MESON Chess Problem Database

Problem Display
PID: 9507 (5Q2/1R6/4p3/2p1p1p1/2p1k1P1/3p3P/3P3P/3K4 w - - 0 1)

Kohnlein, Friedrich

Tagliche Rundschau, 1904

5Q2/1R6/4p3/2p1p1p1/2p1k1P1/3p3P/3P3P/3K4

#2

7 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Qf3+?
      • 1...Kd4
        • 2.Rd7#
      • 1...Kxf3!
  • Keys
    • 1.Qa8!
      • 1...Kf3
        • 2.Rf7#
      • 1...Kd4
        • 2.Rd7#
      • 1...Kf4
        • 2.Rf7#
      • 1...Kd5
        • 2.Rd7#
      • 1...c3
        • 2.Rb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • K(c);P-FLIGHT::R(F)
      • Refutation
        • K(c);S_FLIGHT,XQ(G)
  • Actual
    • Q(G);
    • Vars
      • K(c);S_FLIGHT::QAB(G)+R(F),DCHECK
      • K(c);P-FLIGHT::R(F)
      • P(b);::QAB(G)+R(F),DCHECK
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