MESON Chess Problem Database

Problem Display
PID: 65021 (5B2/K1p2r1B/2Q1N2b/3nk3/p7/r2n1R2/b2PN3/8 w - - 0 1)

Buchwald, Julius

American Chess Bulletin, 1945

5B2/K1p2r1B/2Q1N2b/3nk3/p7/r2n1R2/b2PN3/8

#2

8 + 9

5759 Selected Compositions of Julius Buchwald 2005

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.d4#
    • 1...Se1
      • 2.d4#
    • 1...Sb2
      • 2.d4#
    • 1...Sf2
      • 2.d4#
    • 1...S3b4
      • 2.d4#
    • 1...Sc5
      • 2.d4#
    • 1...Se3
      • 2.Qe4#
    • 1...S5b4
      • 2.Qe4#
    • 1...Sb6
      • 2.Qe4#
    • 1...Sf6
      • 2.Rf5#
  • Tries
    • 1.Bd6+?
      • 1...Kxe6
        • 2.Sd4#
      • 1...cxd6+!
    • 1.Rf5+?
      • 1...Ke4
        • 2.Sg3#
      • 1...Rxf5!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Qe6#
      • 1...Sxc5
        • 2.d4#
      • 1...Rf6
        • 2.Sd7#
      • 1...Re7
        • 2.Rf5#
      • 1...S3f4
        • 2.d4#
      • 1...Sc3
        • 2.Sxd3#
      • 1...Se3
        • 2.Qe4#
      • 1...S5b4
        • 2.Qe4#
      • 1...S5f4
        • 2.Re3#
      • 1...Sb6
        • 2.Qe4#
      • 1...Sf6
        • 2.Rf5#
      • 1...Se7
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 5
  • Sets
    • S(c);OGATE::P(A)
    • S(e);OGATE::QAR1(D)
    • S(e);S_CUTR(i)::R1(C)
  • Tries
    • Try
      • B(H);CHECK
      • Vars
        • K(f);P-FLIGHT,XS(E)::S(B)
      • Refutation
        • P(h);CHECK,XB(H)
    • Try
      • R(C);CHECK
      • Vars
        • K(f);P-FLIGHT,P_SPINS(e)::S(B)
      • Refutation
        • R(i);XR(C)
  • Actual
    • S(E);
    • Threat
      • QAR1(D)
    • Vars
      • S(c);OGATE,XS(E)::P(A)
      • R(i);N_GUARD::S(E)
      • R(i);N_GUARD::R1(C)
      • S(c);OGATE::P(A)
      • S(e);S_CUTR(b)::S(E),XS(c)
      • S(e);OGATE::QAR1(D)
      • S(e);N_GUARD,S_CUTB(g)::R(C)
      • S(e);S_CUTR(i)::R1(C)
      • S(e);S_CUTR(i)::S(E)
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