MESON Chess Problem Database

Problem Display
PID: 24113 (8/n1p5/K7/8/k7/4N3/1Q6/1n6 w - - 0 1)

Elmgren, Bertil Ernst

2nd HM., Springaren, 1953

8/n1p5/K7/8/k7/4N3/1Q6/1n6

#2

3 + 4

17145 Svenska Miniatyrer i urval (Froberg/Hultberg) 1978
2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Sc2?
      • threat
        • 2.Qb4#
      • 1...Sc6
        • 2.Qb5#
      • 1...c5!
    • 1.Sd5?
      • threat
        • 2.Qb4#
      • 1...c5
        • 2.Sb6#
      • 1...Sc6!
  • Keys
    • 1.Sc4!
      • 1...Sd2
        • 2.Qa3#
      • 1...Sa3
        • 2.Qxa3#
      • 1...Sc3
        • 2.Qa3#
      • 1...Sb5
        • 2.Qxb5#
      • 1...Sc6
        • 2.Qb5#
      • 1...Sc8
        • 2.Qb5#
      • 1...c5
        • 2.Sb6#
      • 1...c6
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • QAR1(A)
      • Vars
        • S(c);N_GUARD::QAB1(A)
      • Refutation
        • P(d);
    • Try
      • S(B);
      • Threat
        • QAR1(A)
      • Vars
        • P(d);N_GUARD::S(B)
      • Refutation
        • S(c);
  • Actual
    • S(B);
    • Vars
      • S(a);N_GUARD::QAR1(A)
      • S(a);N_GUARD::QAR1(A),XS(a)
      • S(c);N_GUARD::QAB1(A),XS(c)
      • S(c);N_GUARD::QAB1(A)
      • P(d);N_GUARD::S(B)
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