MESON Chess Problem Database

Problem Display
PID: 61191 (8/5K2/1n6/4kp2/1Q6/4NB2/8/8 w - - 0 1)

Zimmer, Eligiusz

Uralski Problemist, 2004

8/5K2/1n6/4kp2/1Q6/4NB2/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Sg2?
      • threat
        • 2.Qf4#
      • 1...Sc4
        • 2.Qc5#
      • 1...f4
        • 2.Qxf4#
      • 1...Sd5!
    • 1.Qe4+?
      • 1...Kd6
        • 2.Qe7#
      • 1...fxe4!
    • 1.Qxb6?
      • 1...f4
        • 2.Qc5#
        • 2.Qf6#
      • 1...Kf4!
  • Keys
    • 1.Qh4!
      • 1...Kd6
        • 2.Qe7#
      • 1...f4
        • 2.Qf6#
      • 1...Sa4
        • 2.Sc4#
      • 1...Sc4
        • 2.Sxc4#
      • 1...Sd5
        • 2.Sc4#
      • 1...Sd7
        • 2.Sc4#
      • 1...Sa8
        • 2.Sc4#
      • 1...Sc8
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • QAB1(C)
      • Vars
        • S(c);N_GUARD::QAR2(C)
        • P(b);::QAB1(C),XP(b)
      • Refutation
        • S(c);
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAB1(C)
      • Refutation
        • P(b);XQ(C)
    • Try
      • Q(C);XS(c)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);S_FLIGHT::QAB1(C)
      • P(b);::QAB1(C)
      • S(c);N_GUARD::S(A)
      • S(c);N_GUARD::S(A),XS(c)
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