MESON Chess Problem Database

Problem Display
PID: 171363 (8/8/8/5p2/5K2/1B6/4k3/6Q1 w - - 0 1)

Antipov, Viacheslav Pavlovich

Temp-64 (Nikolaev), 1995

8/8/8/5p2/5K2/1B6/4k3/6Q1

#2

3 + 2

5454 Near Snap 2018
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kd2
      • 2.Qe3#
    • 1...Kd3
      • 2.Qe3#
  • Tries
    • 1.Ba4?
      • 1...Kd2
        • 2.Qe3#
      • 1...Kd3!
    • 1.Qf2+?
      • 1...Kd3
        • 2.Qe3#
      • 1...Kxf2!
    • 1.Qc1?
      • 1...Kd3
        • 2.Qe3#
      • 1...Kf2!
    • 1.Qe1+?
      • 1...Kd3
        • 2.Qe3#
      • 1...Kxe1!
  • Keys
    • 1.Qg3!
      • 1...Kf1
        • 2.Bc4#
      • 1...Kd2
        • 2.Qe3#

Anticipated by 22344(1984)

There are these versions: 161762

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(a);P-FLIGHT::QAB1(A)
    • K(a);S_FLIGHT::QAR1(A)
  • Tries
    • Try
      • B(B);
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::B(B)
      • K(a);P-FLIGHT::QAB1(A)
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