MESON Chess Problem Database

Problem Display
PID: 5988 (8/8/3p4/3Bk2p/1K5P/5Q2/8/8 w - - 0 1)

Brunner, Erich Anselm

Sp. Prize, Chemnitzer Wochenschach (Allgemeine Zeitung Chemnitz), 1926

8/8/3p4/3Bk2p/1K5P/5Q2/8/8

#2

4 + 3

273 Mat Plus 1995
5454 Near Snap 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qe4#
  • Tries
    • 1.Bc4?
      • 1...Kd4
        • 2.Qf4#
      • 1...d5!
    • 1.Qxh5+?
      • 1...Kf4
        • 2.Qg5#
      • 1...Kf6
        • 2.Qg5#
      • 1...Kd4!
    • 1.Qe3+?
      • 1...Kf5
        • 2.Qg5#
      • 1...Kf6
        • 2.Qg5#
      • 1...Kxd5!
    • 1.Qf5+?
      • 1...Kd4
        • 2.Qe4#
      • 1...Kxf5!
  • Keys
    • 1.Qg2!
      • 1...Kd4
        • 2.Qe4#
      • 1...Kf4
        • 2.Qg5#
      • 1...Kf5
        • 2.Qg5#
      • 1...Kf6
        • 2.Qg5#

Anticipated by 2160(0000), 115455(1911), 17214(1925-1926)

This anticipates 227834(1926)

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR1(A)
  • Tries
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);CHECK,XP(b)
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT,XB(D)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::QAR1(A)
      • K(a);S_FLIGHT::QAB1(A)
      • K(a);P-FLIGHT::QAR1(A)
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