MESON Chess Problem Database

Problem Display
PID: 213686 (1rR3B1/4B3/p1bNq1p1/1p5R/2pk4/1pN1p3/1K1PP3/1Q6 w - - 0 1)

Lindh, E

Suomen Shakki, 1954

1rR3B1/4B3/p1bNq1p1/1p5R/2pk4/1pN1p3/1K1PP3/1Q6

#2

10 + 10

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qh3
      • 2.Bf6#
    • 1...Qg4
      • 2.Bf6#
    • 1...Qd7
      • 2.Bf6#
    • 1...Qxc8
      • 2.Bf6#
    • 1...Qxg8
      • 2.Bf6#
    • 1...Qf6
      • 2.Bxf6#
  • Tries
    • 1.Sdxb5+?
      • 1...Bxb5
        • 2.Bc5#
      • 1...axb5
        • 2.Bc5#
      • 1...Rxb5!
  • Keys
    • 1.Sxc4!
      • threat
        • 2.Qd3#
      • 1...Kxc4
        • 2.Rh4#
        • 2.Qd3#
        • 2.Qe4#
      • 1...Qxc4
        • 2.Bf6#
      • 1...bxc4
        • 2.Bc5#
      • 1...Qf5
        • 2.dxe3#
      • 1...Qe4
        • 2.Bc5#
      • 1...Be4
        • 2.dxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 6
  • Sets
    • Q(h);N_GUARD::B(H)
    • Q(h);N_GUARD,XR(I)::B(H)
    • Q(h);N_GUARD,XB(J)::B(H)
    • Q(h);N_GUARD::B(H),XQ(h)
  • Tries
    • Try
      • S(G);CHECK,XP(e)
      • Vars
        • B(g);XS(G)::B(H)
        • P(f);XS(G)::B(H)
      • Refutation
        • R(j);XS(G)
  • Actual
    • S(G);XP(c)
    • Threat
      • QAR1(A)
    • Vars
      • Q(h);N_GUARD,XS(G)::B(H)
      • P(e);SBLOCK,XS(G)::B(H)
      • Q(h);N_GUARD::P(C),XP(b)
      • Q(h);::B(H)
      • B(g);S_CUTQ(h)::P(C),XP(b)
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Developed and maintained by Brian Stephenson.
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