MESON Chess Problem Database

Problem Display
PID: 196882 (4N3/8/1P1P2P1/3Pk3/7K/8/1PQ5/B7 w - - 0 1)

Freimann, Fritz

Schweizerische Schachzeitung, 1919

4N3/8/1P1P2P1/3Pk3/7K/8/1PQ5/B7

#2

9 + 1

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.b3+?
      • 1...Kxd5
        • 2.Qc4#
      • 1...Kf4!
  • Keys
    • 1.Sf6!
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qe4#
      • 1...Kxd6
        • 2.Qc7#
      • 1...Kxf6
        • 2.b3#
        • 2.b4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(B);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(E)::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(I);
    • Vars
      • K(a);S_FLIGHT::QAB1(C)
      • K(a);S_FLIGHT::QAR1(C)
      • K(a);OGATEB,S_FLIGHT,XP(G)::QAB1(C)
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