MESON Chess Problem Database

Problem Display
PID: 183997 (8/5K2/2pN4/3k2N1/1Q6/2n5/8/8 w - - 0 1)

Ivankovich, Egor

Kudesnik, 2018

8/5K2/2pN4/3k2N1/1Q6/2n5/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Sb7?
      • threat
        • 2.Qc5#
      • 1...c5
        • 2.Qxc5#
      • 1...Sa4
        • 2.Qe4#
      • 1...Se4
        • 2.Qxe4#
      • 1...Ke5!
  • Keys
    • 1.Se6!
      • threat
        • 2.Qc5#
        • 2.Qd4#
      • 1...Ke5
        • 2.Qd4#
      • 1...c5
        • 2.Qxc5#
      • 1...Se2
        • 2.Qc5#
      • 1...Sa4
        • 2.Qd4#
      • 1...Se4
        • 2.Qd4#
      • 1...Sb5
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • QAR1(A)
      • Vars
        • P(c);::QAR1(A),XP(c)
        • S(a);N_GUARD::QAB1(A)
        • S(a);N_GUARD::QAB1(A),XS(a)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(B);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);P-FLIGHT::QAB1(A)
      • P(c);::QAR1(A),XP(c)
      • S(a);::QAR1(A)
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