Make&Take before capturing, we play as the unit we wish to capture.
We respect not only its march, but its colour:
a black knight (or king) will play a white pawn move if he wants to capture it.
1.♘f7 2.♘d6 (2.Ne5 ? would check via f5 ou e4) 3.♘c4 4.♘b2 5.♔a3(Which before was illegal because of b3-b2xa3.) 6.♔a4(not in check because Pb3 must start with a king move) 7.♘c4!(return) 8.♘a5!(the only route to b4, as you cannot go through d1, d3 or d5 which would check) 9.♘c6 10.♘b4 11.♔a5(no more b3-b4xa5) 12.♔b6
13.♘c6!!c4# The b5 square is controlled, not by Pc4, but by Pb3 via a4!
And Pb7 controls a7 & c7 (via b6).
Two false leads : 13.♘a2?c4+ 14.♘xc4! 13.♘a6?c4+ 14.♘c5!
1.b3gxc1=♘(via b2, in homage to Bc1) 2.gxh8=♗(via g7, in homage to Rh8)♘xd1(via b2, in homage to Qd1) 3.♗b2♘f6 4.♗c1(Pronkin)♘c3+ 5.♔xc3♘e4+(double check by Bf8 via g7 and Knight via d5, in homage to Kc3) 6.♔xf8(via g7, in homage to Bf8 .
We notice that neither King is attacked by the other)♘d6+ 7.♔xd6(via e6, in homage to Nd6)
The reversal 3...Nc3+ 4 Kd3xc3 is impossible, the white king being then in check by the Bf8 via g7.
5 - 2# extinction
Rosner, E & Gockel H 2017
#2 Extinction chess(10+9)
the King is a unit like any other (so you can promote to King).
A side wins when it has made any variety of units disappear, so by checkmating either the
King, Queen, last rook, last bishop, last knight, or last pawn.
Tries :
1.d8=♗?(thematic try ; threatens
2.♗g4#dominating the bN ;
and♖xg4does not extinguish white Bishop species since it remains the Bd8
and therefore is illegal since 3.hxg4extinct black Rook species) 1...♖xc5
2.♖xa4# and not 2.♗g4+?♘d6!but black parry with 1...d2! 2.♗g4+d1=♘!
1.d8=♕?(threatens
2.♕a5#and not 2.♕b6+♔xb6#!)
without Pd5, there would be 2.♕xd3#extinguishing either of the black Rook or Knight species .
without the Pe6, 2.♕d7would mate, dominating the bN 1...♖xc5
2.♖xa4#or 2.♗g4#but 1...♔a6!simply counter the threat
1.d8=♖!(threatens
2.♖xa4#by double check.♖xa4does not extinguish the white Rook species since it remains the Rd8
and therefore is illegal since 3.♗xa4extinct black Rook species.) 1...a3 2.♖xa3# 1...♖xc5 2.♗g4#
The threat in the try becomes variation mate (on 1...Rxc5) in the real game and vice versa
Two-coloured AUW between the tries and the solution
6 - aidé 5# Chameleon Circe b) ♔e1
Rice, J. 2017
h#5 Chameleon Circe(2+3) b) ♔g2 ---> e1
A captured piece rises in rank before being reborn, according to the C-F-T-D pattern.
A captured Queen becomes a Knight and the cycle resumes.
Pawns are reborn as in normal Circe
moves along the Queen's lines with a sautoir behind which it lands .
The landing square must be empty or occupied by an opponent's piece
The Moose is a Grasshopper which is at a 45 degree angle to its supposed landing square .
When the sautoir is adjacent to it, it is a knight's step
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