MESON Chess Problem Database

Problem Display
PID: 6912 (5K2/3b2p1/5p2/Rq3k2/2N2B2/3N3P/3b4/1B1Q4 w - - 0 1)

Goulty, Allison Howard

Social Chess Quarterly (The), 1934

5K2/3b2p1/5p2/Rq3k2/2N2B2/3N3P/3b4/1B1Q4

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kg6
      • 2.Sde5#
  • Tries
    • 1.Sc5+?
      • 1...Qxb1
        • 2.Qg4#
      • 1...Kxf4!
    • 1.Sd6+?
      • 1...Kg6
        • 2.Se5#
      • 1...Ke6!
    • 1.Bxd2?
      • threat
        • 2.Qg4#
      • 1...Qc5+
        • 2.Sxc5#
      • 1...Ke6
        • 2.Sf4#
      • 1...Kg6
        • 2.Sde5#
      • 1...g5
        • 2.Sf4#
      • 1...Ke4!
  • Keys
    • 1.Be3!
      • threat
        • 2.Qg4#
      • 1...Qc5+
        • 2.Sxc5#
      • 1...Bb4+
        • 2.Sc5#
      • 1...Ke4
        • 2.Sb4#
      • 1...Ke6
        • 2.Sf4#
      • 1...Kg6
        • 2.Sde5#
      • 1...g5
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(c);N_SPINQ(b),S_FLIGHT::B(A)+S(C),DCHECK
  • Tries
    • Try
      • S(C);CHECK,N_PINQ(b)
      • Vars
        • Q(b);XB(A)::QAB1(B)
      • Refutation
        • K(c);P-FLIGHT,XB(F)
    • Try
      • S(E);CHECK
      • Vars
        • K(c);N_SPINQ(b),S_FLIGHT::B(A)+S(C),DCHECK
      • Refutation
        • K(c);N_SPINQ(b),S_FLIGHT
    • Try
      • B(F);XB(a)
      • Threat
        • QAB1(B)
      • Vars
        • Q(b);CHECK,N_GUARD::B(A)+S(C),XQ(b)
        • K(c);N_SPINQ(b),S_FLIGHT::S(C)
        • K(c);N_SPINQ(b),S_FLIGHT::B(A)+S(C),DCHECK
        • P(f);SBLOCK::B(A)+S(C)
      • Refutation
        • K(c);N_SPINQ(b),S_FLIGHT
  • Actual
    • B(F);
    • Threat
      • QAB1(B)
    • Vars
      • Q(b);CHECK,N_GUARD::B(A)+S(C),XQ(b)
      • B(a);CHECK::B(A)+S(C)
      • K(c);N_SPINQ(b),S_FLIGHT::B(A)+S(C)
      • K(c);N_SPINQ(b),S_FLIGHT::S(C)
      • K(c);N_SPINQ(b),S_FLIGHT::B(A)+S(C),DCHECK
      • P(f);SBLOCK::B(A)+S(C)
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