py_20170509

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or directly on the move in the solution

1 - h#2 Patrol Madrasi

Manhart, M & Pachl F
1997

white Kd1 Sc2 Rc8 Bf7 WNa1 black Bc3h7 Ka4 Qd8 Pa2d4 Sb5g5 Ra6h6
h#2 Patrol Madrasi(5+10)
3 solutions
🨢a1: Nightrider
to capture, a piece must be "observed" by a piece of its side at the start of the move
. two opposing pieces of the same kind that observe each other paralyse each other.

Solution

 

2 - #2 Functionaries chess

Rosner, E & Gockel H
2016

white Bd8f3 Kg8 Qd3 Pc7g2 Sf8 Ra4 black Pa5b5d5h4e3 Ke8 Bc6h6 Sa7 Rh3d1
#2 functionaries(8+11)
: a unit can only move, and a fortiori capture, if it is "observed" by an opponent unit

Solution

 

3 - h#3 with neutral pawns

Foster, G.
2013

neutral Ph2g2e2 black Ke4 white Kb4
h#3(1+1+3)
2 solutions
Solution

 

 

4 - h#3 parrain Circe

Rallo, V.
2016

white Ke3 Sg1 black Pe2f2 Ke1
h#3 parrain Circe(2+3)
b) ♔e3-->d3
a captured unit remains "in the air" and makes an equipollent movement to the following move

Solution

 

5 - 8++++ parrain Circe

Caillaud, M.
2002

white Bc1f1 Ke1 Qd1 Pa2b2c2d2e2f2g2h2 Sb1g1 Ra1h1 black Bc8f8 Ke8 Qd8 Pa7b7c7d7e7f7g7h7 Sb8g8 Ra8h8
8++++ parrain Circe(16+16)
Solution

 

 

6 - #15 all-in-chess

The only restriction: the immediate return move is forbidden

Ravishankar, S.
2016

white Pd4f4h4 Kc7 Rh6h5 black Pe7a6e6e5 Kd5
#15 all-in-chess(6+5)
all-in-chess a piece can be played by either side.
Solution

 

 

7 - h#2 2 solutions + 2 variations Super-Circe with Locust and Leo

Soulivy, K.
2016

neutral LEe7 Lb8 black Kd4 white Sc2
h#2 super-circe(1+1+2)
🨖b8: neutral Locust
🩀e7: neutral Leo
a captured unit can be replaced aniwhere by capturing side in limit of legality
moves along the Queen's lines, using a jumper that she swallows, and lands just behind
Move as a Queen but needs a hurdle to capture

Solution

 

8 - serial #13 Köko

Seehofer, W.
1999

white Kg1 Rc3 black Sd8 Ke8
ser-#13 Köko(2+2)
: a piece can move and, a fortiori capture, only if it is, at end of a move, closer than another

Solution

 

9 - h#2 Masand

Crisan, V & Huber E
2005

white Pa7 Sh6 Kc4 black Pe7e2 Ke8
h#2 Masand(3+3)
2 solutions
a piece that checks causes the other pieces it observes to change colour

Solution

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