MESON Chess Problem Database

Problem Display
PID: 24215 (Q7/6K1/5B2/8/8/4kBRp/8/8 w - - 0 1)

Giordano, N

Chess Life, 1957

Q7/6K1/5B2/8/8/4kBRp/8/8

#2

5 + 2

2786 More Fun with Chess Miniatures 2000
5454 Near Snap 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Rg2?
      • threat
        • 2.Qe4#
      • 1...Kd3
        • 2.Qe4#
      • 1...Kf4
        • 2.Qe4#
      • 1...hxg2!
    • 1.Qd5?
      • threat
        • 2.Qd4#
      • 1...Kf4
        • 2.Qe5#
        • 2.Qg5#
      • 1...Kf2!
  • Keys
    • 1.Qa1!
      • threat
        • 2.Qd4#
      • 1...Kd2
        • 2.Qc3#
      • 1...Kf2
        • 2.Qg1#
      • 1...Kd3
        • 2.Qc3#
      • 1...Kf4
        • 2.Qe5#

This anticipates 176169(1960), 147073(1996)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Threat
        • QAR1(E)
      • Vars
        • K(a);P-FLIGHT::QAB1(E)
        • K(a);S_FLIGHT::QAR1(E)
      • Refutation
        • P(b);XR(B)
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(E);
    • Threat
      • QAB1(E)
    • Vars
      • K(a);S_FLIGHT::QAB1(E)
      • K(a);P-FLIGHT::QAR1(E)
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