MESON Chess Problem Database

Problem Display
PID: 80029 (8/6Q1/2p5/NP6/k7/2B5/K7/8 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Shakhmaty (Baku), 1985

8/6Q1/2p5/NP6/k7/2B5/K7/8

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Qg2?
      • 1...Kxb5
        • 2.Qxc6#
      • 1...cxb5
        • 2.Qc2#
      • 1...c5!
    • 1.Qg6?
      • 1...Kxb5
        • 2.Qxc6#
      • 1...cxb5
        • 2.Qc2#
      • 1...c5!
    • 1.Qf7?
      • threat
        • 2.Qb3#
        • 2.Qc4#
      • 1...cxb5
        • 2.Qb3#
      • 1...Kxb5!
    • 1.Qg8?
      • threat
        • 2.Qb3#
        • 2.Qc4#
      • 1...cxb5
        • 2.Qb3#
      • 1...Kxb5!
    • 1.b6?
      • 1...c5
        • 2.Qd7#
      • 1...Kb5!
  • Keys
    • 1.Qd7!
      • 1...Kxb5
        • 2.Qxc6#
      • 1...cxb5
        • 2.Qd1#
      • 1...c5
        • 2.b6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XP(D)::QAB1(E),XP(b)
        • P(b);SBLOCK,XP(D)::QAB(E)
      • Refutation
        • P(b);
    • Try
      • Q(E);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XP(D)::QAB1(E),XP(b)
        • P(b);SBLOCK,XP(D)::QAB(E)
      • Refutation
        • P(b);
    • Try
      • Q(E);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);XP(D)::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT,XP(D)
    • Try
      • Q(E);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);XP(D)::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT,XP(D)
    • Try
      • P(D);
      • Vars
        • P(b);OGATEB::QAB(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(a);OGATEB,P_SPINP(b),S_FLIGHT,XP(D)::QAB1(E),XP(b)
      • P(b);P_SPINP(b),SBLOCK,XP(D)::QAB(E)
      • P(b);::QAB(E)+P(D)
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