MESON Chess Problem Database

Problem Display
PID: 233004 (2Q5/K7/4p3/3k4/8/5NP1/4B3/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Kudesnik, 2005

2Q5/K7/4p3/3k4/8/5NP1/4B3/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qxe6#
  • Tries
    • 1.Kb7?
      • threat
        • 2.Qc6#
      • 1...Ke4
        • 2.Qxe6#
      • 1...Kd6!
    • 1.Qd7+?
      • 1...Ke4
        • 2.Qxe6#
        • 2.Qd3#
      • 1...Kc5!
    • 1.Qc5+?
      • 1...Ke4
        • 2.Sd2#
        • 2.Sg5#
        • 2.Qe5#
      • 1...Kxc5!
    • 1.Qc7?
      • 1...Ke4
        • 2.Qe5#
      • 1...e5!
  • Keys
    • 1.Kb6!
      • threat
        • 2.Qc6#
      • 1...Ke4
        • 2.Qxe6#
      • 1...Kd6
        • 2.Qd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR2(E),XP(b)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Threat
        • QAB1(E)
      • Vars
        • K(a);S_FLIGHT::QAR2(E),XP(b)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(E)
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAR1(E)
      • Refutation
        • P(b);
  • Actual
    • K(D);S_FLIGHT
    • Threat
      • QAB1(E)
    • Vars
      • K(a);S_FLIGHT::QAR2(E),XP(b)
      • K(a);P-FLIGHT::QAR2(E)
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