MESON Chess Problem Database

Problem Display
PID: 145022 (8/3p4/1P1P4/3kP3/1RN5/K2PB3/Q1R3r1/7B w - - 0 1)

Velimirovic, Milan

Problem (Zagreb), 1979

8/3p4/1P1P4/3kP3/1RN5/K2PB3/Q1R3r1/7B

#2

11 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Sa5#
      • 2.Bxg2#
  • Tries
    • 1.Kb2?
      • 1...Kc6
        • 2.Sa5#
        • 2.Bxg2#
        • 2.Qa8#
      • 1...Ke6!
    • 1.Kb3?
      • 1...Kc6
        • 2.Bxg2#
        • 2.Qa8#
      • 1...Ke6!
    • 1.Ka4?
      • 1...Kc6
        • 2.Sa5#
        • 2.Bxg2#
      • 1...Ke6!
    • 1.Bg1?
      • 1...Kc6
        • 2.Sa5#
        • 2.Bxg2#
      • 1...Ke6!
    • 1.Bf2?
      • 1...Kc6
        • 2.Sa5#
        • 2.Bxg2#
      • 1...Ke6!
    • 1.Bd4?
      • threat
        • 2.Sb2#
        • 2.Sd2#
        • 2.Se3#
        • 2.Sa5#
      • 1...Kc6
        • 2.Sa5#
        • 2.Bxg2#
      • 1...Ke6
        • 2.Se3#
      • 1...Kxd4!
    • 1.Bc5?
      • 1...Kxc5
        • 2.Sd2#
      • 1...Kc6
        • 2.Sa5#
      • 1...Ke6!
    • 1.Rc1?
      • 1...Kc6
        • 2.Sa5#
        • 2.Bxg2#
        • 2.Qxg2#
      • 1...Ke6!
    • 1.Rcb2?
      • 1...Kc6
        • 2.Sa5#
        • 2.Bxg2#
      • 1...Ke6!
    • 1.Rd2?
      • 1...Kc6
        • 2.Sa5#
        • 2.Bxg2#
      • 1...Ke6!
    • 1.Re2?
      • 1...Kc6
        • 2.Sa5#
        • 2.Bxg2#
      • 1...Ke6!
    • 1.Rf2?
      • 1...Kc6
        • 2.Sa5#
        • 2.Bxg2#
      • 1...Ke6!
    • 1.Rxg2?
      • threat
        • 2.Rg6#
      • 1...Kc6
        • 2.Sa5#
        • 2.Rg1#
        • 2.Rgb2#
        • 2.Rc2#
        • 2.Rd2#
        • 2.Re2#
        • 2.Rf2#
        • 2.Rh2#
        • 2.Rg3#
        • 2.Rg4#
        • 2.Rg5#
        • 2.Rg6#
        • 2.Rg7#
        • 2.Rg8#
      • 1...Ke6!
    • 1.Rc3?
      • 1...Kc6
        • 2.Sa5#
        • 2.Bxg2#
        • 2.Qxg2#
      • 1...Ke6!
    • 1.Rb1?
      • 1...Kc6
        • 2.Sa5#
        • 2.Bxg2#
      • 1...Ke6!
    • 1.Rbb2?
      • 1...Kc6
        • 2.Sa5#
        • 2.Bxg2#
      • 1...Ke6!
    • 1.Rb3?
      • 1...Kc6
        • 2.Bxg2#
      • 1...Ke6!
    • 1.Qb1?
      • 1...Kc6
        • 2.Bxg2#
      • 1...Ke6!
    • 1.Qb3?
      • 1...Kc6
        • 2.Sa5#
        • 2.Bxg2#
      • 1...Ke6!
    • 1.Qa1?
      • 1...Kc6
        • 2.Bxg2#
      • 1...Ke6!
    • 1.Qb2?
      • 1...Kc6
        • 2.Bxg2#
      • 1...Ke6!
    • 1.e6?
      • 1...Kc6
        • 2.Bxg2#
      • 1...dxe6
        • 2.Bxg2#
      • 1...Kxe6!
    • 1.b7?
      • 1...Kc6
        • 2.Sb2#
        • 2.Sd2#
        • 2.Sa5#
        • 2.Bxg2#
      • 1...Ke6!
  • Keys
    • 1.Bf4!
      • threat
        • 2.Sb2#
        • 2.Sd2#
        • 2.Se3#
        • 2.Sa5#
      • 1...Kd4
        • 2.Sb2#
      • 1...Kc5
        • 2.Sd2#
      • 1...Kc6
        • 2.Sa5#
      • 1...Ke6
        • 2.Se3#

This is a version of 104644

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);P_SPINR(C),S_FLIGHT
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • K(D);P-FLIGHT
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • K(D);P-FLIGHT
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • B(F);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • B(F);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • B(F);
      • Threat
        • DUALS(4)
      • Vars
        • K(b);N_SPINR(a),S_FLIGHT::QAB(B)+S(H)
      • Refutation
        • K(b);N_SPINR(a),P-FLIGHT,XB(F)
    • Try
      • B(F);
      • Vars
        • K(b);N_SPINR(a),P-FLIGHT,XB(F)::R(C)+S(H)
        • K(b);S_FLIGHT::S(H)
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • R(C);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • R(C);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • R(C);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • R(C);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • R(C);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • R(C);XR(a)
      • Threat
        • B(A)+R(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(C);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • R(G);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • R(G);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • R(G);
      • Vars
        • K(b);S_FLIGHT::B(A),XR(a)
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(b);S_FLIGHT::B(A),XR(a)
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • Q(B);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(b);S_FLIGHT::B(A),XR(a)
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(b);S_FLIGHT::B(A),XR(a)
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
    • Try
      • P(I);
      • Vars
        • K(b);S_FLIGHT::B(A),XR(a)
        • P(c);SBLOCK,XP(I)::B(A),XR(a)
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT,XP(I)
    • Try
      • P(J);
      • Refutation
        • K(b);N_SPINR(a),S_FLIGHT
  • Actual
    • B(F);
    • Threat
      • DUALS(4)
    • Vars
      • K(b);N_SPINR(a),P-FLIGHT::R(G)+S(H)
      • K(b);N_SPINR(a),P-FLIGHT::R(C)+S(H)
      • K(b);S_FLIGHT::R(C)+S(H),DCHECK
      • K(b);N_SPINR(a),S_FLIGHT::QAB(B)+S(H)
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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).