MESON Chess Problem Database

Problem Display
PID: 51555 (3K4/p7/1pp1Pp2/3k4/R1N5/3BQ3/8/2R4b w - - 0 1)

Amirov, Talip Khasanovich

The Guardian, 1964

3K4/p7/1pp1Pp2/3k4/R1N5/3BQ3/8/2R4b

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...f5
      • 2.Qe5#
  • Tries
    • 1.Sxb6+?
      • 1...axb6
        • 2.Rd4#
      • 1...Kd6!
    • 1.Qd4+?
      • 1...Kxe6
        • 2.Qd7#
      • 1...Kxd4!
    • 1.Qf4?
      • threat
        • 2.Qd6#
      • 1...Kc5
        • 2.Se3#
      • 1...Kxe6!
  • Keys
    • 1.Qg3!
      • threat
        • 2.Qd6#
      • 1...Kd4
        • 2.Sxb6#
      • 1...Kc5
        • 2.Se3#
      • 1...Kxe6
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(e);N_GUARD::QAR1(C)
  • Tries
    • Try
      • S(E);CHECK,XP(c)
      • Vars
        • P(f);XS(E)::R1(D)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT,XP(F)::QAB1(C)
      • Refutation
        • K(b);P-FLIGHT,XQ(C)
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • K(b);P-FLIGHT::R(A)+S(E)
      • Refutation
        • K(b);S_FLIGHT,XP(F)
  • Actual
    • Q(C);
    • Threat
      • QAR1(C)
    • Vars
      • K(b);P-FLIGHT::R(D)+S(E),XP(c)
      • K(b);P-FLIGHT::R(A)+S(E)
      • K(b);OGATEB,S_FLIGHT,XP(F)::QAB(C)
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