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| Commit | Line | Data |
|---|---|---|
| 7d8bf63e BA |
1 | p.boxed |
| 2 | | All pieces can be captured en passant, by any piece. | |
| 3 | ||
| 4 | p More precisely: | |
| 5 | ul | |
| 6 | li. | |
| 7 | A piece making a multistep move can be captured by an opponent's piece | |
| 8 | guarding a square on its way; this capture is only possible right after | |
| 9 | the move (same condition as for en passant pawns captures). | |
| 10 | li. | |
| 11 | Even if the capturer gets captured en passant on next turn, | |
| 12 | the initial captured piece does not return to the board. | |
| 13 | ||
| 57d9b2c4 BA |
14 | p. |
| 15 | This is a generalisation of en passant capture with the pawn, which is | |
| 16 | still possible. It leads to some unexpected situations, | |
| 17 | like on the following diagram after 1...Rb2-d2+: this is not a mate | |
| 18 | since the king can capture the rook en passant on c2: 2.Kxc2 e.p. | |
| 19 | ||
| 20 | figure.diagram-container | |
| 21 | .diagram | |
| 22 | | fen:6k1/1p1p4/6p1/4P3/2n5/3nP1b1/3r1BP1/R2K1R1B: | |
| 23 | figcaption After 1...Rb2-d2+: not a mate! | |
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24 | |
| 25 | h3 Special moves | |
| 26 | ||
| 27 | ul | |
| 28 | li. | |
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29 | Knights become knightriders, which may make multi knight-steps in the |
| 30 | same direction. For example in the standard initial position, | |
| 31 | the knightrider on g1 can go to e5 or could capture on d7 in addition | |
| 32 | to the knight moves (see diagram below). | |
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33 | li The king can capture a piece en passant by making a knight move. |
| 34 | ||
| 35 | figure.diagram-container | |
| 36 | .diagram | |
| 37 | | fen:rnbqk1nr/ppppppbp/6p1/8/8/2NP5/PPP1PPPP/R1BQKBNR h3,f3,e5,d7: | |
| 38 | figcaption. | |
| 39 | Possible knightrider moves after 1.d3 g6 2.Nc3 Bg7. | |
| 40 | If 3.Nxd7, 3...Bxe5 e.p. is possible. | |
| 41 | ||
| a97bdbda BA |
42 | p. |
| 43 | Due to the extended knight movement, a capture, check or even checkmate | |
| 44 | could be played at move 1. On the following diagram 1.Nxe7 is mate, | |
| 45 | and black in turn could play 1...Nxg2 trapping the queen. | |
| 46 | Consequently, captures are disabled at move 1. | |
| 47 | ||
| 48 | figure.diagram-container | |
| 49 | .diagram | |
| 50 | | fen:nbqnbrkr/pppppppp/8/8/8/8/PPPPPPPP/RNKBQNBR: | |
| 51 | figcaption 1.Nxe7# and 1...Nxg2: "knightriders' anomalies". | |
| 52 | ||
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53 | h3 Source |
| 54 | ||
| 55 | p | |
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56 | a(href="https://www.chessvariants.com/difftaking.dir/enpassant.html") |
| 57 | | En Passant chess | |
| 7d8bf63e | 58 | | on chessvariants.com. |
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59 | |
| 60 | p Inventor: Andy Kurnia (1998) |