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Problem Display

PID: 76900 (1K4n1/1p1N2r1/PpbQ1bp1/2p1p1pB/4k2p/2pRP1r1/1n2PR2/5N2 w - - 0 1)

Fulpius, Jaques

Comm., Revue Suisse d'Echecs, 1974

1K4n1/1p1N2r1/PpbQ1bp1/2p1p1pB/4k2p/2pRP1r1/1n2PR2/5N2

#2

10 + 15

133	The Problemist Supplement	2007

SOLUTION

SOUND
Sets
- 1...Rxe3
  - 2.Rxe3#
- 1...Rxd7
  - 2.Bxg6#
- 1...Re7
  - 2.Bxg6#
- 1...Rf7
  - 2.Bxg6#
- 1...Rh7
  - 2.Bxg6#
- 1...Ba4
  - 2.Qd5#
- 1...Bb5
  - 2.Qd5#
- 1...Bd5
  - 2.Qxd5#
- 1...Bxd7
  - 2.Qd5#
- 1...Be7
  - 2.Qxe5#
- 1...Bd8
  - 2.Qxe5#
- 1...Sxd3
  - 2.Qxd3#
  - 2.exd3#
- 1...Sh6
  - 2.Sxf6#
- 1...Se7
  - 2.Sxf6#
- 1...c2
  - 2.Sd2#
- 1...h3
  - 2.Sxg3#
- 1...b5
  - 2.Sxc5#
- 1...bxa6
  - 2.Qxc6#
Tries
- 1.Rxf6?
  - threat
    - 2.Qxe5#
  - 1...Rxd7
    - 2.Bxg6#
  - 1...Bxd7
    - 2.Qd5#
  - 1...Sxd3
    - 2.Qxd3#
    - 2.exd3#
  - 1...Re7
    - 2.Bxg6#
  - 1...Sc4!
- 1.Rxc3?
  - threat
    - 2.Sd2#
  - 1...Sd3
    - 2.Rc4#
    - 2.Qxd3#
    - 2.exd3#
  - 1...Sc4
    - 2.Rxc4#
    - 2.Qd3#
  - 1...Rf3!
Keys
- 1.Qe6!
  - 1...Rxe3
    - 2.Qg4#
  - 1...Rxd7
    - 2.Bxg6#
  - 1...Bxd7
    - 2.Qd5#
  - 1...Sxd3
    - 2.Qc4#
  - 1...gxh5
    - 2.Qf5#
  - 1...bxa6
    - 2.Qxc6#
  - 1...Rg1
    - 2.Bf3#
  - 1...Rg2
    - 2.Bf3#
  - 1...Rf3
    - 2.Bxf3#
  - 1...Rh3
    - 2.Qg4#
  - 1...Rg4
    - 2.Qxg4#
  - 1...Re7
    - 2.Bxg6#
  - 1...Rf7
    - 2.Bxg6#
  - 1...Rh7
    - 2.Bxg6#
  - 1...Ba4
    - 2.Qd5#
  - 1...Bb5
    - 2.Qd5#
  - 1...Bd5
    - 2.Qxd5#
  - 1...Be7
    - 2.Qxe5#
  - 1...Bd8
    - 2.Qxe5#
  - 1...Sd1
    - 2.Qc4#
  - 1...Sa4
    - 2.Qc4#
  - 1...Sc4
    - 2.Qxc4#
  - 1...Sh6
    - 2.Sxf6#
  - 1...Se7
    - 2.Sxf6#
  - 1...c2
    - 2.Sd2#
  - 1...h3
    - 2.Sxg3#
  - 1...c4
    - 2.Rd4#
  - 1...g4
    - 2.Rf4#
  - 1...b5
    - 2.Sxc5#

FEATURES

Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 12
- REMOVED MATES = 0
Sets
- R(c);OGATE,XP(E)::R1(D),XR(c)
- R(n);N_GUARD,XS(I)::B(F),XP(l)
- R(n);N_GUARD::B(F),XP(l)
- B(j);N_GUARD::QAB1(H)
- B(j);N_GUARD::QAB1(H),XB(j)
- B(j);N_GUARD,XS(I)::QAB1(H)
- B(k);N_GUARD::QAR1(H),XP(g)
- S(o);N_GUARD::S(I),XB(k)
- P(b);N_GUARD::S(A)
- P(e);N_GUARD::S(A),XR(c)
- P(i);N_GUARD::S(I),XP(f)
- P(m);N_GUARD,XP(G)::QAB(H),XB(j)
Tries
- Try
  - R(C);XB(k)
  - Threat
    - QAR1(H),XP(g)
  - Vars
    - R(n);N_GUARD,XS(I)::B(F),XP(l)
    - B(j);N_GUARD,XS(I)::QAB1(H)
    - R(n);N_GUARD::B(F),XP(l)
  - Refutation
    - S(a);
- Try
  - R(D);XP(b)
  - Threat
    - S(A)
  - Refutation
    - R(c);
Actual
- Q(H);P_PINP(g)
- Vars
  - R(c);N_GUARD,XP(E)::QAR2(H)
  - R(n);N_GUARD,XS(I)::B(F),XP(l)
  - B(j);N_GUARD,XS(I)::QAB1(H)
  - S(a);N_GUARD,XR(D)::QAR2(H)
  - P(l);N_GUARD,XB(F)::QAB1(H)
  - P(m);N_GUARD,XP(G)::QAB(H),XB(j)
  - R(c);N_GUARD::B(F)
  - R(c);N_GUARD::B(F),XR(c)
  - R(c);N_GUARD::QAR2(H)
  - R(c);N_GUARD::QAR2(H),XR(c)
  - R(n);N_GUARD::B(F),XP(l)
  - B(j);N_GUARD::QAB1(H)
  - B(j);N_GUARD::QAB1(H),XB(j)
  - B(k);N_GUARD::QAR1(H),XP(g)
  - S(a);N_GUARD::QAR2(H)
  - S(a);N_GUARD::QAR2(H),XS(a)
  - S(o);N_GUARD::S(I),XB(k)
  - P(b);N_GUARD::S(A)
  - P(e);N_GUARD::S(A),XR(c)
  - P(f);N_GUARD::R1(D)
  - P(h);N_GUARD::R1(C)
  - P(i);N_GUARD::S(I),XP(f)

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).