Henryk Grudziński 
(Poland) &
Paul Rãican 


Original Problems
JF Retro and PG problems 2015-2016

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No.509.6 by Henryk Grudziński & Paul Rãican – Correction to the versions published in March, 2014 (No.509.-509.5) and excluded from JF Retro&PG TT 2013/2014: “509.5 Extremely complex cook with with a cyclic Platzwechsel of a different triple of black pawns!! 1.d3 (Tempo) d5 2.d4 Bh3 3.g×h3-c8=Q e6 4.Q×b8-a6 Sh6 5.B×h6-f5 Ba3 6.b×a3-f8=Q K×f8- b4 7.e3 e×f5-d7 8.Bc4 Qg5 9.Qe6 f×e6-e7 10.f4 d×c4-f7 11.Sd2 Kc3. (Dirk Borst)”. (JV)


Take & Make: Having captured, a unit must immediately, as part of its move, play a non-capturing move in imitation of the captured unit from the capture-square. If no such move is available, the capture is illegal. Promotion by capture occurs only when a pawn arrives on the promotion rank as the result of a take&make move. Checks are as in normal chess: after the notional capture of the checked K, the checking unit does not move away from the King’s square.

No.509.6 Henryk Grudziński &
Paul Rãican

Poland / Romania

version of No.509 – 17.10.2015

Solution: (click to show/hide)

white Bf1c1 Ke1 Qd1 Ph2g2f2e2d2c2b2a2 Sg1b1 Rh1a1 black Bf8c8 Ke8 Qd8 Ph7g7f7e7d7c7b7a7 Sg8b8 Rh8a8

PG 10                            (12+13)    C-
Take & Make

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Michel Caillaud
Michel Caillaud
March 26, 2020 11:55

demolition mode in the recently released Jacobi 0.7.4, by François Labelle, allows to find a cook :
1.Sc3 b6 2.e3 Bb7 3.Sce2 Bxg2-g3 4.Sxg3-d6+ exd6-b7 5.b3 Ba3 6.Bxa3-f8 Qg5 7.d4 Kxf8-b4 8.f4 Kc3 9.b4 Sa6 10.Bxa6-c5 bxc5-e7

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