MESON Chess Problem Database

Problem Display
PID: 169071 (4nN1k/4Nn2/R6B/3R4/8/8/B7/2K5 w - - 0 1)

Novitski, Petr Adrinovich

7th Place, SuperProblem 004. TT, 2012

4nN1k/4Nn2/R6B/3R4/8/8/B7/2K5

#2

7 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Rg6?
      • threat
        • 2.Rg8#
      • 1...Sf6
        • 2.Bg7#
      • 1...Sg7
        • 2.Bxg7#
      • 1...Sxh6!
  • Keys
    • 1.Rg5!
      • threat
        • 2.Rg8#
      • 1...Sxg5
        • 2.Seg6#
      • 1...Sxh6
        • 2.Rxh6#
      • 1...Sf6
        • 2.Bg7#
      • 1...Sg7
        • 2.Bxg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);
      • Threat
        • R1(D)
      • Vars
        • S(b);N_GUARD::B(E)
        • S(b);N_GUARD::B(E),XS(b)
      • Refutation
        • S(a);XB(E)
  • Actual
    • R(C);
    • Threat
      • R1(C)
    • Vars
      • S(a);XR(C)::S(F)
      • S(a);OGATE,XB(E)::R(D),XS(a)
      • S(b);N_GUARD::B(E)
      • S(b);N_GUARD::B(E),XS(b)
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