MESON Chess Problem Database

Problem Display
PID: 19473 (2r1q3/nNb5/1p3RB1/1p1kPQ1r/p2p3p/8/6b1/K1RN2B1 w - - 0 1)

Musante, Horacio Luis

1st Prize, Probleemblad, 1956

2r1q3/nNb5/1p3RB1/1p1kPQ1r/p2p3p/8/6b1/K1RN2B1

#2

9 + 12

3976 FIDE Album (1956-1958) 1961
23 Die Schwalbe 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Qf7
      • 2.Bxf7#
    • 1...Qxe5
      • 2.Bf7#
    • 1...Qe6
      • 2.Qxe6#
    • 1...Qd8
      • 2.Bf7#
      • 2.Qe6#
    • 1...Qf8
      • 2.Qe6#
    • 1...Qh8
      • 2.Bf7#
      • 2.Qe6#
    • 1...Bf1
      • 2.Qe4#
    • 1...Bh3
      • 2.Qe4#
    • 1...Be4
      • 2.Qxe4#
    • 1...Bxe5
      • 2.Rd6#
    • 1...Bd6
      • 2.Rxd6#
    • 1...Bd8
      • 2.Rd6#
  • Tries
    • 1.Bf7+?
      • 1...Qe6
        • 2.Bxe6#
      • 1...Qxf7!
    • 1.Qd7+?
      • 1...Kxe5
        • 2.Bxd4#
        • 2.Qxd4#
      • 1...Bd6
        • 2.Qxd6#
      • 1...Qxd7!
    • 1.Qf2?
      • threat
        • 2.Qxd4#
      • 1...Kxe5
        • 2.Qxd4#
      • 1...Qxe5
        • 2.Qa2#
      • 1...Bxe5
        • 2.Qxg2#
      • 1...d3
        • 2.Qd4#
      • 1...Sc6!
    • 1.Qf3+?
      • 1...Kxe5
        • 2.Bh2#
      • 1...Bxf3!
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qxd4#
      • 1...Kxe5
        • 2.Qxd4#
      • 1...Qxe5
        • 2.Sc3#
      • 1...Bxe5
        • 2.Se3#
      • 1...Sc6
        • 2.Qxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 8
  • Sets
    • Q(l);N_GUARD::B(H),XQ(l)
    • Q(l);N_GUARD,P_SPINQ(l),XP(E)::B(H)
    • Q(l);N_GUARD::QAB1(F),XQ(l)
    • Q(l);N_GUARD::QAB1(F)
    • B(a);N_GUARD::QAB1(F)
    • B(a);N_GUARD::QAB1(F),XB(a)
    • B(j);N_GUARD,P_SPINB(j),XP(E)::R1(G)
    • B(j);N_GUARD::R1(G),XB(j)
    • B(j);N_GUARD::R1(G)
  • Tries
    • Try
      • B(H);CHECK
      • Vars
        • Q(l);N_GUARD,P_SPINQ(l)::B(H),XQ(l)
      • Refutation
        • Q(l);XB(H)
    • Try
      • Q(F);CHECK
      • Vars
        • B(j);N_GUARD,P_SPINB(j)::QAR1(F),XB(j)
      • Refutation
        • Q(l);XQ(F)
    • Try
      • Q(F);
      • Threat
        • QAR1(F),XP(c)
      • Vars
        • K(f);P-FLIGHT,XP(E)::QAB1(F),XP(c)
        • Q(l);SBLOCK,XP(E)::QAB(F)
        • B(j);SBLOCK,XP(E)::QAB(F),XB(a)
        • P(c);::QAR1(F)
      • Refutation
        • S(i);
    • Try
      • Q(F);CHECK
      • Vars
        • K(f);P-FLIGHT,XP(E)::B(D)
      • Refutation
        • B(a);XQ(F)
  • Actual
    • Q(F);P_PINP(c)
    • Threat
      • QAR1(F),XP(c)
    • Vars
      • K(f);N_SPINP(c),P-FLIGHT,XP(E)::QAB1(F),XP(c)
      • Q(l);SBLOCK,XP(E)::S(C)
      • B(j);SBLOCK,XP(E)::S(C)
      • S(i);N_GUARD,S_CUTQ(l)::QAR2(F),XP(e)
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