MESON Chess Problem Database

Problem Display
PID: 86966 (4R3/4n3/8/Q1RPk1NK/P5P1/3P4/3P4/8 w - - 0 1)

Milenkovic, Stanko

Vecherni Novosti, 1957

4R3/4n3/8/Q1RPk1NK/P5P1/3P4/3P4/8

#2

10 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qc3#
    • 1...Kf4
      • 2.Qc7#
    • 1...Kd6
      • 2.Qc7#
    • 1...Kf6
      • 2.Qc3#
  • Tries
    • 1.Kh4?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qc7#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf6!
    • 1.Kh6?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf6
        • 2.Qc3#
      • 1...Kf4!
    • 1.Sh3?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf6!
    • 1.Se4?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4!
    • 1.Sh7?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf4!
    • 1.Rc4?
      • 1...Kf6
        • 2.Qc3#
      • 1...Kd6!
    • 1.Rb5?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qc7#
      • 1...Kf6
        • 2.Qc3#
      • 1...Kd6!
    • 1.Rc6?
      • 1...Kf4
        • 2.Qc7#
      • 1...Kd4!
    • 1.Rxe7+?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qc7#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf6!
    • 1.Qc3+?
      • 1...Kd6
        • 2.Rd8#
      • 1...Kf4!
    • 1.Qb4?
      • 1...Kf6
        • 2.Qc3#
        • 2.Qb2#
        • 2.Qd4#
      • 1...Kd6!
    • 1.Qb6?
      • 1...Kf4
        • 2.Qc7#
        • 2.Qd6#
        • 2.Qb8#
      • 1...Kd4!
    • 1.Qc7+?
      • 1...Kf6
        • 2.Qxe7#
      • 1...Kd4!
    • 1.Qd8?
      • 1...Kf4
        • 2.Qc7#
        • 2.Qd6#
        • 2.Qb8#
      • 1...Kf6
        • 2.Qxe7#
      • 1...Kd4!
    • 1.Qa6?
      • 1...Kf4
        • 2.Qd6#
      • 1...Kd4!
    • 1.Qa7?
      • 1...Kf4
        • 2.Qb8#
        • 2.Qc7#
      • 1...Kd6
        • 2.Sf7#
        • 2.Qc7#
        • 2.Qxe7#
      • 1...Kf6
        • 2.Qxe7#
      • 1...Kd4!
    • 1.d4+?
      • 1...Kxd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qc7#
      • 1...Kd6
        • 2.Rd8#
        • 2.Qc7#
        • 2.Qd8#
      • 1...Kf6!
    • 1.d6+?
      • 1...Kd4
        • 2.Qc3#
      • 1...Kxd6
        • 2.Rd8#
        • 2.Qc7#
      • 1...Kf6
        • 2.Qc3#
      • 1...Kf4!
  • Keys
    • 1.Qb5!
      • 1...Kd4
        • 2.Sf3#
      • 1...Kf4
        • 2.Qb8#
      • 1...Kd6
        • 2.Sf7#
      • 1...Kf6
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 4
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);N_SPINS(b),S_FLIGHT::QAB1(E)
    • K(a);N_SPINS(b),S_FLIGHT::QAB(E)
  • Tries
    • Try
      • K(I);P-FLIGHT
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT::QAB1(E)
        • K(a);N_SPINS(b),S_FLIGHT::QAB(E)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • K(I);P-FLIGHT
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT::QAB1(E)
        • K(a);N_SPINS(b),S_FLIGHT::QAB(E)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • S(H);
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • S(H);
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • S(H);
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT::QAB(E)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT::QAB1(E)
        • K(a);N_SPINS(b),S_FLIGHT::QAB(E)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • R(F);
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT::QAB(E)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • R(J);CHECK,XS(b)
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
        • K(a);S_FLIGHT::QAB(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT::R(J)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • Q(E);
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • Q(E);
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT::QAB1(E),XS(b)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAB1(E),XS(b)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT::QAB(E)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT::QAB1(E),XS(b)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • P(B);CHECK
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT,XP(B)::QAB1(E)
        • K(a);N_SPINS(b),S_FLIGHT::QAB(E)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • P(G);CHECK
      • Vars
        • K(a);N_SPINS(b),S_FLIGHT::QAB1(E)
        • K(a);N_SPINS(b),S_FLIGHT::QAB(E)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(a);N_SPINS(b),S_FLIGHT::S(H)
      • K(a);N_SPINS(b),S_FLIGHT::QAB(E)
HTML5 logo

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).