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Problem Display

PID: 97400 (8/1Pp3PR/2Pp2K1/1p1k3N/1P3p2/2P2N1R/4P3/5BB1 w - - 0 1)

Armengol Burgues, Francisco

Problemas, 1977

8/1Pp3PR/2Pp2K1/1p1k3N/1P3p2/2P2N1R/4P3/5BB1

#2

13 + 5

6490	yacpdb	2009

SOLUTION

SOUND
Sets
- 1...Ke4
  - 2.Sf6#
- 1...Ke6
  - 2.g8Q#
  - 2.g8B#
Tries
- 1.Sf6+?
  - 1...Kc4
    - 2.Sd2#
  - 1...Ke6
    - 2.g8Q#
    - 2.g8B#
  - 1...Kxc6!
- 1.b8S?
  - 1...Ke4
    - 2.Sf6#
  - 1...Ke6
    - 2.g8Q#
    - 2.g8B#
  - 1...Kc4!
- 1.g8Q+?
  - 1...Ke4
    - 2.Sf6#
    - 2.Re7#
    - 2.Qe6#
  - 1...Kxc6!
- 1.g8B+?
  - 1...Ke4
    - 2.Sf6#
    - 2.Re7#
  - 1...Kxc6!
Keys
- 1.Bg2!
  - 1...Kc4
    - 2.Sd2#
  - 1...Ke4
    - 2.Sf6#
  - 1...Kxc6
    - 2.Se5#
  - 1...Ke6
    - 2.g8Q#
    - 2.g8B#

FEATURES

Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
Sets
- K(c);S_FLIGHT::S(H)
- K(c);S_FLIGHT::P=Q
Tries
- Try
  - S(H);CHECK
  - Vars
    - K(c);S_FLIGHT::S(E)
    - K(c);S_FLIGHT::P=Q
  - Refutation
    - K(c);S_FLIGHT,XP(I)
- Try
  - P(K);
  - Vars
    - K(c);S_FLIGHT::S(H)
    - K(c);S_FLIGHT::P=Q
  - Refutation
    - K(c);S_FLIGHT
- Try
  - P(L);CHECK
  - Refutation
    - K(c);S_FLIGHT,XP(I)
- Try
  - P(L);CHECK
  - Refutation
    - K(c);S_FLIGHT,XP(I)
Actual
- B(A);
- Vars
  - K(c);S_FLIGHT::S(E)
  - K(c);S_FLIGHT::S(H)
  - K(c);S_FLIGHT,XP(I)::B(A)+S(E),DCHECK
  - K(c);S_FLIGHT::P=Q

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).