MESON Chess Problem Database

Problem Display
PID: 278012 (8/bb5B/4rp2/R7/3k2NK/4p3/qP1N3Q/8 w - - 0 1)

Musante, Horacio Luis

To Mat, 1957

8/bb5B/4rp2/R7/3k2NK/4p3/qP1N3Q/8

#2

7 + 7

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Rc6
      • 2.Qf4#
  • Tries
    • 1.Qf4+?
      • 1...Be4
        • 2.Qxe3#
      • 1...Re4!
    • 1.Qe2?
      • threat
        • 2.Qd3#
      • 1...Qxa5
        • 2.Qc4#
      • 1...Qb1
        • 2.Sb3#
        • 2.Qc4#
      • 1...Qb3
        • 2.Sxb3#
      • 1...Qc4
        • 2.Qxc4#
      • 1...Qa3
        • 2.Qc4#
      • 1...Re4
        • 2.Sf3#
      • 1...Be4
        • 2.Qxe3#
      • 1...Ba6
        • 2.Sf3#
      • 1...f5!
  • Keys
    • 1.Qc7!
      • threat
        • 2.Qc3#
      • 1...Qxb2
        • 2.Qc4#
      • 1...Qxa5
        • 2.Qc4#
      • 1...Bc5
        • 2.Qxc5#
      • 1...Qb3
        • 2.Sxb3#
      • 1...Qc4
        • 2.Qxc4#
      • 1...Qa3
        • 2.Qc4#
      • 1...Rc6
        • 2.Qf4#
      • 1...Bc6
        • 2.Qxa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • R(d);N_GUARD,S_CUTB(g)::QAR2(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • B(g);P_SPINB(g),S_CUTR(d)::QAB1(C),XP(b)
      • Refutation
        • R(d);P_SPINR(d)
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • Q(a);N_GUARD,XR(F)::QAR1(C)
        • Q(a);N_GUARD::S(B),XQ(a)
        • Q(a);N_GUARD::QAR1(C),XQ(a)
        • Q(a);N_GUARD::QAR1(C)
        • R(d);P_PINS(D),S_CUTB(g)::S(B)
        • B(g);S_CUTR(d)::QAB1(C),XP(b)
        • B(g);N_GUARD::S(B)
      • Refutation
        • P(e);
  • Actual
    • Q(C);
    • Threat
      • QAB1(C)
    • Vars
      • Q(a);N_GUARD,XP(A)::QAR1(C)
      • Q(a);N_GUARD,XR(F)::QAR1(C)
      • B(f);N_GUARD::QAB1(C),XB(f)
      • Q(a);N_GUARD::S(B),XQ(a)
      • Q(a);N_GUARD::QAR1(C),XQ(a)
      • Q(a);N_GUARD::QAR1(C)
      • R(d);N_GUARD,S_CUTB(g)::QAR2(C)
      • B(g);OGATE::QAB(C),XB(f)
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