MESON Chess Problem Database

Problem Display
PID: 193782 (8/1B6/1KN5/2P2p2/2p1kp2/2r1p1n1/4pn2/4N3 w - - 0 1)

Thelander, G

Aftonbladet, 1916

8/1B6/1KN5/2P2p2/2p1kp2/2r1p1n1/4pn2/4N3

#2

5 + 9

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Sb4+?
      • 1...Kd4
        • 2.Sf3#
      • 1...Ke5!
    • 1.Se5+?
      • 1...Kd4
        • 2.S1f3#
        • 2.S5f3#
      • 1...Kxe5!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Sb4#
        • 2.Sce5#
      • 1...Rb3+
        • 2.Sb4#
      • 1...Kd3
        • 2.Sb4#
      • 1...Kxf3
        • 2.Se5#
      • 1...Kd5
        • 2.Scd4#
        • 2.Sd8#
      • 1...Rd3
        • 2.Scd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(g);P-FLIGHT::S(A)
      • Refutation
        • K(g);P-FLIGHT
    • Try
      • S(D);CHECK
      • Refutation
        • K(g);P-FLIGHT,XS(D)
  • Actual
    • S(A);
    • Threat
      • DUALS(2)
    • Vars
      • R(c);CHECK::B(E)+S(D)
      • K(g);S_FLIGHT::S(D)
      • K(g);S_FLIGHT,XS(A)::B(E)+S(D),DCHECK
      • R(c);SBLOCK::B(E)+S(D)
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