MESON Chess Problem Database

Problem Display
PID: 194213 (8/7K/3Q4/6kp/5N2/7p/8/8 w - - 0 1)

Palitzsch, Friedrich Martin

Deutsches Wochenschach, 1917

8/7K/3Q4/6kp/5N2/7p/8/8

#2

3 + 3

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Se2?
      • threat
        • 2.Qf4#
      • 1...Kg4
        • 2.Qf4#
      • 1...Kh4
        • 2.Qg3#
        • 2.Qf4#
      • 1...h4
        • 2.Qg6#
      • 1...Kf5!
    • 1.Sd5?
      • threat
        • 2.Qf4#
      • 1...Kg4
        • 2.Qf4#
      • 1...Kh4
        • 2.Qf4#
      • 1...h4
        • 2.Qg6#
      • 1...Kf5!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Qf4#
      • 1...Kg4
        • 2.Qf4#
      • 1...Kh4
        • 2.Qf4#
      • 1...Kf5
        • 2.Qg6#
      • 1...h4
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • QAB1(B)
      • Vars
        • K(b);P-FLIGHT::QAR1(B)
        • P(c);SBLOCK::QAR1(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • S(A);
      • Threat
        • QAB1(B)
      • Vars
        • K(b);P-FLIGHT::QAR1(B)
        • K(b);S_FLIGHT::QAR2(B)
        • P(c);SBLOCK::QAR1(B)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(A);
    • Threat
      • QAB1(B)
    • Vars
      • K(b);P-FLIGHT::QAR1(B)
      • K(b);S_FLIGHT::QAR2(B)
      • K(b);P-FLIGHT::QAB1(B)
      • P(c);SBLOCK::QAR1(B)
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