MESON Chess Problem Database

Problem Display
PID: 273388 (8/3p4/3B4/8/2Q4p/7k/2n5/7K w - - 0 1)

Kovacevic, Marjan

Mat, 1972

8/3p4/3B4/8/2Q4p/7k/2n5/7K

#2

3 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Qe2?
      • threat
        • 2.Qf3#
        • 2.Qg2#
      • 1...Se3
        • 2.Qf3#
      • 1...Sd4
        • 2.Qg2#
      • 1...Se1!
    • 1.Qd5?
      • threat
        • 2.Qg2#
        • 2.Qf3#
        • 2.Qf5#
      • 1...Se1
        • 2.Qf5#
      • 1...Se3
        • 2.Qf3#
      • 1...Sd4
        • 2.Qg2#
      • 1...Kg4!
    • 1.Qf4?
      • threat
        • 2.Qf3#
        • 2.Qf5#
      • 1...Se3
        • 2.Qf3#
      • 1...Se1
        • 2.Qf5#
      • 1...Sd4!
  • Keys
    • 1.Qe4!
      • threat
        • 2.Qg2#
        • 2.Qf3#
        • 2.Qf5#
      • 1...Se3
        • 2.Qf3#
      • 1...Se1
        • 2.Qf5#
      • 1...Sd4
        • 2.Qg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::QAR2(B)
        • S(a);::QAB1(B)
      • Refutation
        • S(a);
    • Try
      • Q(B);
      • Threat
        • DUALS(3)
      • Vars
        • S(a);::QAB(B)
        • S(a);::QAR2(B)
        • S(a);::QAB1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::QAR2(B)
        • S(a);::QAB(B)
      • Refutation
        • S(a);
  • Actual
    • Q(B);
    • Threat
      • DUALS(3)
    • Vars
      • S(a);::QAR2(B)
      • S(a);::QAB(B)
      • S(a);::QAB1(B)
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