MESON Chess Problem Database

Problem Display
PID: 275166 (8/5n2/1Np5/1p3p2/3k2p1/p7/K1Q1R3/4Nn2 w - - 0 1)

Meurs, Abraham

The Problemist, 1934

8/5n2/1Np5/1p3p2/3k2p1/p7/K1Q1R3/4Nn2

#2

5 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...g3
      • 2.Sf3#
    • 1...b4
      • 2.Qc4#
    • 1...f4
      • 2.Re4#
    • 1...c5
      • 2.Qd3#
  • Keys
    • 1.Sd7!
      • threat
        • 2.Qd3#
        • 2.Qc5#
      • 1...Kd5
        • 2.Qd3#
        • 2.Qc5#
      • 1...Se3
        • 2.Rd2#
        • 2.Qd3#
      • 1...Se5
        • 2.Qc5#
      • 1...c5
        • 2.Qd3#
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • P(d);N_GUARD::S(A)
    • P(e);N_GUARD::QAR1(C)
    • P(f);N_GUARD::R1(D)
    • P(g);SBLOCK::QAR1(C)
  • Actual
    • S(E);
    • Threat
      • DUALS(2)
    • Vars
      • S(h);::QAB1(C)
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