MESON Chess Problem Database

Problem Display
PID: 245086 (8/8/3n4/4Q3/8/7R/pp6/k6K w - - 0 1)

Froberg, Johan Hilding Laurentius

Schackvarlden, 1942

8/8/3n4/4Q3/8/7R/pp6/k6K

#2

3 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rh2?
      • threat
        • 2.Qxb2#
      • 1...Kb1
        • 2.Qxb2#
        • 2.Qe1#
      • 1...Sc4!
    • 1.Rb3?
      • threat
        • 2.Qxb2#
      • 1...Kb1
        • 2.Qxb2#
      • 1...Sc4!
  • Keys
    • 1.Rc3!
      • threat
        • 2.Rc1#
      • 1...Kb1
        • 2.Qe1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Threat
        • QAB1(C),XP(c)
      • Refutation
        • S(d);
    • Try
      • R(B);
      • Threat
        • QAB1(C),XP(c)
      • Vars
        • K(a);P-FLIGHT::QAR1(C),XP(c)
      • Refutation
        • S(d);
  • Actual
    • R(B);N_PINP(c)
    • Threat
      • R(B)
    • Vars
      • K(a);P-FLIGHT::QAR(C)
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