MESON Chess Problem Database

Problem Display
PID: 129824 (7Q/8/8/8/2R5/6p1/1q6/k3K2R w K - 0 1)

Froberg, Johan Hilding Laurentius

FIDE Review, 1955

7Q/8/8/8/2R5/6p1/1q6/k3K2R

#2

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Rc2!
      • threat
        • 2.Qxb2#
      • 1...Qc3+
        • 2.Ke2#
      • 1...Qe5+
        • 2.Kd2#
      • 1...Kb1
        • 2.Qxb2#
      • 1...Ka2
        • 2.Qxb2#
      • 1...Qxh8
        • 2.0-0#
      • 1...Qd4
        • 2.Ke2#
      • 1...Qf6
        • 2.Kd2#
        • 2.Ke2#
      • 1...Qg7
        • 2.Kd2#
        • 2.Ke2#
        • 2.0-0#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(C);
    • Threat
      • QAB1(D),XQ(b)
    • Vars
      • Q(b);CHECK::R(B)+K(A)
      • K(a);N_SPINQ(b),P-FLIGHT::QAR1(D),XQ(b)
      • K(a);P-FLIGHT::QAR1(D),XQ(b)
      • Q(b);N_SPINQ(b),XQ(D)::0-0
      • Q(b);::R(B)+K(A)
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