| 1 | <html> |
| 2 | <head> |
| 3 | <title>Dynamo Rules</title> |
| 4 | <link href="/common.css" rel="stylesheet"/> |
| 5 | <link href="/variants/Dynamo/style.css" rel="stylesheet"/> |
| 6 | </head> |
| 7 | <body> |
| 8 | <div class="full-rules"> |
| 9 | <h1>Dynamo Rules</h1> |
| 10 | |
| 11 | <p> |
| 12 | Pieces have the same movement as in orthodox chess, but they cannot |
| 13 | take other pieces in the usual way. Instead of the normal captures, pieces |
| 14 | can pull or push other pieces, potentially off the board. |
| 15 | The goal is to send the enemy king off the board. |
| 16 | </p> |
| 17 | |
| 18 | <p>Each turn, a player has the following options:</p> |
| 19 | <ul> |
| 20 | <li> |
| 21 | Move one of his pieces normally, then optionally pull something as an |
| 22 | effect of this move. |
| 23 | </li> |
| 24 | <li> |
| 25 | Push any piece with one of his pieces, then optionally follow the pushed |
| 26 | piece. |
| 27 | </li> |
| 28 | |
| 29 | <p> |
| 30 | It seems easier to understand with some examples. For a detailed |
| 31 | introduction please visit |
| 32 | <a href="https://echekk.fr/spip.php?page=article&id_article=599"> |
| 33 | this page |
| 34 | </a> (in French). |
| 35 | </p> |
| 36 | |
| 37 | <figure> |
| 38 | <div class="diag" |
| 39 | data-fen='rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR ...' |
| 40 | data-mks="e1,e3,e4,c3,f3,g4,h5,d3,c4,b5,a6"> |
| 41 | </div> |
| 42 | <figcaption>Possible "pawn moves" in the initial position.</figcaption> |
| 43 | </figure> |
| 44 | |
| 45 | <p> |
| 46 | The e2 pawn can move to e3 and e4 as usual. It can also slide diagonally, |
| 47 | being pushed by the bishop or the queen (which may or may not move along |
| 48 | this line afterward). It can also go to c3, being pushed by the knight from |
| 49 | g1; then the knight can move to e2, or stay motionless. |
| 50 | Finally, the pawn can "take the king": this is a special move indicating that |
| 51 | you want it to exit the board. Indeed it could be pushed off the board by the |
| 52 | bishop or the queen. |
| 53 | </p> |
| 54 | |
| 55 | <p> |
| 56 | Note: if an action is possible but you don't want to play a second part in |
| 57 | a move, click on any empty square: this will send an empty move. |
| 58 | </p> |
| 59 | |
| 60 | <figure> |
| 61 | <div class="diag left" |
| 62 | data-fen='rnbqkbnr/ppp1pppp/8/3p4/8/2N5/PPPPPPPP/R1BQKBNR ...'> |
| 63 | </div> |
| 64 | <div class="diag right" |
| 65 | data-fen='rnbqkbnr/ppp1pppp/8/8/8/2p5/PPPPPPPP/RNBQKBNR ...'> |
| 66 | </div> |
| 67 | <figcaption> |
| 68 | Pulling the d5 pawn to c3 (left: before, right: after). |
| 69 | </figcaption> |
| 70 | </figure> |
| 71 | |
| 72 | <ul> |
| 73 | <li>Pawns cannot pull (because they only move forward).</li> |
| 74 | <li> |
| 75 | When they could reach the square beyond the edge, |
| 76 | pieces can exit the board by themselves, possibly dragging another piece |
| 77 | out (friendly or enemy). |
| 78 | </li> |
| 79 | </ul> |
| 80 | |
| 81 | <figure> |
| 82 | <div class="diag" |
| 83 | data-fen='rnb1qbnr/pppkpppp/3p4/8/Q1P5/5NP1/PP1PPP1P/RNB1KB1R ...'> |
| 84 | </div> |
| 85 | <figcaption> |
| 86 | Check: the queen threatens to pull the king off the board |
| 87 | along the a4-e8 diagonal. |
| 88 | </figcaption> |
| 89 | </figure> |
| 90 | |
| 91 | <p> |
| 92 | It is forbidden to undo a "move + action". For example here, white could |
| 93 | push back the black bishop on g7 but not return to d4 then. |
| 94 | </p> |
| 95 | |
| 96 | <figure> |
| 97 | <div class="diag left" |
| 98 | data-fen='rnbqk1nr/ppppppbp/6p1/8/3B4/1P6/P1PPPPPP/RN1QKBNR ...'> |
| 99 | </div> |
| 100 | <div class="diag right" |
| 101 | data-fen='rnbqk1nr/pppppp1p/6p1/8/3b4/1P6/PBPPPPPP/RN1QKBNR ...'> |
| 102 | <figcaption> |
| 103 | Pushing the d4 bishop to b2 (left: before, right: after). |
| 104 | </figcaption> |
| 105 | </figure> |
| 106 | |
| 107 | <p> |
| 108 | Castling is possible as long as the king and rook have not moved and |
| 109 | haven't been pushed or pulled (this differs from the chessvariants |
| 110 | description). |
| 111 | </p> |
| 112 | |
| 113 | <h3>End of the game</h3> |
| 114 | |
| 115 | <p> |
| 116 | The game ends when a push or pull action threatens to send the king off the |
| 117 | board, and he has no way to escape it. |
| 118 | </p> |
| 119 | |
| 120 | <figure> |
| 121 | <div class="diag" |
| 122 | data-fen='8/4B3/8/8/6Qk/8/4N3/K7 ...'> |
| 123 | </div> |
| 124 | <figcaption>Dynamo checkmate ("Dynamate" :) )</figcaption> |
| 125 | </figure> |
| 126 | |
| 127 | <p> |
| 128 | The king cannot "take" on g4: this would just push the queen one step to the |
| 129 | left, and she would then push the king beyond the 'h' file. |
| 130 | There are no en-passant captures. |
| 131 | </p> |
| 132 | |
| 133 | <h3>Source</h3> |
| 134 | |
| 135 | <p> |
| 136 | <a href="https://www.chessvariants.com/mvopponent.dir/dynamo.html"> |
| 137 | Dynamo chess |
| 138 | </a> |
| 139 | on chessvariants.com. The short description given on |
| 140 | <a href="http://www.pion.ch/echecs/variante.php?jeu=dynamo">this page</a> |
| 141 | might help too. |
| 142 | </p> |