MESON Chess Problem Database

Problem Display
PID: 138400 (8/8/8/1R6/8/1K6/8/1k6 w - - 0 1)

Jespersen, Karl Lorenz Jesper

Vor Tid, 1883

8/8/8/1R6/8/1K6/8/1k6

#2

2 + 1

23 Die Schwalbe 2010
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rd5?
      • threat
        • 2.Rd1#
      • 1...Ka1
        • 2.Rd1#
      • 1...Kc1!
    • 1.Re5?
      • threat
        • 2.Re1#
      • 1...Ka1
        • 2.Re1#
      • 1...Kc1!
    • 1.Rf5?
      • threat
        • 2.Rf1#
      • 1...Ka1
        • 2.Rf1#
      • 1...Kc1!
    • 1.Rg5?
      • threat
        • 2.Rg1#
      • 1...Ka1
        • 2.Rg1#
      • 1...Kc1!
    • 1.Rh5?
      • threat
        • 2.Rh1#
      • 1...Ka1
        • 2.Rh1#
      • 1...Kc1!
  • Keys
    • 1.Rc5!
      • 1...Ka1
        • 2.Rc1#

This anticipates 231074(1927)

FEATURES

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