MESON Chess Problem Database

Problem Display
PID: 121088 (3b4/8/8/3K4/3N4/8/2RPR3/3k4 w - - 0 1)

Niemeijer, Meindert

Inspanning en Ontspanning, 1969

3b4/8/8/3K4/3N4/8/2RPR3/3k4

#2

5 + 2

6490 yacpdb 2009
5454 Near Snap 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Rg2?
      • threat
        • 2.Rg1#
      • 1...Ke1
        • 2.Rc1#
      • 1...Bh4!
    • 1.Rh2?
      • threat
        • 2.Rh1#
      • 1...Ke1
        • 2.Rc1#
      • 1...Bh4!
  • Keys
    • 1.Ra2!
      • threat
        • 2.Ra1#
      • 1...Kc1
        • 2.Re1#

This anticipates 85324(1989)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Threat
        • R(C)
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • B(b);
    • Try
      • R(C);
      • Threat
        • R(C)
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • B(b);
  • Actual
    • R(A);
    • Threat
      • R(A)
    • Vars
      • K(a);P-FLIGHT::R(C)
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