MESON Chess Problem Database

Problem Display
PID: 203648 (8/8/4Q3/8/1k6/4B3/1P6/K7 w - - 0 1)

Massmann, Wilhelm Karl Heinrich

Schlesische Zeitung, 1924

8/8/4Q3/8/1k6/4B3/1P6/K7

#2

4 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Bb6?
      • 1...Ka4
        • 2.Qc4#
      • 1...Kb5!
    • 1.Qc6?
      • 1...Ka5
        • 2.Bd2#
      • 1...Kb3!
  • Keys
    • 1.b3!
      • 1...Ka3
        • 2.Bc5#
      • 1...Kc3
        • 2.Qc4#
      • 1...Ka5
        • 2.Qb6#
      • 1...Kb5
        • 2.Qb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT::QAR2(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(B);
    • Vars
      • K(a);S_FLIGHT::B(C)
      • K(a);S_FLIGHT::QAR1(D)
      • K(a);S_FLIGHT::QAB1(D)
      • K(a);P-FLIGHT::QAR1(D)
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