MESON Chess Problem Database

Problem Display
PID: 205588 (8/B3R1Kn/6P1/6PQ/1p1N1k2/q2n3p/7r/1Br1b2N w - - 0 1)

Goulty, Allison Howard

The Observer, 1953

(First published on Sun May 10 1953)

8/B3R1Kn/6P1/6PQ/1p1N1k2/q2n3p/7r/1Br1b2N

#2

9 + 9

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rf2
      • 2.Qh4#
    • 1...Bd2
      • 2.Qh4#
    • 1...Bc3
      • 2.Qh4#
    • 1...Bh4
      • 2.Qxh4#
    • 1...Sb2
      • 2.Re4#
    • 1...Sf2
      • 2.Se2#
    • 1...Sc5
      • 2.Bb8#
    • 1...Se5
      • 2.Se6#
  • Keys
    • 1.Kh6!
      • threat
        • 2.Qf3#
      • 1...Sxg5
        • 2.Qxg5#
      • 1...Se5
        • 2.Se6#
      • 1...Rf2
        • 2.Qh4#
      • 1...Sb2
        • 2.Re4#
      • 1...Sf2
        • 2.Se2#
      • 1...Sc5
        • 2.Bb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • R(c);S_CUTB(b)::QAR2(E)
    • B(b);N_GUARD::QAR2(E)
    • B(b);N_GUARD,P_PINS(C)::QAR2(E)
    • B(b);N_GUARD::QAR2(E),XB(b)
    • S(e);::R1(H)
    • S(e);S_CUTR(c)::S(C)
    • S(e);N_GUARD,S_CUTR(a)::B(G)
    • S(e);SBLOCK::S(C)
  • Actual
    • K(I);S_FLIGHT
    • Threat
      • QAR1(E)
    • Vars
      • S(i);OGATE,XP(D)::QAB1(E),XS(i)
      • S(e);SBLOCK::S(C)
      • R(c);S_CUTB(b)::QAR2(E)
      • S(e);::R1(H)
      • S(e);S_CUTR(c)::S(C)
      • S(e);N_GUARD,S_CUTR(a)::B(G)
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