MESON Chess Problem Database

Problem Display
PID: 249380 (8/8/8/1Q3p2/3k4/8/3B3N/3K4 w - - 0 1)

Lokker, Miklosh S

Deutsche Schachzeitung, 1969

8/8/8/1Q3p2/3k4/8/3B3N/3K4

#2

4 + 2

6490 yacpdb 2021
5454 Near Snap 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Qc6?
      • 1...Kd3
        • 2.Qd5#
      • 1...Ke5
        • 2.Sf3#
      • 1...f4!
  • Keys
    • 1.Bf4!
      • 1...Kc3
        • 2.Be5#
      • 1...Ke4
        • 2.Qc4#

Anticipated by 207488(1871)

This anticipates 47869(2003), 243137(2018)

FEATURES

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