MESON Chess Problem Database

Problem Display
PID: 180893 (8/3p3p/N2P3P/p4p2/Kp1k1P2/pP1P2P1/R3P3/7Q w - - 0 1)

Saletic, Slobodan

Sachmatija, 2018

8/3p3p/N2P3P/p4p2/Kp1k1P2/pP1P2P1/R3P3/7Q

#2

11 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Qa1#
    • 1...Ke3
      • 2.Qg1#
  • Tries
    • 1.Kxa5?
      • 1...Ke3
        • 2.Qg1#
      • 1...Kc3!
    • 1.Sc5?
      • 1...Kc3
        • 2.Qa1#
      • 1...Ke3
        • 2.Qg1#
      • 1...Kxc5!
    • 1.Sc7?
      • 1...Kc3
        • 2.Sb5#
        • 2.Qa1#
      • 1...Ke3
        • 2.Qg1#
      • 1...Kc5!
    • 1.Sb8?
      • 1...Kc3
        • 2.Qa1#
      • 1...Ke3
        • 2.Qg1#
      • 1...Kc5!
    • 1.Rc2?
      • 1...Ke3
        • 2.Qg1#
      • 1...a2!
    • 1.Qg2?
      • 1...Ke3
        • 2.Qg1#
      • 1...Kc3!
    • 1.Qe4+?
      • 1...Kc3
        • 2.Qc4#
        • 2.Qe5#
      • 1...fxe4!
    • 1.Qd5+?
      • 1...Kc3
        • 2.Qc4#
        • 2.Qc5#
        • 2.Qe5#
      • 1...Ke3
        • 2.Qc5#
      • 1...Kxd5!
    • 1.Qc6?
      • threat
        • 2.Qc5#
      • 1...Ke3
        • 2.Qc5#
        • 2.Qb6#
      • 1...dxc6!
    • 1.Qb7?
      • 1...Ke3
        • 2.Qb6#
        • 2.Qa7#
      • 1...Kc3!
    • 1.Qa1+?
      • 1...Ke3
        • 2.Qg1#
      • 1...Kd5!
    • 1.Qb1?
      • 1...Kc3
        • 2.Qa1#
      • 1...Ke3
        • 2.Qg1#
      • 1...Kd5!
    • 1.Qd1?
      • 1...Kc3
        • 2.Qa1#
      • 1...Ke3
        • 2.Qg1#
      • 1...Kd5!
    • 1.Qe1?
      • 1...Ke3
        • 2.Qg1#
      • 1...Kd5!
    • 1.Qf1?
      • 1...Kc3
        • 2.Qa1#
      • 1...Ke3
        • 2.Qg1#
      • 1...Kd5!
    • 1.Qg1+?
      • 1...Kc3
        • 2.Qc5#
        • 2.Qa1#
      • 1...Kd5!
  • Keys
    • 1.Qa8!
      • 1...Kc3
        • 2.Qh8#
      • 1...Ke3
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::QAB(A)
  • Tries
    • Try
      • K(G);P-FLIGHT,XP(d)
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • S(I);
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);S_FLIGHT,XS(I)
    • Try
      • S(I);
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • S(I);
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • P(a);
    • Try
      • Q(A);
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • P(e);XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);P-FLIGHT,XQ(A)
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Refutation
        • P(f);XQ(A)
    • Try
      • Q(A);
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(c);S_FLIGHT::QAB(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(c);S_FLIGHT::QAB(A)
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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).