MESON Chess Problem Database

Problem Display
PID: 262758 (7N/6Q1/4PP1p/4PPnR/2K1k1p1/5NPb/6p1/3B2B1 w - - 0 1)

Svitek, Miroslav

1st Comm., SuperProblem, 2018

7N/6Q1/4PP1p/4PPnR/2K1k1p1/5NPb/6p1/3B2B1

#2

12 + 6

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Sxe6
      • 2.Qb7#
    • 1...Sh7
      • 2.Qb7#
  • Tries
    • 1.Sg6?
      • 1...Sxf3
        • 2.Bc2#
        • 2.Qb7#
      • 1...Sxe6
        • 2.Sd2#
        • 2.Qb7#
      • 1...gxf3
        • 2.Bc2#
      • 1...Sf7
        • 2.Sd2#
      • 1...Sh7
        • 2.Sd2#
        • 2.Qb7#
      • 1...Kxf5!
    • 1.Qc7?
      • 1...Sxf3
        • 2.Bc2#
      • 1...Sxe6
        • 2.Sd2#
        • 2.Qc6#
        • 2.Qb7#
      • 1...gxf3
        • 2.Bc2#
      • 1...Sf7
        • 2.Sd2#
        • 2.Qc6#
        • 2.Qb7#
      • 1...Sh7
        • 2.Sd2#
        • 2.Qc6#
        • 2.Qb7#
      • 1...Kxf5!
    • 1.Qd7?
      • threat
        • 2.Qd3#
      • 1...Kxf5
        • 2.Bc2#
      • 1...Sxf3
        • 2.Qd5#
      • 1...gxf3!
  • Keys
    • 1.f7!
      • 1...Kxf5
        • 2.Qg6#
      • 1...Sxf3
        • 2.Bc2#
      • 1...Sxe6
        • 2.Sd2#
      • 1...Sxf7
        • 2.Sd2#
      • 1...gxf3
        • 2.Bc2#
      • 1...Sh7
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(e);XP(I)::QAB(K)
    • S(e);::QAB(K)
  • Tries
    • Try
      • S(L);
      • Vars
        • P(d);SBLOCK,XS(C)::B(A)
        • S(e);::S(C)
      • Refutation
        • K(c);P_SPINS(e),S_FLIGHT,XP(G)
    • Try
      • Q(K);
      • Vars
        • S(e);SBLOCK,XS(C)::B(A)
        • P(d);SBLOCK,XS(C)::B(A)
      • Refutation
        • K(c);P_SPINS(e),S_FLIGHT,XP(G)
    • Try
      • Q(K);
      • Threat
        • QAB1(K)
      • Vars
        • K(c);N_GUARD,P_SPINS(e),S_FLIGHT,XP(G)::B(A)
        • S(e);XS(C)::QAB1(K)
      • Refutation
        • P(d);XS(C)
  • Actual
    • P(J);
    • Vars
      • K(c);OGATEB,P_SPINS(e),S_FLIGHT,XP(G)::QAB1(K)
      • S(e);SBLOCK,XS(C)::B(A)
      • S(e);XP(I)::S(C)
      • S(e);XP(J)::S(C)
      • P(d);SBLOCK,XS(C)::B(A)
      • S(e);::S(C)
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