MESON Chess Problem Database

Problem Display
PID: 94604 (r3k3/1p4Q1/p7/5p1p/2p5/8/8/R3K1R1 w - - 0 1)

McIntyre, Donald Glenoe

South African Chess Magazine, 1944

r3k3/1p4Q1/p7/5p1p/2p5/8/8/R3K1R1

#2

4 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qxb7?
      • threat
        • 2.Rg8#
      • 1...Kd8
        • 2.Rg8#
      • 1...Kf8!
    • 1.Qf7+?
      • 1...Kd8
        • 2.Rg8#
      • 1...Kxf7!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Rg8#
      • 1...Kd8
        • 2.Rg8#
      • 1...Kf8
        • 2.Rg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);XP(e)
      • Threat
        • R(C)
      • Vars
        • K(g);P-FLIGHT::R(C)
      • Refutation
        • K(g);P-FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(g);P-FLIGHT::R(C)
      • Refutation
        • K(g);S_FLIGHT,XQ(D)
  • Actual
    • Q(D);
    • Threat
      • R(C)
    • Vars
      • K(g);P-FLIGHT::R(C)
      • K(g);P-FLIGHT::R1(C)
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