MESON Chess Problem Database

Problem Display
PID: 273344 (2K2B2/P7/rpk1rpQ1/RN1bpP2/2p1p3/2P1N3/8/8 w - - 0 1)

Hildebrand, Alexander

Springaren, 1990

2K2B2/P7/rpk1rpQ1/RN1bpP2/2p1p3/2P1N3/8/8

#2

9 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rxa7
      • 2.Sxa7#
    • 1...Re8+
      • 2.Qxe8#
  • Keys
    • 1.Qf7!
      • threat
        • 2.Qb7#
        • 2.Qc7#
        • 2.Qd7#
      • 1...Re8+
        • 2.Qxe8#
      • 1...Rxa5
        • 2.Qd7#
      • 1...Rxa7
        • 2.Sxa7#
      • 1...bxa5
        • 2.Qb7#
      • 1...Rd6
        • 2.Qc7#
      • 1...Re7
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(e);XP(G)::S(D),XR(e)
    • R(h);CHECK,N_GUARD,P_SPINP(i)::QAB(F),XR(h)
  • Actual
    • Q(F);
    • Threat
      • DUALS(3)
    • Vars
      • R(h);CHECK,N_GUARD::QAB(F),XR(h)
      • R(e);XR(C)::QAB1(F)
      • R(e);XP(G)::S(D),XR(e)
      • P(f);XR(C)::QAB1(F)
      • R(h);::QAR1(F)
      • R(h);OGATE::QAB1(F),XB(c)
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