Meson Chess Problem Database

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Problem Display

PID: 54259 (bK2R3/2NB4/2QP1p2/1R2P3/2P2krB/5r2/5P2/8 w - - 0 1)

Fleck, Ferenc

Chess Life, 1956

bK2R3/2NB4/2QP1p2/1R2P3/2P2krB/5r2/5P2/8

#2

11 + 5

SOLUTION

SOUND
Sets
- 1...fxe5
  - 2.Rf8#
- 1...f5
  - 2.Se6#
Keys
- 1.exf6!
  - threat
    - 2.Sd5#
    - 2.Se6#
    - 2.Rf5#
    - 2.Re4#
  - 1...Rxf2
    - 2.Rf5#
  - 1...Rxh4
    - 2.Re4#
  - 1...Bxc6
    - 2.Rf5#
  - 1...Ra3
    - 2.Se6#
    - 2.Rf5#
  - 1...Rb3
    - 2.Se6#
  - 1...Rc3
    - 2.Se6#
    - 2.Rf5#
  - 1...Rd3
    - 2.Se6#
    - 2.Rf5#
  - 1...Re3
    - 2.Rf5#
    - 2.fxe3#
  - 1...Rfg3
    - 2.Se6#
    - 2.Rf5#
  - 1...Rh3
    - 2.Se6#
    - 2.Rf5#
  - 1...Rg1
    - 2.Sd5#
    - 2.Re4#
  - 1...Rg2
    - 2.Sd5#
    - 2.Re4#
  - 1...Rgg3
    - 2.Sd5#
    - 2.Re4#
  - 1...Rg5
    - 2.Bxg5#
    - 2.Re4#
  - 1...Rg6
    - 2.Sd5#
    - 2.Re4#
  - 1...Rg7
    - 2.Sd5#
    - 2.Re4#
  - 1...Rg8
    - 2.Sd5#

FEATURES

Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 2
Sets
- P(d);OGATEB,XP(E)::R(K)
- P(d);SBLOCK::S(H)
Actual
- P(E);XP(d)
- Threat
  - DUALS(4)
- Vars
  - R(a);XP(A)::R1(D)
  - R(c);XB(C)::R1(K)
  - B(e);XQ(F)::R1(D)
  - R(a);P_PINR(D)::S(H)
  - R(c);P_PINR(K)::S(H)

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).