MESON Chess Problem Database

Problem Display
PID: 142300 (2Qb4/2P5/1p6/pp1kB1pp/8/3N4/bKB5/3R4 w - - 0 1)

Rietveld, Johannes Jacob

Pittsburgh Gazette-Times, 1913

2Qb4/2P5/1p6/pp1kB1pp/8/3N4/bKB5/3R4

#2

7 + 8

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qe6#
      • 2.cxd8Q#
      • 2.cxd8R#
    • 1...Kc6
      • 2.cxd8Q#
      • 2.cxd8R#
  • Tries
    • 1.Qd7+?
      • 1...Kc4
        • 2.Qc6#
        • 2.Qe6#
        • 2.Qd4#
        • 2.Qf7#
      • 1...Ke4!
    • 1.Qa8+?
      • 1...Kc4
        • 2.Qe4#
        • 2.Qc6#
      • 1...Ke6!
  • Keys
    • 1.Qb7+!
      • 1...Kc4
        • 2.Qe4#
        • 2.Qc6#
      • 1...Ke6
        • 2.c8Q#
        • 2.c8B#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(d);S_FLIGHT::PXB(h)=Q
  • Tries
    • Try
      • Q(G);CHECK
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(G);CHECK
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • Q(G);CHECK
    • Vars
      • K(d);S_FLIGHT::P=Q
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