Fairy chess composition

# Original Problems (85)

## Original Problems (page 85)

Original fairy problems published during 2012 will participate in the informal tourney JF-2012

The site is mostly about fairies, but h# and s# are also welcomed for publication! Please send your problems to my e-mail: julia@juliasfairies.com

### Go to →List of Problems; →Page 84 ;  →Page 86

I’m so much happy to present 2 problems by Petko A. Petkov! My site will become half-year old on October, the 10th. Also, a year ago on the same day, I’ve written to Mr.Petkov for the first time and from that day trying to be a good student of him. These problems is one of the most meaningful gifts I ever had!

Dear Petko, thank you so much for everything!!!

No.148 – hs#3 – White blocks realized by the black pieces!  – a very surprising  effect of Anti-Andernach Chess! (Author)

No.149 – hs#3 – A non-standard change of functions of two Chameleons, where “tempo moves of Chameleons have an effect as white block through the black piece” (JV)

Definitions:

Chameleon: On completing a move, a Chameleon (from classical standard type) changes into another piece, in the sequence Q-S-B-R-Q…  Promotion may be to a chameleon at any stage in the cycle.

Nightrider(N): A Rider along a straight line on squares lying a Knight`s move away from each other.

Anti-Andernach Chess: a unit (not King) changes color after its moves unless that move is a capture. (Or: a unit (King excluded) changes color on completion of a non-capturing move.)

You can сlick on “Solutions” to show or hide the solutions!

 No.148 Petko A. Petkov Bulgaria original-09.10.2012 Dedicated to Julia Vysotska!   hs#3              2 solutions            (5+6) Anti-Andernach Nightrider e6   Solutions: (click to show/hide)   I. 1.Nd8 =bN Kf4 2.Ra8 =bR Qg7 =wQ!! 3.Qxb4+ Nxb4# (not possible 4.Qg8=b.Q – self-check!) II. 1.Nd4 =bN Kh3 2.Qa1=bQ Qg8=qQ!! 3.Rxf3+ Nxf3# (not possible 4.Qg7=b.Q – self-check!)   Creation of black batteries N/R N/Q through white moves(!) with interchange of functions between Ra3/Qe1. But most interesting theme here is “White blocks realized by the black pieces!” – a very surprising  effect of Anti-Andernach Chess!  Paradoxical thing here is that in the initial setting the black Queen keeps all squares around the w.King, but this piece should eliminate this  domination and execute a specific block-functions. Model mates in Meredith form! (Author) No.149 Petko A. Petkov Bulgaria original-09.10.2012 Dedicated to the 6th month Jubilee of the site Julia’s Fairies!   hs#3              2 solutions            (6+6) Anti-Andernach Chameleons: Sa5, Qd8, Qg3   Solutions: (click to show/hide)   I. 1.CQg8 =bCS! CQg5 =wCS  2.CSh7 =bCB  CSb7 =wCB!!  – tempo-move!! 3.Sxg8+ CBxg8 =CR#. Impossible is 4.CBc8=bCR?? – self-check! II. 1.CQd4=bCS!  CSc6 =wCB  2.CBd7=bCR CQb8 =wCS!!  – tempo-move!! 3.Sxd5+ CRxd5 =CQ#.  Impossible is 4.CSc6=bCB?? – self-check!   The surprising destruction of the white  strong battery S/CQ leads to two sacrifices of the  rear piece (CQ) on g8/d5. There are no black batteries here, but the black Chameleons (CQ and CS) demonstrate a non-standard change of functions – if  one Chameleon mates,  the other – executes a tempo move which has an effect as white block through the black piece! Model mates in Meredith form.(Author)

The diagrams are made on WinChloe and its Echecs font is used for Logo design

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