MESON Chess Problem Database

Problem Display
PID: 150241 (8/4N3/8/2n5/1N2k3/2Q3K1/8/n7 w - - 0 1)

Abdullayev, Suleyman

Problemist Ukraini, 2012

8/4N3/8/2n5/1N2k3/2Q3K1/8/n7

#2

4 + 3

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Sc2?
      • threat
        • 2.Qd4#
        • 2.Qe3#
      • 1...Sab3
        • 2.Qe3#
      • 1...Scb3
        • 2.Qe3#
      • 1...Sd3
        • 2.Qd4#
      • 1...Se6
        • 2.Qe3#
      • 1...Sxc2!
    • 1.Sbd5?
      • threat
        • 2.Sf6#
        • 2.Qe3#
      • 1...Sc2
        • 2.Sf6#
      • 1...Sd7
        • 2.Qe3#
      • 1...Sd3!
    • 1.Sec6?
      • threat
        • 2.Qe5#
        • 2.Qf3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sd7
        • 2.Qd3#
        • 2.Qf3#
      • 1...Kf5!
    • 1.Sg6?
      • threat
        • 2.Qe5#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sd7
        • 2.Qd3#
      • 1...Kf5!
  • Keys
    • 1.Sbc6!
      • threat
        • 2.Qd4#
        • 2.Qf3#
      • 1...Sd3
        • 2.Qd4#
      • 1...Sc2
        • 2.Qf3#
      • 1...Sab3
        • 2.Qf3#
      • 1...Scb3
        • 2.Qf3#
      • 1...Se6
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::QAR1(A)
        • S(c);::QAR1(A)
      • Refutation
        • S(a);XS(C)
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::S(C)
        • S(c);::QAR1(A)
      • Refutation
        • S(c);
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • S(c);N_GUARD::QAB1(A),XS(c)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(D);
      • Threat
        • QAR1(A)
      • Vars
        • S(c);N_GUARD::QAB1(A),XS(c)
        • S(c);N_GUARD::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(C);
    • Threat
      • DUALS(2)
    • Vars
      • S(c);::QAR1(A)
      • S(a);::QAB1(A)
      • S(c);::QAB1(A)
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