MESON Chess Problem Database

Problem Display
PID: 236503 (6nN/b4p1K/R2P1k1p/2p5/2Nr1P2/7B/1Q5p/5R2 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Rochade Europa, 2004

6nN/b4p1K/R2P1k1p/2p5/2Nr1P2/7B/1Q5p/5R2

#2

9 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sb6?
      • threat
        • 2.Sd5#
        • 2.Sd7#
      • 1...h1Q
        • 2.Sd7#
      • 1...h1B
        • 2.Sd7#
      • 1...Se7
        • 2.Sd7#
      • 1...Bxb6!
    • 1.Qb7?
      • threat
        • 2.Qxf7#
      • 1...Se7
        • 2.Qxe7#
      • 1...Rxf4!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sd7#
      • 1...Rxf4
        • 2.Sexf7#
      • 1...Rxd6
        • 2.Seg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::S(D)
        • S(h);::S(D)
      • Refutation
        • B(f);XS(D)
    • Try
      • Q(B);N_PINR(b)
      • Threat
        • QAR1(B),XP(g)
      • Vars
        • S(h);N_GUARD::QAB1(B),XS(h)
      • Refutation
        • R(b);P_SPINR(b),XP(E)
  • Actual
    • S(D);N_PINR(b)
    • Threat
      • S(D)
    • Vars
      • R(b);P_SPINR(b),XP(E)::QAB(B)+S(D),XP(g)
      • R(b);P_SPINR(b),XP(G)::QAB(B)+S(D)
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