MESON Chess Problem Database

Problem Display
PID: 134589 (8/2K5/4P3/8/k7/p1PB3Q/8/8 w - - 0 1)

Savenok, Aleksandr Antolovich

Sachsische Zeitung, 1999

8/2K5/4P3/8/k7/p1PB3Q/8/8

#2

5 + 2

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Qg4+?
      • 1...Ka5
        • 2.Qb4#
      • 1...Kb3!
    • 1.Qh2?
      • 1...Kb3
        • 2.Qc2#
      • 1...a2
        • 2.Qxa2#
      • 1...Ka5!
    • 1.Qh4+?
      • 1...Ka5
        • 2.Qb4#
      • 1...Kb3!
  • Keys
    • 1.Qg2!
      • 1...Kb3
        • 2.Qc2#
      • 1...Ka5
        • 2.Qa8#
      • 1...a2
        • 2.Qxa2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(b);S_FLIGHT::QAB1(C)
        • P(a);OGATEB::QAR2(C),XP(a)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(C)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(b);S_FLIGHT::QAB1(C)
      • K(b);P-FLIGHT::QAR(C)
      • P(a);OGATEB::QAR2(C),XP(a)
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