MESON Chess Problem Database

Problem Display
PID: 223485 (2B5/6Q1/8/8/2k1N3/B4P2/8/2K5 w - - 0 1)

Rosenkilde, D Harry

Funkschach, 1926

2B5/6Q1/8/8/2k1N3/B4P2/8/2K5

#2

6 + 1

5454 Near Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qc3+?
      • 1...Kd5
        • 2.Sf6#
        • 2.Qc5#
      • 1...Kb5!
  • Keys
    • 1.Qa7!
      • 1...Kb3
        • 2.Be6#
      • 1...Kd3
        • 2.Ba6#
      • 1...Kb5
        • 2.Qa6#
      • 1...Kd5
        • 2.Qc5#

Anticipated by 2475(0000), 5102(1899)

This anticipates 164208(1988), 157940(1993), 104591(1999), 169618(2002), 171073(2002), 79157(2004), 153216(2011)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(a);S_FLIGHT::B(F)
      • K(a);S_FLIGHT::QAB1(E)
      • K(a);S_FLIGHT::QAR1(E)
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