MESON Chess Problem Database

Problem Display
PID: 224725 (8/6N1/2P3P1/KPpk4/3p1Q2/8/3PP3/8 w - - 0 1)

L'Hermet, Johann Georg Rudolf

Deutsche Schachzeitung, 1888

8/6N1/2P3P1/KPpk4/3p1Q2/8/3PP3/8

#2

8 + 3

5454 Near Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qf7#
  • Tries
    • 1.Qe5+?
      • 1...Kc4
        • 2.Qe6#
      • 1...Kxe5!
    • 1.Qe4+?
      • 1...Kc4
        • 2.Qe6#
      • 1...Kd6
        • 2.Se8#
      • 1...Kxe4!
    • 1.Qf5+?
      • 1...Kc4
        • 2.Qe6#
        • 2.Qf7#
      • 1...Kd6!
  • Keys
    • 1.Se8!
      • 1...Kc4
        • 2.Qf7#
      • 1...Ke6
        • 2.Qe4#
      • 1...d3
        • 2.Sc7#
      • 1...c4
        • 2.Qf5#

Anticipated by 218459(1882)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);P_SPINP(a),S_FLIGHT::QAB(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB(C)
      • Refutation
        • K(c);P-FLIGHT,XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);P_SPINP(a),S_FLIGHT::QAB(C)
        • K(c);P-FLIGHT::S(H)
      • Refutation
        • K(c);S_FLIGHT,XQ(C)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • S(H);
    • Vars
      • K(c);P_SPINP(a),S_FLIGHT::QAB(C)
      • K(c);S_FLIGHT::QAR2(C)
      • P(a);::S(H)
      • P(b);SBLOCK::QAR2(C)
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