MESON Chess Problem Database

Problem Display
PID: 169205 (8/8/3n1Q2/8/3NkN2/8/4K3/8 w - - 0 1)

Abdullayev, Fariz

Sp. Comm., SuperProblem (Blackjack 5), 2014

8/8/3n1Q2/8/3NkN2/8/4K3/8

#2

4 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sb3?
      • threat
        • 2.Sd2#
        • 2.Sc5#
      • 1...Sc4
        • 2.Sc5#
      • 1...Sb7
        • 2.Sd2#
      • 1...Sf5!
    • 1.Sde6?
      • threat
        • 2.Sc5#
        • 2.Sg5#
      • 1...Sb7
        • 2.Sg5#
      • 1...Sf7
        • 2.Sc5#
      • 1...Sf5!
    • 1.Sfe6?
      • 1...Sc4
        • 2.Qf5#
      • 1...Sb5
        • 2.Qf5#
      • 1...Sf5
        • 2.Qxf5#
      • 1...Sb7
        • 2.Qf5#
      • 1...Sf7
        • 2.Qf5#
      • 1...Sc8
        • 2.Qf5#
      • 1...Se8
        • 2.Qf5#
      • 1...Kd5!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Sd2#
        • 2.Sg5#
        • 2.Qe5#
      • 1...Sf5
        • 2.Qe5#
      • 1...Sc4
        • 2.Sg5#
      • 1...Sf7
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);::S(B)
      • Refutation
        • S(b);
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);::S(B)
      • Refutation
        • S(b);
    • Try
      • S(C);
      • Vars
        • S(b);N_GUARD::QAB1(D)
        • S(b);N_GUARD::QAB1(D),XS(b)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(B);
    • Threat
      • DUALS(3)
    • Vars
      • S(b);::QAR1(D)
      • S(b);::S(B)
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