MESON Chess Problem Database

Problem Display
PID: 142982 (K7/1Q1p4/p1Np1n2/P1pk1BR1/5P2/8/8/8 w - - 0 1)

Sujitno, K

Thema Danicum, 1976

K7/1Q1p4/p1Np1n2/P1pk1BR1/5P2/8/8/8

#2

7 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Bc2+?
      • 1...Kc4
        • 2.Qb3#
      • 1...Ke6!
    • 1.Qb3+?
      • 1...Kxc6
        • 2.Qb7#
      • 1...c4!
  • Keys
    • 1.Qb1!
      • 1...Kc4
        • 2.Qd3#
      • 1...Kxc6
        • 2.Qb7#
      • 1...dxc6
        • 2.Qd3#
      • 1...Se4
        • 2.Qxe4#
      • 1...Sg4
        • 2.Qe4#
      • 1...Sh5
        • 2.Qe4#
      • 1...Sh7
        • 2.Qe4#
      • 1...Se8
        • 2.Qe4#
      • 1...Sg8
        • 2.Qe4#
      • 1...c4
        • 2.Bxd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(E)::QAB1(F)
      • Refutation
        • P(a);P_SPINP(a)
  • Actual
    • Q(F);
    • Vars
      • K(b);S_FLIGHT::QAB1(F)
      • K(b);OGATEB,S_FLIGHT,XS(E)::QAB1(F)
      • P(f);SBLOCK,XS(E)::QAR2(F)
      • S(e);N_GUARD::QAB1(F),XS(e)
      • S(e);N_GUARD::QAB1(F)
      • P(a);SBLOCK::R(D)+B(C),XP(f)
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