MESON Chess Problem Database

Problem Display
PID: 141433 (2BB4/2K1N3/6pb/2p1k3/4r3/1P1ppR2/5P2/7Q w - - 0 1)

Holford, JM

British Chess Magazine, 1927

2BB4/2K1N3/6pb/2p1k3/4r3/1P1ppR2/5P2/7Q

#2

8 + 7

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qa1#
    • 1...Bf4
      • 2.Qh8#
  • Tries
    • 1.Rf5+?
      • 1...Kd4
        • 2.Qa1#
      • 1...gxf5!
  • Keys
    • 1.Rf4!
      • threat
        • 2.Qxe4#
      • 1...Kd4
        • 2.Qa1#
      • 1...Kxf4
        • 2.Sxg6#
      • 1...Rxf4
        • 2.Sc6#
      • 1...Bxf4
        • 2.Qh8#
      • 1...Ra4
        • 2.Sxg6#
      • 1...Rb4
        • 2.Sxg6#
      • 1...Rc4
        • 2.Sxg6#
      • 1...Rd4
        • 2.Sxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(e);S_FLIGHT::QAB(A)
    • B(g);OGATE::QAB(A)
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(e);S_FLIGHT::QAB(A)
      • Refutation
        • P(f);XR(D)
  • Actual
    • R(D);
    • Threat
      • QAR1(A),XR(c)
    • Vars
      • K(e);P_SPINR(c),S_FLIGHT::QAB(A)
      • K(e);S_FLIGHT,XR(D)::S(F),XP(f)
      • R(c);SBLOCK,XR(D)::S(F)
      • B(g);OGATE,SBLOCK,XR(D)::QAB(A)
      • R(c);::S(F),XP(f)
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