MESON Chess Problem Database

Problem Display
PID: 206716 (8/2p5/1pB1k1P1/1K4Q1/8/8/8/8 w - - 0 1)

Schiffert, Gyorgy

Magyar Sakkvilag, 1925

8/2p5/1pB1k1P1/1K4Q1/8/8/8/8

#2

4 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Qf6#
  • Tries
    • 1.Kb4?
      • 1...Kd6
        • 2.Qf6#
      • 1...b5!
    • 1.Kc4?
      • 1...Kd6
        • 2.Qf6#
      • 1...b5+!
  • Keys
    • 1.g7!
      • 1...Kd6
        • 2.Qf6#
      • 1...Kf7
        • 2.g8Q#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR2(B)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR2(B)
      • Refutation
        • P(a);
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR2(B)
      • Refutation
        • P(a);CHECK
  • Actual
    • P(D);
    • Vars
      • K(b);P-FLIGHT::QAR2(B)
      • K(b);S_FLIGHT::P=Q
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