MESON Chess Problem Database

Problem Display
PID: 153248 (8/2Q2N2/4K3/7k/6p1/7P/8/8 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Kudesnik, 2008

8/2Q2N2/4K3/7k/6p1/7P/8/8

#2

4 + 2

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Qg3?
      • threat
        • 2.Qxg4#
      • 1...gxh3
        • 2.Qg5#
      • 1...Kg6!
    • 1.Qc1?
      • threat
        • 2.Qg5#
        • 2.Qh6#
      • 1...Kg6
        • 2.Qh6#
      • 1...gxh3
        • 2.Qg5#
      • 1...Kh4!
  • Keys
    • 1.Qf4!
      • threat
        • 2.Qg5#
        • 2.Qh6#
        • 2.Qxg4#
      • 1...Kh4
        • 2.Qxg4#
      • 1...Kg6
        • 2.Qh6#
      • 1...gxh3
        • 2.Qg5#
      • 1...g3
        • 2.Qg5#
        • 2.Qh6#
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAB1(C),XP(a)
      • Vars
        • P(a);OGATE,XP(A)::QAR1(C)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);S_FLIGHT::QAR1(C)
        • P(a);XP(A)::QAR1(C)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(C);
    • Threat
      • DUALS(3)
    • Vars
      • K(b);P-FLIGHT,P_SPINP(a)::QAR1(C),XP(a)
      • K(b);S_FLIGHT::QAR1(C)
      • P(a);XP(A)::QAR1(C)
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