MESON Chess Problem Database

Problem Display
PID: 11845 (8/8/2K5/8/4k1BB/3p4/7Q/1N6 w - - 0 1)

Metlitski, Vladislav Aleksandrovich

3rd Prize, Radianske slovo, 1972-1973

8/8/2K5/8/4k1BB/3p4/7Q/1N6

#2

5 + 2

3296 Shakhmatny zadachi miniaturi 1987

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qe5#
    • 1...Kd4
      • 2.Qf4#
  • Tries
    • 1.Kc5?
      • 1...Ke3
        • 2.Qe5#
      • 1...d2!
    • 1.Kd6?
      • threat
        • 2.Qe5#
      • 1...Ke3
        • 2.Qe5#
      • 1...Kd4
        • 2.Qf4#
      • 1...d2!
    • 1.Sd2+?
      • 1...Ke3
        • 2.Qf2#
      • 1...Kd4!
    • 1.Sc3+?
      • 1...Ke3
        • 2.Qf2#
      • 1...Kd4!
    • 1.Bf5+?
      • 1...Ke3
        • 2.Qf2#
      • 1...Kf3
        • 2.Qf2#
      • 1...Kd4
        • 2.Qf4#
      • 1...Kxf5!
    • 1.Be1?
      • 1...Ke3
        • 2.Qe5#
      • 1...Kd4
        • 2.Qf4#
      • 1...d2!
    • 1.Bg5?
      • threat
        • 2.Qf4#
      • 1...Kd4
        • 2.Qf4#
      • 1...d2!
    • 1.Qg1?
      • 1...Kf4
        • 2.Qd4#
      • 1...Ke5
        • 2.Qe3#
      • 1...d2!
    • 1.Qg3?
      • 1...Kd4
        • 2.Qf4#
      • 1...d2!
    • 1.Qd6?
      • 1...Ke3
        • 2.Qe5#
      • 1...d2!
    • 1.Qc7?
      • 1...Ke3
        • 2.Qe5#
      • 1...Kd4
        • 2.Qf4#
      • 1...d2!
    • 1.Qb8?
      • 1...Ke3
        • 2.Qe5#
      • 1...Kd4
        • 2.Qf4#
      • 1...d2!
    • 1.Qb2?
      • 1...Ke3
        • 2.Qe5#
      • 1...Kf4
        • 2.Qd4#
      • 1...d2!
    • 1.Qf2?
      • 1...Ke5
        • 2.Qe3#
      • 1...d2!
  • Keys
    • 1.Qd2!
      • 1...Kd4
        • 2.Qf4#
      • 1...Ke5
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(b);P-FLIGHT::QAR2(B)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR2(B)
      • Refutation
        • P(a);
    • Try
      • K(E);P-FLIGHT
      • Threat
        • QAR1(B)
      • Vars
        • K(b);P-FLIGHT::QAR2(B)
      • Refutation
        • P(a);
    • Try
      • S(A);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • S(A);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • B(C);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(B)
        • K(b);S_FLIGHT::QAR1(B)
        • K(b);P-FLIGHT::QAR2(B)
      • Refutation
        • K(b);S_FLIGHT,XB(C)
    • Try
      • B(D);
      • Vars
        • K(b);P-FLIGHT::QAR2(B)
      • Refutation
        • P(a);
    • Try
      • B(D);
      • Threat
        • QAR1(B)
      • Vars
        • K(b);P-FLIGHT::QAR2(B)
      • Refutation
        • P(a);
    • Try
      • Q(B);
      • Vars
        • K(b);P-FLIGHT::QAR2(B)
      • Refutation
        • P(a);
    • Try
      • Q(B);
      • Vars
        • K(b);P-FLIGHT::QAR2(B)
      • Refutation
        • P(a);
    • Try
      • Q(B);
      • Vars
        • K(b);P-FLIGHT::QAR2(B)
      • Refutation
        • P(a);
    • Try
      • Q(B);
      • Vars
        • K(b);P-FLIGHT::QAR2(B)
      • Refutation
        • P(a);
    • Try
      • Q(B);
      • Vars
        • K(b);P-FLIGHT::QAR2(B)
      • Refutation
        • P(a);
    • Try
      • Q(B);
      • Vars
        • K(b);P-FLIGHT::QAR2(B)
      • Refutation
        • P(a);
    • Try
      • Q(B);
      • Vars
        • K(b);P-FLIGHT::QAR2(B)
      • Refutation
        • P(a);
  • Actual
    • Q(B);
    • Vars
      • K(b);P-FLIGHT,P_SPINP(a)::QAR2(B)
      • K(b);P-FLIGHT::QAR2(B)
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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).