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Problem Display

PID: 214632 (5B2/n6Q/4kp2/p3p3/2Kb4/2p5/B1P2n2/8 w - - 0 1)

Shinkman, William Anthony

Chicago Tribune, 1877

5B2/n6Q/4kp2/p3p3/2Kb4/2p5/B1P2n2/8

#2

5 + 8

6490	yacpdb	2020

SOLUTION

SOUND
Sets
- 1...Be3
  - 2.Kxc3#
- 1...Bc5
  - 2.Kxc3#
  - 2.Kxc5#
- 1...Bb6
  - 2.Kxc3#
- 1...Sd1
  - 2.Kd3#
- 1...Sh1
  - 2.Kd3#
- 1...Sd3
  - 2.Kxd3#
- 1...Sh3
  - 2.Kd3#
- 1...Se4
  - 2.Kd3#
- 1...Sg4
  - 2.Kd3#
- 1...Sb5
  - 2.Kxb5#
- 1...Sc6
  - 2.Kb5#
- 1...Sc8
  - 2.Kb5#
- 1...a4
  - 2.Kb4#
- 1...e4
  - 2.Kxd4#
- 1...f5
  - 2.Qe7#
Tries
- 1.Bb3?
  - 1...e4
    - 2.Kxd4#
  - 1...f5
    - 2.Qe7#
  - 1...Be3
    - 2.Kxc3#
  - 1...Bc5
    - 2.Kxc3#
    - 2.Kxc5#
  - 1...Bb6
    - 2.Kxc3#
  - 1...Sd1
    - 2.Kd3#
  - 1...Sh1
    - 2.Kd3#
  - 1...Sd3
    - 2.Kxd3#
  - 1...Sh3
    - 2.Kd3#
  - 1...Se4
    - 2.Kd3#
  - 1...Sg4
    - 2.Kd3#
  - 1...Sb5
    - 2.Kxb5#
  - 1...Sc6
    - 2.Kb5#
  - 1...Sc8
    - 2.Kb5#
  - 1...a4!
- 1.Ba3?
  - 1...Bc5
    - 2.Kxc5#
  - 1...e4
    - 2.Kxd4#
  - 1...f5
    - 2.Qe7#
  - 1...Be3
    - 2.Kxc3#
  - 1...Bb6
    - 2.Kxc3#
  - 1...Sd1
    - 2.Kd3#
  - 1...Sh1
    - 2.Kd3#
  - 1...Sd3
    - 2.Kxd3#
  - 1...Sh3
    - 2.Kd3#
  - 1...Se4
    - 2.Kd3#
  - 1...Sg4
    - 2.Kd3#
  - 1...Sb5
    - 2.Kxb5#
  - 1...Sc6
    - 2.Kb5#
  - 1...Sc8
    - 2.Kb5#
  - 1...a4!
Keys
- 1.Bc5!
  - 1...Bxc5
    - 2.Kxc5#
  - 1...e4
    - 2.Kxd4#
  - 1...f5
    - 2.Qe7#
  - 1...a4
    - 2.Kb4#
  - 1...Be3
    - 2.Kxc3#
  - 1...Sd1
    - 2.Kd3#
  - 1...Sh1
    - 2.Kd3#
  - 1...Sd3
    - 2.Kxd3#
  - 1...Sh3
    - 2.Kd3#
  - 1...Se4
    - 2.Kd3#
  - 1...Sg4
    - 2.Kd3#
  - 1...Sb5
    - 2.Kxb5#
  - 1...Sc6
    - 2.Kb5#
  - 1...Sc8
    - 2.Kb5#

FEATURES

Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
Sets
- B(c);::B(A)+K(C),XP(b)
- S(a);::B(A)+K(C)
- S(a);::B(A)+K(C),XS(a)
- S(h);::B(A)+K(C),XS(h)
- S(h);::B(A)+K(C)
- P(d);::B(A)+K(C)
- P(e);::B(A)+K(C),XB(c)
- P(g);SBLOCK::QAR1(D)
Tries
- Try
  - B(A);
  - Vars
    - P(e);::B(A)+K(C),XB(c)
    - P(g);SBLOCK::QAR1(D)
    - B(c);::B(A)+K(C),XP(b)
    - S(a);::B(A)+K(C)
    - S(a);::B(A)+K(C),XS(a)
    - S(h);::B(A)+K(C),XS(h)
    - S(h);::B(A)+K(C)
  - Refutation
    - P(d);
- Try
  - B(E);
  - Vars
    - B(c);::B(A)+K(C),XB(c)
    - P(e);::B(A)+K(C),XB(c)
    - P(g);SBLOCK::QAR1(D)
    - B(c);::B(A)+K(C),XP(b)
    - S(a);::B(A)+K(C)
    - S(a);::B(A)+K(C),XS(a)
    - S(h);::B(A)+K(C),XS(h)
    - S(h);::B(A)+K(C)
  - Refutation
    - P(d);
Actual
- B(E);
- Vars
  - B(c);XB(E)::B(A)+K(C),XB(c)
  - P(e);::B(A)+K(C),XB(c)
  - P(g);SBLOCK::QAR1(D)
  - P(d);::B(A)+K(C)
  - B(c);::B(A)+K(C),XP(b)
  - S(a);::B(A)+K(C)
  - S(a);::B(A)+K(C),XS(a)
  - S(h);::B(A)+K(C),XS(h)
  - S(h);::B(A)+K(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).