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Problem Display

PID: 239123 (1nN1Br1n/rP3p2/1p5P/3k1KP1/1P1B1pp1/6p1/4NP1q/2R3b1 w - - 0 1)

Cuppini, Alessandro

Sachove umeni (Ceskoslovensky sach), 2002

1nN1Br1n/rP3p2/1p5P/3k1KP1/1P1B1pp1/6p1/4NP1q/2R3b1

#2

11 + 12

15148	Sadier Collection	2021

SOLUTION

SOUND
Sets
- 1...Sa6
  - 2.Bc6#
- 1...Sc6
  - 2.Bxc6#
- 1...b5
  - 2.Rc5#
Tries
- 1.Bc5?
  - threat
    - 2.Sxf4#
    - 2.Sxb6#
    - 2.Se7#
  - 1...Qxf2
    - 2.Sxb6#
    - 2.Se7#
  - 1...Qxh6
    - 2.Sxf4#
    - 2.Se7#
  - 1...Rxb7
    - 2.Sxf4#
  - 1...gxf2
    - 2.Sxb6#
    - 2.Se7#
  - 1...bxc5
    - 2.Rxc5#
  - 1...Sd7
    - 2.Se7#
  - 1...Ra6
    - 2.Sxf4#
    - 2.Se7#
  - 1...Sc6
    - 2.Sxf4#
    - 2.Sxb6#
  - 1...Sg6
    - 2.Sxb6#
  - 1...g2
    - 2.Sxb6#
    - 2.Se7#
  - 1...f3
    - 2.Sf4#
    - 2.Sxb6#
    - 2.Se7#
  - 1...b5
    - 2.Sxf4#
    - 2.Sb6#
    - 2.Se7#
  - 1...Rxe8!
- 1.Bxb6?
  - threat
    - 2.Sxf4#
    - 2.Rc5#
  - 1...Bxf2
    - 2.Sxf4#
  - 1...gxf2
    - 2.Rc5#
  - 1...Ra5
    - 2.Sxf4#
  - 1...Sa6
    - 2.Sxf4#
    - 2.Bc6#
  - 1...Sd7
    - 2.Sxf4#
  - 1...Sg6
    - 2.Rc5#
  - 1...g2
    - 2.Rc5#
  - 1...f3
    - 2.Sf4#
    - 2.Rc5#
  - 1...Qxf2!
Keys
- 1.Be5!
  - threat
    - 2.Sxf4#
    - 2.Sxb6#
    - 2.Se7#
  - 1...Qxf2
    - 2.Se7#
  - 1...Qxh6
    - 2.Sxf4#
    - 2.Se7#
  - 1...Rxb7
    - 2.Sxf4#
  - 1...Rxe8
    - 2.Sxf4#
    - 2.Sxb6#
  - 1...Bxf2
    - 2.Sxf4#
    - 2.Se7#
  - 1...gxf2
    - 2.Sxb6#
    - 2.Se7#
  - 1...Ra6
    - 2.Sxf4#
    - 2.Se7#
  - 1...Sc6
    - 2.Sxf4#
    - 2.Sxb6#
    - 2.Bxc6#
  - 1...Sd7
    - 2.Sxf4#
    - 2.Se7#
  - 1...Sg6
    - 2.Sxb6#
  - 1...g2
    - 2.Sxb6#
    - 2.Se7#
  - 1...f3
    - 2.Sf4#
    - 2.Sxb6#
    - 2.Se7#
  - 1...b5
    - 2.Sxf4#
    - 2.Sb6#
    - 2.Se7#
    - 2.Rc5#

FEATURES

Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
Sets
- S(j);N_GUARD::B(K)
- S(j);N_GUARD::B(K),XS(j)
- P(g);N_GUARD::R1(A)
Tries
- Try
  - B(E);
  - Threat
    - DUALS(3)
  - Vars
    - R(h);XP(I)::S(B),XP(d)
    - P(g);OGATE,XB(E)::R1(A),XP(g)
    - S(j);::S(J)
    - S(l);::S(J),XP(g)
  - Refutation
    - R(k);XB(K)
- Try
  - B(E);XP(g)
  - Threat
    - DUALS(2)
  - Vars
    - B(a);XP(C)::S(B),XP(d)
    - P(c);XP(C)::R1(A)
    - R(h);::S(B),XP(d)
    - S(j);::S(B),XP(d)
    - S(l);::R1(A)
    - P(c);::R1(A)
  - Refutation
    - Q(b);XP(C)
Actual
- B(E);
- Threat
  - DUALS(3)
- Vars
  - Q(b);XP(C)::S(J)
  - R(h);XP(I)::S(B),XP(d)
  - S(l);::S(J),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).