MESON Chess Problem Database

Problem Display
PID: 200656 (8/8/8/3P2BB/6K1/1b6/1p1R2Pp/nrk5 w - - 0 1)

Lindgren, Bo Waldemar

Stella Polaris, 1967

8/8/8/3P2BB/6K1/1b6/1p1R2Pp/nrk5

#2

6 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1+
      • 2.Re2#
    • 1...Bc2
      • 2.Rd3#
      • 2.Rd4#
  • Tries
    • 1.Kg3?
      • threat
        • 2.Rf2#
      • 1...Sc2
        • 2.Rd1#
      • 1...h1S+!
    • 1.Bg6?
      • threat
        • 2.Rd4#
      • 1...Bd1+
        • 2.Re2#
      • 1...Sc2!
  • Keys
    • 1.Kf5!
      • threat
        • 2.Rf2#
      • 1...Bc2+
        • 2.Rd3#
      • 1...Sc2
        • 2.Rd1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(f);CHECK,SBLOCK::B(E)+R(A)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Threat
        • B(E)+R(A)
      • Vars
        • S(a);SBLOCK::B(E)+R(A),DCHECK
      • Refutation
        • P(e);CHECK
    • Try
      • B(F);
      • Threat
        • B(E)+R(A)
      • Vars
        • B(f);CHECK,SBLOCK::B(E)+R(A)
      • Refutation
        • S(a);
  • Actual
    • K(C);S_FLIGHT
    • Threat
      • B(E)+R(A)
    • Vars
      • B(f);CHECK,SBLOCK::B(E)+R(A)
      • S(a);SBLOCK::B(E)+R(A),DCHECK
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