MESON Chess Problem Database

Problem Display
PID: 68927 (8/p6p/P6P/1PQ3pK/3p2N1/pB1P4/r1pk3p/b1N4R w - - 0 1)

Salardini, Erio

Het Belgisch Schaakbord (L'Echiquier Belge), 1956

8/p6p/P6P/1PQ3pK/3p2N1/pB1P4/r1pk3p/b1N4R

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rb2
      • 2.Qb4#
    • 1...Bb2
      • 2.Qxc2#
    • 1...Bc3
      • 2.Qxg5#
  • Tries
    • 1.Kxg5?
      • 1...Rb2
        • 2.Qb4#
      • 1...Bb2
        • 2.Qxc2#
      • 1...Bc3!
    • 1.Bxa2?
      • 1...Bc3
        • 2.Qxg5#
      • 1...Bb2!
    • 1.Ba4?
      • 1...Bb2
        • 2.Qxc2#
      • 1...Bc3
        • 2.Qxg5#
      • 1...Rb2!
    • 1.Qc4?
      • 1...Rb2
        • 2.Qb4#
      • 1...Bb2
        • 2.Qxc2#
      • 1...Bc3!
    • 1.Qc6?
      • 1...Bb2
        • 2.Qxc2#
      • 1...Bc3
        • 2.Qg2#
      • 1...Rb2!
    • 1.b6?
      • 1...Rb2
        • 2.Qb4#
        • 2.Qa5#
      • 1...Bb2
        • 2.Qxc2#
      • 1...Bc3
        • 2.Qxg5#
      • 1...axb6!
  • Keys
    • 1.Qc7!
      • 1...Rb2
        • 2.Qa5#
      • 1...Bb2
        • 2.Qxc2#
      • 1...Bc3
        • 2.Qxh2#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(b);S_CUTB(a)::QAB(G)
    • B(a);S_CUTR(b)::QAR1(G),XP(c)
    • B(a);SBLOCK::QAB(G),XP(h)
  • Tries
    • Try
      • K(H);P-FLIGHT,XP(h)
      • Vars
        • R(b);S_CUTB(a)::QAB(G)
        • B(a);S_CUTR(b)::QAR1(G),XP(c)
      • Refutation
        • B(a);
    • Try
      • B(C);XR(b)
      • Vars
        • B(a);SBLOCK::QAB(G),XP(h)
      • Refutation
        • B(a);
    • Try
      • B(C);
      • Vars
        • B(a);S_CUTR(b)::QAR1(G),XP(c)
        • B(a);SBLOCK::QAB(G),XP(h)
      • Refutation
        • R(b);
    • Try
      • Q(G);
      • Vars
        • R(b);S_CUTB(a)::QAB(G)
        • B(a);S_CUTR(b)::QAR1(G),XP(c)
      • Refutation
        • B(a);
    • Try
      • Q(G);
      • Vars
        • B(a);S_CUTR(b)::QAR1(G),XP(c)
        • B(a);SBLOCK::QAR(G)
      • Refutation
        • R(b);
    • Try
      • P(F);
      • Vars
        • B(a);S_CUTR(b)::QAR1(G),XP(c)
        • B(a);SBLOCK::QAB(G),XP(h)
      • Refutation
        • P(i);XP(F)
  • Actual
    • Q(G);
    • Vars
      • R(b);S_CUTB(a)::QAB(G)
      • B(a);S_CUTR(b)::QAR1(G),XP(c)
      • B(a);SBLOCK::QAR(G),XP(e)
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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).