MESON Chess Problem Database

Problem Display
PID: 175708 (8/5p2/2P2P1p/4k2p/5N1P/1QN4P/1B1P2P1/K7 w - - 0 1)

Hintzpeter, Julius

Deutsches Wochenschach, 1898

8/5p2/2P2P1p/4k2p/5N1P/1QN4P/1B1P2P1/K7

#2

11 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qd5#
  • Tries
    • 1.Sce2+?
      • 1...Ke4
        • 2.Qc2#
        • 2.Qd5#
        • 2.Qd3#
      • 1...Kf5
        • 2.Qc2#
        • 2.Qd5#
        • 2.Qd3#
      • 1...Kd6!
    • 1.Scd5+?
      • 1...Ke4
        • 2.Qc2#
        • 2.Qd3#
      • 1...Kf5
        • 2.Qc2#
        • 2.Qd3#
      • 1...Kd6!
    • 1.Qd5+?
      • 1...Kxf4
        • 2.Se2#
      • 1...Kxf6!
    • 1.Qe6+?
      • 1...Kd4
        • 2.Sa4#
        • 2.Se4#
        • 2.Qd5#
      • 1...Kxf4
        • 2.Se2#
      • 1...fxe6!
  • Keys
    • 1.Qc2!
      • 1...Kd4
        • 2.Sb1#
        • 2.Sd1#
        • 2.Sa2#
        • 2.Sce2#
        • 2.Sa4#
        • 2.Se4#
        • 2.Sb5#
        • 2.Scd5#
      • 1...Kxf4
        • 2.Se2#
      • 1...Kd6
        • 2.Sb5#
      • 1...Kxf6
        • 2.Scd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(a);S_FLIGHT::QAR1(E)
  • Tries
    • Try
      • S(F);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(F);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);S_FLIGHT,XS(H)::S(F)
      • Refutation
        • K(a);S_FLIGHT,XP(K)
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);S_FLIGHT,XS(H)::S(F)
      • Refutation
        • P(d);XQ(E)
  • Actual
    • Q(E);
    • Vars
      • K(a);S_FLIGHT,XS(H)::S(F)
      • K(a);S_FLIGHT::S(F)
      • K(a);S_FLIGHT,XP(K)::B(B)+S(F),DCHECK
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