MESON Chess Problem Database

Problem Display
PID: 9562 (7K/7Q/8/p7/3R4/8/p1N1N3/1k6 w - - 0 1)

Munck, Laurits Andreas

Skakbladet, 1905

7K/7Q/8/p7/3R4/8/p1N1N3/1k6

#2

5 + 3

1829 The Theory of Pawn Promotion 1912

SOLUTION

  • SOUND
  • Sets
    • 1...a4
      • 2.Rb4#
  • Keys
    • 1.Rd2!
      • threat
        • 2.Qb7#
      • 1...a1Q+
        • 2.Scd4#
      • 1...a1B+
        • 2.Scd4#
      • 1...Kb2
        • 2.Qb7#
      • 1...a1S
        • 2.Sa3#
      • 1...a1R
        • 2.Se1#
        • 2.Sa3#
        • 2.Se3#
        • 2.Sb4#
        • 2.Scd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • P(c);N_GUARD::R(C)
  • Actual
    • R(C);
    • Threat
      • QAR(D)
    • Vars
      • P(b);CHECK,SBLOCK::QAB(D)+S(A)
      • K(a);P-FLIGHT::QAR(D)
      • P(b);SBLOCK::QAB(D)+S(A),DCHECK
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