker"> </td>
<td style="background: #eee; color:black; font-size: smaller;"><div>== Origin and concept ==</div></td>
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<td class="diff-marker"> </td>
<td style="background: #eee; color:black; font-size: smaller;"><div>Game invented by Adam Corbally and others. </div></td>
<td class="diff-marker"> </td>
<td style="background: #eee; color:black; font-size: smaller;"><div>Game invented by Adam Corbally and others. </div></td>
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</table>Nemohttp://wiki.thorx.net/mediawiki/index.php?title=Pawn_Blackhole_Chess&diff=10549&oldid=prevNemo: pawn clarify2021-02-02T10:38:38Z<p>pawn clarify</p>
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<td colspan='2' style="background-color: white; color:black;">Revision as of 10:38, 2 February 2021</td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>== Movement ==</div></td>
<td class="diff-marker"> </td>
<td style="background: #eee; color:black; font-size: smaller;"><div>== Movement ==</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"></td>
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<td style="background: #ffa; color:black; font-size: smaller;"><div>Pawns move forward on the diagonal (two for opening), and always move towards the center according to the quadrant they are in. This is the "black hole" part of pawn blackhole chess. As they cross into an enemy quadrant, their diagonal alters to continue their march to the center. Pawns are also colour-locked except when they attack, which is now on traditional grid, and valid in all FOUR directions. In this way a pawn can move away from the center. A pawn that reaches ANY edge of an opponents quadrant (14 total target squares in two player) may be promoted. Note that it has to battle every outward step of the way to earn it! <span class="diffchange diffchange-inline">A</span> <span class="diffchange diffchange-inline">pawn</span> can theoretically be promoted <span class="diffchange diffchange-inline">after</span> <span class="diffchange diffchange-inline">three</span> moves. </div></td>
<td class="diff-marker">+</td>
<td style="background: #cfc; color:black; font-size: smaller;"><div>Pawns move forward on the diagonal (two for opening), and always move towards the center according to the quadrant they are in. This is the "black hole" part of pawn blackhole chess. As they cross into an enemy quadrant, their diagonal alters to continue their march to the center. Pawns are also colour-locked except when they attack, which is now on traditional grid, and valid in all FOUR directions. In this way a pawn can move away from the center. A pawn that reaches ANY edge of an opponents quadrant (14 total target squares in two player) may be promoted. Note that it has to battle every outward step of the way to earn it! <span class="diffchange diffchange-inline">Each</span> <span class="diffchange diffchange-inline">player has two pawns which</span> can theoretically be promoted <span class="diffchange diffchange-inline">in</span> <span class="diffchange diffchange-inline">as little as two</span> moves<span class="diffchange diffchange-inline"> (pawns on the players own edge, taking sideways twice towards the enemy)</span>. <span class="diffchange diffchange-inline">Other pawns have a longer fastest-theoretical path to promotion, depending on their starting position.</span></div></td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>Knights still move "forward two and across one" but now along the diagonal, meaning each knight is now colour-locked, and can move much further - three moves from corner to corner (five in traditional chess). I note that "forward two and one across" on the diagonal is equivalent to an on-grid move of "three and one" (compared to regular chess being "two and one")</div></td>
<td class="diff-marker"> </td>
<td style="background: #eee; color:black; font-size: smaller;"><div>Knights still move "forward two and across one" but now along the diagonal, meaning each knight is now colour-locked, and can move much further - three moves from corner to corner (five in traditional chess). I note that "forward two and one across" on the diagonal is equivalent to an on-grid move of "three and one" (compared to regular chess being "two and one")</div></td>
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</table>Nemohttp://wiki.thorx.net/mediawiki/index.php?title=Pawn_Blackhole_Chess&diff=10548&oldid=prevNemo: clarify pawn2021-02-02T10:33:10Z<p>clarify pawn</p>
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<td colspan='2' style="background-color: white; color:black;">Revision as of 10:33, 2 February 2021</td>
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<td style="background: #eee; color:black; font-size: smaller;"><div>== Movement ==</div></td>
<td class="diff-marker"> </td>
<td style="background: #eee; color:black; font-size: smaller;"><div>== Movement ==</div></td>
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<td style="background: #eee; color:black; font-size: smaller;"></td>
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<td style="background: #ffa; color:black; font-size: smaller;"><div>Pawns move forward on the diagonal (two for opening), and always move towards the center according to the quadrant they are in. This is the "black hole" part of pawn blackhole chess, <span class="diffchange diffchange-inline">and</span> are also colour-locked<span class="diffchange diffchange-inline"> </span> except when they attack, which <span class="diffchange diffchange-inline">are</span> on traditional grid, and valid in all FOUR directions. <span class="diffchange diffchange-inline">This</span> <span class="diffchange diffchange-inline">is also the only</span> way a pawn can move away from the center. A pawn that reaches ANY edge <span class="diffchange diffchange-inline">on</span> <span class="diffchange diffchange-inline">the</span> <span class="diffchange diffchange-inline">opponent side of the</span> <span class="diffchange diffchange-inline">board</span> (14 total target squares) may be promoted <span class="diffchange diffchange-inline">-</span> <span class="diffchange diffchange-inline">but</span> it has to battle every <span class="diffchange diffchange-inline">damn</span> step of the way to earn it! A pawn can theoretically be promoted after three moves. </div></td>
<td class="diff-marker">+</td>
<td style="background: #cfc; color:black; font-size: smaller;"><div>Pawns move forward on the diagonal (two for opening), and always move towards the center according to the quadrant they are in. This is the "black hole" part of pawn blackhole chess<span class="diffchange diffchange-inline">. As they cross into an enemy quadrant</span>, <span class="diffchange diffchange-inline">their diagonal alters to continue their march to the center. Pawns</span> are also colour-locked except when they attack, which <span class="diffchange diffchange-inline">is</span> <span class="diffchange diffchange-inline">now</span> on traditional grid, and valid in all FOUR directions. <span class="diffchange diffchange-inline">In</span> <span class="diffchange diffchange-inline">this</span> way a pawn can move away from the center. A pawn that reaches ANY edge <span class="diffchange diffchange-inline">of</span> <span class="diffchange diffchange-inline">an</span> <span class="diffchange diffchange-inline">opponents</span> <span class="diffchange diffchange-inline">quadrant</span> (14 total target squares<span class="diffchange diffchange-inline"> in two player</span>) may be promoted<span class="diffchange diffchange-inline">.</span> <span class="diffchange diffchange-inline">Note</span> <span class="diffchange diffchange-inline">that</span> it has to battle every <span class="diffchange diffchange-inline">outward</span> step of the way to earn it! A pawn can theoretically be promoted after three moves. </div></td>
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<td style="background: #eee; color:black; font-size: smaller;"></td>
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<td style="background: #eee; color:black; font-size: smaller;"></td>
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<td class="diff-marker"> </td>
<td style="background: #eee; color:black; font-size: smaller;"><div>Knights still move "forward two and across one" but now along the diagonal, meaning each knight is now colour-locked, and can move much further - three moves from corner to corner (five in traditional chess). I note that "forward two and one across" on the diagonal is equivalent to an on-grid move of "three and one" (compared to regular chess being "two and one")</div></td>
<td class="diff-marker"> </td>
<td style="background: #eee; color:black; font-size: smaller;"><div>Knights still move "forward two and across one" but now along the diagonal, meaning each knight is now colour-locked, and can move much further - three moves from corner to corner (five in traditional chess). I note that "forward two and one across" on the diagonal is equivalent to an on-grid move of "three and one" (compared to regular chess being "two and one")</div></td>
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</table>Nemo