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Problem Display

PID: 106266 (8/p2K4/B2B4/3k3p/3N3R/3b3N/8/3R4 w - - 0 1)

Palkoska, Emil

Praca, 1954

8/p2K4/B2B4/3k3p/3N3R/3b3N/8/3R4

#2

7 + 4

6490	yacpdb	2009

SOLUTION

SOUND
Sets
- 1...Bb1
  - 2.Sc2#
- 1...Bf1
  - 2.Se2#
- 1...Bc2
  - 2.Sxc2#
- 1...Be2
  - 2.Sxe2#
- 1...Bc4
  - 2.Bb7#
- 1...Be4
  - 2.Sf4#
- 1...Bb5+
  - 2.Sxb5#
- 1...Bf5+
  - 2.Sxf5#
- 1...Bxa6
  - 2.Sb5#
- 1...Bg6
  - 2.Sf5#
- 1...Bh7
  - 2.Sf5#
Tries
- 1.Sg1?
  - 1...Bb5+
    - 2.Sxb5#
  - 1...Bf5+
    - 2.Sxf5#
  - 1...Bxa6
    - 2.Sb5#
  - 1...Bb1
    - 2.Sc2#
  - 1...Bf1
    - 2.Sde2#
  - 1...Bc2
    - 2.Sxc2#
  - 1...Be2
    - 2.Sdxe2#
  - 1...Bc4
    - 2.Bb7#
  - 1...Bg6
    - 2.Sf5#
  - 1...Bh7
    - 2.Sf5#
  - 1...Be4!
- 1.Sf2?
  - 1...Bb5+
    - 2.Sxb5#
  - 1...Bf5+
    - 2.Sxf5#
  - 1...Bxa6
    - 2.Sb5#
  - 1...Bb1
    - 2.Sc2#
  - 1...Bf1
    - 2.Se2#
    - 2.Rxh5#
  - 1...Bc2
    - 2.Sxc2#
  - 1...Be2
    - 2.Sxe2#
  - 1...Bc4
    - 2.Bb7#
    - 2.Rxh5#
  - 1...Bg6
    - 2.Sf5#
  - 1...Bh7
    - 2.Sf5#
  - 1...Be4!
- 1.Sg5?
  - 1...Bb5+
    - 2.Sxb5#
  - 1...Bf5+
    - 2.Sxf5#
  - 1...Bxa6
    - 2.Sb5#
  - 1...Bb1
    - 2.Sc2#
  - 1...Bf1
    - 2.Se2#
  - 1...Bc2
    - 2.Sxc2#
  - 1...Be2
    - 2.Sxe2#
  - 1...Bc4
    - 2.Bb7#
  - 1...Bg6
    - 2.Sf5#
  - 1...Bh7
    - 2.Sf5#
  - 1...Be4!
Keys
- 1.Rd2!
  - 1...Bb5+
    - 2.Sxb5#
  - 1...Bf5+
    - 2.Sxf5#
  - 1...Bxa6
    - 2.Sb5#
  - 1...Be4
    - 2.Sf4#
  - 1...Bb1
    - 2.Sc2#
  - 1...Bf1
    - 2.Se2#
  - 1...Bc2
    - 2.Sxc2#
  - 1...Be2
    - 2.Sxe2#
  - 1...Bc4
    - 2.Bb7#
  - 1...Bg6
    - 2.Sf5#
  - 1...Bh7
    - 2.Sf5#

FEATURES

Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
Sets
- B(a);::R(A)+S(C)
- B(a);::R(A)+S(C),XB(a)
- B(a);SBLOCK::B(E)
- B(a);SBLOCK::S(B)
- B(a);CHECK::R(A)+S(C),XB(a)
- B(a);XB(E)::R(A)+S(C)
Tries
- Try
  - S(B);
  - Vars
    - B(a);CHECK::R(A)+S(C),XB(a)
    - B(a);XB(E)::R(A)+S(C)
    - B(a);::R(A)+S(C)
    - B(a);::R(A)+S(C),XB(a)
    - B(a);SBLOCK::B(E)
  - Refutation
    - B(a);
- Try
  - S(B);
  - Vars
    - B(a);CHECK::R(A)+S(C),XB(a)
    - B(a);XB(E)::R(A)+S(C)
    - B(a);::R(A)+S(C)
    - B(a);::R(A)+S(C),XB(a)
  - Refutation
    - B(a);
- Try
  - S(B);
  - Vars
    - B(a);CHECK::R(A)+S(C),XB(a)
    - B(a);XB(E)::R(A)+S(C)
    - B(a);::R(A)+S(C)
    - B(a);::R(A)+S(C),XB(a)
    - B(a);SBLOCK::B(E)
  - Refutation
    - B(a);
Actual
- R(A);
- Vars
  - B(a);CHECK::R(A)+S(C),XB(a)
  - B(a);XB(E)::R(A)+S(C)
  - B(a);SBLOCK::S(B)
  - B(a);::R(A)+S(C)
  - B(a);::R(A)+S(C),XB(a)
  - B(a);SBLOCK::B(E)

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).