MESON Chess Problem Database

Problem Display
PID: 171448 (K7/3kB3/8/3NR3/1p6/6Q1/8/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Shakh-M (Borovich), 1998

K7/3kB3/8/3NR3/1p6/6Q1/8/8

#2

5 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kc8
      • 2.Qh3#
      • 2.Qg4#
  • Tries
    • 1.Sb6+?
      • 1...Kc7
        • 2.Re6#
      • 1...Ke8
        • 2.Qg6#
        • 2.Qg8#
      • 1...Kc6!
    • 1.Qg6?
      • 1...Kc8
        • 2.Qf5#
        • 2.Qe8#
        • 2.Qg4#
        • 2.Qc6#
        • 2.Qe6#
      • 1...b3!
    • 1.Qg8?
      • 1...Kc6
        • 2.Qe8#
      • 1...b3!
  • Keys
    • 1.Qb3!
      • 1...Kc6
        • 2.Qa4#
      • 1...Kc8
        • 2.Qh3#
      • 1...Ke8
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB(A)+R(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Refutation
        • P(a);
    • Try
      • Q(A);
      • Vars
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • P(a);
  • Actual
    • Q(A);
    • Vars
      • K(b);S_FLIGHT::QAB(A)
      • K(b);S_FLIGHT::S(B)
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