MESON Chess Problem Database

Problem Display
PID: 47589 (8/8/5n2/1Q3N2/4k3/3N4/5P2/4K3 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Sachsische Zeitung, 1999

8/8/5n2/1Q3N2/4k3/3N4/5P2/4K3

#2

5 + 2

14503 Problemschach-Jahrbuch (1999) 2000
4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Tries
    • 1.Ke2?
      • threat
        • 2.Qe5#
        • 2.f3#
      • 1...Sg4
        • 2.f3#
      • 1...Sd7
        • 2.f3#
      • 1...Sd5!
    • 1.Sd6+?
      • 1...Kd4
        • 2.Qc4#
      • 1...Kf3!
    • 1.Qc4+?
      • 1...Kf3
        • 2.Sh4#
      • 1...Kxf5!
  • Keys
    • 1.Se3!
      • 1...Kf3
        • 2.Qf5#
      • 1...Kd4
        • 2.Qc4#
      • 1...Sg4
        • 2.Qd5#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sh5
        • 2.Qd5#
      • 1...Sd7
        • 2.Qd5#
      • 1...Sh7
        • 2.Qd5#
      • 1...Se8
        • 2.Qd5#
      • 1...Sg8
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • S(b);::P(B)
      • Refutation
        • S(b);
    • Try
      • S(E);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);S_FLIGHT::S(E)
      • Refutation
        • K(a);S_FLIGHT,XS(E)
  • Actual
    • S(E);
    • Vars
      • K(a);S_FLIGHT::QAR2(D)
      • K(a);P-FLIGHT::QAR1(D)
      • S(b);N_GUARD::QAB1(D)
      • S(b);N_GUARD::QAB1(D),XS(b)
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