MESON Chess Problem Database

Problem Display
PID: 249978 (2Q5/r3p2k/7p/4N1pp/p6P/3R4/K1R5/1B3nr1 w - - 0 1)

Widlert, Kjell Einar

Stella Polaris, 1969

2Q5/r3p2k/7p/4N1pp/p6P/3R4/K1R5/1B3nr1

#2

7 + 9

SOLUTION

  • SOUND
  • Tries
    • 1.Rf2?
      • threat
        • 2.Rf7#
      • 1...Kg7
        • 2.Rf7#
      • 1...gxh4
        • 2.Rg3#
      • 1...e6
        • 2.Rd7#
      • 1...Rg2!
  • Keys
    • 1.Rf3!
      • threat
        • 2.Rf7#
      • 1...Kg7
        • 2.Rf7#
      • 1...gxh4
        • 2.Rg2#
      • 1...e6
        • 2.Rc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Threat
        • R(C)
      • Vars
        • K(i);P-FLIGHT::R1(C)
        • P(d);XP(E)::B(A)+R(D)
        • P(h);::B(A)+R(D),DCHECK
      • Refutation
        • R(b);P_PINR(C)
  • Actual
    • R(D);
    • Threat
      • R(D)
    • Vars
      • K(i);P-FLIGHT::R1(D)
      • P(d);XP(E)::B(A)+R(C)
      • P(h);::B(A)+R(C),DCHECK
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