MESON Chess Problem Database

Problem Display
PID: 152100 (K2B4/6p1/2P4r/pkrN1RQ1/2N5/R7/2p5/1q2bB2 w - - 0 1)

Eddy, Edwin John

Skakbladet, 1930

K2B4/6p1/2P4r/pkrN1RQ1/2N5/R7/2p5/1q2bB2

#2

9 + 8

35 L'Italia Scacchistica 1930

SOLUTION

  • SOUND
  • Sets
    • 1...Ka6
      • 2.Sc7#
    • 1...Rxc6
      • 2.Sd6#
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qb7#
      • 1...Ka6
        • 2.Sc7#
      • 1...Kxc6
        • 2.Qe8#
      • 1...Rxc4
        • 2.Sb4#
      • 1...Rxd5
        • 2.Sxa5#
      • 1...Rcxc6
        • 2.Sc7#
      • 1...Rhxc6
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(e);P_SPINP(d),S_FLIGHT::S(D)
    • R(g);SBLOCK,XP(G)::B(A)+S(C),DCHECK
  • Actual
    • Q(F);
    • Threat
      • QAR2(F)
    • Vars
      • K(e);P_SPINP(d),S_FLIGHT::S(D)
      • K(e);OGATEB,S_FLIGHT,XP(G)::QAB(F)
      • R(f);P_SPINR(f),XS(C)::R(E)+S(D)
      • R(f);N_GUARD,P_SPINR(f),XS(D)::B(A)+S(C),XP(d)
      • R(f);SBLOCK,XP(G)::R(E)+S(D),DCHECK
      • R(g);SBLOCK,XP(G)::B(A)+S(C),DCHECK
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