MESON Chess Problem Database

Problem Display
PID: 55078 (7R/7B/br1pN2k/rQ6/2p4P/p7/4K3/b7 w - - 0 1)

Burger, Robert Eugene

The Problemist Supplement, 2004

7R/7B/br1pN2k/rQ6/2p4P/p7/4K3/b7

#2

6 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Ra4
      • 2.Qg5#
    • 1...c3
      • 2.Bb1#
      • 2.Bc2#
      • 2.Bd3#
      • 2.Be4#
      • 2.Bf5#
  • Keys
    • 1.Qe8!
      • threat
        • 2.Qg6#
      • 1...Re5+
        • 2.Be4#
      • 1...Rb2+
        • 2.Bc2#
      • 1...c3+
        • 2.Bd3#
      • 1...Rg5
        • 2.hxg5#

This is after 9498

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • R(d);N_GUARD::QAB1(C)
  • Actual
    • Q(C);
    • Threat
      • QAR1(C)
    • Vars
      • R(d);CHECK,S_CUTB(a)::R(F)+B(E)
      • R(f);CHECK,S_CUTB(a)::R(F)+B(E)
      • P(c);CHECK,S_CUTB(a)::R(F)+B(E)
      • R(d);OGATE::P(B),XR(d)
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