MESON Chess Problem Database

Problem Display
PID: 81041 (2Q5/8/8/3p4/1p1K4/8/2Pk4/7R w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Azerbaijan CCC, 1993

2Q5/8/8/3p4/1p1K4/8/2Pk4/7R

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Re1?
      • 1...b3
        • 2.Qc3#
      • 1...Kxe1!
    • 1.Qh3?
      • threat
        • 2.Qg2#
        • 2.Qh2#
        • 2.Qd3#
      • 1...Ke2
        • 2.Qg2#
        • 2.Qe3#
      • 1...Kxc2!
    • 1.Qc3+?
      • 1...Ke2
        • 2.Qe3#
      • 1...bxc3!
    • 1.Qg8?
      • threat
        • 2.Qg2#
      • 1...Ke2
        • 2.Qg2#
      • 1...Kxc2!
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qd3#
      • 1...Kxc2
        • 2.Qa2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);
      • Vars
        • P(b);N_GUARD::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT,XR(A)
    • Try
      • Q(D);
      • Threat
        • DUALS(3)
      • Refutation
        • K(a);P-FLIGHT,XP(B)
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(D)
      • Refutation
        • P(b);XQ(D)
    • Try
      • Q(D);
      • Threat
        • QAR(D)
      • Vars
        • K(a);P-FLIGHT::QAR2(D)
      • Refutation
        • K(a);P-FLIGHT,XP(B)
  • Actual
    • Q(D);
    • Threat
      • QAR1(D)
    • Vars
      • K(a);OGATEB,P-FLIGHT,XP(B)::QAR2(D)
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