MESON Chess Problem Database

Problem Display
PID: 171300 (4K3/8/8/1N1Pk3/1P6/8/6Q1/4B3 w - - 0 1)

Antipov, Viacheslav Pavlovich

Mora Tidning, 1988

4K3/8/8/1N1Pk3/1P6/8/6Q1/4B3

#2

6 + 1

5454 Near Snap 2018
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Bd2?
      • 1...Kf6
        • 2.Qg5#
      • 1...Kf5!
    • 1.Qg4?
      • 1...Kf6
        • 2.Bc3#
      • 1...Kxd5!
  • Keys
    • 1.Sd6!
      • 1...Kd4
        • 2.Qe4#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kxd6
        • 2.Bg3#
      • 1...Kf6
        • 2.Bc3#

Anticipated by 208794(1876), 170471(1951), 24220(1983)

This anticipates 47813(1998), 16167(2000), 26009(2001)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT,XP(E)
  • Actual
    • S(D);
    • Vars
      • K(a);S_FLIGHT::QAR1(B)
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);S_FLIGHT,XS(D)::B(A)
      • K(a);S_FLIGHT::B(A)
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