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Problem Display

PID: 6540 (1K1B4/RN1kP3/8/8/4P3/8/8/8 w - - 0 1)

Schiffert, Gyorgy

Magyar Sakkvilag, 1931

1K1B4/RN1kP3/8/8/4P3/8/8/8

#2

6 + 1

SOLUTION

SOUND
Sets
- 1...Kc6
  - 2.e8Q#
  - 2.e8B#
- 1...Ke6
  - 2.e8Q#
- 1...Ke8
  - 2.Sd6#
Tries
- 1.Ra1?
  - 1...Kc6
    - 2.e8Q#
    - 2.e8B#
  - 1...Ke6
    - 2.e8Q#
  - 1...Ke8!
- 1.Ra2?
  - 1...Kc6
    - 2.e8Q#
    - 2.e8B#
  - 1...Ke6
    - 2.e8Q#
  - 1...Ke8!
- 1.Ra3?
  - 1...Kc6
    - 2.e8Q#
    - 2.e8B#
  - 1...Ke6
    - 2.e8Q#
  - 1...Ke8!
- 1.Ra4?
  - 1...Kc6
    - 2.e8Q#
    - 2.e8B#
  - 1...Ke6
    - 2.e8Q#
  - 1...Ke8!
- 1.Ra5?
  - 1...Kc6
    - 2.e8Q#
    - 2.e8B#
  - 1...Ke6
    - 2.e8Q#
  - 1...Ke8!
- 1.Ra8?
  - 1...Kc6
    - 2.e8Q#
    - 2.e8B#
  - 1...Ke6
    - 2.e8Q#
  - 1...Ke8!
Keys
- 1.Ka8!
  - 1...Kc6
    - 2.e8Q#
    - 2.e8B#
  - 1...Ke6
    - 2.e8Q#
  - 1...Kc8
    - 2.Sd6#
  - 1...Ke8
    - 2.Sd6#

FEATURES

Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
Sets
- K(a);S_FLIGHT::P=Q
- K(a);S_FLIGHT::S(C)
Tries
- Try
  - R(B);
  - Vars
    - K(a);S_FLIGHT::P=Q
  - Refutation
    - K(a);S_FLIGHT
- Try
  - R(B);
  - Vars
    - K(a);S_FLIGHT::P=Q
  - Refutation
    - K(a);S_FLIGHT
- Try
  - R(B);
  - Vars
    - K(a);S_FLIGHT::P=Q
  - Refutation
    - K(a);S_FLIGHT
- Try
  - R(B);
  - Vars
    - K(a);S_FLIGHT::P=Q
  - Refutation
    - K(a);S_FLIGHT
- Try
  - R(B);
  - Vars
    - K(a);S_FLIGHT::P=Q
  - Refutation
    - K(a);S_FLIGHT
- Try
  - R(B);
  - Vars
    - K(a);S_FLIGHT::P=Q
  - Refutation
    - K(a);S_FLIGHT
Actual
- K(E);P-FLIGHT
- Vars
  - K(a);S_FLIGHT::P=Q
  - K(a);S_FLIGHT::S(C)

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).