MESON Chess Problem Database

Problem Display
PID: 158173 (R6N/4pr2/4k2r/5pQR/1K6/8/p6B/3B4 w - - 0 1)

Conquest, Stuart

British Chess Magazine, 2016

R6N/4pr2/4k2r/5pQR/1K6/8/p6B/3B4

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rg7
      • 2.Qxf5#
    • 1...Rh7
      • 2.Qxf5#
  • Tries
    • 1.Qe3+?
      • 1...Kd5
        • 2.Bf3#
      • 1...Kf6
        • 2.Qxh6#
        • 2.Qe5#
      • 1...Kd7!
    • 1.Qg2?
      • threat
        • 2.Qc6#
      • 1...Kf6
        • 2.Rxh6#
      • 1...Kd7!
  • Keys
    • 1.Qc1!
      • threat
        • 2.Qc6#
      • 1...Kd5
        • 2.Qc4#
      • 1...Kf6
        • 2.Qxh6#
      • 1...Kd7
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(f);N_GUARD::QAB1(D),XP(b)
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(c);P_SPINP(b),S_FLIGHT::B(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(D);
      • Threat
        • QAR2(D)
      • Vars
        • K(c);P-FLIGHT::R(E),XR(d)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(D);
    • Threat
      • QAR2(D)
    • Vars
      • K(c);P_SPINP(b),S_FLIGHT::QAB1(D)
      • K(c);P-FLIGHT::QAR2(D),XR(d)
      • K(c);S_FLIGHT::QAB1(D)
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