MESON Chess Problem Database

Problem Display
PID: 173179 (K2B3N/2p5/1Q1R3p/1R2P2k/4N3/5b2/7P/3B1r2 w - - 0 1)

Morse, Christopher Jeremy

Problem Observer, 2006

K2B3N/2p5/1Q1R3p/1R2P2k/4N3/5b2/7P/3B1r2

#2

10 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Bxf3#
    • 1...Rh1
      • 2.Bxf3#
    • 1...Bg4
      • 2.Sg3#
      • 2.Rxh6#
  • Tries
    • 1.Qg1?
      • threat
        • 2.Qg6#
      • 1...Bg4
        • 2.Sg3#
        • 2.Bxg4#
        • 2.Qxg4#
      • 1...Rxg1!
  • Keys
    • 1.h3!
      • threat
        • 2.Rxh6#
      • 1...cxb6
        • 2.e6#
      • 1...cxd6
        • 2.exd6#
      • 1...c6
        • 2.Sg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(a);N_GUARD::B(A),XB(b)
  • Tries
    • Try
      • Q(F);
      • Threat
        • QAB1(F)
      • Refutation
        • R(a);XQ(F)
  • Actual
    • P(B);
    • Threat
      • R1(G),XP(d)
    • Vars
      • P(e);N_GUARD,XQ(F)::R(D)+P(E)
      • P(e);OGATE,XR(G)::R(D)+P(E),XP(e)
      • P(e);N_PINS(C)::S(C)
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