MESON Chess Problem Database

Problem Display
PID: 178748 (8/8/8/1K1kbB2/8/8/8/4Q3 w - - 0 1)

Pflughaupt, Wilfried

Springaren, 1955

8/8/8/1K1kbB2/8/8/8/4Q3

#2

3 + 2

6490 yacpdb 2018
5454 Near Snap 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qd2#
    • 1...Bd4
      • 2.Qe6#
    • 1...Bd6
      • 2.Qe4#
  • Tries
    • 1.Qb4?
      • threat
        • 2.Qc5#
      • 1...Bd6
        • 2.Qe4#
      • 1...Bd4!
  • Keys
    • 1.Qe3!
      • threat
        • 2.Qc5#
      • 1...Kd6
        • 2.Qc5#
      • 1...Bd4
        • 2.Qe6#
      • 1...Bd6
        • 2.Be6#
        • 2.Qe4#

Anticipated by 2014(1858)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • K(a);P-FLIGHT::QAR2(A)
    • B(b);OGATE,SBLOCK::QAB1(A)
    • B(b);SBLOCK::QAB1(A)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • B(b);SBLOCK::QAB1(A)
      • Refutation
        • B(b);
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • K(a);P-FLIGHT::QAB1(A)
      • B(b);OGATE,SBLOCK::QAB1(A)
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