MESON Chess Problem Database

Problem Display
PID: 10900 (4N3/8/8/5P2/4k1BK/8/3Q4/8 w - - 0 1)

Lokker, Miklosh S

Sidorenko, A Peter

Shakhmaty v SSSR, 1969

4N3/8/8/5P2/4k1BK/8/3Q4/8

#2

5 + 1

3296 Shakhmatny zadachi miniaturi 1987
3813 300 Sachmatu Uzdaviniu 1991
5454 Near Snap 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bh3?
      • 1...Kf3
        • 2.Bg2#
      • 1...Ke5!
  • Keys
    • 1.Qc3!
      • 1...Kf4
        • 2.Qd4#
      • 1...Kd5
        • 2.Bf3#

Anticipated by 144366(1898), 202255(1923), 227759(1926), 231086(1927), 22919(1966)

This anticipates 11738(1971), 214870(1973), 219454(1989)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::B(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);P-FLIGHT::QAR2(A)
      • K(a);S_FLIGHT::B(B)
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