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Problem Display

PID: 243184 (6B1/6p1/6kp/3P1r1p/3PK2B/8/8/1Q6 w - - 0 1)

Bartolovic, Hrvoje

Revista Romana de Sah, 1961

6B1/6p1/6kp/3P1r1p/3PK2B/8/8/1Q6

#2

6 + 5

15148	Sadier Collection	2021

SOLUTION

SOUND
Sets
- 1...Rf3
  - 2.Kxf3#
- 1...Rf4+
  - 2.Kxf4#
- 1...Rxd5
  - 2.Kxd5#
- 1...Re5+
  - 2.Kxe5#
- 1...Rg5
  - 2.Qb6#
- 1...Rf6
  - 2.Qg1#
- 1...Rf7
  - 2.Qg1#
- 1...Rf8
  - 2.Qg1#
Tries
- 1.Qc2?
  - 1...Rf4+
    - 2.Kxf4#
  - 1...Re5+
    - 2.Kxe5#
  - 1...Rxd5
    - 2.Kxd5#
  - 1...Rg5
    - 2.Qc6#
  - 1...Rf1
    - 2.Qg2#
  - 1...Rf3
    - 2.Kxf3#
  - 1...Rf6
    - 2.Qg2#
  - 1...Rf7
    - 2.Qg2#
  - 1...Rf8
    - 2.Qg2#
  - 1...Rf2!
Keys
- 1.Qd3!
  - 1...Rf4+
    - 2.Kxf4#
  - 1...Re5+
    - 2.Kxe5#
  - 1...Rxd5
    - 2.Kxd5#
  - 1...Rg5
    - 2.Qa6#
  - 1...Rf1
    - 2.Qg3#
  - 1...Rf2
    - 2.Qg3#
  - 1...Rf3
    - 2.Kxf3#
  - 1...Rf6
    - 2.Qg3#
  - 1...Rf7
    - 2.Qg3#
  - 1...Rf8
    - 2.Qg3#

FEATURES

Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 2
- REMOVED MATES = 0
Sets
- R(a);::QAB(A)+K(C),XR(a)
- R(a);CHECK::QAB(A)+K(C),XR(a)
- R(a);XP(E)::QAB(A)+K(C),XR(a)
- R(a);N_GUARD::QAR(A)
Tries
- Try
  - Q(A);
  - Vars
    - R(a);CHECK::QAB(A)+K(C),XR(a)
    - R(a);XP(E)::QAB(A)+K(C),XR(a)
    - R(a);N_GUARD::QAR(A)
    - R(a);::QAB(A)+K(C),XR(a)
  - Refutation
    - R(a);
Actual
- Q(A);
- Vars
  - R(a);CHECK::QAB(A)+K(C),XR(a)
  - R(a);XP(E)::QAB(A)+K(C),XR(a)
  - R(a);N_GUARD::QAR(A)
  - R(a);::QAB(A)+K(C),XR(a)

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).