MESON Chess Problem Database

Problem Display
PID: 59538 (4Qb2/8/8/2p2K2/1Pk2N1R/2PnP1p1/P3n3/2R1BBqr w - - 0 1)

Kipping, Cyril Stanley

4th HM., Brisbane Courier, 1922-1923

4Qb2/8/8/2p2K2/1Pk2N1R/2PnP1p1/P3n3/2R1BBqr

#2

11 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sd4+
      • 2.cxd4#
    • 1...Sxb4
      • 2.cxb4#
  • Keys
    • 1.Qc6!
      • threat
        • 2.Qa6#
      • 1...Sd4+
        • 2.cxd4#
      • 1...Sxc3
        • 2.Sh3#
      • 1...Sexf4
        • 2.Rxf4#
      • 1...Sxb4
        • 2.cxb4#
      • 1...Sdxf4
        • 2.Bxe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(c);CHECK,OGATE,P_SPINS(d)::R(A)+P(E),XS(c)
    • S(d);OGATE,P_SPINS(c),XP(G)::R(A)+P(E),XS(d)
  • Actual
    • Q(K);P_PINP(g)
    • Threat
      • QAB(K)
    • Vars
      • S(c);CHECK,OGATE,P_SPINS(d)::R(A)+P(E),XS(c)
      • S(c);N_GUARD,P_SPINS(c),S_CUTS(d),XP(E)::R(I)+S(H)
      • S(c);OGATE,P_SPINS(d),XS(H)::R(I),XS(c)
      • S(d);OGATE,P_SPINS(c),XP(G)::R(A)+P(E),XS(d)
      • S(d);OGATEB,P_SPINS(c),XS(H)::B(C),XS(c)
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