MESON Chess Problem Database

Problem Display
PID: 227468 (8/8/8/K1k5/8/6B1/6Q1/5B2 w - - 0 1)

Roscher, Willy

Meissner Volkszeitung, 1926

8/8/8/K1k5/8/6B1/6Q1/5B2

#2

4 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qb2?
      • 1...Kc6
        • 2.Qb5#
      • 1...Kd5!
    • 1.Qc2+?
      • 1...Kd5
        • 2.Qc4#
      • 1...Kd4!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Qc4#
      • 1...Kd4
        • 2.Qe5#
      • 1...Kd5
        • 2.Qc4#
      • 1...Kc6
        • 2.Qb5#

FEATURES

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