MESON Chess Problem Database

Problem Display
PID: 227693 (8/8/8/8/6p1/4p1p1/2Q3K1/4k3 w - - 0 1)

Schiffert, Gyorgy

Magyar Sakkvilag, 1926

8/8/8/8/6p1/4p1p1/2Q3K1/4k3

#2

2 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...e2
      • 2.Qc1#
  • Tries
    • 1.Kg1?
      • 1...e2
        • 2.Qc1#
      • 1...g2!
    • 1.Qb2?
      • 1...e2
        • 2.Qc1#
      • 1...Kd1!
  • Keys
    • 1.Kxg3!
      • 1...Kf1
        • 2.Qd1#
      • 1...e2
        • 2.Qc1#

FEATURES

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