MESON Chess Problem Database

Problem Display
PID: 7682 (8/8/8/8/2N3NK/3Q4/r5P1/4k3 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

The Problemist, 1992

8/8/8/8/2N3NK/3Q4/r5P1/4k3

#2

5 + 2

2838 Fun with Chess Miniatures 1996
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Re2
      • 2.Qb1#
  • Tries
    • 1.Sge3?
      • threat
        • 2.Qf1#
      • 1...Kf2
        • 2.Qf1#
      • 1...Rf2
        • 2.Qd1#
      • 1...Re2!
  • Keys
    • 1.Sce3!
      • threat
        • 2.Qd1#
      • 1...Ra1
        • 2.Sc2#
      • 1...Rd2
        • 2.Qf1#

This anticipates 243834(2004)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(b);SBLOCK::QAR(B)
  • Tries
    • Try
      • S(D);
      • Threat
        • QAR1(B)
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
        • R(b);SBLOCK::QAR1(B)
      • Refutation
        • R(b);
  • Actual
    • S(C);
    • Threat
      • QAR1(B)
    • Vars
      • R(b);N_GUARD::S(C)
      • R(b);SBLOCK::QAR1(B)
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