MESON Chess Problem Database

Problem Display
PID: 229316 (7b/B5Rp/1N4BQ/1K4p1/3k2rR/2N1p1Pn/1pPrP3/1b6 w - - 0 1)

Mosiashvili, Givi

The Macedonian Problemist, 2020

7b/B5Rp/1N4BQ/1K4p1/3k2rR/2N1p1Pn/1pPrP3/1b6

#2

11 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Bxg7
      • 2.Qxg7#
  • Tries
    • 1.Be4?
      • threat
        • 2.Qf6#
      • 1...Kxc3
        • 2.Sa4#
      • 1...Ke5
        • 2.Sc4#
      • 1...Bxg7
        • 2.Qxg7#
      • 1...Rf4!
  • Keys
    • 1.Bd3!
      • threat
        • 2.Qf6#
      • 1...Kxc3
        • 2.Sd5#
      • 1...Ke5
        • 2.Sd7#
      • 1...Bxg7
        • 2.Qxg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(j);OGATE,XR(K)::QAB(I),XB(j)
  • Tries
    • Try
      • B(H);N_PINR(g)
      • Threat
        • QAB(I)
      • Vars
        • K(f);S_FLIGHT,XS(C)::S(G)
        • K(f);S_FLIGHT::S(G)
        • B(j);OGATE,XR(K)::QAB(I),XB(j)
      • Refutation
        • R(g);
  • Actual
    • B(H);
    • Threat
      • QAB(I)
    • Vars
      • K(f);N_SPINR(g),S_FLIGHT,XS(C)::S(G)
      • K(f);N_SPINR(g),S_FLIGHT::S(G)
      • B(j);OGATE,XR(K)::QAB(I),XB(j)
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