MESON Chess Problem Database

Problem Display
PID: 92232 (2N5/3p4/1p1Pp3/1p1k4/1P6/3K4/8/2Q5 w - - 0 1)

von Klett, Maximilian Phillipp Friedrich

Philipp Klett`s Schachprobleme, 1878

2N5/3p4/1p1Pp3/1p1k4/1P6/3K4/8/2Q5

#2

5 + 5

6490 yacpdb 2009
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qg5#
  • Tries
    • 1.Sxb6+?
      • 1...Kxd6
        • 2.Qc5#
      • 1...Ke5!
    • 1.Qb2?
      • 1...Kc6
        • 2.Qg2#
      • 1...e5!
    • 1.Qd2?
      • 1...Ke5
        • 2.Qg5#
      • 1...Kc6
        • 2.Qg2#
      • 1...e5!
    • 1.Qe3?
      • threat
        • 2.Qe4#
      • 1...Kc6
        • 2.Qf3#
        • 2.Qe4#
      • 1...e5!
    • 1.Qf4?
      • threat
        • 2.Se7#
        • 2.Qe4#
      • 1...Kc6
        • 2.Qf3#
        • 2.Qe4#
      • 1...e5!
    • 1.Qg5+?
      • 1...Kc6
        • 2.Qg2#
      • 1...e5!
    • 1.Qa1?
      • 1...Kc6
        • 2.Qh1#
        • 2.Qa8#
      • 1...e5!
    • 1.Qe1?
      • threat
        • 2.Qe4#
      • 1...Kc6
        • 2.Qh1#
        • 2.Qe4#
      • 1...e5!
    • 1.Qg1?
      • 1...Ke5
        • 2.Qg5#
      • 1...Kc6
        • 2.Qh1#
        • 2.Qg2#
      • 1...e5!
  • Keys
    • 1.Qh6!
      • 1...Ke5
        • 2.Qg5#
      • 1...Kc6
        • 2.Qh1#
      • 1...e5
        • 2.Se7#

This anticipates 196893(1919)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR2(A)
  • Tries
    • Try
      • S(E);CHECK,XP(c)
      • Vars
        • K(b);P-FLIGHT,XP(D)::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • P(d);
    • Try
      • Q(A);
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • P(d);
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Refutation
        • P(d);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Refutation
        • P(d);
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • P(d);P_SPINP(d)
    • Try
      • Q(A);
      • Refutation
        • P(d);
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Refutation
        • P(d);
    • Try
      • Q(A);
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(d);
  • Actual
    • Q(A);
    • Vars
      • K(b);P-FLIGHT::QAR2(A)
      • K(b);S_FLIGHT::QAB(A)
      • P(d);SBLOCK::S(E)
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