MESON Chess Problem Database

Problem Display
PID: 102146 (3n3B/6R1/5kN1/4R3/8/5K2/8/8 w - - 0 1)

Giobel, Bengt Rudolf

Svenska Dagbladet, 1927

3n3B/6R1/5kN1/4R3/8/5K2/8/8

#2

5 + 2

3713 Snap 2009
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sh4?
      • threat
        • 2.Ra7#
        • 2.Rb7#
        • 2.Rc7#
        • 2.Rd7#
        • 2.Rge7#
        • 2.Rh7#
      • 1...Se6
        • 2.Rf5#
      • 1...Sb7
        • 2.Rxb7#
        • 2.Rc7#
        • 2.Rd7#
        • 2.Rge7#
        • 2.Rh7#
      • 1...Sf7
        • 2.Rg6#
      • 1...Kxe5!
    • 1.Sf8?
      • threat
        • 2.Sd7#
        • 2.Ra7#
        • 2.Rb7#
        • 2.Rc7#
        • 2.Rd7#
        • 2.Rge7#
        • 2.Rh7#
      • 1...Se6
        • 2.Sd7#
      • 1...Sb7
        • 2.Sd7#
        • 2.Rxb7#
        • 2.Rc7#
        • 2.Rd7#
        • 2.Rge7#
        • 2.Rh7#
      • 1...Sf7
        • 2.Sd7#
        • 2.Rg6#
      • 1...Kxe5!
  • Keys
    • 1.Se7!
      • threat
        • 2.Rh7#
      • 1...Kxe5
        • 2.Rg6#
      • 1...Se6
        • 2.Rf5#
      • 1...Sf7
        • 2.Rg6#

Anticipated by 6035(1926)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(6)
      • Vars
        • S(b);SBLOCK::R1(B)
        • S(b);SBLOCK::B(E)+R(D),DCHECK
      • Refutation
        • K(a);S_FLIGHT,XR(B)
    • Try
      • S(C);
      • Threat
        • DUALS(7)
      • Vars
        • S(b);::S(C)
      • Refutation
        • K(a);S_FLIGHT,XR(B)
  • Actual
    • S(C);
    • Threat
      • B(E)+R(D)
    • Vars
      • K(a);S_FLIGHT,XR(B)::B(E)+R(D)
      • S(b);SBLOCK::R1(B)
      • S(b);SBLOCK::B(E)+R(D),DCHECK
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