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1 - maximum selfmate 2# circe
Ostruh, B & Klasinc M 1976
s#2 maximum Circe(7+14)
: Black is obliged to play the geometrically longest legal moves
: White plays, forcing Black to checkmate him
: a captured unit is reborn on its native square if it is free
Albino (4 possible pawn moves) and AUW (the 4 promotions)
2 - reflex 3#
Morice, J. 1973
r#3(11+10)
: when a checkmate is presented, it must be played
Published in 1973, but corrected much later, so that the correct version can be found in the album... 1980-82 !
real play :
1.🨴c4!(threatens
2.♗d4#)
Promotions on b1 prepare an interception on the 4th rank but have the disadvantage to open the line for the Rose d1,
which now guards g4 via b2-a4-b6-d7-f6. 1...b1=♕ 2.🨴f1# 1...b1=♗
2.🨴f1# 2.b8=🨴# 1...b1=🨺 2.b8=🨴# 1...b1= 2.b8=# 1...exf2 2.b8=🨴# 1...♔xg4 2.♗e4#
A kind of half-Babson.
4 - h#1 2 solutions anti-circe b) superguards
Rotenberg, J. 2024
h#1 anti-circe 2sol.(2+6) b) Superguards 2sol.
: capturing unit is reborn on its native square if free
: a unit supported by a unit of its side is safe, including Kings
b)anti-guards 1...♘h7 2.♔h8g7(does not check, black King is no longer "observed" by Bf6 !!) 3.♗a1(only square from which you cannot escape the diagonal)
3...g8=♖# Note that 3...g8=♕+?we have 4.♔xh7!
7 - 2# with neutral locust
Goodare, KJ. 1952
#2(9+3+1) 🨖h2: neutral Locust
: kind of Grasshopper that swallows its jumper, which is therefore necessarily an enemy unit
1.♔e4 2.🨺e2(jumper e3) 3.🨺f4(e4) 4.♔f5 5.♔g5 6.🨺h5 7.♔h6 8.♖g7 9.🨺g6(h5) 10.🨺h7(g6)
10...🨴e5#! Eagle e5 make double check via h5 and g7 ;
It controls g5 via f4.
And not 10...🨴g3+?Eg6 plays !.
1.🨺d4(d3) 2.♔e2 3.♔f1 4.🨺g1 5.♔g2 6.♔h1 7.♖g2(and not immediately Ee3-h2, which would be a self-check) 8.🨺h2(g1) 9.🨺f2 10.🨺g3🨴f1#! Rg2, being the jumper, must be well enclosed.
1.♖b4 2.♔c4 3.🨺a4(a3) 4.🨺c3(b4) 5.♖b6 6.🨺b4 7.🨺a6 8.🨺b5 9.♔b4 10.♔a5🨴d4#! Eagle d4 checks via a4 et b6 ; it control b4 via c3 ;
Two echo mates and a very different 3rd one.
9 - serial h#8 3 solutions with mooses
Kotesovec, V. 2017
ser-h#8 3sol.(1+5) 🨊b2, 🨐b1, d8, e6, f3: Moose
: Like a Grasshopper, but with a 45° angle to the jumper.
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