MESON Chess Problem Database

Problem Display
PID: 19141 (8/2p5/2p1pp1K/2P1kP2/1pR1N3/1P4p1/6P1/5R2 w - - 0 1)

Valve, Leo Erland

1st Prize, Suomalainen Shakkikerho, 1932

8/2p5/2p1pp1K/2P1kP2/1pR1N3/1P4p1/6P1/5R2

#2

8 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Sc3?
      • threat
        • 2.Re4#
      • 1...exf5
        • 2.Re1#
      • 1...bxc3!
  • Keys
    • 1.Re1!
      • 1...Kf4
        • 2.Sd6#
      • 1...Kd5
        • 2.Sxf6#
      • 1...Kxf5
        • 2.Sxg3#
      • 1...exf5
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Threat
        • R1(D)
      • Vars
        • P(e);SBLOCK,XP(G)::R(A)
      • Refutation
        • P(b);XS(E)
  • Actual
    • R(A);
    • Vars
      • K(c);S_FLIGHT::R(D)+S(E)
      • K(c);P-FLIGHT::S(E),XP(f)
      • K(c);P-FLIGHT,XP(G)::S(E),XP(a)
      • P(e);SBLOCK,XP(G)::R(A)+S(E)
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