MESON Chess Problem Database

Problem Display
PID: 242390 (4K3/3QR3/8/4b3/4k3/4r3/4B3/4N3 w - - 0 1)

Segers, Marcel

Brisbane Courier, 1931

4K3/3QR3/8/4b3/4k3/4r3/4B3/4N3

#2

5 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qg4#
  • Tries
    • 1.Bf3+?
      • 1...Kf4
        • 2.Qg4#
      • 1...Rxf3!
  • Keys
    • 1.Qe6!
      • threat
        • 2.Qxe5#
      • 1...Kd4
        • 2.Qc4#
      • 1...Kf4
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINB(c),P-FLIGHT::QAR1(C)
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • K(b);N_SPINB(c),P-FLIGHT::QAR1(C)
      • Refutation
        • R(a);XB(B)
  • Actual
    • Q(C);
    • Threat
      • QAR1(C),XB(c)
    • Vars
      • K(b);N_SPINB(c),P-FLIGHT::QAR1(C)
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