MESON Chess Problem Database

Problem Display
PID: 74101 (8/2Qp4/4rrN1/3kpB2/2b4R/p4n2/q1nPPK2/8 w - - 0 1)

Buchwald, Julius

Probleemblad, 1948

8/2Qp4/4rrN1/3kpB2/2b4R/p4n2/q1nPPK2/8

#2

7 + 10

5759 Selected Compositions of Julius Buchwald 2005

SOLUTION

  • SOUND
  • Sets
    • 1...Ra6
      • 2.Se7#
    • 1...Rb6
      • 2.Se7#
    • 1...Rd6
      • 2.Se7#
    • 1...Re7
      • 2.Sxe7#
    • 1...Scd4
      • 2.Be4#
      • 2.e4#
    • 1...Sfd4
      • 2.e4#
  • Tries
    • 1.Rd4+?
      • 1...Scxd4
        • 2.e4#
      • 1...Sfxd4
        • 2.e4#
      • 1...exd4
        • 2.Sf4#
      • 1...Kxd4!
  • Keys
    • 1.d4!
      • threat
        • 2.Qc5#
      • 1...Scxd4
        • 2.Be4#
      • 1...Sfxd4
        • 2.e4#
      • 1...exd4
        • 2.Sf4#
      • 1...Rc6
        • 2.Se7#
      • 1...d6
        • 2.Qb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • R(h);N_GUARD::S(F)
    • R(h);N_GUARD::S(F),XR(h)
    • S(d);P_PINB(E),SBLOCK::P(B)
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • S(b);SBLOCK,XR(D)::P(B)
        • S(d);P_PINB(E),SBLOCK,XR(D)::P(B)
        • P(g);SBLOCK,XR(D)::S(F)
      • Refutation
        • K(f);P-FLIGHT,XR(D)
  • Actual
    • P(A);
    • Threat
      • QAR1(G)
    • Vars
      • S(b);P_PINP(B),SBLOCK,XP(A)::B(E)
      • S(d);P_PINB(E),SBLOCK,XP(A)::P(B)
      • P(g);N_GUARD,SBLOCK,XP(A)::S(F)
      • R(h);N_GUARD::S(F)
      • P(j);SBLOCK,S_CUTR(h)::QAB(G)
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