MESON Chess Problem Database

Problem Display
PID: 257625 (B6q/b2R3p/3P4/3n4/1P1k1P2/1R1P1pQ1/1P1K1P2/8 w - - 0 1)

Gobat, Andre

Wiener Schachzeitung, 1935

B6q/b2R3p/3P4/3n4/1P1k1P2/1R1P1pQ1/1P1K1P2/8

#2

11 + 6

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Sc3
      • 2.bxc3#
    • 1...Se3
      • 2.fxe3#
    • 1...Sxf4
      • 2.Qxf4#
    • 1...Sc7
      • 2.dxc7#
    • 1...Se7
      • 2.dxe7#
  • Tries
    • 1.Qxf3?
      • threat
        • 2.Qe4#
        • 2.Qxd5#
      • 1...Qxa8
        • 2.Qe4#
      • 1...Sxb4
        • 2.Qe3#
      • 1...Sxf4
        • 2.Qe4#
        • 2.Qe3#
        • 2.Qxf4#
      • 1...Qe8
        • 2.Qxd5#
      • 1...Qg8
        • 2.Qe4#
      • 1...Sc3
        • 2.Qe3#
        • 2.bxc3#
      • 1...Se3
        • 2.Qe4#
        • 2.Qxe3#
        • 2.fxe3#
      • 1...Sb6
        • 2.Qe4#
        • 2.Qe3#
      • 1...Sf6
        • 2.Qe3#
      • 1...Sc7
        • 2.Qe4#
        • 2.Qe3#
        • 2.dxc7#
      • 1...Se7
        • 2.Qe4#
        • 2.Qe3#
        • 2.dxe7#
      • 1...Qe5!
  • Keys
    • 1.Qg5!
      • threat
        • 2.Qxd5#
      • 1...Qxa8
        • 2.Qe5#
      • 1...Sxb4
        • 2.Rxb4#
      • 1...Sxf4
        • 2.Qxf4#
      • 1...Qe5
        • 2.Qxe5#
      • 1...Qg8
        • 2.Qe5#
      • 1...Sc3
        • 2.bxc3#
      • 1...Se3
        • 2.fxe3#
      • 1...Sb6
        • 2.Qc5#
      • 1...Sf6
        • 2.Qe5#
      • 1...Sc7
        • 2.dxc7#
      • 1...Se7
        • 2.dxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(c);OGATE::P(A),XS(c)
    • S(c);OGATE::P(C),XS(c)
    • S(c);OGATE,XP(H)::QAR2(F),XS(c)
    • S(c);OGATE::R(J)+P(I),XS(c)
  • Tries
    • Try
      • Q(F);XP(a)
      • Threat
        • DUALS(2)
      • Vars
        • Q(f);XB(K)::QAR1(F)
        • S(c);N_GUARD,XP(G)::QAB1(F)
        • Q(f);::QAR1(F),XS(c)
        • Q(f);::QAR1(F)
        • S(c);N_GUARD::QAB1(F)
      • Refutation
        • Q(f);
  • Actual
    • Q(F);
    • Threat
      • QAR1(F),XS(c)
    • Vars
      • Q(f);N_GUARD,XB(K)::QAB1(F)
      • S(c);OGATE,XP(G)::R(D),XS(c)
      • S(c);OGATE,XP(H)::QAR2(F),XS(c)
      • Q(f);N_GUARD::QAB1(F),XQ(f)
      • Q(f);N_GUARD::QAB1(F)
      • S(c);OGATE::P(A),XS(c)
      • S(c);OGATE::P(C),XS(c)
      • S(c);OGATE::QAB1(F)
      • S(c);S_CUTQ(f)::QAB1(F)
      • S(c);OGATE::R(J)+P(I),XS(c)
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