MESON Chess Problem Database

Problem Display
PID: 227728 (b2Q4/1k6/8/1K6/8/8/8/8 w - - 0 1)

Schiffert, Gyorgy

Magyar Sakkvilag, 1926

b2Q4/1k6/8/1K6/8/8/8/8

#2

2 + 2

3713 Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ka7
      • 2.Qb6#
  • Tries
    • 1.Ka5?
      • 1...Ka7
        • 2.Qb6#
      • 1...Kc6!
    • 1.Qd6?
      • 1...Ka7
        • 2.Qb6#
      • 1...Kc8!
  • Keys
    • 1.Kc5!
      • 1...Ka6
        • 2.Qb6#
        • 2.Qxa8#
      • 1...Ka7
        • 2.Qb6#

Anticipated by 205549(1925)

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAB1(B)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(A);P-FLIGHT
    • Vars
      • K(a);P-FLIGHT::QAB1(B)
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