MESON Chess Problem Database

Problem Display
PID: 199289 (8/4NK2/R3P1P1/4k3/2p1p2R/2P1p3/8/8 w - - 0 1)

Groeneveld, Cornelis

Prins, Hendrik

Suomen Shakki, 1988

8/4NK2/R3P1P1/4k3/2p1p2R/2P1p3/8/8

#2

7 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Sd5?
      • threat
        • 2.Rh5#
      • 1...Kxd5
        • 2.Rh5#
      • 1...Kf5!
    • 1.Sf5?
      • threat
        • 2.Ra5#
      • 1...Kxf5
        • 2.Ra5#
      • 1...Kd5!
    • 1.Sg8?
      • 1...Kd5
        • 2.Rh5#
      • 1...Kf5
        • 2.Ra5#
      • 1...e2!
  • Keys
    • 1.Sc8!
      • threat
        • 2.Ra5#
      • 1...Kd5
        • 2.Rh5#
      • 1...Kf5
        • 2.Ra5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Threat
        • R(B)
      • Vars
        • K(d);P-FLIGHT,XS(F)::R(B)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • S(F);
      • Threat
        • R(C)
      • Vars
        • K(d);P-FLIGHT,XS(F)::R(C)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • S(F);
      • Vars
        • K(d);P-FLIGHT::R(B)
        • K(d);P-FLIGHT::R(C)
      • Refutation
        • P(a);
  • Actual
    • S(F);
    • Threat
      • R(C)
    • Vars
      • K(d);P-FLIGHT::R(B)
      • K(d);P-FLIGHT::R(C)
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