MESON Chess Problem Database

Problem Display
PID: 230271 (8/2Kpp3/1pn4k/1r1Q4/3rBN2/8/6Nb/2B4R w - - 0 1)

Rober, Daryl

Variantim, 2006

8/2Kpp3/1pn4k/1r1Q4/3rBN2/8/6Nb/2B4R

#2

7 + 8

SOLUTION

  • SOUND
  • Tries
    • 1.Qg8?
      • threat
        • 2.Qg6#
      • 1...Rg5
        • 2.Qh7#
        • 2.Qh8#
      • 1...Se5
        • 2.Rxh2#
      • 1...Rd6!
  • Keys
    • 1.Qf7!
      • threat
        • 2.Qg6#
      • 1...Kg5
        • 2.Qg6#
        • 2.Qg7#
      • 1...Rd6
        • 2.Sd5#
      • 1...Rg5
        • 2.Qh7#
      • 1...Se5
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • S(e);N_PINS(E),S_CUTR(c)::R(B),XB(a)
      • Refutation
        • R(b);N_PINS(E)
  • Actual
    • Q(F);
    • Threat
      • QAR1(F)
    • Vars
      • R(b);N_PINS(E)::B(A)+S(E)
      • R(c);SBLOCK::QAR1(F)
      • S(e);N_PINS(E)::B(A)+S(E)
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