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Problem 836: N. Shankar Ram - Fairy (Camel Rider, Madrasi)
chess1(29.05.2017) The Indian Fairy chess expert contributes an original after a long break. Welcome back Shankar! This Helpselfmate duplex is full of effects and has perfect unity.
836. N. Shankar Ram (India) 
835HS#3      Duplex      (3+3)
Madrasi RI,  b3: Camel Rrider b3
1.g2-g3 CRh1 2.Be2 Kc3 3.Kb3 CRxe2#
1.g4-g3 Bf1 2.CRe2 Kb4 3.Kc4 Bxe2#
Bi-color Camel Rider/Bishop Grimshaw e2 with critical move and incarceration.
Mutual obstruction on g3 between BP/WP
WK/BK occupy initial sqares of  CR/B
WK/BK mutual paralysis.
Exchange of function between BCR/WB, BK/WK BP/WP (Author)
Madrasi: Mutually attacking black and white units of the same type (kings excluded) paralyse each other, so that they may no longer move or give check. The paralysis may be removed, for example by interference (in the case of line pieces), or by capture of either of the paralysed units. 
Madrasi Rex Inclusive: Same as Madrasi, but Kings are included and can paralise each other. 
Camel (CA): a (1,3/3,1) leaper, e.g. a1>b4 or a1>d2.
Camel Rider:  Moves in a straight line like a rider on camel lines. On a 8x8 board can have only a two-step ride. CRb3 can move to h1 or h5 and can be blocked on e2 and e4.


+2 #1 Seetharaman Kalyan 2017-05-29 08:00
Helfselfmate in duplex form is not seen frequently. Welldone! Shankar has since shown this idea in a different setting using only orthodox pieces.


Of course some plugs (too many?) were needed!

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