MESON Chess Problem Database

Problem Display
PID: 7694 (8/8/p7/2pR4/7K/4k2n/8/5Q2 w - - 0 1)

McDowell, Michael

The Problemist, 1992

8/8/p7/2pR4/7K/4k2n/8/5Q2

#2

3 + 4

2838 Fun with Chess Miniatures 1996
56 The Problemist 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Qd3+?
      • 1...Kf4
        • 2.Rf5#
      • 1...Kf2!
  • Keys
    • 1.Kg3!
      • threat
        • 2.Qd3#
        • 2.Qe1#
        • 2.Qf3#
      • 1...Ke4
        • 2.Qd3#
        • 2.Qf3#
      • 1...Sg1
        • 2.Qd3#
      • 1...Sf2
        • 2.Qe1#
      • 1...Sf4
        • 2.Qf3#
      • 1...Sg5
        • 2.Qd3#
        • 2.Qe1#
      • 1...c4
        • 2.Qe1#
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::R1(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(B);S_FLIGHT
    • Threat
      • DUALS(3)
    • Vars
      • S(b);::QAR1(A)
      • S(b);::QAR2(A)
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