MESON Chess Problem Database

Problem Display
PID: 171417 (8/8/2Q5/k7/8/8/KN1P4/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Shakh-M (Borovich), 1997

8/8/2Q5/k7/8/8/KN1P4/8

#2

4 + 1

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kb4
      • 2.Qb6#
  • Tries
    • 1.Qa6+?
      • 1...Kb4
        • 2.Sd3#
        • 2.Qb6#
      • 1...Kxa6!
    • 1.Qe6?
      • 1...Kb4
        • 2.Qb6#
      • 1...Kb5!
    • 1.Qf6?
      • 1...Kb4
        • 2.Qb6#
      • 1...Kb5!
    • 1.Qg6?
      • 1...Kb4
        • 2.Qb6#
      • 1...Kb5!
    • 1.Qh6?
      • 1...Kb4
        • 2.Qb6#
      • 1...Kb5!
  • Keys
    • 1.d4!
      • 1...Kb4
        • 2.Qc5#

FEATURES

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