MESON Chess Problem Database

Problem Display
PID: 247147 (1K2k2r/6bR/p4Pn1/3R2Nb/8/8/B7/6Q1 w k - 0 1)

Labai, Zoltan

Svitek, Miroslav

Sachmatija, 2021

1K2k2r/6bR/p4Pn1/3R2Nb/8/8/B7/6Q1

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kf8
      • 2.Rd8#
    • 1...0-0+
      • 2.Rd8#
  • Tries
    • 1.Kc7?
      • threat
        • 2.Rd8#
      • 1...Kf8
        • 2.Rd8#
      • 1...0-0
        • 2.Rd8#
      • 1...Bxf6!
    • 1.Qe3+?
      • 1...Kf8
        • 2.Rd8#
      • 1...Se7
        • 2.Qxe7#
      • 1...Se5!
    • 1.Qd4?
      • threat
        • 2.Rd8#
      • 1...0-0+
        • 2.Rd8#
      • 1...Kf8
        • 2.Rd8#
      • 1...Bxf6!
    • 1.Qc5?
      • threat
        • 2.Qc8#
        • 2.f7#
      • 1...Se7
        • 2.Qxe7#
      • 1...Rf8
        • 2.Qc6#
        • 2.Qc8#
      • 1...Bg4
        • 2.f7#
      • 1...Sf4
        • 2.Qe7#
        • 2.Qc8#
      • 1...Sh4
        • 2.Qe7#
        • 2.Qc8#
      • 1...Se5
        • 2.Qe7#
        • 2.Qc8#
      • 1...Sf8
        • 2.Qe7#
        • 2.Qc8#
      • 1...Bxf6!
    • 1.Qb6?
      • threat
        • 2.Rd8#
        • 2.Qd8#
      • 1...0-0+
        • 2.Rd8#
      • 1...Kf8
        • 2.Rd8#
        • 2.Qd8#
      • 1...Bxf6!
  • Keys
    • 1.Qa7!
      • threat
        • 2.Qf7#
      • 1...0-0+
        • 2.Rd8#
      • 1...Kf8
        • 2.Rd8#
        • 2.Qf7#
      • 1...Rf8
        • 2.Qd7#
      • 1...Sf4
        • 2.Qe7#
      • 1...Sh4
        • 2.Qe7#
      • 1...Se5
        • 2.Qe7#
      • 1...Se7
        • 2.Qxe7#
      • 1...Sf8
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • K(e);P-FLIGHT::R(C)
    • K(e);0-0,CHECK::B(B)+R(C)
  • Tries
    • Try
      • K(G);S_FLIGHT
      • Threat
        • R1(C)
      • Vars
        • K(e);P-FLIGHT::R(C)
        • K(e);0-0::B(B)+R(C)
      • Refutation
        • B(d);XP(E)
    • Try
      • Q(A);CHECK
      • Vars
        • K(e);P-FLIGHT::R(C)
        • S(c);N_GUARD,P_SPINS(c)::QAR1(A),XS(c)
      • Refutation
        • S(c);P_SPINS(c)
    • Try
      • Q(A);
      • Threat
        • R1(C)
      • Vars
        • K(e);0-0,CHECK::B(B)+R(C)
        • K(e);P-FLIGHT::R(C)
      • Refutation
        • B(d);XP(E)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(c);N_GUARD::QAR1(A),XS(c)
        • B(a);::P(E)
      • Refutation
        • B(d);XP(E)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(e);0-0,CHECK::B(B)+R(C)
      • Refutation
        • B(d);XP(E)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(e);0-0,CHECK::B(B)+R(C)
      • R(f);SBLOCK::QAB1(A)
      • S(c);N_GUARD::QAR1(A)
      • S(c);N_GUARD::QAR1(A),XS(c)
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Developed and maintained by Brian Stephenson.
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