MESON Chess Problem Database

Problem Display
PID: 106065 (4n3/K7/2N3N1/1pk5/4Q3/8/8/8 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Shakmatni Globus, 1993

4n3/K7/2N3N1/1pk5/4Q3/8/8/8

#2

4 + 3

5454 Near Snap 2009
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sd8?
      • threat
        • 2.Sb7#
      • 1...Kd6
        • 2.Qc6#
      • 1...Sd6
        • 2.Se6#
      • 1...b4!
    • 1.Sge7?
      • threat
        • 2.Qd5#
        • 2.Qb4#
        • 2.Qd4#
      • 1...b4
        • 2.Qd5#
        • 2.Qxb4#
      • 1...Sf6
        • 2.Qb4#
        • 2.Qd4#
      • 1...Sc7
        • 2.Qb4#
        • 2.Qd4#
      • 1...Kd6!
  • Keys
    • 1.Sa5!
      • threat
        • 2.Sb7#
      • 1...Kd6
        • 2.Qc6#
      • 1...b4
        • 2.Qe5#
      • 1...Sd6
        • 2.Sb3#

This anticipates 16197(2000)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • S(B)
      • Vars
        • K(b);S_FLIGHT::QAR1(A)
        • S(c);SBLOCK::S(B)
      • Refutation
        • P(a);
    • Try
      • S(C);
      • Threat
        • DUALS(3)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • K(b);S_FLIGHT::QAR1(A)
      • P(a);SBLOCK::QAR2(A)
      • S(c);SBLOCK::S(B)
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