MESON Chess Problem Database

Problem Display
PID: 227687 (8/8/6p1/3p2K1/3pk3/6Q1/6P1/8 w - - 0 1)

Schiffert, Gyorgy

Magyar Sakkvilag, 1926

8/8/6p1/3p2K1/3pk3/6Q1/6P1/8

#2

3 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...d3
      • 2.Qf4#
  • Tries
    • 1.Kg4?
      • 1...d3
        • 2.Qf4#
      • 1...g5!
    • 1.Qa3?
      • 1...Ke5
        • 2.Qe7#
      • 1...d3!
  • Keys
    • 1.Kf6!
      • threat
        • 2.Qf3#
      • 1...d3
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(a);SBLOCK::QAR1(B)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • P(a);SBLOCK::QAR1(B)
      • Refutation
        • P(d);
    • Try
      • Q(B);
      • Vars
        • K(b);P-FLIGHT::QAR2(B)
      • Refutation
        • P(a);
  • Actual
    • K(C);S_FLIGHT
    • Threat
      • QAB1(B)
    • Vars
      • P(a);SBLOCK::QAR1(B)
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