MESON Chess Problem Database

Problem Display
PID: 231133 (2b4Q/8/8/8/5p1B/5k2/3K1N2/8 w - - 0 1)

Lindgren, Frithiof

Chemnitzer Tageblatt, 1927

2b4Q/8/8/8/5p1B/5k2/3K1N2/8

#2

4 + 3

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bh3
      • 2.Qa8#
    • 1...Bg4
      • 2.Qa8#
  • Tries
    • 1.Qh5+?
      • 1...Bg4
        • 2.Qxg4#
        • 2.Qd5#
      • 1...Kg2!
  • Keys
    • 1.Qa1!
      • threat
        • 2.Qh1#
      • 1...Kg2
        • 2.Qh1#
      • 1...Bh3
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(c);OGATE::QAB(D)
  • Tries
    • Try
      • Q(D);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(D);
    • Threat
      • QAB(D)
    • Vars
      • K(a);S_FLIGHT::QAB1(D)
      • B(c);N_GUARD::QAB(D)
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