MESON Chess Problem Database

Problem Display
PID: 138048 (Q7/3KN3/2pP4/4kBP1/1n4R1/3pr3/5b2/7q w - - 0 1)

Matovic, TS

Nesic, Milivoj S

Sport i svet, 1960

Q7/3KN3/2pP4/4kBP1/1n4R1/3pr3/5b2/7q

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Qg2
      • 2.Qa1#
      • 2.Qh8#
    • 1...Qf3
      • 2.Qa1#
      • 2.Qh8#
    • 1...Qe4
      • 2.Qh8#
    • 1...Qd5
      • 2.Qh8#
    • 1...Qa1
      • 2.Qxa1#
      • 2.Qh8#
    • 1...Qb1
      • 2.Qh8#
    • 1...Qc1
      • 2.Qh8#
    • 1...Qd1
      • 2.Qh8#
    • 1...Qe1
      • 2.Qh8#
    • 1...Qf1
      • 2.Qh8#
    • 1...Qg1
      • 2.Qh8#
    • 1...Qh2
      • 2.Qa1#
    • 1...Qh3
      • 2.Qa1#
    • 1...Qh4
      • 2.Qa1#
    • 1...Qh5
      • 2.Qa1#
    • 1...Qh6
      • 2.Qa1#
    • 1...Qh7
      • 2.Qa1#
    • 1...Qh8
      • 2.Qa1#
      • 2.Qxh8#
    • 1...Rf3
      • 2.Re4#
    • 1...Bg1
      • 2.Qa1#
    • 1...Bh4
      • 2.Qh8#
  • Tries
    • 1.Be6?
      • threat
        • 2.Sg6#
      • 1...Qe4
        • 2.Qh8#
      • 1...Qh5
        • 2.Qa1#
      • 1...Qh6
        • 2.Qa1#
      • 1...Qh7
        • 2.Qa1#
      • 1...Re4!
    • 1.Qf8?
      • threat
        • 2.Qg7#
        • 2.Qf6#
      • 1...Qh7
        • 2.Qf6#
      • 1...Qh8
        • 2.Qxh8#
      • 1...Sd5
        • 2.Sxc6#
        • 2.Sg6#
      • 1...Qh6!
    • 1.Qg8?
      • threat
        • 2.Qe6#
        • 2.Qg7#
      • 1...Qe4
        • 2.Qg7#
        • 2.Qh8#
      • 1...Re4
        • 2.Qg7#
      • 1...Qd5
        • 2.Qg7#
        • 2.Qh8#
      • 1...Qh7
        • 2.Qe6#
      • 1...Qh8
        • 2.Qe6#
        • 2.Qxh8#
      • 1...Sd5
        • 2.Qe6#
      • 1...Qh6!
  • Keys
    • 1.Bh7!
      • threat
        • 2.Qh8#
      • 1...Qxh7
        • 2.Qa1#
      • 1...Qf3
        • 2.Qa1#
      • 1...Qh6
        • 2.Qa1#
      • 1...Rf3
        • 2.Re4#
      • 1...Sd5
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 14
  • Sets
    • Q(a);N_GUARD::QAB(G)
    • Q(a);N_GUARD,P_PINP(D)::QAB(G)
    • Q(a);N_GUARD,P_PINS(F)::QAB(G)
    • R(d);N_GUARD,S_CUTQ(a)::R1(A)
    • B(b);S_CUTQ(a)::QAB(G)
  • Tries
    • Try
      • B(B);
      • Threat
        • S(F)
      • Vars
        • Q(a);N_GUARD::QAB(G)
        • Q(a);N_GUARD,P_PINS(F)::QAB(G)
      • Refutation
        • R(d);
    • Try
      • Q(G);
      • Threat
        • DUALS(2)
      • Vars
        • Q(a);P_PINS(F)::QAB1(G)
        • Q(a);N_GUARD::QAB(G),XQ(a)
      • Refutation
        • Q(a);
    • Try
      • Q(G);
      • Threat
        • DUALS(2)
      • Vars
        • R(d);::QAB(G)
        • Q(a);P_PINS(F)::QAR1(G)
        • S(e);::QAR1(G)
      • Refutation
        • Q(a);
  • Actual
    • B(B);
    • Threat
      • QAB(G)
    • Vars
      • Q(a);N_GUARD,P_PINS(F),XB(B)::QAB(G)
      • Q(a);N_GUARD::QAB(G)
      • R(d);N_GUARD,S_CUTQ(a)::R1(A)
      • S(e);N_GUARD,SBLOCK,S_CUTQ(a)::S(F),XP(g)
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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).