MESON Chess Problem Database

Problem Display
PID: 180055 (4N2n/6Np/R4P1k/4Q2B/3K1pPb/4B3/5Prq/7R w - - 0 1)

Musante, Horacio Luis

1st HM., Bulletin Ouvrier des Echecs, 1952

4N2n/6Np/R4P1k/4Q2B/3K1pPb/4B3/5Prq/7R

#2

11 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bg3
      • 2.g5#
    • 1...Bg5
      • 2.Sf5#
  • Tries
    • 1.Bxf4+?
      • 1...Bg5
        • 2.Sf5#
        • 2.Bxg5#
        • 2.Qxg5#
      • 1...Qxf4+!
    • 1.Qxf4+?
      • 1...Bg5
        • 2.Sf5#
        • 2.Qxg5#
      • 1...Qxf4+!
    • 1.Qg5+?
      • 1...Bxg5
        • 2.Sf5#
      • 1...Kxg5!
  • Keys
    • 1.Bf7!
      • threat
        • 2.Qh5#
      • 1...Bxf2
        • 2.Qxf4#
      • 1...Bxf6
        • 2.Bxf4#
      • 1...Bg3
        • 2.g5#
      • 1...Bg5
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(d);N_GUARD,S_CUTR(a)::P(E)
    • B(d);N_SPINP(c),SBLOCK::S(J)
  • Tries
    • Try
      • B(C);CHECK,XP(c)
      • Refutation
        • Q(b);CHECK,XB(C)
    • Try
      • Q(F);CHECK,XP(c)
      • Refutation
        • Q(b);CHECK,P_SPINQ(b),XQ(F)
    • Try
      • Q(F);CHECK,N_PINP(c)
      • Vars
        • B(d);SBLOCK,XQ(F)::S(J)
      • Refutation
        • K(e);P_SPINP(c),S_FLIGHT,XQ(F)
  • Actual
    • B(G);
    • Threat
      • QAR1(F)
    • Vars
      • B(d);N_GUARD,P_PINB(C),P_SPINQ(b),XP(B)::QAB(F),XP(c)
      • B(d);N_GUARD,P_PINQ(F),P_SPINB(d),P_SPINQ(b),XP(I)::B(C),XP(c)
      • B(d);N_GUARD,P_SPINQ(b),S_CUTR(a)::P(E)
      • B(d);N_SPINP(c),P_SPINQ(b),SBLOCK::S(J)
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