MESON Chess Problem Database

Problem Display
PID: 255924 (4K2n/8/1Nn1k3/8/5Q2/3P4/8/8 w - - 0 1)

Zimmer, Eligiusz

Zadachi i Etyudi, 2007

4K2n/8/1Nn1k3/8/5Q2/3P4/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.d4?
      • threat
        • 2.d5#
      • 1...Se5
        • 2.Qxe5#
      • 1...Sb4
        • 2.Qe5#
      • 1...Se7
        • 2.Qe5#
      • 1...Sxd4!
  • Keys
    • 1.Sc4!
      • 1...Kd5
        • 2.Qd6#
      • 1...Sb4
        • 2.Qe5#
      • 1...Sd4
        • 2.Qe5#
      • 1...Sa5
        • 2.Qe5#
      • 1...Se5
        • 2.Qxe5#
      • 1...Sa7
        • 2.Qe5#
      • 1...Se7
        • 2.Qe5#
      • 1...Sb8
        • 2.Qe5#
      • 1...Sd8
        • 2.Qe5#
      • 1...Sg6
        • 2.Qf7#
      • 1...Sf7
        • 2.Qxf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(A);
      • Threat
        • P(A)
      • Vars
        • S(a);N_GUARD::QAR1(B),XS(a)
        • S(a);N_GUARD::QAR1(B)
      • Refutation
        • S(a);XP(A)
  • Actual
    • S(C);
    • Vars
      • K(b);N_GUARD,S_FLIGHT::QAR1(B)
      • S(a);N_GUARD::QAR1(B)
      • S(a);N_GUARD::QAR1(B),XS(a)
      • S(c);N_GUARD::QAB1(B)
      • S(c);N_GUARD::QAB1(B),XS(c)
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