MESON Chess Problem Database

Problem Display
PID: 242757 (R2K4/3ppp2/5p1k/p4Q1N/8/4R3/8/q1B5 w - - 0 1)

Bakcsi, Gyorgy

Thema Danicum, 1977

R2K4/3ppp2/5p1k/p4Q1N/8/4R3/8/q1B5

#2

6 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qc3
      • 2.Rxc3#
    • 1...Qe5
      • 2.Rxe5#
    • 1...Qa3
      • 2.Rxa3#
    • 1...Qa4
      • 2.Re4#
  • Tries
    • 1.Kc7?
      • threat
        • 2.Rh8#
      • 1...Qc3+
        • 2.Rxc3#
      • 1...Qe5+
        • 2.Rxe5#
      • 1...Qxc1+!
  • Keys
    • 1.Kxe7!
      • threat
        • 2.Rh8#
      • 1...Qe5+
        • 2.Rxe5#
      • 1...Qa3+
        • 2.Rxa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • Q(a);N_GUARD::B(A)+R(B),XQ(a)
    • Q(a);N_GUARD::B(A)+R(B)
  • Tries
    • Try
      • K(F);S_FLIGHT
      • Threat
        • R(E)
      • Vars
        • Q(a);CHECK,N_GUARD::B(A)+R(B),XQ(a)
      • Refutation
        • Q(a);CHECK,XB(A)
  • Actual
    • K(F);S_FLIGHT,XP(f)
    • Threat
      • R(E)
    • Vars
      • Q(a);CHECK,N_GUARD::B(A)+R(B),XQ(a)
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