MESON Chess Problem Database

Problem Display
PID: 175549 (b7/8/8/8/8/8/3RR3/k2K4 w - - 0 1)

Scriven, B

100 Chess Problems for the Novice and..., 1900

b7/8/8/8/8/8/3RR3/k2K4

#2

3 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Ke1?
      • threat
        • 2.Rd1#
      • 1...Kb1
        • 2.Rd1#
      • 1...Be4!
    • 1.Rc2?
      • threat
        • 2.Rc1#
      • 1...Kb1
        • 2.Rc1#
      • 1...Be4!
  • Keys
    • 1.Ra2+!
      • 1...Kb1
        • 2.Reb2#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Threat
        • R(B)
      • Vars
        • K(a);P-FLIGHT::R(B)
      • Refutation
        • B(b);
    • Try
      • R(B);
      • Threat
        • R(B)
      • Vars
        • K(a);P-FLIGHT::R1(B)
      • Refutation
        • B(b);
  • Actual
    • R(B);CHECK
    • Vars
      • K(a);P-FLIGHT::R1(C)
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