MESON Chess Problem Database

Problem Display
PID: 165528 (8/3Q4/2K5/2B3kp/8/8/6NP/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Schach-WW, 1998

8/3Q4/2K5/2B3kp/8/8/6NP/8

#2

5 + 2

5454 Near Snap 2017
15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Qf5+?
      • 1...Kh6
        • 2.Bf8#
      • 1...Kxf5!
  • Keys
    • 1.Sh4!
      • 1...Kf4
        • 2.Qf5#
      • 1...Kxh4
        • 2.Be7#
      • 1...Kf6
        • 2.Qe7#
      • 1...Kh6
        • 2.Be3#

Anticipated by 208794(1876), 121390(1908), 23345(1927), 22287(1934), 22386(1934), 170471(1951), 170476(1953), 24220(1983), 211347(1986), 23874(1996), 47813(1998)

This anticipates 16167(2000), 26009(2001)

This is a version of 171470

FEATURES

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