MESON Chess Problem Database

Problem Display
PID: 15614 (B7/3Q4/7p/p2P2pR/p1NkN3/K2p2P1/3R2P1/8 w - - 0 1)

Mlynka, Karol

1st Prize, Martin, 1986-1987

B7/3Q4/7p/p2P2pR/p1NkN3/K2p2P1/3R2P1/8

#2

10 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc4
      • 2.Qxa4#
    • 1...Kxe4
      • 2.Qg4#
  • Tries
    • 1.Sed6?
      • 1...Kc3
        • 2.Qg7#
      • 1...Kc5
        • 2.Qa7#
      • 1...g4!
    • 1.Bb7?
      • 1...Kxc4
        • 2.Qxa4#
      • 1...Kxe4
        • 2.Qg4#
      • 1...g4!
    • 1.Rxh6?
      • 1...Kxc4
        • 2.Qxa4#
      • 1...Kxe4
        • 2.Qg4#
      • 1...g4!
    • 1.Qc8?
      • 1...Kxe4
        • 2.Qg4#
      • 1...g4!
    • 1.Qe8?
      • 1...Kxc4
        • 2.Qxa4#
      • 1...g4!
    • 1.Qd6?
      • 1...Kxc4
        • 2.Qc5#
      • 1...Kxe4
        • 2.Qe5#
      • 1...g4!
    • 1.Qa7+?
      • 1...Kxc4
        • 2.Qc5#
      • 1...Kxe4!
    • 1.Qc7?
      • 1...Kxe4
        • 2.Qe5#
      • 1...g4!
    • 1.Qe7?
      • 1...Kxc4
        • 2.Qc5#
      • 1...g4!
    • 1.Qg7+?
      • 1...Kxe4
        • 2.Qe5#
      • 1...Kxc4!
    • 1.g4?
      • 1...Kxc4
        • 2.Qxa4#
      • 1...Kxe4!
    • 1.d6?
      • 1...Kxc4
        • 2.Qxa4#
      • 1...g4!
  • Keys
    • 1.Scd6!
      • 1...Ke3
        • 2.Qa7#
      • 1...Ke5
        • 2.Qg7#
      • 1...g4
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • K(c);N_SPINP(a),OGATEB,P-FLIGHT,XS(E)::QAR2(I),XP(b)
    • K(c);N_SPINP(a),OGATEB,P-FLIGHT,XS(F)::QAR2(I)
  • Tries
    • Try
      • S(F);
      • Vars
        • K(c);N_SPINP(a),S_FLIGHT::QAB(I)
      • Refutation
        • P(e);
    • Try
      • B(J);
      • Vars
        • K(c);N_SPINP(a),OGATEB,P-FLIGHT,XS(E)::QAR2(I),XP(b)
        • K(c);N_SPINP(a),OGATEB,P-FLIGHT,XS(F)::QAR2(I)
      • Refutation
        • P(e);
    • Try
      • R(H);XP(f)
      • Vars
        • K(c);N_SPINP(a),OGATEB,P-FLIGHT,XS(E)::QAR2(I),XP(b)
        • K(c);N_SPINP(a),OGATEB,P-FLIGHT,XS(F)::QAR2(I)
      • Refutation
        • P(e);
    • Try
      • Q(I);
      • Vars
        • K(c);N_SPINP(a),OGATEB,P-FLIGHT,XS(F)::QAR2(I)
      • Refutation
        • P(e);
    • Try
      • Q(I);
      • Vars
        • K(c);N_SPINP(a),OGATEB,P-FLIGHT,XS(E)::QAR2(I),XP(b)
      • Refutation
        • P(e);
    • Try
      • Q(I);
      • Vars
        • K(c);N_SPINP(a),P-FLIGHT,XS(E)::QAR1(I)
        • K(c);N_SPINP(a),P-FLIGHT,XS(F)::QAR1(I)
      • Refutation
        • P(e);
    • Try
      • Q(I);CHECK
      • Vars
        • K(c);N_SPINP(a),P-FLIGHT,XS(E)::QAR1(I)
      • Refutation
        • K(c);N_SPINP(a),P-FLIGHT,XS(F)
    • Try
      • Q(I);
      • Vars
        • K(c);N_SPINP(a),P-FLIGHT,XS(F)::QAR1(I)
      • Refutation
        • P(e);
    • Try
      • Q(I);
      • Vars
        • K(c);N_SPINP(a),P-FLIGHT,XS(E)::QAR1(I)
      • Refutation
        • P(e);
    • Try
      • Q(I);CHECK
      • Vars
        • K(c);N_SPINP(a),P-FLIGHT,XS(F)::QAR1(I)
      • Refutation
        • K(c);N_SPINP(a),P-FLIGHT,XS(E)
    • Try
      • P(D);
      • Vars
        • K(c);N_SPINP(a),OGATEB,P-FLIGHT,XS(E)::QAR2(I),XP(b)
      • Refutation
        • K(c);N_SPINP(a),P-FLIGHT,XS(F)
    • Try
      • P(G);
      • Vars
        • K(c);N_SPINP(a),OGATEB,P-FLIGHT,XS(E)::QAR2(I),XP(b)
      • Refutation
        • P(e);
  • Actual
    • S(E);
    • Vars
      • K(c);N_SPINP(a),S_FLIGHT::QAB(I)
      • K(c);N_SPINP(a),P_SPINP(e),S_FLIGHT::QAB(I)
      • P(e);::QAB(I)
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