MESON Chess Problem Database

Problem Display
PID: 74100 (3b2R1/5pQ1/4b3/3n1k2/1p5p/1NpP4/K1N2Pnr/1R6 w - - 0 1)

Buchwald, Julius

Prize, Schach Herold, 1936

3b2R1/5pQ1/4b3/3n1k2/1p5p/1NpP4/K1N2Pnr/1R6

#2

8 + 10

5759 Selected Compositions of Julius Buchwald 2005

SOLUTION

  • SOUND
  • Sets
    • 1...Ba5
      • 2.Qg5#
    • 1...Bg5
      • 2.Qxg5#
    • 1...Bb6
      • 2.Qg5#
    • 1...Bc7
      • 2.Qg5#
    • 1...Sgf4
      • 2.Scd4#
      • 2.Sbd4#
    • 1...Sdf4
      • 2.Sd4#
    • 1...Sf6
      • 2.Qg5#
    • 1...Se7
      • 2.Qg5#
  • Tries
    • 1.Qg4+?
      • 1...Kf6
        • 2.Qg5#
      • 1...Ke5!
  • Keys
    • 1.f4!
      • threat
        • 2.Qe5#
      • 1...Kxf4
        • 2.Rf1#
      • 1...Sgxf4
        • 2.Sd4#
      • 1...Sdxf4
        • 2.Sd4#
      • 1...Bg5
        • 2.Qxg5#
      • 1...Bf6
        • 2.Qg4#
      • 1...Bc7
        • 2.Qg5#
      • 1...Sf6
        • 2.Qg5#
      • 1...f6
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 3
  • Sets
    • B(j);N_GUARD::QAR1(G)
    • B(j);N_GUARD::QAR1(G),XB(j)
    • S(f);P_PINS(E),SBLOCK::S(C)
    • S(f);P_PINS(E),S_CUTB(j)::QAR1(G)
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • K(g);P-FLIGHT::QAB1(G)
      • Refutation
        • K(g);P-FLIGHT
  • Actual
    • P(D);
    • Threat
      • QAR1(G)
    • Vars
      • K(g);OGATEB,P-FLIGHT,XP(D)::R(A)
      • S(a);P_PINS(C),SBLOCK,XP(D)::S(E)
      • S(f);P_PINS(E),SBLOCK,XP(D)::S(C)
      • B(j);N_GUARD::QAR1(G),XB(j)
      • B(j);SBLOCK::QAB1(G)
      • B(j);N_GUARD::QAR1(G)
      • S(f);P_PINS(E),S_CUTB(j)::QAR1(G)
      • P(i);SBLOCK::QAB1(G)
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