MESON Chess Problem Database

Problem Display
PID: 182608 (2Bb4/8/8/4Q3/7r/5p2/8/5K1k w - - 0 1)

Lincoln, Robert A

Problem Observer, 2015

2Bb4/8/8/4Q3/7r/5p2/8/5K1k

#2

3 + 4

5454 Near Snap 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Qg3!
      • threat
        • 2.Qg1#
      • 1...Rg4
        • 2.Qh3#
      • 1...Bb6
        • 2.Qxh4#
      • 1...f2
        • 2.Qg2#

Anticipated by 38183(1993), 232896(2005)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(B);
    • Threat
      • QAR1(B)
    • Vars
      • R(c);N_GUARD::QAR2(B)
      • B(d);N_GUARD::QAR(B),XR(c)
      • P(b);N_GUARD::QAB1(B)
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