MESON Chess Problem Database

Problem Display
PID: 138973 (8/Q2p4/p2P4/1k6/p7/p1K5/8/8 w - - 0 1)

Fomichev, Evgeny Vasilevich

Aleksandr Galitzky - Shakhmaty Geine (Vol 1), 2010

8/Q2p4/p2P4/1k6/p7/p1K5/8/8

#2

3 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Ka5
      • 2.Qc5#
  • Tries
    • 1.Qb7+?
      • 1...Ka5
        • 2.Qb4#
      • 1...Kc5!
  • Keys
    • 1.Kd4!
      • threat
        • 2.Qc5#
      • 1...Kb4
        • 2.Qb6#
      • 1...Ka5
        • 2.Qc5#
      • 1...Kc6
        • 2.Qxa6#
      • 1...a5
        • 2.Qb7#

This is a version of 138972

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT,P_SPINP(d)::QAR2(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);OGATE,P-FLIGHT::QAB1(C)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • K(A);S_FLIGHT
    • Threat
      • QAR1(C)
    • Vars
      • K(c);P-FLIGHT::QAR2(C)
      • K(c);P-FLIGHT,P_SPINP(d)::QAR2(C)
      • K(c);S_FLIGHT::QAR2(C),XP(d)
      • P(d);SBLOCK::QAR2(C)
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