MESON Chess Problem Database

Problem Display
PID: 189451 (2Q5/7p/5P1P/3KN1k1/8/6Pp/7P/8 w - - 0 1)

Palitzsch, Friedrich Martin

Akademische Monatshefte fur Schach, 1911

2Q5/7p/5P1P/3KN1k1/8/6Pp/7P/8

#2

7 + 3

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Sg4?
      • 1...Kh5
        • 2.Qf5#
      • 1...Kg6!
    • 1.Sf7+?
      • 1...Kh5
        • 2.Qf5#
      • 1...Kxf6
        • 2.Qe6#
      • 1...Kg6!
    • 1.Qg4+?
      • 1...Kxh6
        • 2.Sf7#
        • 2.Qh4#
      • 1...Kxf6!
    • 1.Qf5+?
      • 1...Kxh6
        • 2.Sg4#
        • 2.Sf7#
      • 1...Kxf5!
    • 1.Qc4?
      • 1...Kf5
        • 2.Qf4#
      • 1...Kh5
        • 2.Qh4#
      • 1...Kxh6
        • 2.Qh4#
      • 1...Kxf6!
  • Keys
    • 1.g4!
      • 1...Kf4
        • 2.Qc1#
      • 1...Kh4
        • 2.Sf3#
      • 1...Kxf6
        • 2.Qd8#
      • 1...Kxh6
        • 2.Qc1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Vars
        • K(b);P-FLIGHT::QAR2(G)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • S(D);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR2(G)
        • K(b);S_FLIGHT,XP(E)::QAR1(G)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(G);CHECK
      • Refutation
        • K(b);S_FLIGHT,XP(E)
    • Try
      • Q(G);CHECK
      • Refutation
        • K(b);P-FLIGHT,XQ(G)
    • Try
      • Q(G);
      • Vars
        • K(b);P-FLIGHT::QAR1(G)
        • K(b);S_FLIGHT,XP(F)::QAR2(G)
      • Refutation
        • K(b);S_FLIGHT,XP(E)
  • Actual
    • P(B);
    • Vars
      • K(b);S_FLIGHT::QAB(G)
      • K(b);S_FLIGHT::S(D)
      • K(b);OGATEB,S_FLIGHT,XP(E)::QAB(G)
      • K(b);S_FLIGHT,XP(F)::QAB(G)
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