MESON Chess Problem Database

Problem Display
PID: 203506 (8/2K5/8/3kN3/1P6/6B1/p7/Q7 w - - 0 1)

Borkowski, Richard

Gelsenkirchener allgemeine Zeitung, 1924

8/2K5/8/3kN3/1P6/6B1/p7/Q7

#2

5 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qc3?
      • threat
        • 2.Qc4#
      • 1...Ke4
        • 2.Qd3#
      • 1...Ke6!
    • 1.Qd1+?
      • 1...Ke4
        • 2.Qd3#
      • 1...Ke6!
  • Keys
    • 1.Qf1!
      • threat
        • 2.Qc4#
      • 1...Kd4
        • 2.Qd3#
      • 1...Ke4
        • 2.Qd3#
      • 1...Ke6
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);P-FLIGHT::QAR1(A)
      • K(b);S_FLIGHT::QAB1(A)
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