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MatPlus.Net Forum Competitions Internet Tourney, Vilnius 2019
 
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(1) Posted by Vilimantas Satkus [Tuesday, Apr 9, 2019 19:03]

Internet Tourney, Vilnius 2019


On the site of WCCC,2019,is announced internet composing tourney.
 
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(2) Posted by Mario Parrinello [Wednesday, Apr 10, 2019 18:14]

Could someone provide the definition of Chumakov theme?
Thanks!
 
 
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(3) Posted by Vitaly Medintsev [Wednesday, Apr 10, 2019 18:30]

Chumakov theme
Two or more pieces captured in one phase self-block in another phase.
 
   
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(4) Posted by Viktoras Paliulionis [Wednesday, Apr 10, 2019 19:59]

There is also another form of the Chumakov theme:
In one phase, a black piece blocks a square, while another black piece is captured; in another phase, vice versa.

A cyclic form of the theme is also possible.
 
   
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(5) Posted by Vilimantas Satkus [Thursday, Apr 11, 2019 19:35]

The announcement is supplemented with new details.
Tschumakov theme I. Two or more pieces captured in one phase self-block in another phase.
There two black pieces that self-blocked the King in one phase, rook Re6 and Qg7, were captured KxRh2xQg3 in another phase. All types of twins are allowed if every twin is thematic.
 
 
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MatPlus.Net Forum Competitions Internet Tourney, Vilnius 2019