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Problem Display

PID: 155084 (1b6/3r3n/4p2R/2p1nk2/5NpB/1B1pQ1P1/b7/7K w - - 0 1)

Paslack, Rainer

3rd Prize, Schach, 2010-2011

1b6/3r3n/4p2R/2p1nk2/5NpB/1B1pQ1P1/b7/7K

#2

7 + 10

23	Die Schwalbe	2014

SOLUTION

SOUND
Sets
- 1...Bb1
  - 2.Bxe6#
- 1...Sf3
  - 2.Qxe6#
- 1...Sc4
  - 2.Qxe6#
- 1...Sc6
  - 2.Qxe6#
- 1...Sg6
  - 2.Qxe6#
- 1...Sf7
  - 2.Qxe6#
- 1...Sf6
  - 2.Rxf6#
- 1...Sf8
  - 2.Rh5#
  - 2.Rf6#
Tries
- 1.Se2?
  - threat
    - 2.Qf4#
  - 1...Sf3
    - 2.Qxe6#
  - 1...Sc4
    - 2.Qxe6#
  - 1...Sc6
    - 2.Qxe6#
  - 1...Sg6
    - 2.Qxe6#
  - 1...Sf7
    - 2.Qxe6#
  - 1...Rd4!
- 1.Sg2?
  - threat
    - 2.Qf4#
  - 1...Sf3
    - 2.Qxe6#
  - 1...Sc4
    - 2.Qxe6#
  - 1...Sc6
    - 2.Qxe6#
  - 1...Sg6
    - 2.Qxe6#
  - 1...Sf7
    - 2.Qxe6#
  - 1...Rd4!
- 1.Sxd3?
  - threat
    - 2.Qf4#
  - 1...Sxd3
    - 2.Qxe6#
  - 1...Sf3
    - 2.Qxe6#
  - 1...Sc4
    - 2.Qxe6#
  - 1...Sc6
    - 2.Qxe6#
  - 1...Sg6
    - 2.Qxe6#
  - 1...Sf7
    - 2.Qxe6#
  - 1...Rd4!
- 1.Sh3?
  - threat
    - 2.Qf4#
  - 1...Sf3
    - 2.Qxe6#
  - 1...Sc4
    - 2.Qxe6#
  - 1...Sc6
    - 2.Qxe6#
  - 1...Sg6
    - 2.Qxe6#
  - 1...Sf7
    - 2.Qxe6#
  - 1...Rd4!
- 1.Sd5?
  - threat
    - 2.Qf4#
  - 1...Sf3
    - 2.Qxe6#
  - 1...Sc4
    - 2.Qxe6#
  - 1...Sc6
    - 2.Qxe6#
  - 1...Sf7
    - 2.Qxe6#
  - 1...Sg6!
- 1.Sg6?
  - threat
    - 2.Qf4#
  - 1...Sxg6
    - 2.Qxe6#
  - 1...Rd4
    - 2.Se7#
  - 1...Sf3
    - 2.Qxe6#
  - 1...Sc6
    - 2.Qxe6#
  - 1...Sf7
    - 2.Qxe6#
  - 1...Sc4!
Keys
- 1.Sh5!
  - threat
    - 2.Qf4#
  - 1...Rd4
    - 2.Sg7#
  - 1...Sf3
    - 2.Qxe6#
  - 1...Sc4
    - 2.Qxe6#
  - 1...Sc6
    - 2.Qxe6#
  - 1...Sg6
    - 2.Qxe6#
  - 1...Sf7
    - 2.Sg7#
    - 2.Qxe6#

FEATURES

Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
Sets
- B(a);N_GUARD::B(B),XP(g)
- S(e);OGATE::QAB1(C),XP(g)
- S(i);N_GUARD::R1(G),XS(i)
Tries
- Try
  - S(E);
  - Threat
    - QAR1(C)
  - Vars
    - S(e);OGATE::QAB1(C),XP(g)
  - Refutation
    - R(h);
- Try
  - S(E);
  - Threat
    - QAR1(C)
  - Vars
    - S(e);OGATE::QAB1(C),XP(g)
  - Refutation
    - R(h);
- Try
  - S(E);XP(b)
  - Threat
    - QAR1(C)
  - Vars
    - S(e);OGATE,XS(E)::QAB1(C),XP(g)
    - S(e);OGATE::QAB1(C),XP(g)
  - Refutation
    - R(h);
- Try
  - S(E);
  - Threat
    - QAR1(C)
  - Vars
    - S(e);OGATE::QAB1(C),XP(g)
  - Refutation
    - R(h);
- Try
  - S(E);
  - Threat
    - QAR1(C)
  - Vars
    - S(e);OGATE::QAB1(C),XP(g)
  - Refutation
    - S(e);
- Try
  - S(E);
  - Threat
    - QAR1(C)
  - Vars
    - S(e);OGATE,XS(E)::QAB1(C),XP(g)
    - R(h);N_GUARD::S(E)
    - S(e);OGATE::QAB1(C),XP(g)
  - Refutation
    - S(e);
Actual
- S(E);
- Threat
  - QAR1(C)
- Vars
  - R(h);N_GUARD::S(E)
  - S(e);OGATE::QAB1(C),XP(g)

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).