MESON Chess Problem Database

Problem Display
PID: 162725 (Kn6/8/1pQp4/pNb3q1/Pk3r2/Rp4r1/1PbNpp2/2R5 w - - 0 1)

Buchner, Rudolf

Welt im Bild, 1938

(First published on Sun Mar 13 1938)

Kn6/8/1pQp4/pNb3q1/Pk3r2/Rp4r1/1PbNpp2/2R5

#2

8 + 13

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Rc3
      • 2.bxc3#
    • 1...Be4
      • 2.Rc4#
    • 1...Be3
      • 2.Qc3#
    • 1...Bd4
      • 2.Qc4#
  • Tries
    • 1.Sd4?
      • threat
        • 2.Qb5#
      • 1...Bxd4
        • 2.Qc4#
      • 1...Sxc6
        • 2.Sxc6#
      • 1...Bd3
        • 2.Rxb3#
      • 1...Be4
        • 2.Rc4#
      • 1...b5
        • 2.Qxb5#
      • 1...Qd5!
    • 1.Sa7?
      • threat
        • 2.Qb5#
      • 1...Sxc6
        • 2.Sxc6#
      • 1...Bd3
        • 2.Rxb3#
      • 1...Be4
        • 2.Rc4#
      • 1...Be3
        • 2.Qc3#
      • 1...Bd4
        • 2.Qc4#
      • 1...b5
        • 2.Qxb5#
      • 1...Qd5!
  • Keys
    • 1.Sc7!
      • threat
        • 2.Qb5#
      • 1...Sxc6
        • 2.Sa6#
      • 1...Qd5
        • 2.Sxd5#
      • 1...Bd3
        • 2.Rxb3#
      • 1...Be4
        • 2.Rc4#
      • 1...Be3
        • 2.Qc3#
      • 1...Bd4
        • 2.Qc4#
      • 1...b5
        • 2.Qxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • R(e);OGATE::P(B),XR(e)
    • B(a);OGATE,P_PINQ(G)::R1(A)
    • B(i);OGATE::QAB1(G)
    • B(i);OGATE::QAR1(G)
  • Tries
    • Try
      • S(F);
      • Threat
        • QAR1(G)
      • Vars
        • B(i);OGATE,XS(F)::QAR1(G)
        • S(m);XQ(G)::S(F),XS(m)
        • B(a);N_GUARD,S_CUTR(e)::R1(D),XP(d)
        • B(a);OGATE,P_PINQ(G)::R1(A)
        • P(k);::QAR1(G),XP(k)
      • Refutation
        • Q(j);P_PINQ(G)
    • Try
      • S(F);
      • Threat
        • QAR1(G)
      • Vars
        • S(m);XQ(G)::S(F),XS(m)
        • B(a);N_GUARD,S_CUTR(e)::R1(D),XP(d)
        • B(a);OGATE,P_PINQ(G)::R1(A)
        • B(i);OGATE::QAB1(G)
        • B(i);OGATE::QAR1(G)
        • P(k);::QAR1(G),XP(k)
      • Refutation
        • Q(j);P_PINQ(G)
  • Actual
    • S(F);
    • Threat
      • QAR1(G)
    • Vars
      • S(m);N_GUARD,XQ(G)::S(F)
      • Q(j);N_GUARD,P_PINQ(G)::S(F),XQ(j)
      • B(a);N_GUARD,S_CUTR(e)::R1(D),XP(d)
      • B(a);OGATE,P_PINQ(G)::R1(A)
      • B(i);OGATE::QAB1(G)
      • B(i);OGATE::QAR1(G)
      • P(k);::QAR1(G),XP(k)
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