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Problem Display

PID: 138671 (3QKNbk/5pp1/5p2/5P2/8/8/8/8 w - - 0 1)

Galitzky, Aleksandr Vasilevich

Shakhmatny vechera, 1901

3QKNbk/5pp1/5p2/5P2/8/8/8/8

#2

4 + 5

14666	Aleksandr Galitzky - Shakhmaty Geine (Vol 1)	2010

SOLUTION

SOUND
Sets
- 1...g5
  - 2.Qxf6#
- 1...g6
  - 2.Qxf6#
Tries
- 1.Qb6?
  - 1...g5
    - 2.Qxf6#
  - 1...g6
    - 2.Qxf6#
  - 1...Bh7!
- 1.Qe7?
  - 1...g5
    - 2.Qxf6#
  - 1...g6
    - 2.Qxf6#
  - 1...Bh7!
- 1.Qd4?
  - 1...g5
    - 2.Qxf6#
  - 1...g6
    - 2.Qxf6#
  - 1...Bh7!
- 1.Qd6?
  - 1...g5
    - 2.Qxf6#
  - 1...g6
    - 2.Qxf6#
  - 1...Bh7!
Keys
- 1.Kd7!
  - 1...Bh7
    - 2.Sg6#
  - 1...g5
    - 2.Qxf6#
  - 1...g6
    - 2.Qxf6#

FEATURES

Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
Sets
- P(c);OGATEB::QAB(B),XP(a)
Tries
- Try
  - Q(B);
  - Vars
    - P(c);OGATEB::QAB(B),XP(a)
  - Refutation
    - B(d);
- Try
  - Q(B);
  - Vars
    - P(c);OGATEB::QAB(B),XP(a)
  - Refutation
    - B(d);
- Try
  - Q(B);
  - Vars
    - P(c);OGATEB,P_SPINP(a)::QAB(B),XP(a)
  - Refutation
    - B(d);
- Try
  - Q(B);
  - Vars
    - P(c);OGATEB::QAB(B),XP(a)
  - Refutation
    - B(d);
Actual
- K(C);S_FLIGHT
- Vars
  - B(d);SBLOCK::QAR(B)+S(D),DCHECK
  - P(c);OGATEB::QAB(B),XP(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).