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Problem Display

PID: 264839 (6b1/8/8/7k/5K2/8/6N1/1Q6 w - - 0 1)

Zimmer, Eligiusz

Schweizerische Schachzeitung, 2012

6b1/8/8/7k/5K2/8/6N1/1Q6

#2

3 + 2

SOLUTION

SOUND
Sets
- 1...Ba2
  - 2.Qh7#
- 1...Bb3
  - 2.Qh7#
- 1...Bc4
  - 2.Qh7#
- 1...Bd5
  - 2.Qh7#
- 1...Be6
  - 2.Qh7#
- 1...Bf7
  - 2.Qh7#
- 1...Bh7
  - 2.Qxh7#
Tries
- 1.Se3?
  - 1...Kh4
    - 2.Qh1#
  - 1...Ba2
    - 2.Qh7#
  - 1...Bb3
    - 2.Qh7#
  - 1...Bc4
    - 2.Qh7#
  - 1...Bd5
    - 2.Qh7#
  - 1...Be6
    - 2.Qh7#
  - 1...Bf7
    - 2.Qh7#
  - 1...Bh7
    - 2.Qxh7#
  - 1...Kh6!
- 1.Qc2?
  - 1...Ba2
    - 2.Qh7#
  - 1...Bb3
    - 2.Qh7#
  - 1...Bc4
    - 2.Qh7#
  - 1...Bd5
    - 2.Qh7#
  - 1...Be6
    - 2.Qh7#
  - 1...Bf7
    - 2.Qh7#
  - 1...Bh7
    - 2.Qxh7#
  - 1...Kh6!
- 1.Qd3?
  - 1...Ba2
    - 2.Qh7#
  - 1...Bb3
    - 2.Qh7#
  - 1...Bc4
    - 2.Qh7#
  - 1...Bd5
    - 2.Qh7#
  - 1...Be6
    - 2.Qh7#
  - 1...Bf7
    - 2.Qh7#
  - 1...Bh7
    - 2.Qxh7#
  - 1...Kh6!
- 1.Qe4?
  - 1...Ba2
    - 2.Qh7#
  - 1...Bb3
    - 2.Qh7#
  - 1...Bc4
    - 2.Qh7#
  - 1...Bd5
    - 2.Qh7#
  - 1...Be6
    - 2.Qh7#
  - 1...Bf7
    - 2.Qh7#
  - 1...Bh7
    - 2.Qxh7#
  - 1...Kh6!
Keys
- 1.Sh4!
  - 1...Kxh4
    - 2.Qh1#
  - 1...Kh6
    - 2.Qg6#
  - 1...Ba2
    - 2.Qh7#
  - 1...Bb3
    - 2.Qh7#
  - 1...Bc4
    - 2.Qh7#
  - 1...Bd5
    - 2.Qh7#
  - 1...Be6
    - 2.Qh7#
  - 1...Bf7
    - 2.Qh7#
  - 1...Bh7
    - 2.Qxh7#

FEATURES

Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
Sets
- B(b);N_GUARD::QAR2(A)
- B(b);N_GUARD::QAR2(A),XB(b)
Tries
- Try
  - S(B);
  - Vars
    - K(a);N_GUARD,P-FLIGHT::QAR(A)
    - B(b);N_GUARD::QAR2(A)
    - B(b);N_GUARD::QAR2(A),XB(b)
  - Refutation
    - K(a);P-FLIGHT
- Try
  - Q(A);
  - Vars
    - B(b);N_GUARD::QAR2(A)
    - B(b);N_GUARD::QAR2(A),XB(b)
  - Refutation
    - K(a);P-FLIGHT
- Try
  - Q(A);
  - Vars
    - B(b);N_GUARD::QAR2(A)
    - B(b);N_GUARD::QAR2(A),XB(b)
  - Refutation
    - K(a);P-FLIGHT
- Try
  - Q(A);
  - Vars
    - B(b);N_GUARD::QAR2(A)
    - B(b);N_GUARD::QAR2(A),XB(b)
  - Refutation
    - K(a);P-FLIGHT
Actual
- S(B);
- Vars
  - K(a);OGATEB,P-FLIGHT,XS(B)::QAR(A)
  - K(a);N_GUARD,P-FLIGHT::QAR1(A)
  - B(b);N_GUARD::QAR2(A)
  - B(b);N_GUARD::QAR2(A),XB(b)

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).