MESON Chess Problem Database

Problem Display
PID: 273027 (8/p5pB/PN6/1p1P1NP1/bP6/Bpk1P2p/6RK/3R4 w - - 0 1)

Froberg, Johan Hilding Laurentius

Hultberg, Gustav Herbert

Springaren, 1989

8/p5pB/PN6/1p1P1NP1/bP6/Bpk1P2p/6RK/3R4

#2

12 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Sd4?
      • threat
        • 2.Se2#
        • 2.Rc1#
        • 2.Rd3#
      • 1...hxg2
        • 2.Se2#
        • 2.Rd3#
      • 1...axb6
        • 2.Rc1#
      • 1...b2
        • 2.Rd3#
      • 1...g6!
    • 1.Sd6?
      • threat
        • 2.Se4#
        • 2.Rc1#
        • 2.Rd3#
      • 1...axb6
        • 2.Rc1#
        • 2.Rd3#
      • 1...b2
        • 2.Rd3#
      • 1...g6
        • 2.Se4#
      • 1...hxg2!
    • 1.Sxg7?
      • threat
        • 2.Rc1#
        • 2.Rd3#
      • 1...axb6
        • 2.Rc1#
      • 1...b2
        • 2.Rd3#
      • 1...hxg2!
    • 1.Sxa4+?
      • 1...Kc4
        • 2.Sd6#
        • 2.Rd4#
        • 2.Rg4#
      • 1...bxa4!
  • Keys
    • 1.Sg3!
      • threat
        • 2.Se2#
        • 2.Se4#
        • 2.Rc1#
        • 2.Rd3#
      • 1...hxg2
        • 2.Se2#
      • 1...axb6
        • 2.Rc1#
      • 1...b2
        • 2.Rd3#
      • 1...g6
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(H);
      • Threat
        • DUALS(3)
      • Vars
        • P(f);XS(K)::R(A)
        • P(a);::R1(A)
      • Refutation
        • P(g);
    • Try
      • S(H);
      • Threat
        • DUALS(3)
      • Vars
        • P(a);::R1(A)
        • P(g);::S(H)
      • Refutation
        • P(c);XR(B)
    • Try
      • S(H);XP(g)
      • Threat
        • DUALS(2)
      • Vars
        • P(f);XS(K)::R(A)
        • P(a);::R1(A)
      • Refutation
        • P(c);XR(B)
    • Try
      • S(K);CHECK,XB(d)
      • Refutation
        • P(e);XS(K)
  • Actual
    • S(H);
    • Threat
      • DUALS(4)
    • Vars
      • P(c);XR(B)::S(H)
      • P(f);XS(K)::R(A)
      • P(a);::R1(A)
      • P(g);::S(H)
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