MESON Chess Problem Database

Problem Display
PID: 145063 (1n3r2/1K2pP2/1QP1k3/2P5/p1NB2P1/4P3/B7/r7 w - - 0 1)

Ortmans, FH Joseph

Op de Hoogte, 1908

1n3r2/1K2pP2/1QP1k3/2P5/p1NB2P1/4P3/B7/r7

#2

10 + 6

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Rb1
      • 2.Sb2#
    • 1...Rd1
      • 2.Sb2#
      • 2.Sd2#
      • 2.Sa3#
      • 2.Sa5#
      • 2.Sd6#
    • 1...Re1
      • 2.Sb2#
      • 2.Sd2#
      • 2.Sa3#
      • 2.Sa5#
      • 2.Sd6#
    • 1...Rf1
      • 2.Sb2#
      • 2.Sd2#
      • 2.Sa3#
      • 2.Sa5#
      • 2.Sd6#
    • 1...Rg1
      • 2.Sb2#
      • 2.Sd2#
      • 2.Sa3#
      • 2.Sa5#
      • 2.Sd6#
    • 1...Rh1
      • 2.Sb2#
      • 2.Sd2#
      • 2.Sa3#
      • 2.Sa5#
      • 2.Sd6#
    • 1...Rg8
      • 2.fxg8Q#
      • 2.fxg8B#
  • Keys
    • 1.Qb1!
      • threat
        • 2.Qf5#
      • 1...Rxb1+
        • 2.Sb2#
      • 1...Kd5
        • 2.Sb6#
      • 1...Kxf7
        • 2.Sd6#
      • 1...Rxf7
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(a);N_GUARD,P_PINQ(G)::B(A)+S(C)
    • R(f);OGATE::PXR(f)=Q
  • Actual
    • Q(G);
    • Threat
      • QAB1(G)
    • Vars
      • R(a);CHECK,N_GUARD,XQ(G)::B(A)+S(C)
      • K(c);S_FLIGHT::B(A)+S(C),DCHECK
      • K(c);S_FLIGHT,XP(J)::B(A)+S(C),DCHECK
      • R(f);SBLOCK,XP(J)::QAR2(G)
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