MESON Chess Problem Database

Problem Display
PID: 66377 (B7/1P3P2/p1Pn4/P2k1PP1/Q7/3K4/8/8 w - - 0 1)

Mladenovic, Miodrag

East German Chess Federation, 1980

B7/1P3P2/p1Pn4/P2k1PP1/Q7/3K4/8/8

#2

9 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.b8B?
      • threat
        • 2.Qd4#
      • 1...Ke5
        • 2.Qe4#
      • 1...Sxf5
        • 2.Qc4#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Sb5
        • 2.Qc4#
      • 1...Sb7
        • 2.Qc4#
      • 1...Kc5!
    • 1.f8Q?
      • 1...Kc5
        • 2.Qc4#
      • 1...Ke5
        • 2.Qd4#
      • 1...Sxf5
        • 2.Qe4#
      • 1...Sxb7
        • 2.Qe4#
      • 1...Se4
        • 2.Qxe4#
      • 1...Sb5
        • 2.Qe4#
      • 1...Sf7
        • 2.Qe4#
      • 1...Sc8
        • 2.Qe4#
      • 1...Se8
        • 2.Qe4#
      • 1...Sc4!
  • Keys
    • 1.b8Q!
      • threat
        • 2.Qd4#
      • 1...Kc5
        • 2.Qd4#
      • 1...Ke5
        • 2.Qe4#
      • 1...Sxf5
        • 2.Qc4#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Sb5
        • 2.Qc4#
      • 1...Sb7
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(G);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);P-FLIGHT,P_SPINS(c)::QAR1(B)
        • S(c);N_GUARD,XP(D)::QAB1(B)
        • S(c);N_GUARD::QAB1(B),XS(c)
        • S(c);N_GUARD::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(H);
      • Vars
        • K(a);P-FLIGHT,P_SPINS(c)::QAR1(B)
        • K(a);P-FLIGHT::QAB1(B)
        • S(c);N_GUARD,XP(D)::QAB1(B)
        • S(c);N_GUARD,XP(G)::QAB1(B)
        • S(c);N_GUARD::QAB1(B),XS(c)
        • S(c);N_GUARD::QAB1(B)
      • Refutation
        • S(c);
  • Actual
    • P(G);
    • Threat
      • QAR1(B)
    • Vars
      • K(a);P-FLIGHT::QAB1(B)
      • K(a);P-FLIGHT,P_SPINS(c)::QAR1(B)
      • S(c);N_GUARD,XP(D)::QAB1(B)
      • S(c);N_GUARD::QAB1(B),XS(c)
      • S(c);N_GUARD::QAB1(B)
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