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1 - h#2 2 sol circe

circé : une pièce prise renaît sur sa case originelle si celle-ci est libre, sinon, elle disparaît

Caillaud, M.

white Qd1 Pb7 Ka1 black Qg8 Pc7 Sc6 Kf4
h#2 circe(3+4)


2 - h#2 circe

Rimkus, M.

white Se1 Bf1 Kb3 black Pf2 Kd1
h#2 circe(3+2)
b) move everything one column left


3 - serial h#5 2 sol circe

serial helpmate : black plays n moves in a row, after which white checks in 1 move

Bakcsi, G & Zoltan L

white Rh6 Ka2 Bb1e3 Sf1 black Pe5 Sd2 Kd5
ser-h#5 2sol.(5+3)



4 - h#2 exclusive chess with locust

exclusive chess : a mat is only legal if it is unique

Cheylan, Y.

white Pa7f7 Kd2 black Pg4c2 Sf5f2 Bg3 Kf3 Lg1
h#2 exclusive chess(3+7)
g1: Locust


5 - h#2 mars circe

mars circe : to capture, a piece "virtually" passes through its native square if it is free

Trillon, J.M.

white Pe6 Ka6 black Pg3 Ke1
h#2 mars circe(2+2)
b) pg3-->d3


6 - h#2 2 sol couscous anti-circe

couscous anti-circe : the capturing piece is reborn on the native square of the captured piece

Tritten, P.

white Qh4 Pc4 Kh3 Rg4 black Pg5f5d7d6c6 Sb7 Kc7
h#2 couscous anti-circe(4+7)


7 - 9# with siren & marine mao

Siren : Queen capturing as a Locust

. Mao marin : Mao capturing the unit during its rook step
. Reminder: the Mao is a creeping Knight doing a rook step, then a bishop step.

Tribowski, M.

white Pd7d6g7c4f3g3h4 Se8f8 Bb3 Ka1 MSe6e1 black Bb8 Kf5 Ph7h5d4d3e3 SIc1 Rg8d8 MSb4
e6, e1, b4: marine Maos
c1: Siren


8 - losing chess

losing chess : In losing chess, the aim is to lose all his units knowing that the capture, when it is possible, is mandatory.

Beasley, J.
(Après G. Evseev 1992)

white Sc2g1 black Pd3
losing chess(2+1)


9 - 2# functionnaries

functionnaries : to move (and a fortiori capture) a unit must be "observed" by an opponent unit

Gockel, H.

white Sc8c3 Rf8b3 Kb1 black Qe5 Pe6a4b5c6e4e3 Bg7f5 Rc7g3 Kd7
#2 functionnaries(5+12)


10 - h#2 2 sol isardam einstein

Isardam : It is illegal for 2 opposing pieces of the same kind to "observe" each other
. Einstein: a unit (other than the King) changes at each move into the unit immediately stronger in case of capture,
immediately less strong in case of no capture.

The bR is in check by the wQ, but not by the Bishop, which would become a R after BxK. Similarly, the wK is not in check by the bQf6

Harris, P.

white Qc8 Kc6 Bc4 black Qf6 Rg4 Kg8 Be7
h#2 isardam einstein(3+4)


11 - inv 9# with Royal Grasshoppers

Grasshopper: moves along the Queen's lines with the help of a sautoir behind which it lands
. Royal Grasshopper: piece invested with royal prerogatives with the grasshopper march

Turner, N.

white Bf8 Rg3d8 white Royal gd1 black Pd2 Bg6 black Royal gg8
d1, g8: Royal Grasshoppers


12 - aidé 2# isardam

Smits, G.

white Pe2 Sg2c6 Ra7 Kd8 Be8 black Bd5g5 Ke4 Qb3 Pf6 Sa8h1 Re5
h#2 Isardam(6+8)
b) Nc6-->e7


13 - 2# with rose

rose : Rounded nightrider.
If there was nothing on d7 and f6, the Rose a4 would check through b6, d7 and f6

Quah, J.
Version J. Dupin & M. Kerhuel

white Bh7 Kg7 Qf6 Pe3 Sg1d6 Rh3d7 ROa4 black Sc4f8 Pg5h6e6c2c3 Be2e1 Rd1f2 Kg4
a4: Rose


14 - h=12 2 solutions with nightriders hopper

nightrider hopper: moves like a Nightrider, but only with the aid of a sautoir,
behind which it lands at a knight's step
. For example, NHh1 controls f5 by passing by g3.

Kotesovec, V.

white NHh1d1a8e8f7 black Kg3
h=12 2sol.(5+1)
h1, d1, a8, e8, f7: nightriders hopper

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