MESON Chess Problem Database

Problem Display
PID: 18764 (7K/R4N2/5kpp/5P1q/1B4nn/2N2B2/3p4/3Q1R2 w - - 0 1)

Musante, Horacio Luis

3rd Prize, Gamage MT (Chess Life), 1957-1958

7K/R4N2/5kpp/5P1q/1B4nn/2N2B2/3p4/3Q1R2

#2

9 + 7

268 Chess Life 1959
3976 FIDE Album (1956-1958) 1961
3147 Chess Problems: Introduction to an Art 1963
6329 Australian Chess 2003
4901 Best Problems 2009
56 The Problemist 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf5
      • 2.Bxg4#
  • Tries
    • 1.Be7+?
      • 1...Kxf5
        • 2.Bxg4#
      • 1...Kxf7!
    • 1.Ra6+?
      • 1...Kxf5
        • 2.Be4#
        • 2.Bxg4#
      • 1...Kxf7!
    • 1.Qe2?
      • threat
        • 2.Qe6#
      • 1...Kxf5
        • 2.Bxg4#
      • 1...Qxf5
        • 2.Qe7#
      • 1...Sxf5
        • 2.Sd5#
      • 1...gxf5
        • 2.Qa6#
      • 1...Se5
        • 2.Qxe5#
      • 1...Se3!
  • Keys
    • 1.Qb3!
      • threat
        • 2.Qe6#
      • 1...Kxf5
        • 2.Be4#
      • 1...Qxf5
        • 2.Be7#
      • 1...Sxf5
        • 2.Se4#
      • 1...gxf5
        • 2.Ra6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(e);OGATEB,P-FLIGHT,XP(F)::R(B)+B(D),DCHECK,XS(b)
  • Tries
    • Try
      • B(E);CHECK
      • Vars
        • K(e);P-FLIGHT,XP(F)::R(B)+B(D),DCHECK,XS(b)
      • Refutation
        • K(e);P-FLIGHT,XS(H)
    • Try
      • R(G);CHECK
      • Refutation
        • K(e);P-FLIGHT,XS(H)
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • K(e);OGATEB,P-FLIGHT,XP(F)::R(B)+B(D),DCHECK,XS(b)
        • Q(d);SBLOCK,XP(F)::QAB1(A)
        • S(c);SBLOCK,XP(F)::S(C)
        • P(f);SBLOCK,XP(F)::QAR(A)
        • S(b);N_GUARD::QAB1(A),XS(b)
      • Refutation
        • S(b);
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • K(e);OGATEB,P-FLIGHT,XP(F)::R(B)+B(D),DCHECK
      • Q(d);SBLOCK,XP(F)::B(E)
      • S(c);SBLOCK,XP(F)::S(C)
      • P(f);SBLOCK,XP(F)::R(G)
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