MESON Chess Problem Database

Problem Display
PID: 237703 (2B4r/6Q1/8/7k/8/8/6nP/6K1 w - - 0 1)

Kuzmichev, Vladimir Viktorovich

The Problemist, 1988

2B4r/6Q1/8/7k/8/8/6nP/6K1

#2

4 + 3

5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kh4
      • 2.Qg4#
    • 1...Rh6
      • 2.Qg4#
    • 1...Sh4
      • 2.Bg4#
  • Tries
    • 1.Qg6+?
      • 1...Kh4
        • 2.Qg4#
      • 1...Kxg6!
  • Keys
    • 1.h4!
      • threat
        • 2.Qg5#
      • 1...Kxh4
        • 2.Qg4#
      • 1...Sxh4
        • 2.Bg4#
      • 1...Rg8
        • 2.Qh7#

Anticipated by 78599(1986)

FEATURES

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